[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.1"]
[White "Prraneeth Vuppala"]
[Black "Kamsky, Gata"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2149"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,28,37,32,30,14,13,-67,-68,-60,-11,-10,-5,-26,-15,-14,0,-18,0,0,0,0,23,0,0,-87,0,0,0,0,0,0,0,0,43,5,4,0,0,0,0,-7,-2,-6,0,0,0,0,-2,-12,0,0,0,-5,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 g6 (3... Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Rd1 Ba6 11. cxd5 cxd5 12. Ne5 Nxe5 13. dxe5 Ng4 14. h3 g5 15. Bxg5 Nxe5 16. Bxe7 Qxe7 17. e4 dxe4 18. Qxe4 {½-½ (32) Yu,Y (2751)-Ding,L (2809) Shenzhen 2019}) 4. Bg2 Bg7 5. Nf3 O-O 6. Nc3 {E00: Catalan Bogo-Indian (3 g3 Bb4+)} d5 7. Qd3 b6 $146 ({Predecessor:} 7... Nc6 8. O-O Nb4 9. Qd1 dxc4 10. Ne5 Ne8 11. Nxc4 Qxd4 {0-1 (39) Kozlov,D (2164)-Timofeev,A (2588) Kazan 2018}) 8. h4 ({Better is} 8. cxd5 $11 Ba6 9. Qc2 Nxd5 10. Bg5) 8... Ba6 $1 $15 9. b3 Nbd7 10. Ba3 c5 11. O-O Rc8 12. Nb5 Bxb5 13. cxb5 Ne4 14. Rac1 Re8 15. e3 Qf6 16. Bb2 Qf5 17. Rfd1 (17. Qe2 $11 {keeps the balance.}) 17... h6 (17... cxd4 $17 18. Bxd4 Bxd4 19. Qxd4 Ndf6) 18. Qe2 $11 g5 19. hxg5 hxg5 20. Nd2 Nxd2 21. Qxd2 Rc7 22. e4 dxe4 {The position is equal.} 23. Qe2 Nf6 24. dxc5 Rxc5 25. Bxf6 Rxc1 26. Rxc1 {[#] Hoping for Bxg7.} Qxf6 27. Rc7 Qa1+ 28. Kh2 Qb2 29. Qe3 Qd4 30. Qe2 Rd8 31. Bxe4 Qd2 32. Qf3 Rd7 33. Rc8+ Rd8 34. Rc7 Rd7 35. Rc8+ Rd8 $1 {[%cal Rd8c8]} 36. Rc7 {Accuracy: White = 58%, Black = 56%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.2"]
[White "Eljanov, Pavel"]
[Black "Biro, Sandor"]
[Result "1-0"]
[ECO "A51"]
[WhiteElo "2663"]
[BlackElo "2147"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,103,124,78,153,103,107,108,145,121,139,128,166,161,159,152,216,202,241,247,245,232,289,279,342,337,430,423,395,374,625,585,603,602,682,666,650,543,619,359,354,350,343,354,324,234,212,171,721,734,748,743]} 1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 Nc6 5. a3 a5 6. Bf4 {A51: Budapest Gambit, Fajarowicz Variation} f6 ({Black should play} 6... d6) 7. Qd5 Nc5 8. Nc3 {White is better.} Ne6 9. e3 $146 ({Predecessor:} 9. exf6 Qxf6 10. Bg3 d6 11. e3 g5 12. h4 g4 13. Nd2 h5 {1-0 (26) Matveeva,S (2405)-Stefanova,A (2360) Belgrade 1994}) 9... fxe5 10. Nxe5 Bd6 11. Nd3 Bxf4 12. Nxf4 {Threatens to win with Qh5+.} Nxf4 (12... Qf6 $16 13. Bd3 O-O) 13. exf4 $18 Ne7 14. Qh5+ g6 15. Qe5 O-O 16. c5 h6 17. O-O-O Rf5 18. Bc4+ Kh7 19. Qe3 b6 $2 {[#]} (19... Qf8 20. Rhe1 Nc6) 20. Rhe1 Nc6 21. Nd5 {[%cal Bc3d5,Bd5e7,Be7c6,Bc6d4][%mdl 32]} bxc5 22. g4 Rf8 {If Black can now play ...d6 this consolidates a bit.} 23. Qxc5 Ba6 24. Ne7 Bxc4 25. Nxc6 {[%mdl 64] [#] Pin} Qf6 26. Rxd7+ ({Don't do} 26. Qxc4 Qxc6 27. Qxc6 dxc6 $18) 26... Rf7 27. Ree7 Qxf4+ 28. Kb1 {And now Ne5! would win.} Bb3 $2 (28... Re8) 29. Nd4 Rxe7 30. Qxe7+ {Accuracy: White = 64%, Black = 33%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.3"]
[White "Minko, Dmitry"]
[Black "Demchenko, Anton"]
[Result "0-1"]
[ECO "B66"]
[WhiteElo "2143"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,91,7,14,-32,0,0,0,0,0,0,0,8,74,26,32,31,36,33,23,45,31,37,35,47,34,29,31,20,81,20,33,0,22,0,0,-36,0,0,94,86,70,-526,-454,-441,-398,-508,-448,-858,-807,-1604,-1560,-1428,-1351,-1664,-1535,-1426,-920,-1111,-963,-2899,-2647,-12839,-12840,-29984,-29985,-29984,-29985,-29993]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Be7 9. f3 Nxd4 10. Qxd4 Qc7 ({Predecessor:} 10... b5 11. Kb1 Bb7 12. h4 Rc8 13. Qd2 Qc7 14. Bd3 O-O {0-1 (30) Escandell Mari,J (2273)-Aloma Vidal,R (2431) Catalunya 2012}) 11. Kb1 b5 12. g4 O-O 13. h4 Bb7 14. Qd2 {B63: Sicilian: Richter-Rauzer: 7...Be7 and unusual Black 7th moves} Rac8 (14... Rfc8 $5 {[%cal Rb5b4]}) 15. Bd3 b4 $146 (15... Rfd8 16. Ne2 b4 17. Nd4 a5 18. Qe1 e5 19. Nf5 d5 20. h5 dxe4 21. fxe4 h6 {0-1 (53) Quesada Perez,Y (2596)-Delgado Ramirez,N (2572) Havana 2009}) 16. Ne2 {The position is equal.} d5 {[%cal Rd5e4]} 17. e5 $1 {[%cal Re5f6]} Ne4 $1 {[%cal Re4d2]} 18. Qe1 $1 ({Of course not} 18. fxe4 dxe4 19. Bxe7 exd3 $17) 18... Rfe8 ({But not} 18... Nxg5 $6 19. hxg5 h6 20. gxh6 $16) (18... Nc5 $11) 19. Nd4 ({Inferior is} 19. fxe4 dxe4 20. Rf1 exd3 $17) 19... Bc5 20. Be3 Qxe5 21. fxe4 {Strongly threatening Nf3.} Bxd4 22. Bxd4 Qxd4 {[#]} 23. Bb5 $1 {[%mdl 512]} Qxe4 (23... axb5 24. Rxd4) 24. Qxe4 dxe4 25. Bxe8 Rxe8 $14 {[%mdl 4096] Endgame KRR-KRB} 26. Rd7 Bc6 (26... Bc8 $11 {remains equal.} 27. Rc7 f5) 27. Rd6 ({White should try} 27. Rc7 $16 Bd5 28. g5) 27... Rc8 $11 28. Rhd1 {And now Rd8+ would win.} Kf8 (28... Bd5 {feels hotter.} 29. Re1 a5 30. Kc1 Bxa2 31. Rxe4 h6) 29. Rd8+ (29. R6d4 $11) 29... Rxd8 $15 30. Rxd8+ $11 {KR-KB} Ke7 31. Rg8 g6 {[#]} (31... e3 $11 {keeps the balance.} 32. Kc1 Kf6) 32. g5 $1 $16 {[%mdl 1024] White has strong compensation.} f5 33. Rg7+ $2 {[%mdl 8192]} (33. gxf6+ $1 $14 Kxf6 34. Kc1) 33... Kf8 34. Rc7 Bb5 35. Kc1 f4 36. c4 (36. Rc8+ $142 Ke7 37. Rc7+ Ke8 38. Rc8+ Kd7 39. Rf8) 36... bxc3 $1 $19 37. a4 cxb2+ 38. Kxb2 Be2 39. Kc3 e3 40. Kd4 Bd1 {...e2 is the strong threat.} 41. Kd3 Bxa4 42. Ke2 e5 43. h5 e4 44. Rxh7 Bb5+ 45. Kd1 f3 46. Ke1 {Accuracy: White = 30%, Black = 58%.} f2+ 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.4"]
[White "Sethuraman, S.P."]
[Black "Andersen, Jens Knud"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2624"]
[BlackElo "2142"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,57,38,29,30,20,13,0,6,-4,52,41,53,59,169,171,163,170,177,172,166,163,196,186,190,195,175,169,198,187,185,183,300,288,397,291,291,295,283,281,363,364,347,283,290,291,272,275]} 1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 g6 5. h3 Bg7 6. Be3 O-O 7. d5 Nb8 {B08: Pirc Defence: Classical System} 8. Be2 (8. Bc4 a6 9. a4 e6 10. dxe6 Bxe6 11. Bxe6 fxe6 12. e5 dxe5 13. Qxd8 Rxd8 {1-0 (53) Svidler,P (2737)-Zubov,A (2597) St Petersburg 2018}) 8... c6 9. a4 b6 $146 {The position is equal.} ({Predecessor:} 9... cxd5 10. exd5 b6 11. O-O Bb7 12. Re1 Na6 13. Bxa6 Bxa6 14. Nb5 Qd7 15. c4 Bxb5 16. axb5 {1-0 (50) Pourramezanali,A (2496)-Mammadova,G (2350) Nakhchivan 2019}) 10. Nd4 Bb7 ({Black should play} 10... cxd5 $11 11. exd5 Bb7) 11. a5 $1 $14 bxa5 {[%cal Rc6d5]} 12. Nb3 $1 $36 {[%mdl 2048] White has some pressure.} Nxe4 (12... a4 $14 13. Rxa4 cxd5) 13. Nxe4 $18 cxd5 {[#]} 14. Nc3 $1 Nc6 15. O-O ({Resist} 15. Qxd5 $6 Nd4 $14) 15... e6 16. Qd2 Re8 17. Bb5 Qc7 18. Bxc6 Bxc6 19. Nxa5 Bd7 20. Bd4 f6 21. Ra2 Rac8 (21... Qb8 {was called for.} 22. Be3 f5) 22. Nb3 e5 23. Nxd5 Qxc2 24. Qxc2 Rxc2 25. Bc3 ({Much less strong is} 25. Bxa7 Be6 $16) 25... Be6 26. Ra5 Rb8 27. Na1 {White has a decisive advantage.} Re2 28. Rd1 Rb7 29. Ne3 {Accuracy: White = 82%, Black = 51%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.5"]
[White "Ramaraju, N."]
[Black "Gareyev, Timur"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2139"]
[BlackElo "2591"]
[Annotator "ChessBase"]
[PlyCount "44"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:02:56]} e5 {[%emt 0:03:40]} 2. Nc3 {[%emt 0:00:32]} Bb4 {[%emt 0:00:06]} 3. Nd5 {[%emt 0:02:47]} a5 {[%emt 0:00:02]} 4. a3 {[%emt 0:02:48]} Bc5 {[%emt 0:00:42]} 5. e3 {[%emt 0:00:36]} d6 {[%emt 0:00:34]} 6. d4 {[%emt 0:03:18]} Ba7 {[%emt 0:00:02]} 7. dxe5 {[%emt 0:01:05]} dxe5 {[%emt 0:00:03]} 8. Nf3 {[%emt 0:00:27]} e4 {[%emt 0:01:23]} 9. Nd2 {[%emt 0:03:43]} Bf5 {[%emt 0:02:55]} 10. Qc2 {[%emt 0:03:32]} Nf6 {[%emt 0:05:01]} 11. Nc3 {[%emt 0:06:02]} O-O {[%emt 0:02:47]} 12. Be2 {[%emt 0:00:21]} Nbd7 {[%emt 0:00:57]} 13. O-O {[%emt 0:01:42]} Ne5 {[%emt 0:01:16]} 14. Rd1 {[%emt 0:02:29]} Qe7 {[%emt 0:00:34]} 15. Ndxe4 {[%emt 0:14:03]} Nxe4 {[%emt 0:00:35]} 16. Nxe4 {[%emt 0:00:03]} Rad8 {[%emt 0:01:14]} 17. Re1 {[%emt 0:06:14]} Qh4 {[%emt 0:00:33]} 18. Bf3 {[%emt 0:01:21]} Rfe8 {[%emt 0:00:03]} 19. Qe2 {[%emt 0:21:47]} Bxe4 {[%emt 0:00:45]} 20. Bxe4 {[%emt 0:00:23]} Qxe4 {[%emt 0:00:02]} 21. b3 {[%emt 0:00:42]} Nd3 {[%emt 0:00:02]} 22. Rd1 {[%emt 0:00:10]} Nf4 {[%emt 0:00:02]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.6"]
[White "Azarov, Sergei"]
[Black "Huenerfauth, Uwe"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2586"]
[BlackElo "2138"]
[Annotator "ChessBase"]
[PlyCount "53"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} Nge7 {[%emt 0:00:03]} 4. c3 {[%emt 0:01:31]} g6 {[%emt 0:00:19]} 5. d4 {[%emt 0:00:23]} exd4 {[%emt 0:00:29]} 6. cxd4 {[%emt 0:00:25]} d5 {[%emt 0:00:14]} 7. Bxc6+ {[%emt 0:08:20]} bxc6 {[%emt 0:02:34]} 8. e5 {[%emt 0:00:10]} Bg7 {[%emt 0:04:32]} 9. O-O {[%emt 0:01:12]} O-O {[%emt 0:05:11]} 10. h3 {[%emt 0:01:28]} Rb8 {[%emt 0:10:21]} 11. b3 {[%emt 0:04:29]} f6 {[%emt 0:18:56]} 12. Nc3 {[%emt 0:03:06]} fxe5 {[%emt 0:09:29]} 13. Nxe5 {[%emt 0:01:59]} Qd6 {[%emt 0:03:44]} 14. Na4 {[%emt 0:04:30]} Rb4 {[%emt 0:16:23]} 15. Ba3 {[%emt 0:07:41]} Rxd4 {[%emt 0:02:11]} 16. Qxd4 {[%emt 0:16:22]} Qxa3 {[%emt 0:02:36]} 17. f4 {[%emt 0:00:14]} Nf5 {[%emt 0:03:28]} 18. Qd3 {[%emt 0:03:13]} Qd6 {[%emt 0:01:27]} 19. Rac1 {[%emt 0:00:22]} Ne7 {[%emt 0:01:08]} 20. Qc2 {[%emt 0:01:39]} Bf5 {[%emt 0:04:15]} 21. Qc5 {[%emt 0:01:13]} Bxe5 {[%emt 0:02:18]} 22. fxe5 {[%emt 0:02:48]} Qxe5 {[%emt 0:00:10]} 23. Rce1 {[%emt 0:01:41]} Be4 {[%emt 0:00:19]} 24. Rxf8+ {[%emt 0:00:58]} Kxf8 {[%emt 0:00:02]} 25. Nc3 {[%emt 0:01:04]} Qg3 {[%emt 0:02:25]} 26. Re2 {[%emt 0:00:27]} Qd3 {[%emt 0:04:06]} 27. Re3 {[%emt 0:01:36]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.7"]
[White "Babar, Michael"]
[Black "Santos Latasa, Jaime"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2137"]
[BlackElo "2580"]
[Annotator "ChessBase"]
[PlyCount "66"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:17]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:56]} Nf6 {[%emt 0:00:48]} 4. Bxc6 {[%emt 0:01:31]} dxc6 {[%emt 0:00:10]} 5. Qe2 {[%emt 0:00:22]} g6 {[%emt 0:01:15]} 6. O-O {[%emt 0:00:40]} Bg7 {[%emt 0:00:05]} 7. d3 {[%emt 0:02:00]} Nd7 {[%emt 0:00:48]} 8. Nbd2 {[%emt 0:01:12]} e5 {[%emt 0:03:10]} 9. Nc4 {[%emt 0:07:21]} Qe7 {[%emt 0:03:26]} 10. a4 {[%emt 0:00:21]} Nf8 {[%emt 0:04:17]} 11. c3 {[%emt 0:12:17]} Bg4 {[%emt 0:03:28]} 12. h3 {[%emt 0:04:26]} Bxf3 {[%emt 0:00:06]} 13. Qxf3 {[%emt 0:00:02]} Ne6 {[%emt 0:00:09]} 14. Be3 {[%emt 0:15:52]} O-O {[%emt 0:00:45]} 15. Qg3 {[%emt 0:04:02]} Qc7 {[%emt 0:01:34]} 16. f4 {[%emt 0:04:43]} exf4 {[%emt 0:00:12]} 17. Bxf4 {[%emt 0:00:02]} Nxf4 {[%emt 0:00:10]} 18. Qxf4 {[%emt 0:00:06]} Qxf4 {[%emt 0:00:20]} 19. Rxf4 {[%emt 0:00:02]} Rad8 {[%emt 0:00:29]} 20. Rf3 {[%emt 0:00:27]} Rd7 {[%emt 0:00:27]} 21. Kf2 {[%emt 0:00:45]} b6 {[%emt 0:00:41]} 22. g4 {[%emt 0:02:18]} Re8 {[%emt 0:00:36]} 23. Ke2 {[%emt 0:03:28]} Re6 {[%emt 0:03:07]} 24. Ne3 {[%emt 0:19:32]} Bf6 {[%emt 0:01:45]} 25. Nc4 {[%emt 0:01:01]} Bg5 {[%emt 0:00:43]} 26. Ne3 {[%emt 0:01:27]} Kg7 {[%emt 0:00:35]} 27. Nc4 {[%emt 0:00:10]} b5 {[%emt 0:00:34]} 28. axb5 {[%emt 0:01:58]} cxb5 {[%emt 0:00:33]} 29. Ne3 {[%emt 0:02:42]} c4 {[%emt 0:00:50]} 30. Rd1 {[%emt 0:00:50]} cxd3+ {[%emt 0:00:40]} 31. Rxd3 {[%emt 0:00:13]} Rde7 {[%emt 0:00:05]} 32. Rd5 {[%emt 0:00:57]} h6 {[%emt 0:00:14]} 33. Kd3 {[%emt 0:10:10]} Rxe4 {[%emt 0:00:32] Kd4} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.8"]
[White "Peralta, Fernando"]
[Black "Viebahn, Dirk"]
[Result "1-0"]
[ECO "D86"]
[WhiteElo "2569"]
[BlackElo "2137"]
[Annotator "RC"]
[PlyCount "61"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:09]} 4. cxd5 {[%emt 0:00:16]} Nxd5 {[%emt 0:00:10]} 5. e4 {[%emt 0:00:04]} Nxc3 {[%emt 0:00:13]} 6. bxc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:13]} 7. Bc4 {[%emt 0:00:13]} c5 {[%emt 0:00:26]} 8. Ne2 {[%emt 0:00:05]} Nc6 {[%emt 0:01:51]} 9. Be3 {[%emt 0:00:11]} O-O {[%emt 0:00:35]} 10. O-O {[%emt 0:00:06]} Bg4 {[%emt 0:03:41]} 11. f3 {[%emt 0:00:12]} Bd7 {[%emt 0:00:41]} 12. Rb1 {[%emt 0:00:18]} Na5 {[%emt 0:05:45]} 13. Bd3 {[%emt 0:00:14]} cxd4 {[%emt 0:01:35]} 14. cxd4 {[%emt 0:00:07]} a6 {[%emt 0:03:15]} 15. d5 {[%emt 0:04:24]} b5 {[%emt 0:00:54]} 16. Qd2 {[%emt 0:00:24]} Rc8 {[%emt 0:06:16]} 17. Rfc1 {[%emt 0:01:56]} f5 {[%emt 0:06:27]} 18. Rxc8 {[%emt 0:14:11]} Bxc8 {[%emt 0:00:13]} 19. a4 {[%emt 0:01:02]} fxe4 {[%emt 0:02:53]} 20. fxe4 {[%emt 0:00:07]} Bd7 {[%emt 0:09:43]} 21. axb5 {[%emt 0:05:17]} axb5 {[%emt 0:01:23]} 22. Qa2 {[%emt 0:12:46]} Nb7 {[%emt 0:14:11]} 23. Nd4 {[%emt 0:07:51]} Nd6 {[%emt 0:10:16]} 24. Nc6 {[%emt 0:00:53]} Bxc6 {[%emt 0:08:26]} 25. dxc6+ {[%emt 0:00:09]} Kh8 {[%emt 0:00:13]} 26. Qd5 {[%emt 0:13:20]} Qa5 {[%emt 0:12:47]} 27. e5 {[%emt 0:05:46]} Nf5 {[%emt 0:06:58]} 28. Bxf5 {[%emt 0:18:32]} Rxf5 {[%emt 0:01:49]} 29. Qxb5 {[%emt 0:04:47]} Qc3 {[%emt 0:02:24]} 30. Qc5 {[%emt 0:00:32]} Qxc5 {[%emt 0:00:58]} 31. Rb8+ {[%emt 0:00:15]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.9"]
[White "Tillmann, Markus"]
[Black "Idani, Pouya"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2136"]
[BlackElo "2568"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:03:39]} c5 {[%emt 0:00:00]} 2. g3 {[%emt 0:01:04]} g6 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:08]} Bg7 {[%emt 0:00:01]} 4. Nc3 {[%emt 0:00:32]} Nc6 {[%emt 0:00:11]} 5. O-O {[%emt 0:01:01]} d6 {[%emt 0:03:11]} 6. e4 {[%emt 0:03:10]} e5 {[%emt 0:00:23]} 7. Nd5 {[%emt 0:01:19]} Nge7 {[%emt 0:00:23]} 8. Nxe7 {[%emt 0:03:57]} Qxe7 {[%emt 0:00:42]} 9. d3 {[%emt 0:00:47]} O-O {[%emt 0:00:16]} 10. c3 {[%emt 0:02:42]} f5 {[%emt 0:00:28]} 11. exf5 {[%emt 0:02:06]} gxf5 {[%emt 0:03:58]} 12. Ng5 {[%emt 0:04:23]} Qe8 {[%emt 0:07:58]} 13. Bd5+ {[%emt 0:04:24]} Kh8 {[%emt 0:00:05]} 14. f4 {[%emt 0:00:36]} h6 {[%emt 0:01:20]} 15. Nf3 {[%emt 0:02:58]} Ne7 {[%emt 0:02:46]} 16. Qb3 {[%emt 0:06:29]} Bd7 {[%emt 0:07:42]} 17. a4 {[%emt 0:06:36]} Nxd5 {[%emt 0:11:04]} 18. Qxd5 {[%emt 0:00:06]} e4 {[%emt 0:05:54]} 19. Nh4 {[%emt 0:06:05]} Bc6 {[%emt 0:09:21]} 20. Qxd6 {[%emt 0:10:38]} Bf6 {[%emt 0:03:56]} 21. Ng2 {[%emt 0:03:26]} Rd8 {[%emt 0:00:33]} 22. Qxc5 {[%emt 0:00:34]} exd3 {[%emt 0:00:07]} 23. Qe3 {[%emt 0:07:23]} Qd7 {[%emt 0:00:52]} 24. Bd2 {[%emt 0:05:18]} Rfe8 {[%emt 0:00:29]} 25. Qxa7 {[%emt 0:00:15]} Qd5 {[%emt 0:00:18]} 26. Rf2 {[%emt 0:01:16]} Re2 {[%emt 0:00:05]} 27. Qb6 {[%emt 0:17:23]} Rde8 {[%emt 0:01:32]} 28. Rd1 {[%emt 0:01:23]} Rxf2 {[%emt 0:00:32]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.10"]
[White "Bernadskiy, Vitaliy"]
[Black "Gschwendtner, Klaus"]
[Result "1-0"]
[ECO "C71"]
[WhiteElo "2554"]
[BlackElo "2133"]
[Annotator "ChessBase"]
[PlyCount "93"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:06:13]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:31]} a6 {[%emt 0:00:28]} 4. Ba4 {[%emt 0:00:10]} d6 {[%emt 0:00:21]} 5. d4 {[%emt 0:01:15]} b5 {[%emt 0:01:12]} 6. Bb3 {[%emt 0:00:08]} Nxd4 {[%emt 0:02:11]} 7. Nxd4 {[%emt 0:00:45]} exd4 {[%emt 0:00:02]} 8. c3 {[%emt 0:01:02]} dxc3 {[%emt 0:04:48]} 9. Nxc3 {[%emt 0:07:18]} Nf6 {[%emt 0:01:06]} 10. e5 {[%emt 0:05:35]} dxe5 {[%emt 0:03:50]} 11. Bxf7+ {[%emt 0:02:29]} Ke7 {[%emt 0:00:31]} 12. Qxd8+ {[%emt 0:00:13]} Kxd8 {[%emt 0:00:02]} 13. Bg5 {[%emt 0:00:06]} Bb7 {[%emt 0:04:27]} 14. O-O-O+ {[%emt 0:01:07]} Bd6 {[%emt 0:03:09]} 15. Rhe1 {[%emt 0:05:46]} Rf8 {[%emt 0:09:03]} 16. Bb3 {[%emt 0:01:15]} Bxg2 {[%emt 0:08:06]} 17. f4 {[%emt 0:01:37]} exf4 {[%emt 0:05:30]} 18. Bxf4 {[%emt 0:00:04]} Ne8 {[%emt 0:01:11]} 19. Bg5+ {[%emt 0:04:05]} Nf6 {[%emt 0:02:44]} 20. Rg1 {[%emt 0:01:28]} Bc6 {[%emt 0:04:34]} 21. Bh4 {[%emt 0:04:00]} Kc8 {[%emt 0:05:18]} 22. Rxg7 {[%emt 0:00:22]} Bxh2 {[%emt 0:02:26]} 23. Bf7 {[%emt 0:01:25]} Bf4+ {[%emt 0:05:54]} 24. Kc2 {[%emt 0:00:56]} Ne4 {[%emt 0:01:47]} 25. Nd5 {[%emt 0:04:19]} Bd6 {[%emt 0:09:23]} 26. Be7 {[%emt 0:02:21]} Rh8 {[%emt 0:04:59]} 27. Re1 {[%emt 0:02:36]} Nc5 {[%emt 0:10:45]} 28. Bxd6 {[%emt 0:00:32]} cxd6 {[%emt 0:00:07]} 29. Nb6+ {[%emt 0:02:58]} Kb8 {[%emt 0:00:37]} 30. Re7 {[%emt 0:00:34]} Ra7 {[%emt 0:01:08]} 31. Rxa7 {[%emt 0:00:31]} Kxa7 {[%emt 0:00:01]} 32. Nd5 {[%emt 0:00:04]} Rb8 {[%emt 0:03:59]} 33. Ne7 {[%emt 0:02:09]} Be4+ {[%emt 0:00:22]} 34. Kc3 {[%emt 0:00:01]} Rb7 {[%emt 0:00:11]} 35. Nc8+ {[%emt 0:00:06]} Kb8 {[%emt 0:00:47]} 36. Nxd6 {[%emt 0:00:05]} Rd7 {[%emt 0:01:44]} 37. b4 {[%emt 0:05:32]} Na4+ {[%emt 0:01:10]} 38. Kd4 {[%emt 0:00:06]} Rxd6+ {[%emt 0:00:16]} 39. Kxe4 {[%emt 0:00:07]} Rh6 {[%emt 0:01:07]} 40. Ke5 {[%emt 0:02:36]} Nb6 {[%emt 0:01:02]} 41. Kd4 {[%emt 0:30:36]} Rh4+ {[%emt 0:32:59]} 42. Kc5 {[%emt 0:00:11]} Nd7+ {[%emt 0:00:00]} 43. Kd6 {[%emt 0:00:00]} Rd4+ {[%emt 0:00:00]} 44. Ke7 {[%emt 0:00:00]} Kc7 {[%emt 0:00:00]} 45. Be6 {[%emt 0:00:00]} Re4 {[%emt 0:00:00]} 46. Rxh7 {[%emt 0:00:00]} Rxe6+ {[%emt 0:00:00]} 47. Kxe6 {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.11"]
[White "Kannenberg, Karl-Heinz"]
[Black "Mons, Leon"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2133"]
[BlackElo "2552"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,4,9,8,0,6,10,0,2,-1,0,-11,0,0,15,-18,0,-35,-30,-25,-21,-30,-25,-43,-31,-31,-25,-27,-27,-43,-27,-34,-29,-41,-14,-14,-14,-22,-12,-14,0,-29,-13,-20,-16,-22,-20,-35,0,0,0,-39,-35,-75,-56,-126,-129,-158,-157,-259,-214,-469,-181,-468,-476,-648,-429,-6295,-5473]} 1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. b3 b6 6. O-O {D05: Colle System with ...e6} Bd6 (6... Bb7 7. Bb2 Bd6 8. Nbd2 O-O 9. Qe2 Nbd7 10. c4 cxd4 11. exd4 Re8 12. Ne5 Bf8 13. Rad1 Rc8 14. Rfe1 Rc7 15. Qe3 dxc4 16. bxc4 g6 17. Ndf3 Bg7 18. Ng5 Nxe5 19. dxe5 {½-½ (78) Mamedyarov,S (2800)-So,W (2812) Paris 2017}) 7. Bb2 O-O 8. Qe2 {The position is equal.} Nc6 9. a3 Bb7 10. Nbd2 Rc8 11. Ne5 Qc7 {[%cal Rc6e5]} 12. Nxc6 $146 ({Predecessor:} 12. f4 Ne7 13. Rac1 Ne4 14. Bxe4 dxe4 15. Nec4 cxd4 16. Nxd6 Qxd6 17. exd4 {½-½ (42) Mungunkhuu,M (2205)-Gunbayar,M (2311) Ulaanbaatar 2010}) 12... Bxc6 13. dxc5 Bxh2+ 14. Kh1 {[#] Threatens to win with cxb6.} Be5 15. cxb6 axb6 16. Bd4 Nd7 17. f4 Bf6 18. Nf3 Bxd4 19. Nxd4 Nc5 20. a4 Bd7 21. Rad1 e5 22. fxe5 Qxe5 23. Qf3 f6 24. Bf5 Rcd8 25. Kg1 Rfe8 26. Rfe1 Bxf5 27. Qxf5 Qc7 28. Nb5 Qf7 (28... Qc6 {is interesting.} 29. Qg4 Kh8 30. Qe2 Re5 31. Nd4 Qc8) 29. Nc3 {[%cal Rc3d5]} Re5 30. Qf4 Ne6 31. Qb4 Qc7 $36 {[%mdl 2048] White is under pressure.} 32. Re2 ({Better is} 32. Ne2 $15) 32... Rh5 $17 33. Qg4 Qh2+ 34. Kf1 (34. Kf2 $17 Qe5 35. e4) 34... Qe5 35. Rd3 $2 (35. Kg1) 35... Rh1+ $19 36. Kf2 f5 {Black is clearly winning.} 37. Qf3 {[%cal Rd3d5]} Nc5 {[#] And now ...Ne4+ would win.} 38. Rxd5 (38. g3 $142 Nxd3+ 39. cxd3) 38... Rxd5 {Accuracy: White = 47%, Black = 72%.} ({Weaker is} 38... Qxd5 39. Nxd5 Ne4+ 40. Qxe4 $11) 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.12"]
[White "Shevchenko, Kirill"]
[Black "Smits, Mark"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2542"]
[BlackElo "2132"]
[Annotator "RC"]
[PlyCount "99"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:37]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:27]} Nge7 {[%emt 0:00:14]} 4. c3 {[%emt 0:05:41]} d6 {[%emt 0:00:38]} 5. d4 {[%emt 0:01:00]} Bd7 {[%emt 0:00:06]} 6. O-O {[%emt 0:02:01]} Ng6 {[%emt 0:00:13]} 7. Be3 {[%emt 0:03:21]} Be7 {[%emt 0:00:14]} 8. Nbd2 {[%emt 0:02:08]} O-O {[%emt 0:00:13]} 9. Ba4 {[%emt 0:03:56]} Qe8 {[%emt 0:03:32]} 10. Kh1 {[%emt 0:06:29]} Nd8 {[%emt 0:05:48]} 11. Bxd7 {[%emt 0:07:00]} Qxd7 {[%emt 0:00:06]} 12. Qb3 {[%emt 0:00:04]} exd4 {[%emt 0:08:14]} 13. cxd4 {[%emt 0:04:53]} Kh8 {[%emt 0:05:01]} 14. d5 {[%emt 0:04:01]} c5 {[%emt 0:04:25]} 15. dxc6 {[%emt 0:02:43]} bxc6 {[%emt 0:00:17]} 16. Rac1 {[%emt 0:06:11]} f5 {[%emt 0:03:26]} 17. exf5 {[%emt 0:04:00]} Rxf5 {[%emt 0:01:07]} 18. Nd4 {[%emt 0:07:01]} Rf8 {[%emt 0:08:30]} 19. Rfd1 {[%emt 0:07:28]} d5 {[%emt 0:13:37]} 20. Ne2 {[%emt 0:06:05]} Bd6 {[%emt 0:06:34]} 21. Qc2 {[%emt 0:05:35]} Qg4 {[%emt 0:07:17]} 22. Ng3 {[%emt 0:05:00]} c5 {[%emt 0:14:17]} 23. Bxc5 {[%emt 0:05:15]} Rc8 {[%emt 0:00:16]} 24. b4 {[%emt 0:06:50]} Rxf2 {[%emt 0:01:31]} 25. Qb3 {[%emt 0:01:26]} Bxc5 {[%emt 0:02:59]} 26. bxc5 {[%emt 0:00:15]} Nf4 {[%emt 0:00:31]} 27. Qe3 {[%emt 0:00:55]} Re2 {[%emt 0:01:28]} 28. Qf3 {[%emt 0:01:31]} Qxf3 {[%emt 0:02:00]} 29. Nxf3 {[%emt 0:00:02]} Rxa2 {[%emt 0:01:29]} 30. Nd4 {[%emt 0:00:12]} Nc6 {[%emt 0:02:04]} 31. Nxc6 {[%emt 0:01:03]} Rxc6 {[%emt 0:00:04]} 32. Nf5 {[%emt 0:00:22]} g6 {[%emt 0:03:43]} 33. Ne7 {[%emt 0:02:02]} Re6 {[%emt 0:05:57]} 34. c6 {[%emt 0:00:39]} Rxe7 {[%emt 0:00:15]} 35. c7 Re8 {[%emt 0:00:49]} 36. c8=Q {[%emt 0:00:44]} Rxc8 {[%emt 0:00:05]} 37. Rxc8+ {[%emt 0:00:01]} Kg7 {[%emt 0:00:07]} 38. g3 {[%emt 0:00:53]} Nh3 {[%emt 0:01:06]} 39. Rxd5 {[%emt 0:00:46]} h5 {[%emt 0:00:41]} 40. Rd7+ {[%emt 0:00:46]} Kh6 {[%emt 0:00:31]} 41. Rg8 {[%emt 0:12:18]} Nf2+ {[%emt 0:04:51]} 42. Kg1 {[%emt 0:00:18]} Nh3+ {[%emt 0:08:51]} 43. Kf1 {[%emt 0:00:11]} Rf2+ {[%emt 0:01:04]} 44. Ke1 {[%emt 0:00:04]} Rxh2 {[%emt 0:00:20]} 45. Rd6 {[%emt 0:01:49]} Ng1 {[%emt 0:02:14]} 46. Rgxg6+ {[%emt 0:03:07]} Kh7 {[%emt 0:00:07]} 47. Rge6 {[%emt 0:00:21]} Nf3+ {[%emt 0:01:56]} 48. Kd1 {[%emt 0:00:04]} Kg7 {[%emt 0:00:59]} 49. Re7+ {[%emt 0:00:32]} Kf8 {[%emt 0:00:07]} 50. Rxa7 {[%emt 0:00:18]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.13"]
[White "Kaiser, Elmar"]
[Black "Nasuta, Grzegorz"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2131"]
[BlackElo "2534"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:02:52]} e5 {[%emt 0:00:35]} 2. Nf3 {[%emt 0:00:14]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:19]} a6 {[%emt 0:00:08]} 4. Ba4 {[%emt 0:00:15]} Nf6 {[%emt 0:00:10]} 5. O-O {[%emt 0:00:11]} Be7 {[%emt 0:01:37]} 6. Re1 {[%emt 0:00:39]} b5 {[%emt 0:00:17]} 7. Bb3 {[%emt 0:00:04]} d6 {[%emt 0:00:07]} 8. c3 {[%emt 0:00:28]} O-O {[%emt 0:00:12]} 9. h3 {[%emt 0:00:56]} Nb8 {[%emt 0:04:12]} 10. d4 {[%emt 0:01:00]} Nbd7 {[%emt 0:00:05]} 11. Nbd2 {[%emt 0:01:27]} Bb7 {[%emt 0:00:08]} 12. Bc2 {[%emt 0:00:11]} c5 {[%emt 0:00:13]} 13. d5 {[%emt 0:00:37]} c4 {[%emt 0:00:06]} 14. Nf1 {[%emt 0:00:29]} Qc7 {[%emt 0:00:06]} 15. Ng3 {[%emt 0:00:56]} g6 {[%emt 0:00:06]} 16. Bh6 {[%emt 0:04:11]} Rfb8 {[%emt 0:00:06]} 17. Qd2 {[%emt 0:00:15]} a5 {[%emt 0:01:07]} 18. Nh2 {[%emt 0:12:11]} b4 {[%emt 0:05:35]} 19. Nf5 {[%emt 0:12:22]} Bd8 {[%emt 0:13:57]} 20. Ba4 {[%emt 0:23:36]} Nc5 {[%emt 0:49:50]} 21. Bf8 {[%emt 0:01:14]} Ne8 {[%emt 0:00:22]} 22. Qh6 {[%emt 0:04:32]} Nxa4 {[%emt 0:00:40]} 23. Bxd6 {[%emt 0:00:17]} Qxd6 {[%emt 0:00:05]} 24. Nxd6 {[%emt 0:00:08]} Nxd6 {[%emt 0:00:04]} 25. cxb4 {[%emt 0:13:23]} Nxb2 {[%emt 0:03:52]} 26. bxa5 {[%emt 0:01:51]} Nd3 {[%emt 0:00:55]} 27. Re2 {[%emt 0:01:36]} Nf4 {[%emt 0:00:53]} 28. Ree1 {[%emt 0:01:55]} f5 {[%emt 0:00:23]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.14"]
[White "Chanda, Sandipan"]
[Black "Kastek, Thomas"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2529"]
[BlackElo "2129"]
[Annotator "ChessBase"]
[PlyCount "41"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:07]} 4. e3 {[%emt 0:00:12]} O-O {[%emt 0:01:00]} 5. Bd2 {[%emt 0:00:11]} d5 {[%emt 0:01:56]} 6. Nf3 {[%emt 0:00:15]} b6 {[%emt 0:02:14]} 7. cxd5 {[%emt 0:00:25]} exd5 {[%emt 0:00:28]} 8. Rc1 {[%emt 0:00:13]} Be7 {[%emt 0:02:58]} 9. Ne5 {[%emt 0:00:33]} Bb7 {[%emt 0:01:19]} 10. Bd3 {[%emt 0:00:49]} c5 {[%emt 0:06:27]} 11. O-O {[%emt 0:00:17]} Nbd7 {[%emt 0:02:14]} 12. f4 {[%emt 0:00:44]} Rc8 {[%emt 0:01:27]} 13. Qf3 {[%emt 0:02:24]} cxd4 {[%emt 0:08:16]} 14. exd4 {[%emt 0:00:17]} Ne4 {[%emt 0:02:28]} 15. Qh3 {[%emt 0:08:23]} Ndf6 {[%emt 0:04:26]} 16. Be3 {[%emt 0:09:43]} Qd6 {[%emt 0:14:40]} 17. Nb5 {[%emt 0:15:51]} Qb8 {[%emt 0:28:59]} 18. g4 {[%emt 0:01:23]} Rxc1 {[%emt 0:07:40]} 19. Bxc1 {[%emt 0:00:49]} Rd8 {[%emt 0:01:57]} 20. g5 {[%emt 0:02:31]} Ne8 {[%emt 0:00:12]} 21. Qf5 {[%emt 0:01:18]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.15"]
[White "Lodes, Hermann"]
[Black "Marin, Mihail"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2129"]
[BlackElo "2524"]
[Annotator "RC"]
[PlyCount "86"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:02:46]} f5 {[%emt 0:00:00]} 2. g3 {[%emt 0:01:06]} Nf6 {[%emt 0:00:04]} 3. Bg2 {[%emt 0:00:29]} g6 {[%emt 0:00:07]} 4. Nc3 {[%emt 0:00:24]} Bg7 {[%emt 0:00:07]} 5. d4 {[%emt 0:00:25]} O-O {[%emt 0:00:22]} 6. Nh3 {[%emt 0:01:10]} e6 {[%emt 0:00:21]} 7. d5 {[%emt 0:05:14]} e5 {[%emt 0:02:45]} 8. d6 {[%emt 0:02:44]} cxd6 {[%emt 0:00:41]} 9. Qxd6 {[%emt 0:00:19]} Nc6 {[%emt 0:01:01]} 10. O-O {[%emt 0:04:41]} h6 {[%emt 0:01:29]} 11. Rd1 {[%emt 0:08:21]} Kh7 {[%emt 0:04:52]} 12. Rb1 {[%emt 0:10:26]} Ne8 {[%emt 0:05:16]} 13. Qd2 {[%emt 0:01:25]} d6 {[%emt 0:02:11]} 14. c5 {[%emt 0:11:03]} Be6 {[%emt 0:01:30]} 15. cxd6 {[%emt 0:02:23]} Rf7 {[%emt 0:00:49]} 16. b3 {[%emt 0:02:51]} Rd7 {[%emt 0:02:01]} 17. Ba3 {[%emt 0:01:16]} Bf8 {[%emt 0:02:51]} 18. Qe3 {[%emt 0:03:43]} Qf6 {[%emt 0:18:24]} 19. Na4 {[%emt 0:02:35]} Bxd6 {[%emt 0:06:36]} 20. Nc5 {[%emt 0:05:42]} Re7 {[%emt 0:07:13]} 21. Bb2 {[%emt 0:06:43]} Rc8 {[%emt 0:09:00]} 22. Nxe6 {[%emt 0:08:42]} Rxe6 {[%emt 0:07:11]} 23. Bxc6 {[%emt 0:05:48]} Rxc6 {[%emt 0:02:52]} 24. Qxa7 {[%emt 0:00:38]} Qe7 {[%emt 0:01:21]} 25. Rbc1 {[%emt 0:01:41]} Ra6 {[%emt 0:03:32]} 26. Qe3 {[%emt 0:00:28]} g5 {[%emt 0:05:24]} 27. Kg2 {[%emt 0:00:31]} g4 {[%emt 0:02:03]} 28. Ng1 {[%emt 0:00:07]} Rxa2 {[%emt 0:00:09]} 29. Rc2 {[%emt 0:01:02]} Kg6 {[%emt 0:04:42]} 30. Rdc1 {[%emt 0:01:35]} Nf6 {[%emt 0:00:42]} 31. Rd1 {[%emt 0:02:33]} b6 {[%emt 0:04:48]} 32. f3 {[%emt 0:01:31]} Bc5 {[%emt 0:01:35]} 33. Qd2 {[%emt 0:00:50]} Rd6 {[%emt 0:00:56]} 34. Qc1 {[%emt 0:01:15]} Nd5 {[%emt 0:01:31]} 35. Rxd5 {[%emt 0:00:38]} Rxd5 {[%emt 0:00:04]} 36. fxg4 {[%emt 0:00:13]} Qg5 {[%emt 0:01:15]} 37. Qb1 {[%emt 0:00:30]} Qxg4 {[%emt 0:01:22]} 38. Nf3 {[%emt 0:00:42]} Qe4 {[%emt 0:00:19]} 39. Qc1 {[%emt 0:01:38]} Ra7 {[%emt 0:00:44]} 40. Kf1 {[%emt 0:01:00]} Re7 {[%emt 0:00:59]} 41. b4 {[%emt 0:31:46]} Be3 {[%emt 0:08:54]} 42. Rc6+ {[%emt 0:00:00]} Kh7 {[%emt 0:02:53]} 43. Qa1 {[%emt 0:00:00]} Red7 {[%emt 0:01:30]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.16"]
[White "Prusikin, Michael"]
[Black "Nehyba, Martin"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2521"]
[BlackElo "2129"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:12]} 3. Nc3 {[%emt 0:00:07]} g6 {[%emt 0:00:10]} 4. h4 {[%emt 0:00:27]} Bg7 {[%emt 0:00:47]} 5. h5 {[%emt 0:00:11]} d6 {[%emt 0:07:19]} 6. hxg6 {[%emt 0:04:16]} hxg6 {[%emt 0:00:03]} 7. Rxh8+ {[%emt 0:00:05]} Bxh8 {[%emt 0:00:07]} 8. Nf3 {[%emt 0:00:26]} Nc6 {[%emt 0:00:44]} 9. Ng5 {[%emt 0:13:40]} e6 {[%emt 0:17:39]} 10. d5 {[%emt 0:02:55]} exd5 {[%emt 0:03:05]} 11. cxd5 {[%emt 0:01:27]} Ne5 {[%emt 0:00:08]} 12. Bf4 {[%emt 0:14:23]} Nh5 {[%emt 0:02:11]} 13. e3 {[%emt 0:03:28]} Qe7 {[%emt 0:15:32]} 14. Bb5+ {[%emt 0:09:11]} Kf8 {[%emt 0:10:12]} 15. Kf1 {[%emt 0:00:38]} Nxf4 {[%emt 0:00:52]} 16. exf4 {[%emt 0:00:04]} Nf7 {[%emt 0:00:15]} 17. Nf3 {[%emt 0:09:16]} Bd7 {[%emt 0:13:57]} 18. Bxd7 {[%emt 0:07:30]} Qxd7 {[%emt 0:00:02]} 19. Nh4 {[%emt 0:04:19]} Bf6 {[%emt 0:10:39]} 20. Nxg6+ {[%emt 0:01:07]} Kg7 {[%emt 0:00:05]} 21. Qh5 {[%emt 0:00:47]} Nh6 {[%emt 0:08:44]} 22. Nh4 {[%emt 0:00:59]} Bxh4 {[%emt 0:00:01]} 23. Qxh4 {[%emt 0:00:06]} Rh8 {[%emt 0:00:07]} 24. Re1 {[%emt 0:06:39]} Nf7 {[%emt 0:05:06]} 25. Qg3+ {[%emt 0:00:34]} Kf8 {[%emt 0:00:17]} 26. Kg1 {[%emt 0:01:37]} Qd8 {[%emt 0:03:40]} 27. Nb5 {[%emt 0:01:01]} Rg8 {[%emt 0:00:56]} 28. Nd4 {[%emt 0:02:44]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.17"]
[White "Kaeding, Rainer"]
[Black "Gukesh D"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2127"]
[BlackElo "2520"]
[Annotator "RC"]
[PlyCount "76"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} Nf6 {[%emt 0:07:22]} 2. g3 {[%emt 0:00:00]} g6 {[%emt 0:01:30]} 3. Bg2 {[%emt 0:00:25]} Bg7 {[%emt 0:00:07]} 4. Nc3 {[%emt 0:01:00]} O-O {[%emt 0:00:57]} 5. e4 {[%emt 0:00:52]} e5 {[%emt 0:01:27]} 6. Nge2 {[%emt 0:00:46]} Nc6 {[%emt 0:04:55]} 7. O-O {[%emt 0:01:10]} d6 {[%emt 0:00:42]} 8. d3 {[%emt 0:00:47]} Nd7 {[%emt 0:01:10]} 9. Be3 {[%emt 0:03:13]} Nc5 {[%emt 0:02:36]} 10. Nd5 {[%emt 0:03:45]} Bd7 {[%emt 0:08:42]} 11. Qd2 {[%emt 0:04:32]} Ne6 {[%emt 0:02:14]} 12. f4 {[%emt 0:03:38]} f5 {[%emt 0:23:24]} 13. Rae1 {[%emt 0:05:14]} fxe4 {[%emt 0:08:20]} 14. dxe4 {[%emt 0:00:32]} Ncd4 {[%emt 0:02:26]} 15. Kh1 {[%emt 0:09:33]} c6 {[%emt 0:01:48]} 16. Ndc3 {[%emt 0:00:22]} Qa5 {[%emt 0:07:15]} 17. Nc1 {[%emt 0:11:37]} Qb4 {[%emt 0:04:01]} 18. fxe5 {[%emt 0:06:05]} dxe5 {[%emt 0:01:04]} 19. b3 {[%emt 0:00:18]} Rad8 {[%emt 0:04:14]} 20. Nd3 {[%emt 0:02:00]} Qa5 {[%emt 0:00:31]} 21. Rxf8+ {[%emt 0:01:59]} Rxf8 {[%emt 0:00:43]} 22. Rf1 {[%emt 0:01:06]} Rxf1+ {[%emt 0:01:30]} 23. Bxf1 {[%emt 0:00:18]} Nf3 {[%emt 0:02:28]} 24. Qb2 {[%emt 0:00:37]} Ned4 {[%emt 0:01:39]} 25. b4 {[%emt 0:04:12]} Qd8 {[%emt 0:00:24]} 26. Qf2 {[%emt 0:02:35]} Bg4 {[%emt 0:04:59]} 27. h3 {[%emt 0:01:26]} Be6 {[%emt 0:02:07]} 28. Nc5 {[%emt 0:01:31]} Bc8 {[%emt 0:00:10]} 29. Ne2 {[%emt 0:14:56]} b6 {[%emt 0:02:21]} 30. Nb3 {[%emt 0:01:54]} Nxb3 {[%emt 0:00:34]} 31. axb3 {[%emt 0:04:10]} Nd2 {[%emt 0:00:10]} 32. Nc1 {[%emt 0:05:18]} Nxe4 {[%emt 0:01:04]} 33. Qf3 {[%emt 0:00:11]} Qf8 {[%emt 0:01:48]} 34. Bg2 {[%emt 0:02:30]} Qxf3 {[%emt 0:00:18]} 35. Bxf3 {[%emt 0:00:05]} Nxg3+ {[%emt 0:00:12]} 36. Kg2 {[%emt 0:00:14]} Nf5 {[%emt 0:01:02]} 37. Bg5 {[%emt 0:00:44]} Nd4 {[%emt 0:01:11]} 38. Be4 {[%emt 0:00:50]} Bf5 {[%emt 0:00:36]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.18"]
[White "Asadli, Vugar"]
[Black "Wenner, Tobias"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2513"]
[BlackElo "2127"]
[Annotator "ChessBase"]
[PlyCount "47"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. c4 {[%emt 0:01:31]} d5 {[%emt 0:00:00]} 3. cxd5 {[%emt 0:00:04]} cxd5 {[%emt 0:00:07]} 4. exd5 {[%emt 0:00:03]} Nf6 {[%emt 0:00:38]} 5. Nc3 {[%emt 0:00:05]} Nxd5 {[%emt 0:02:34]} 6. Nf3 {[%emt 0:00:08]} e6 {[%emt 0:07:35]} 7. d4 {[%emt 0:00:17]} Be7 {[%emt 0:07:38]} 8. Bd3 {[%emt 0:00:08]} Nd7 {[%emt 0:05:32]} 9. Nxd5 {[%emt 0:04:19]} exd5 {[%emt 0:00:16]} 10. O-O {[%emt 0:03:54]} O-O {[%emt 0:00:11]} 11. Re1 {[%emt 0:00:31]} Re8 {[%emt 0:05:06]} 12. Bf4 {[%emt 0:01:29]} Nf8 {[%emt 0:01:47]} 13. Qb3 {[%emt 0:03:58]} Ne6 {[%emt 0:07:41]} 14. Be5 {[%emt 0:01:09]} f6 {[%emt 0:13:24]} 15. Bg3 {[%emt 0:04:53]} Bd6 {[%emt 0:02:45]} 16. Rac1 {[%emt 0:06:40]} Bxg3 {[%emt 0:00:57]} 17. hxg3 {[%emt 0:00:06]} Qd6 {[%emt 0:02:03]} 18. Qc2 {[%emt 0:08:25]} Bd7 {[%emt 0:04:05]} 19. Bxh7+ {[%emt 0:00:54]} Kh8 {[%emt 0:01:00]} 20. Bg6 {[%emt 0:00:33]} Rec8 {[%emt 0:01:00]} 21. Qf5 {[%emt 0:02:04]} Rxc1 {[%emt 0:11:33]} 22. Qh5+ {[%emt 0:01:01]} Kg8 {[%emt 0:00:03]} 23. Qh7+ {[%emt 0:00:08]} Kf8 {[%emt 0:00:12]} 24. Qh8+ {[%emt 0:00:18]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.19"]
[White "Konik, Michael"]
[Black "Engel, Luis"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2126"]
[BlackElo "2507"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:01:58]} c5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:00]} 3. f4 {[%emt 0:00:05]} g6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:03]} 5. Bb5 {[%emt 0:00:12]} Nd4 {[%emt 0:00:56]} 6. O-O {[%emt 0:00:18]} Nxb5 {[%emt 0:04:47]} 7. Nxb5 {[%emt 0:00:08]} Nf6 {[%emt 0:00:29]} 8. e5 {[%emt 0:09:50]} Nd5 {[%emt 0:02:30]} 9. Ng5 {[%emt 0:04:30]} O-O {[%emt 0:05:32]} 10. Ne4 {[%emt 0:11:04]} b6 {[%emt 0:06:30]} 11. d4 {[%emt 0:07:40]} cxd4 {[%emt 0:03:17]} 12. Qxd4 {[%emt 0:03:29]} Nc7 {[%emt 0:02:30]} 13. a4 {[%emt 0:06:37]} d6 {[%emt 0:02:52]} 14. Be3 {[%emt 0:06:01]} Nxb5 {[%emt 0:06:36]} 15. axb5 {[%emt 0:00:10]} Bb7 {[%emt 0:02:12]} 16. Nf2 {[%emt 0:04:21]} Qc7 {[%emt 0:05:47]} 17. Nd3 {[%emt 0:02:11]} Qxc2 {[%emt 0:01:17]} 18. Rf2 {[%emt 0:03:58]} Qb3 {[%emt 0:00:57]} 19. Nb4 {[%emt 0:01:54]} dxe5 {[%emt 0:02:05]} 20. fxe5 {[%emt 0:00:48]} Rfd8 {[%emt 0:01:13]} 21. Qf4 {[%emt 0:00:35]} g5 {[%emt 0:05:36]} 22. Qxg5 {[%emt 0:09:08]} Qxb4 {[%emt 0:01:01]} 23. Raf1 {[%emt 0:03:04]} f6 {[%emt 0:02:35]} 24. Qg3 {[%emt 0:03:57]} Qe4 {[%emt 0:02:30]} 25. exf6 {[%emt 0:01:30]} exf6 {[%emt 0:00:09]} 26. Rf4 {[%emt 0:02:27]} Qe5 {[%emt 0:00:38]} 27. Qf2 {[%emt 0:01:40]} Be4 {[%emt 0:01:27]} 28. Qh4 {[%emt 0:02:41]} f5 {[%emt 0:01:13]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.20"]
[White "Vetoshko, Volodymyr"]
[Black "Lettl, Gerhard"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2506"]
[BlackElo "2126"]
[Annotator "RC"]
[PlyCount "117"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:54]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:22]} Nc6 {[%emt 0:00:10]} 3. Bc4 {[%emt 0:00:17]} Nf6 {[%emt 0:00:18]} 4. d3 {[%emt 0:00:36]} Bc5 {[%emt 0:01:10]} 5. O-O {[%emt 0:01:15]} d6 {[%emt 0:00:19]} 6. c3 {[%emt 0:01:18]} O-O {[%emt 0:01:11]} 7. a4 {[%emt 0:02:46]} a6 {[%emt 0:01:49]} 8. h3 {[%emt 0:02:58]} Ba7 {[%emt 0:06:24]} 9. Nbd2 {[%emt 0:03:39]} Qe7 {[%emt 0:07:19]} 10. Bb3 {[%emt 0:04:56]} Be6 {[%emt 0:05:45]} 11. Bc2 {[%emt 0:01:11]} Nd7 {[%emt 0:03:17]} 12. Re1 {[%emt 0:02:55]} h6 {[%emt 0:09:23]} 13. Nf1 {[%emt 0:21:14]} f5 {[%emt 0:11:29]} 14. d4 {[%emt 0:01:51]} fxe4 {[%emt 0:05:43]} 15. Bxe4 {[%emt 0:00:06]} d5 {[%emt 0:00:20]} 16. Bc2 {[%emt 0:00:16]} e4 {[%emt 0:05:14]} 17. N3h2 {[%emt 0:01:33]} Nce5 {[%emt 0:07:32]} 18. Kh1 {[%emt 0:19:41]} Qh4 {[%emt 0:18:15]} 19. dxe5 {[%emt 0:03:33]} Bxf2 {[%emt 0:01:14]} 20. Re2 {[%emt 0:02:07]} Nxe5 {[%emt 0:03:01]} 21. Be3 {[%emt 0:00:43]} Bxe3 {[%emt 0:05:53]} 22. Nxe3 {[%emt 0:00:27]} c6 {[%emt 0:00:55]} 23. Qe1 {[%emt 0:02:17]} Qg5 {[%emt 0:01:03]} 24. Rd1 {[%emt 0:03:01]} Rad8 {[%emt 0:01:03]} 25. a5 {[%emt 0:06:20]} c5 {[%emt 0:01:24]} 26. Red2 {[%emt 0:00:44]} Nc6 {[%emt 0:01:17]} 27. Bb3 {[%emt 0:11:31]} c4 {[%emt 0:00:57]} 28. Bc2 {[%emt 0:00:32]} Nxa5 {[%emt 0:00:25]} 29. h4 {[%emt 0:00:59]} Qe5 {[%emt 0:00:35]} 30. Nhg4 {[%emt 0:00:50]} Bxg4 {[%emt 0:00:40]} 31. Rxd5 {[%emt 0:02:43]} Rxd5 {[%emt 0:00:46]} 32. Rxd5 {[%emt 0:00:02]} Qf4 {[%emt 0:00:34]} 33. Rxa5 {[%emt 0:00:16]} Be6 {[%emt 0:00:31]} 34. Ra1 {[%emt 0:00:24]} g5 {[%emt 0:00:17]} 35. Rd1 {[%emt 0:01:18]} gxh4 {[%emt 0:00:41]} 36. Rd4 {[%emt 0:00:32]} h3 {[%emt 0:00:20]} 37. Rxe4 {[%emt 0:00:37]} hxg2+ {[%emt 0:00:18]} 38. Nxg2 {[%emt 0:01:39]} Qf1+ {[%emt 0:00:52]} 39. Kh2 {[%emt 0:00:33]} Qxe1 {[%emt 0:00:34]} 40. Nxe1 {[%emt 0:00:32]} Bd5 {[%emt 0:00:31]} 41. Rd4 {[%emt 0:04:29]} Bc6 {[%emt 0:09:20]} 42. Rxc4 {[%emt 0:07:04]} Rf2+ {[%emt 0:11:59]} 43. Kg1 {[%emt 0:01:15]} Re2 {[%emt 0:00:32]} 44. Kf1 {[%emt 0:00:48]} Rh2 {[%emt 0:01:06]} 45. Rf4 {[%emt 0:02:44]} Kg7 {[%emt 0:01:02]} 46. Rf2 {[%emt 0:00:49]} Rh1+ {[%emt 0:00:59]} 47. Ke2 {[%emt 0:00:04]} Rh5 {[%emt 0:02:18]} 48. Nf3 {[%emt 0:01:46]} Rb5 {[%emt 0:00:30]} 49. Nd4 {[%emt 0:00:53]} Re5+ {[%emt 0:00:55]} 50. Kd2 {[%emt 0:00:16]} Bd7 {[%emt 0:00:37]} 51. Rg2+ {[%emt 0:02:38]} Kf7 {[%emt 0:00:46]} 52. Bb3+ {[%emt 0:00:47]} Ke7 {[%emt 0:03:20]} 53. Rg7+ {[%emt 0:00:01]} Kd8 {[%emt 0:00:19]} 54. Rh7 {[%emt 0:00:29]} a5 {[%emt 0:02:36]} 55. Rxh6 {[%emt 0:00:44]} a4 {[%emt 0:00:03]} 56. Bd1 {[%emt 0:00:26]} a3 {[%emt 0:01:26]} 57. bxa3 {[%emt 0:00:07]} Ra5 {[%emt 0:00:05]} 58. Bf3 {[%emt 0:00:44]} Rxa3 {[%emt 0:00:33]} 59. Bxb7 {[%emt 0:00:12]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.21"]
[White "Pollmann, Sascha"]
[Black "Korneev, Oleg"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2126"]
[BlackElo "2504"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,73,0,27,5,11,14,33,20,37,32,35,28,18,25,42,-8,18,-7,26,16,30,19,43,0,0,0,8,-21,-25,-74,-16,-28,-23,-38,-33,-75,-58,-58,-63,-84,-69,-89,-22,-141,-125,-193,-182,-247,-243,-234,-241,-286,-172,-372,-272,-648,-648,-709,-681,-1254,-1290,-1142]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 c6 5. O-O e6 6. cxd5 exd5 7. d3 Be7 8. Qb3 {A11: English Opening: 1...c6} Qb6 9. Qc2 h6 10. Nc3 {White is slightly better.} O-O 11. e4 Bh7 12. Be3 Qa6 13. Rfd1 Nbd7 14. h3 Rfd8 {[#]} 15. a3 $146 ({Predecessor:} 15. Rac1 Nf8 {1-0 (50) Fressinet,L (2711)-Burmakin,V (2578) Grosseto Prugna 2014}) 15... Nc5 {[%cal Rd5e4]} 16. Nd4 Rac8 17. b4 Ncd7 18. Nf5 Bxf5 19. exf5 Re8 20. d4 Bd6 21. Re1 Qb6 ({Black should play} 21... Nb6 $17) 22. Na4 $11 Qc7 23. Nc5 Nb6 24. Rad1 Nc4 25. Bc1 a5 26. Nd3 axb4 27. axb4 b6 (27... Rxe1+ $17 28. Rxe1 Qb6) 28. f4 (28. Bf4 $11) 28... b5 {[%cal Bb6b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 29. Nc5 (29. Kh1 $17) 29... h5 $19 30. Re5 (30. Kh1 $142) 30... Bxc5 (30... Nxe5 31. fxe5 Bxc5 32. bxc5 $15) 31. bxc5 Qa5 ({Don't play} 31... Nxe5 32. fxe5 Ne4 33. Bf4 $17) 32. Bd2 b4 33. Rde1 $2 {[#]} (33. Qb3 {is the only way for White.}) 33... Qa3 ({Less strong is} 33... Nxe5 34. fxe5 b3 35. Bxa5 $17 (35. Qd3 $2 Qa2 $19)) 34. Kh2 $2 (34. Rb1) 34... b3 {Black is clearly winning.} 35. Qc3 Qa2 36. R1e2 b2 37. Be1 {Accuracy: White = 31%, Black = 49%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.22"]
[White "Krzyzanowski, Marcin"]
[Black "Schoetzig, Detlef"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2500"]
[BlackElo "2125"]
[Annotator "ChessBase"]
[PlyCount "61"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:02]} d5 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:18]} c6 {[%emt 0:01:07]} 4. Nbd2 {[%emt 0:00:51]} Bf5 {[%emt 0:00:22]} 5. h3 {[%emt 0:01:21]} h6 {[%emt 0:00:28]} 6. e3 {[%emt 0:00:08]} e6 {[%emt 0:01:13]} 7. Bd3 {[%emt 0:01:02]} Bxd3 {[%emt 0:01:48]} 8. cxd3 {[%emt 0:00:05]} Bd6 {[%emt 0:06:15]} 9. Ne5 {[%emt 0:01:09]} O-O {[%emt 0:00:50]} 10. g4 {[%emt 0:05:01]} Nh7 {[%emt 0:12:05]} 11. h4 {[%emt 0:01:37]} f6 {[%emt 0:02:14]} 12. Ng6 {[%emt 0:00:32]} Re8 {[%emt 0:10:04]} 13. Nf3 {[%emt 0:07:24]} Bxf4 {[%emt 0:07:26]} 14. exf4 {[%emt 0:06:58]} Nd7 {[%emt 0:07:17]} 15. g5 {[%emt 0:06:33]} Nhf8 {[%emt 0:12:54]} 16. Nxf8 {[%emt 0:07:47]} Rxf8 {[%emt 0:02:53]} 17. gxh6 {[%emt 0:02:33]} gxh6 {[%emt 0:00:23]} 18. f5 {[%emt 0:01:14]} exf5 {[%emt 0:04:46]} 19. h5 {[%emt 0:01:11]} Re8+ {[%emt 0:22:08]} 20. Kf1 {[%emt 0:01:36]} Nf8 {[%emt 0:00:23]} 21. Qd2 {[%emt 0:01:37]} Kh7 {[%emt 0:00:36]} 22. Qf4 {[%emt 0:00:42]} Qd7 {[%emt 0:04:13]} 23. Nh4 {[%emt 0:00:35]} Qe6 {[%emt 0:01:24]} 24. Nxf5 {[%emt 0:00:47]} Qe2+ {[%emt 0:00:10]} 25. Kg2 {[%emt 0:00:13]} Ne6 {[%emt 0:00:42]} 26. Qxh6+ {[%emt 0:00:30]} Kg8 {[%emt 0:00:01]} 27. Rh3 {[%emt 0:00:50]} Kf7 {[%emt 0:00:53]} 28. Qg6+ {[%emt 0:00:07]} Kf8 {[%emt 0:00:22]} 29. Qxf6+ {[%emt 0:00:05]} Kg8 {[%emt 0:00:09]} 30. Rg3+ {[%emt 0:00:05]} Kh7 {[%emt 0:00:37]} 31. Qh6# {[%emt 0:00:08]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.23"]
[White "Schliebener, Stephan"]
[Black "Del Rio De Angelis, Salvador G."]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2124"]
[BlackElo "2491"]
[Annotator "ChessBase"]
[PlyCount "64"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 3. d5 {[%emt 0:00:14]} b5 {[%emt 0:00:15]} 4. c4 {[%emt 0:05:57]} Bb7 {[%emt 0:04:56]} 5. e3 {[%emt 0:04:33]} g6 {[%emt 0:03:23]} 6. Be5 {[%emt 0:06:18]} Bg7 {[%emt 0:02:39]} 7. b3 {[%emt 0:00:34]} O-O {[%emt 0:00:32]} 8. Nf3 {[%emt 0:00:39]} bxc4 {[%emt 0:02:01]} 9. bxc4 {[%emt 0:04:17]} d6 {[%emt 0:00:14]} 10. Bb2 {[%emt 0:00:21]} e6 {[%emt 0:01:40]} 11. dxe6 {[%emt 0:00:19]} fxe6 {[%emt 0:00:08]} 12. Be2 {[%emt 0:00:12]} Qb6 {[%emt 0:12:46]} 13. Qc1 {[%emt 0:06:05]} Nbd7 {[%emt 0:02:00]} 14. Nbd2 {[%emt 0:01:34]} Rab8 {[%emt 0:00:23]} 15. Bc3 {[%emt 0:01:40]} Qc6 {[%emt 0:00:48]} 16. O-O {[%emt 0:02:02]} g5 {[%emt 0:02:53]} 17. h3 {[%emt 0:07:33]} Rf7 {[%emt 0:05:36]} 18. Qc2 {[%emt 0:09:11]} g4 {[%emt 0:01:40]} 19. hxg4 {[%emt 0:00:48]} Nxg4 {[%emt 0:00:08]} 20. Nb3 {[%emt 0:08:52]} Bxc3 {[%emt 0:15:02]} 21. Qxc3 {[%emt 0:00:12]} Rg7 {[%emt 0:03:30]} 22. Na5 {[%emt 0:01:54]} Qc7 {[%emt 0:00:28]} 23. Nxb7 {[%emt 0:00:37]} Rxb7 {[%emt 0:00:23]} 24. Rad1 {[%emt 0:05:05]} Ndf6 {[%emt 0:01:16]} 25. Bd3 {[%emt 0:12:27]} Qc6 {[%emt 0:05:12]} 26. Rb1 {[%emt 0:08:21]} Ne5 {[%emt 0:06:55]} 27. Ne1 {[%emt 0:01:40]} Nf3+ {[%emt 0:18:57]} 28. Nxf3 {[%emt 0:00:06]} Rxg2+ {[%emt 0:01:44]} 29. Kxg2 {[%emt 0:02:02]} Rg7+ {[%emt 0:00:05]} 30. Kh2 {[%emt 0:00:37]} Ng4+ {[%emt 0:00:07]} 31. Kg3 Ne5+ {[%emt 0:00:13]} 32. Kh4 {[%emt 0:01:38]} Rg4+ {[%emt 0:01:01]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.24"]
[White "Yankelevich, Lev"]
[Black "Juergens, Klaus"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2480"]
[BlackElo "2121"]
[Annotator "ChessBase"]
[PlyCount "75"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:04:22]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:01:02]} g6 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:40]} Bg7 {[%emt 0:00:11]} 4. e4 {[%emt 0:00:05]} d6 {[%emt 0:00:10]} 5. f3 {[%emt 0:01:17]} O-O {[%emt 0:00:13]} 6. Be3 {[%emt 0:00:04]} c5 {[%emt 0:00:14]} 7. Nge2 {[%emt 0:00:24]} cxd4 {[%emt 0:00:36]} 8. Nxd4 {[%emt 0:00:10]} Nc6 {[%emt 0:00:15]} 9. Qd2 {[%emt 0:00:29]} Bd7 {[%emt 0:00:46]} 10. Be2 {[%emt 0:00:50]} Nxd4 {[%emt 0:00:41]} 11. Bxd4 {[%emt 0:00:07]} a5 {[%emt 0:00:37]} 12. b3 {[%emt 0:04:41]} Bc6 {[%emt 0:01:25]} 13. O-O {[%emt 0:00:07]} Nd7 {[%emt 0:00:31]} 14. Be3 {[%emt 0:00:04]} Nc5 {[%emt 0:06:05]} 15. Rab1 {[%emt 0:00:52]} Qb6 {[%emt 0:02:14]} 16. Rfc1 {[%emt 0:00:07]} Rfc8 {[%emt 0:00:23]} 17. Rc2 {[%emt 0:00:05]} Qd8 {[%emt 0:01:04]} 18. Bf1 {[%emt 0:06:25]} h5 {[%emt 0:02:54]} 19. g3 {[%emt 0:01:46]} Qf8 {[%emt 0:03:45]} 20. Bg2 {[%emt 0:01:41]} e6 {[%emt 0:03:18]} 21. Rd1 {[%emt 0:07:53]} Rd8 {[%emt 0:01:26]} 22. Bf4 {[%emt 0:05:32]} Be5 {[%emt 0:02:58]} 23. Bh6 {[%emt 0:01:15]} Qe7 {[%emt 0:03:36]} 24. Bg5 {[%emt 0:00:55]} Bf6 {[%emt 0:00:22]} 25. Bxf6 {[%emt 0:00:29]} Qxf6 {[%emt 0:00:09]} 26. f4 {[%emt 0:00:02]} e5 {[%emt 0:17:44]} 27. f5 {[%emt 0:00:49]} g5 {[%emt 0:11:28]} 28. Qe3 {[%emt 0:04:09]} Kf8 {[%emt 0:04:16]} 29. h3 {[%emt 0:02:27]} h4 {[%emt 0:02:44]} 30. g4 {[%emt 0:03:13]} Qe7 {[%emt 0:03:22]} 31. Rb1 {[%emt 0:07:49]} f6 {[%emt 0:04:10]} 32. a3 {[%emt 0:01:15]} Qc7 {[%emt 0:03:03]} 33. Kh2 {[%emt 0:01:58]} Qb6 {[%emt 0:05:04]} 34. Rd2 {[%emt 0:03:01]} Na4 {[%emt 0:02:38]} 35. Qxb6 {[%emt 0:01:41]} Nxb6 {[%emt 0:00:08]} 36. Rbd1 {[%emt 0:00:49]} a4 {[%emt 0:02:22]} 37. c5 {[%emt 0:00:13]} Nd7 {[%emt 0:02:10]} 38. b4 {[%emt 0:00:09]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.25"]
[White "Gross, Willi"]
[Black "Loiseau, Quentin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2120"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,0,20,-5,7,-7,20,-63,-57,-60,-41,-63,-30,-106,-110,-133,-115,-122,-114,-111,-106,-124,-126,-122,-118,-125,-104,-93,-37,-66,0,0,-6,-30,-19,-22,-20,-45,-44,-45,-41,-45,-33,-39,-29,-26,-20,-52,-50,-59,-23,-42,-55,-45,-40,-77,-56,-93,-77,-71,-8,-8,-8,-8,-8,-12,-17,-58,-13,-9,0,0,0,0,0,-16,-26,-31,-31,-26,-13,-77,0,0,0,-13,-13,-13,-13,-13,-13,-15,-15,-39,0]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. b3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6. Qb3 c4 7. Qc2 Bf5 8. Qc1 e6 9. Nbd2 h6 10. Be2 Be7 11. O-O Qa5 12. b4 Qd8 13. a4 O-O 14. h3 a6 15. Ne5 Nxe5 16. dxe5 Ne4 17. Nf3 {1-0 (109) Maghsoodloo,P (2656)-Shankland,S (2713) Biel 2019}) 6... cxd4 7. exd4 Ne4 8. Nfd2 $146 {[#]} (8. Bd3 $11) ({Predecessor:} 8. Be2 Bf5 9. O-O e6 10. Nfd2 Nf6 11. Nf3 Be7 12. Bd3 Bg4 13. Nbd2 Rc8 14. h3 Bh5 15. Be2 O-O 16. Rc1 Ba3 17. Rb1 Bg6 18. Ne5 Nxe5 19. Bxe5 Nd7 20. Bf4 Rxc3 {0-1 (20) Valov,I (2228)-Zubritskiy,A (2422) Minsk 2015}) 8... e5 $1 $15 {[%cal Re5f4][%mdl 512]} 9. Nxe4 (9. dxe5 Qxf2#) 9... exf4 10. Ned2 Be7 11. Qf3 (11. a4 $11 {remains equal.}) 11... O-O $17 12. Bd3 {[#]} Nxd4 $1 {[%mdl 512]} 13. cxd4 Qxd4 14. Nc3 Bb4 {Played: Bc8-g4} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.26"]
[White "Vogel, Roven"]
[Black "Schmidt, Gerhard"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2456"]
[BlackElo "2118"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:02:09]} Nf6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:13]} g6 {[%emt 0:00:03]} 3. e4 {[%emt 0:00:26]} d6 {[%emt 0:00:17]} 4. d4 {[%emt 0:00:08]} Bg7 {[%emt 0:00:16]} 5. h3 {[%emt 0:00:08]} O-O {[%emt 0:00:33]} 6. Be3 {[%emt 0:00:12]} c5 {[%emt 0:01:17]} 7. Nge2 {[%emt 0:00:30]} cxd4 {[%emt 0:01:23]} 8. Nxd4 {[%emt 0:00:10]} b6 {[%emt 0:00:33]} 9. Qd2 {[%emt 0:01:43]} Bb7 {[%emt 0:00:42]} 10. f3 {[%emt 0:00:09]} Nbd7 {[%emt 0:07:44]} 11. O-O-O {[%emt 0:02:00]} a6 {[%emt 0:07:15]} 12. h4 {[%emt 0:05:32]} h5 {[%emt 0:08:42]} 13. Bh6 {[%emt 0:06:41]} Rc8 {[%emt 0:13:31]} 14. g4 {[%emt 0:03:56]} Ne5 {[%emt 0:18:03]} 15. Bxg7 {[%emt 0:14:39]} Kxg7 {[%emt 0:00:25]} 16. g5 {[%emt 0:00:10]} Nfd7 {[%emt 0:01:24]} 17. b3 {[%emt 0:02:37]} b5 {[%emt 0:04:01]} 18. cxb5 {[%emt 0:03:20]} axb5 {[%emt 0:05:40]} 19. Bxb5 {[%emt 0:01:40]} Nc5 {[%emt 0:02:06]} 20. Kb2 {[%emt 0:02:08]} Qb6 {[%emt 0:09:11]} 21. a4 {[%emt 0:13:58]} Ncd3+ {[%emt 0:08:55]} 22. Bxd3 {[%emt 0:00:12]} Qxd4 {[%emt 0:00:09]} 23. Be2 {[%emt 0:00:32]} Qf2 {[%emt 0:02:02]} 24. Qd4 {[%emt 0:09:30]} Qg3 {[%emt 0:00:42]} 25. Qe3 {[%emt 0:00:49]} Ng4 {[%emt 0:00:45]} 26. Qg1 {[%emt 0:05:27]} Qe5 {[%emt 0:04:55]} 27. Rd4 {[%emt 0:00:22]} Rxc3 {[%emt 0:00:58]} 28. Kxc3 {[%emt 0:00:07]} Qa5+ {[%emt 0:01:25]} 29. Kb2 {[%emt 0:00:18]} Rc8 {[%emt 0:00:20]} 30. Qe1 {[%emt 0:01:21]} Qe5 {[%emt 0:00:57]} 31. Qd2 {[%emt 0:00:24]} Nf2 {[%emt 0:00:25]} 32. Rf1 {[%emt 0:00:44]} Bxe4 {[%emt 0:00:42]} 33. fxe4 {[%emt 0:01:33]} Nxe4 {[%emt 0:00:10]} 34. Qe3 {[%emt 0:00:07]} Ng3 {[%emt 0:00:36]} 35. Qxe5+ {[%emt 0:00:13]} dxe5 {[%emt 0:00:04]} 36. Rc4 {[%emt 0:02:10]} Rd8 {[%emt 0:00:06]} 37. Rd1 {[%emt 0:00:14]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.27"]
[White "Lohvinov, Petro"]
[Black "Parvanyan, Ashot"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2117"]
[BlackElo "2448"]
[Annotator "RC"]
[PlyCount "124"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:47]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:06]} 3. Nd2 {[%emt 0:00:00]} Be7 {[%emt 0:00:59]} 4. c3 {[%emt 0:00:24]} c5 {[%emt 0:01:00]} 5. Bd3 {[%emt 0:07:36]} cxd4 {[%emt 0:02:11]} 6. cxd4 {[%emt 0:01:36]} Nc6 {[%emt 0:00:18]} 7. Ngf3 {[%emt 0:00:09]} dxe4 {[%emt 0:01:18]} 8. Nxe4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:30]} 9. O-O {[%emt 0:00:47]} O-O {[%emt 0:02:19]} 10. Nc3 {[%emt 0:02:27]} b6 {[%emt 0:03:22]} 11. a3 {[%emt 0:05:00]} Bb7 {[%emt 0:01:17]} 12. Bc2 {[%emt 0:00:45]} Qd6 {[%emt 0:09:47]} 13. Qd3 {[%emt 0:06:33]} Rfd8 {[%emt 0:04:20]} 14. Be3 {[%emt 0:02:40]} Rac8 {[%emt 0:02:55]} 15. Rad1 {[%emt 0:03:59]} g6 {[%emt 0:10:44]} 16. Bg5 {[%emt 0:11:01]} Nd5 {[%emt 0:08:43]} 17. Ne4 {[%emt 0:15:30]} Qc7 {[%emt 0:00:17]} 18. Bb1 {[%emt 0:06:18]} Bxg5 {[%emt 0:08:20]} 19. Nfxg5 {[%emt 0:01:55]} Nf4 {[%emt 0:06:08]} 20. Qe3 {[%emt 0:03:48]} Nxd4 {[%emt 0:01:59]} 21. Rfe1 {[%emt 0:15:26]} h6 {[%emt 0:14:55]} 22. Nh3 {[%emt 0:08:41]} Nxh3+ {[%emt 0:13:22]} 23. Qxh3 {[%emt 0:00:03]} Ne2+ {[%emt 0:05:06]} 24. Kh1 {[%emt 0:00:07]} Kg7 {[%emt 0:00:42]} 25. Qe3 {[%emt 0:02:26]} Nf4 {[%emt 0:00:27]} 26. f3 {[%emt 0:02:47]} Bxe4 {[%emt 0:00:35]} 27. Bxe4 {[%emt 0:00:55]} Qe5 {[%emt 0:00:17]} 28. Qb3 {[%emt 0:02:15]} Qg5 {[%emt 0:00:40]} 29. g3 {[%emt 0:00:36]} Nh3 {[%emt 0:00:34]} 30. Rxd8 {[%emt 0:00:33]} Rxd8 {[%emt 0:00:14]} 31. Qc3+ {[%emt 0:00:09]} Qf6 {[%emt 0:00:43]} 32. Kg2 {[%emt 0:00:52]} Qxc3 {[%emt 0:00:24]} 33. bxc3 {[%emt 0:00:02]} Ng5 {[%emt 0:00:07]} 34. f4 {[%emt 0:00:56]} Rd2+ {[%emt 0:00:39]} 35. Kg1 {[%emt 0:00:31]} Nh3+ {[%emt 0:00:20]} 36. Kh1 {[%emt 0:00:11]} Nf2+ {[%emt 0:00:12]} 37. Kg1 {[%emt 0:00:00]} Nd1 {[%emt 0:01:06]} 38. c4 {[%emt 0:00:52]} Nb2 {[%emt 0:00:13]} 39. Rc1 {[%emt 0:00:43]} Rd4 {[%emt 0:00:21]} 40. Bg2 {[%emt 0:00:44]} Nxc4 {[%emt 0:00:21]} 41. Rc3 {[%emt 0:01:32]} Rd1+ {[%emt 0:02:52]} 42. Kf2 {[%emt 0:00:26]} Rd2+ {[%emt 0:00:08]} 43. Kg1 {[%emt 0:00:21]} Nd6 {[%emt 0:00:29]} 44. Bc6 {[%emt 0:02:24]} Kf6 {[%emt 0:00:36]} 45. a4 {[%emt 0:01:55]} Ra2 {[%emt 0:00:48]} 46. h4 {[%emt 0:00:48]} h5 {[%emt 0:01:22]} 47. Kf1 {[%emt 0:01:47]} Kf5 {[%emt 0:06:32]} 48. Re3 {[%emt 0:04:08]} Nc4 {[%emt 0:01:15]} 49. Rd3 {[%emt 0:01:23]} Rd2 {[%emt 0:01:45]} 50. Rc3 {[%emt 0:00:19]} Nd6 {[%emt 0:00:47]} 51. Re3 {[%emt 0:00:25]} Rc2 {[%emt 0:00:40]} 52. Bf3 {[%emt 0:01:29]} Nc4 {[%emt 0:01:41]} 53. Re2 {[%emt 0:01:26]} Rxe2 {[%emt 0:02:49]} 54. Kxe2 {[%emt 0:00:02]} e5 {[%emt 0:01:18]} 55. fxe5 {[%emt 0:00:11]} Nxe5 {[%emt 0:00:17]} 56. Bd5 {[%emt 0:00:19]} f6 {[%emt 0:01:17]} 57. Bb7 {[%emt 0:01:10]} Nf7 {[%emt 0:06:59]} 58. Bc8+ {[%emt 0:01:03]} Ke4 {[%emt 0:00:50]} 59. Bd7 {[%emt 0:00:24]} Ne5 {[%emt 0:01:21]} 60. Be8 {[%emt 0:00:12]} a6 {[%emt 0:00:18]} 61. Kf2 {[%emt 0:00:40]} Kd5 {[%emt 0:00:15]} 62. Ke3 {[%emt 0:00:31]} Kd6 {[%emt 0:00:29]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.28"]
[White "Hoffmann, Michael"]
[Black "Kick, Joachim"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2445"]
[BlackElo "2116"]
[Annotator "NA"]
[PlyCount "49"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:44]} e5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:32]} Nf6 {[%emt 0:00:01]} 3. Nf3 {[%emt 0:00:33]} Nc6 {[%emt 0:00:07]} 4. g3 {[%emt 0:01:03]} Bb4 {[%emt 0:00:30]} 5. Nd5 {[%emt 0:02:04]} Bc5 {[%emt 0:01:49]} 6. Bg2 {[%emt 0:00:34]} O-O {[%emt 0:00:58]} 7. d3 {[%emt 0:03:53]} Nxd5 {[%emt 0:06:56]} 8. cxd5 {[%emt 0:00:35]} Nd4 {[%emt 0:00:07]} 9. Nd2 {[%emt 0:03:38]} d6 {[%emt 0:06:34]} 10. e3 {[%emt 0:02:04]} Nf5 {[%emt 0:01:48]} 11. Ne4 {[%emt 0:02:52]} Bb6 {[%emt 0:01:53]} 12. O-O {[%emt 0:01:10]} a6 {[%emt 0:04:23]} 13. Bd2 {[%emt 0:00:39]} Ne7 {[%emt 0:01:38]} 14. Nc3 {[%emt 0:04:19]} f5 {[%emt 0:05:22]} 15. f4 {[%emt 0:06:14]} exf4 {[%emt 0:08:21]} 16. gxf4 {[%emt 0:02:31]} Ng6 {[%emt 0:03:08]} 17. Rf3 {[%emt 0:02:21]} Qe7 {[%emt 0:25:54]} 18. Kh1 {[%emt 0:02:27]} Nh4 {[%emt 0:15:37]} 19. Rg3 {[%emt 0:09:15]} Nxg2 {[%emt 0:01:54]} 20. Rxg2 {[%emt 0:04:27]} Bd7 {[%emt 0:02:17]} 21. Qf3 {[%emt 0:01:55]} Be8 {[%emt 0:09:02]} 22. Rag1 {[%emt 0:01:45]} g6 {[%emt 0:01:36]} 23. Rg5 {[%emt 0:09:40]} Bf7 {[%emt 0:00:49]} 24. Rxf5 {[%emt 0:00:58]} Rae8 {[%emt 0:00:18]} 25. Ne4 {[%emt 0:00:19]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.29"]
[White "Teuschler, Hugo"]
[Black "Womacka, Mathias"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2116"]
[BlackElo "2436"]
[Annotator "NA"]
[PlyCount "68"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 6. Bg5 {[%emt 0:00:36]} e6 {[%emt 0:00:10]} 7. f4 {[%emt 0:00:10]} h6 {[%emt 0:00:21]} 8. Bh4 {[%emt 0:00:05]} Qb6 {[%emt 0:00:11]} 9. a3 {[%emt 0:03:38]} Nbd7 {[%emt 0:00:25]} 10. Bc4 {[%emt 0:02:29]} e5 {[%emt 0:01:24]} 11. fxe5 {[%emt 0:00:19]} dxe5 {[%emt 0:00:06]} 12. Nf5 {[%emt 0:00:28]} g6 {[%emt 0:00:40]} 13. Nd5 {[%emt 0:00:13]} Nxd5 {[%emt 0:00:13]} 14. Qxd5 {[%emt 0:00:06]} Rh7 {[%emt 0:00:37]} 15. O-O-O {[%emt 0:01:02]} gxf5 {[%emt 0:03:09]} 16. exf5 {[%emt 0:00:08]} Be7 {[%emt 0:01:49]} 17. Bxe7 {[%emt 0:00:08]} Kxe7 {[%emt 0:00:05]} 18. Rhf1 {[%emt 0:01:59]} Kf8 {[%emt 0:01:28]} 19. f6 {[%emt 0:00:08]} Nxf6 {[%emt 0:01:17]} 20. Qxe5 {[%emt 0:15:44]} Ng4 {[%emt 0:02:30]} 21. Rxf7+ {[%emt 0:11:05]} Rxf7 {[%emt 0:00:52]} 22. Qh8+ {[%emt 0:00:07]} Ke7 {[%emt 0:00:09]} 23. Bxf7 {[%emt 0:04:55]} Kxf7 {[%emt 0:16:51]} 24. Qh7+ {[%emt 0:07:55]} Kf6 {[%emt 0:23:50]} 25. Rf1+ {[%emt 0:34:38]} Kg5 {[%emt 0:01:03]} 26. Qe7+ {[%emt 0:06:37]} Kh5 {[%emt 0:02:18]} 27. Qf7+ {[%emt 0:02:49]} Qg6 {[%emt 0:00:28]} 28. Qf3 {[%emt 0:00:11]} Be6 {[%emt 0:05:36]} 29. h3 {[%emt 0:00:31]} Rc8 {[%emt 0:01:36]} 30. hxg4+ {[%emt 0:00:59]} Qxg4 {[%emt 0:00:25]} 31. Rh1+ {[%emt 0:03:26]} Kg6 {[%emt 0:00:26]} 32. Qxb7 {[%emt 0:01:17]} Qe2 {[%emt 0:09:02]} 33. c3 {[%emt 0:00:58]} Rf8 {[%emt 0:00:17]} 34. Qb6 {[%emt 0:02:09]} Rf2 {[%emt 0:01:15]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.30"]
[White "Bellia, Fabrizio"]
[Black "Schatz, Dieter"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2433"]
[BlackElo "2113"]
[Annotator "NA"]
[PlyCount "71"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 4. e5 {[%emt 0:00:02]} c5 {[%emt 0:00:03]} 5. a3 {[%emt 0:00:05]} Bxc3+ {[%emt 0:00:06]} 6. bxc3 {[%emt 0:00:04]} Ne7 {[%emt 0:00:06]} 7. h4 {[%emt 0:01:56]} Qa5 {[%emt 0:02:59]} 8. Bd2 {[%emt 0:00:26]} Qa4 {[%emt 0:02:53]} 9. Nf3 {[%emt 0:04:58]} c4 {[%emt 0:02:16]} 10. h5 {[%emt 0:00:53]} h6 {[%emt 0:01:49]} 11. Nh4 {[%emt 0:06:22]} Nbc6 {[%emt 0:04:08]} 12. g3 {[%emt 0:03:52]} Bd7 {[%emt 0:01:17]} 13. Bh3 {[%emt 0:00:31]} O-O-O {[%emt 0:00:24]} 14. O-O {[%emt 0:00:27]} Rdg8 {[%emt 0:07:07]} 15. Ng2 {[%emt 0:01:54]} g5 {[%emt 0:20:01]} 16. Ne3 {[%emt 0:00:44]} Nb8 {[%emt 0:04:21]} 17. Ng4 {[%emt 0:05:22]} Bc6 {[%emt 0:02:40]} 18. Nf6 {[%emt 0:00:46]} Rf8 {[%emt 0:01:20]} 19. f4 {[%emt 0:00:43]} gxf4 {[%emt 0:00:53]} 20. Bxf4 {[%emt 0:01:05]} Nd7 {[%emt 0:02:43]} 21. Qd2 {[%emt 0:00:48]} Ng8 {[%emt 0:05:56]} 22. Ng4 {[%emt 0:07:44]} f5 {[%emt 0:05:21]} 23. exf6 {[%emt 0:01:52]} Ngxf6 {[%emt 0:04:55]} 24. Nxf6 {[%emt 0:00:23]} Rxf6 {[%emt 0:00:10]} 25. Bd6 {[%emt 0:00:27]} b6 {[%emt 0:08:18]} 26. Be7 {[%emt 0:07:40]} Rxf1+ {[%emt 0:03:42]} 27. Rxf1 {[%emt 0:00:08]} Re8 {[%emt 0:02:04]} 28. Rf7 {[%emt 0:00:38]} Kb7 {[%emt 0:00:26]} 29. Bxe6 {[%emt 0:00:55]} Ka6 {[%emt 0:00:14]} 30. Bf5 {[%emt 0:01:24]} Qb5 {[%emt 0:04:24]} 31. Bb4 {[%emt 0:06:43]} Nc5 {[%emt 0:02:52]} 32. dxc5 {[%emt 0:00:07]} bxc5 {[%emt 0:00:05]} 33. Qf2 {[%emt 0:00:27]} d4 {[%emt 0:01:33]} 34. cxd4 {[%emt 0:07:19]} cxb4 {[%emt 0:00:18]} 35. d5 {[%emt 0:00:08]} Bb7 {[%emt 0:00:08]} 36. Rf6+ {[%emt 0:00:18]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.31"]
[White "Yugina, Maria"]
[Black "Smith, Bryan"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2112"]
[BlackElo "2430"]
[Annotator "NA RC"]
[PlyCount "90"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. f4 {[%emt 0:00:00]} c5 {[%emt 0:03:46]} 2. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:19]} 3. g3 Bg7 {[%emt 0:00:07]} 4. Bg2 {[%emt 0:00:33]} d5 {[%emt 0:00:50]} 5. O-O {[%emt 0:00:41]} Nh6 {[%emt 0:00:27]} 6. d3 {[%emt 0:00:53]} d4 {[%emt 0:00:38]} 7. Qe1 {[%emt 0:03:53]} Nc6 {[%emt 0:02:13]} 8. e4 {[%emt 0:09:57]} dxe3 {[%emt 0:01:10]} 9. Qxe3 {[%emt 0:03:25]} Nd4 {[%emt 0:05:35]} 10. Na3 {[%emt 0:13:35]} Nhf5 {[%emt 0:08:30]} 11. Qe1 {[%emt 0:01:52]} Nxf3+ {[%emt 0:04:20]} 12. Rxf3 {[%emt 0:01:32]} h5 {[%emt 0:02:22]} 13. Nc4 {[%emt 0:16:32]} h4 {[%emt 0:07:33]} 14. Ne5 {[%emt 0:04:30]} hxg3 {[%emt 0:04:40]} 15. hxg3 {[%emt 0:04:23]} Be6 {[%emt 0:03:55]} 16. Nxg6 {[%emt 0:11:22]} Bd4+ {[%emt 0:04:11]} 17. Kf1 {[%emt 0:00:37]} Rg8 {[%emt 0:02:00]} 18. Nh4 {[%emt 0:04:34]} Nxh4 {[%emt 0:00:41]} 19. gxh4 {[%emt 0:00:12]} Qd7 {[%emt 0:01:47]} 20. Rg3 {[%emt 0:06:15]} O-O-O {[%emt 0:00:59]} 21. Be3 {[%emt 0:04:08]} Bd5 {[%emt 0:05:36]} 22. Bxd4 {[%emt 0:02:38]} cxd4 {[%emt 0:02:23]} 23. Bh3 {[%emt 0:02:10]} e6 {[%emt 0:01:30]} 24. Qf2 {[%emt 0:00:55]} Qe7 {[%emt 0:03:12]} 25. Rg5 {[%emt 0:00:35]} Kb8 {[%emt 0:01:07]} 26. Re1 {[%emt 0:01:26]} Qb4 {[%emt 0:06:11]} 27. b3 {[%emt 0:00:41]} Qd6 {[%emt 0:00:36]} 28. Qg3 {[%emt 0:01:22]} Rxg5 {[%emt 0:01:58]} 29. Qxg5 {[%emt 0:00:07]} Ka8 {[%emt 0:03:03]} 30. h5 {[%emt 0:00:35]} f6 {[%emt 0:00:48]} 31. Qh4 {[%emt 0:02:06]} a6 {[%emt 0:00:17]} 32. Re2 {[%emt 0:00:13]} e5 {[%emt 0:03:01]} 33. f5 {[%emt 0:02:37]} Qc6 {[%emt 0:02:22]} 34. Bg2 {[%emt 0:00:24]} Bxg2+ {[%emt 0:00:16]} 35. Rxg2 {[%emt 0:00:03]} Qf3+ {[%emt 0:00:28]} 36. Kg1 {[%emt 0:01:17]} Rh8 {[%emt 0:02:33]} 37. Qxf6 {[%emt 0:00:49]} Qd1+ {[%emt 0:02:20]} 38. Kf2 {[%emt 0:00:27]} Qxc2+ {[%emt 0:00:27]} 39. Kg1 {[%emt 0:00:32]} Qc1+ {[%emt 0:00:29]} 40. Kf2 {[%emt 0:01:18]} Qe3+ {[%emt 0:00:42]} 41. Kf1 {[%emt 0:30:03]} Qxd3+ {[%emt 0:30:45]} 42. Re2 {[%emt 0:00:00]} Qf3+ {[%emt 0:00:00]} 43. Ke1 {[%emt 0:00:00]} Rg8 {[%emt 0:00:00]} 44. Rxe5 {[%emt 0:00:00]} Rg1+ {[%emt 0:00:00]} 45. Kd2 {[%emt 0:00:00]} Qd1# {[%emt 0:00:00]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.32"]
[White "Braeuer, Franz"]
[Black "Freundorfer, Josef"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2429"]
[BlackElo "2111"]
[Annotator "NA RC"]
[PlyCount "101"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:02:36]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:30]} exd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:04]} Bc5 {[%emt 0:00:17]} 5. Nb3 {[%emt 0:00:18]} Bb6 {[%emt 0:00:49]} 6. Nc3 {[%emt 0:00:06]} Qf6 {[%emt 0:01:56]} 7. Qe2 {[%emt 0:00:52]} Nge7 {[%emt 0:06:14]} 8. h4 {[%emt 0:04:08]} h6 {[%emt 0:02:07]} 9. g4 {[%emt 0:02:49]} Nd4 {[%emt 0:11:13]} 10. Nxd4 {[%emt 0:00:11]} Bxd4 {[%emt 0:00:18]} 11. Bd2 {[%emt 0:06:29]} Qb6 {[%emt 0:03:13]} 12. O-O-O {[%emt 0:10:06]} d6 {[%emt 0:03:51]} 13. f4 {[%emt 0:05:40]} Bd7 {[%emt 0:03:55]} 14. Qf3 {[%emt 0:06:07]} O-O-O {[%emt 0:05:37]} 15. Bc4 {[%emt 0:00:08]} Rhf8 {[%emt 0:02:38]} 16. Bb3 {[%emt 0:07:34]} Bc6 {[%emt 0:02:21]} 17. Rhe1 {[%emt 0:12:46]} Kb8 {[%emt 0:06:38]} 18. Be3 {[%emt 0:03:01]} Bxe3+ {[%emt 0:00:37]} 19. Rxe3 {[%emt 0:00:02]} Rde8 {[%emt 0:07:42]} 20. Qg3 {[%emt 0:01:02]} Qc5 {[%emt 0:02:35]} 21. Red3 {[%emt 0:06:03]} a6 {[%emt 0:01:41]} 22. g5 {[%emt 0:04:28]} hxg5 {[%emt 0:01:50]} 23. hxg5 {[%emt 0:00:01]} Ng6 {[%emt 0:06:12]} 24. Bd5 {[%emt 0:00:39]} Re7 {[%emt 0:01:13]} 25. Rd4 {[%emt 0:03:52]} Bxd5 {[%emt 0:04:13]} 26. Nxd5 {[%emt 0:00:49]} Ree8 {[%emt 0:01:31]} 27. a3 {[%emt 0:01:15]} Ne7 {[%emt 0:01:18]} 28. Nc3 {[%emt 0:01:12]} Nc6 {[%emt 0:01:04]} 29. Rd5 {[%emt 0:00:21]} Qb6 {[%emt 0:01:26]} 30. Kb1 {[%emt 0:01:26]} Ne7 {[%emt 0:01:14]} 31. R5d2 {[%emt 0:01:17]} Rh8 {[%emt 0:01:19]} 32. Re2 {[%emt 0:04:17]} Qc5 {[%emt 0:02:59]} 33. Qg4 {[%emt 0:01:55]} Qc6 {[%emt 0:05:43]} 34. Ree1 {[%emt 0:06:38]} Ng6 {[%emt 0:02:53]} 35. Rh1 {[%emt 0:01:17]} Ne7 {[%emt 0:01:02]} 36. Qg2 {[%emt 0:02:34]} Ng6 {[%emt 0:01:51]} 37. Qf2 {[%emt 0:00:12]} Qd7 {[%emt 0:00:58]} 38. Rxh8 {[%emt 0:01:13]} Rxh8 {[%emt 0:00:19]} 39. e5 {[%emt 0:01:41]} Rh4 {[%emt 0:01:03]} 40. Ne2 {[%emt 0:03:36]} Qf5 {[%emt 0:05:42]} 41. exd6 {[%emt 0:01:23]} cxd6 {[%emt 0:00:34]} 42. Qb6 {[%emt 0:05:32]} Qc5 {[%emt 0:02:30]} 43. Qxc5 {[%emt 0:16:30]} dxc5 {[%emt 0:00:48]} 44. f5 {[%emt 0:00:02]} Ne5 {[%emt 0:06:59]} 45. Rd5 {[%emt 0:00:02]} Re4 {[%emt 0:00:32]} 46. Nc3 {[%emt 0:02:12]} Re1+ {[%emt 0:00:13]} 47. Ka2 {[%emt 0:00:02]} b6 {[%emt 0:00:17]} 48. Rd8+ {[%emt 0:00:46]} Kb7 {[%emt 0:02:58]} 49. Rg8 {[%emt 0:00:50]} Rf1 {[%emt 0:04:42]} 50. Rxg7 {[%emt 0:01:31]} Rxf5 {[%emt 0:00:23]} 51. b3 {[%emt 0:01:25]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.33"]
[White "Koch, Yannick"]
[Black "Zajogin, Alexander"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2109"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,92,16,12,26,-4,-2,-4,47,58,41,-33,-20,-118,-120,-115,-107,-110,-54,-54,-50,-49,-55,-51,-57,-60,-62,-66,-58,-110,-110,-110,-109,-111,-119,-110,-115,-112,-108,-87,-87,-133,-91,-91,-38,-98,-94,-165,-149,-220,-216,-317,-303,-347,-336,-319,-220,-213,-213,-882,-880,-823,-795,-750,-741,-992,-1241,-1237,-1217,-1120,-870,-1345,-1276,-2242,-2189,-2014,-1768,-2360,-2281,-1976,-1777]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. g3 Nxc5 8. Bg2 Nfe4 {E39: Nimzo-Indian: Classical: 4...c5 5 dxc5 0-0} 9. O-O Bxc3 10. bxc3 Qa5 (10... b6 $11) (10... b6 11. Ng5 d5 12. Nxe4 dxe4 13. Bxe4 Nxe4 14. Qxe4 Ba6 15. Ba3 Re8 16. c5 {½-½ (34) Yu,Y (2738)-Rapport,R (2735) Danzhou 2019}) 11. Nd4 f5 12. Bd2 $146 (12. Be3 $14) ({Predecessor:} 12. Be3 d6 13. f3 Qxc3 14. Qxc3 Nxc3 15. Rfc1 N5a4 16. Bd2 {½-½ (61) Risting,E (2297)-Vea,O (2187) Bergen 2018}) 12... b6 $15 13. f3 (13. Nb3 $11 Qa4 14. Be3) 13... Nxd2 $17 14. Qxd2 {[#]} Ba6 $1 15. Nb3 Qa4 (15... Qa3 $17 16. Qd4 Rac8) 16. Nxc5 $15 bxc5 17. f4 Rab8 18. Rfd1 Rfd8 19. e4 fxe4 ({Much weaker is} 19... Qxc4 20. exf5 Qe2 21. fxe6 $11) 20. Bxe4 Bxc4 21. Qd6 (21. f5 $15) 21... Be2 $17 22. Re1 Qxe4 23. Qd2 Qd3 24. Rxe2 Qxd2 25. Rxd2 {[%mdl 4096] Endgame KRR-KRR} d5 26. Re1 Kf7 27. Re5 Kf6 28. Kf2 g6 ({Better is} 28... c4 $17) 29. g4 ({White should play} 29. c4 $15) 29... c4 30. Ke3 (30. h4 $17 {was necessary.}) 30... Rb1 $19 31. h4 (31. Kf2 $17) 31... Rh1 32. Rb2 (32. Re2 $142) 32... Rxh4 33. Rb7 {[%csl Ge5,Gf4][%cal Rg4g5]} h6 34. Rxa7 Rxg4 {Hoping for ...g5.} 35. Ra6 {[#]} Re8 $1 36. Kf3 $2 {[#]} (36. Rxd5 Rg3+ 37. Ke4) 36... Rxf4+ $1 {[%mdl 576] Remove Defender. Black is clearly winning.} 37. Kxf4 g5+ 38. Rxg5 hxg5+ {KR-KR} 39. Kg4 Rh8 40. a4 Rh1 41. Ra8 Rg1+ 42. Kf3 Rc1 43. a5 Rxc3+ 44. Ke2 Ke5 {Played: Rc3-a3} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.34"]
[White "Morawietz, Dieter"]
[Black "Thiel, Fabian"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "2419"]
[BlackElo "2109"]
[Annotator "NA"]
[PlyCount "68"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 4. Bg5 {[%emt 0:00:11]} Ne4 {[%emt 0:00:00]} 5. Bh4 {[%emt 0:00:09]} Nxc3 {[%emt 0:00:07]} 6. bxc3 {[%emt 0:00:06]} dxc4 {[%emt 0:00:29]} 7. e3 {[%emt 0:00:31]} Be6 {[%emt 0:00:34]} 8. Be2 {[%emt 0:06:58]} Bg7 {[%emt 0:01:02]} 9. Nh3 {[%emt 0:00:21]} c6 {[%emt 0:13:36]} 10. Nf4 {[%emt 0:13:08]} Bd5 {[%emt 0:00:40]} 11. Qb1 {[%emt 0:00:35]} Qc7 {[%emt 0:07:34]} 12. O-O {[%emt 0:08:04]} O-O {[%emt 0:03:59]} 13. Bg3 {[%emt 0:03:11]} e5 {[%emt 0:09:39]} 14. dxe5 {[%emt 0:01:10]} Nd7 {[%emt 0:08:26]} 15. e4 {[%emt 0:06:27]} Be6 {[%emt 0:10:17]} 16. Nxe6 {[%emt 0:00:08]} fxe6 {[%emt 0:00:05]} 17. Bxc4 {[%emt 0:00:09]} Rae8 {[%emt 0:00:08]} 18. f4 {[%emt 0:01:50]} b5 {[%emt 0:00:02]} 19. Be2 {[%emt 0:04:42]} g5 {[%emt 0:00:06]} 20. Bh5 {[%emt 0:07:49]} Rd8 {[%emt 0:01:05]} 21. Bg4 {[%emt 0:05:14]} gxf4 {[%emt 0:10:12]} 22. Bxe6+ {[%emt 0:02:06]} Kh8 {[%emt 0:00:05]} 23. Rxf4 {[%emt 0:04:31]} Bxe5 {[%emt 0:04:26]} 24. Rg4 {[%emt 0:10:34]} Nf6 {[%emt 0:01:04]} 25. Rg5 {[%emt 0:03:14]} Qb6+ {[%emt 0:01:55]} 26. Bf2 {[%emt 0:05:27]} Bxh2+ {[%emt 0:00:22]} 27. Kxh2 {[%emt 0:00:48]} Qxf2 {[%emt 0:00:02]} 28. Qe1 {[%emt 0:06:07]} Qf4+ {[%emt 0:01:22]} 29. Qg3 {[%emt 0:00:10]} Qxg3+ {[%emt 0:00:54]} 30. Rxg3 {[%emt 0:00:06]} Nxe4 {[%emt 0:00:44]} 31. Re3 {[%emt 0:02:10]} Ng5 {[%emt 0:04:36]} 32. Bb3 {[%emt 0:04:26]} Rd2 {[%emt 0:00:57]} 33. Rd1 {[%emt 0:00:44]} Rxd1 {[%emt 0:01:35]} 34. Bxd1 {[%emt 0:00:06]} Kg7 {[%emt 0:02:06]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.35"]
[White "Schnicke, Robert"]
[Black "Meins, Gerlef"]
[Result "0-1"]
[ECO "B62"]
[WhiteElo "2108"]
[BlackElo "2415"]
[Annotator "NA"]
[PlyCount "72"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:01:08]} 2. Nf3 {[%emt 0:00:16]} Nc6 {[%emt 0:00:13]} 3. d4 {[%emt 0:00:23]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:20]} Nf6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:19]} d6 {[%emt 0:00:39]} 6. Bg5 {[%emt 0:02:12]} e6 {[%emt 0:00:24]} 7. h3 {[%emt 0:08:16]} Be7 {[%emt 0:06:43]} 8. Qd2 {[%emt 0:05:23]} Nxe4 {[%emt 0:23:36]} 9. Nxe4 {[%emt 0:05:21]} Bxg5 {[%emt 0:00:34]} 10. Nxg5 {[%emt 0:07:51]} Nxd4 {[%emt 0:00:40]} 11. Ne4 {[%emt 0:03:25]} Nf5 {[%emt 0:06:24]} 12. g4 {[%emt 0:08:16]} d5 {[%emt 0:01:31]} 13. gxf5 {[%emt 0:01:36]} dxe4 {[%emt 0:00:49]} 14. Qb4 {[%emt 0:10:08]} Qe7 {[%emt 0:11:51]} 15. Bb5+ {[%emt 0:01:08]} Kf8 {[%emt 0:00:33]} 16. Qd4 {[%emt 0:07:57]} exf5 {[%emt 0:05:40]} 17. Rg1 {[%emt 0:02:31]} Rg8 {[%emt 0:01:05]} 18. O-O-O {[%emt 0:01:52]} Be6 {[%emt 0:00:17]} 19. Kb1 {[%emt 0:02:23]} g6 {[%emt 0:01:38]} 20. Rg3 {[%emt 0:01:43]} a6 {[%emt 0:02:48]} 21. Be2 {[%emt 0:01:08]} Rc8 {[%emt 0:01:55]} 22. Rc3 {[%emt 0:01:06]} Rxc3 {[%emt 0:01:41]} 23. Qxc3 {[%emt 0:00:05]} f6 {[%emt 0:01:51]} 24. Bc4 {[%emt 0:01:31]} Bxc4 {[%emt 0:00:51]} 25. Qxc4 {[%emt 0:00:26]} Kg7 {[%emt 0:00:45]} 26. Qb3 {[%emt 0:02:40]} Rc8 {[%emt 0:02:07]} 27. h4 {[%emt 0:01:41]} Rc7 {[%emt 0:01:21]} 28. Qd5 {[%emt 0:02:25]} Qc5 {[%emt 0:10:35]} 29. Qxc5 {[%emt 0:02:55]} Rxc5 {[%emt 0:00:08]} 30. Rd7+ {[%emt 0:00:09]} Kh6 {[%emt 0:00:07]} 31. Rxb7 {[%emt 0:00:06]} f4 {[%emt 0:00:39]} 32. Re7 {[%emt 0:02:38]} e3 {[%emt 0:04:46]} 33. f3 {[%emt 0:00:35]} Re5 {[%emt 0:04:22]} 34. Rxe5 {[%emt 0:00:08]} fxe5 {[%emt 0:00:05]} 35. Kc1 {[%emt 0:00:10]} g5 {[%emt 0:00:13]} 36. hxg5+ {[%emt 0:00:20]} Kxg5 {[%emt 0:00:08]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.36"]
[White "Badelka, Olga"]
[Black "Schrems, Hermann"]
[Result "1-0"]
[ECO "D82"]
[WhiteElo "2413"]
[BlackElo "2108"]
[Annotator "NA"]
[PlyCount "91"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:21]} g6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:18]} d5 {[%emt 0:00:05]} 4. Bf4 {[%emt 0:00:23]} Bg7 {[%emt 0:01:05]} 5. e3 {[%emt 0:00:06]} c5 {[%emt 0:00:16]} 6. dxc5 {[%emt 0:01:13]} Qa5 {[%emt 0:00:15]} 7. Rc1 {[%emt 0:01:59]} Ne4 {[%emt 0:01:32]} 8. Nge2 {[%emt 0:22:56]} dxc4 {[%emt 0:02:59]} 9. Qa4+ {[%emt 0:00:50]} Qxa4 {[%emt 0:03:46]} 10. Nxa4 {[%emt 0:00:04]} Nc6 {[%emt 0:03:15]} 11. Rxc4 {[%emt 0:01:40]} f5 {[%emt 0:00:16]} 12. f3 {[%emt 0:04:08]} Be6 {[%emt 0:04:03]} 13. Rc1 {[%emt 0:01:16]} Nf6 {[%emt 0:01:20]} 14. Nec3 {[%emt 0:02:07]} O-O {[%emt 0:04:10]} 15. Bb5 {[%emt 0:02:45]} Nb4 {[%emt 0:00:18]} 16. a3 {[%emt 0:05:03]} Nbd5 {[%emt 0:02:21]} 17. Nxd5 {[%emt 0:01:57]} Nxd5 {[%emt 0:00:08]} 18. Bc4 {[%emt 0:03:43]} Nxf4 {[%emt 0:00:16]} 19. exf4 {[%emt 0:00:05]} Bxc4 {[%emt 0:00:06]} 20. Rxc4 {[%emt 0:00:03]} Rfd8 {[%emt 0:00:09]} 21. Ke2 {[%emt 0:02:07]} e5 {[%emt 0:06:21]} 22. fxe5 {[%emt 0:02:04]} Bxe5 {[%emt 0:00:19]} 23. f4 {[%emt 0:01:39]} Bc7 {[%emt 0:04:37]} 24. Nc3 {[%emt 0:02:39]} Rd7 {[%emt 0:02:58]} 25. Rd1 {[%emt 0:00:48]} Re8+ {[%emt 0:00:27]} 26. Kf3 {[%emt 0:00:48]} Rxd1 {[%emt 0:01:32]} 27. Nxd1 {[%emt 0:00:04]} Kf7 {[%emt 0:00:12]} 28. Ne3 {[%emt 0:03:07]} Rd8 {[%emt 0:00:13]} 29. Ra4 {[%emt 0:00:50]} a6 {[%emt 0:04:17]} 30. Rb4 {[%emt 0:00:16]} Rb8 {[%emt 0:00:02]} 31. g3 {[%emt 0:06:50]} Ke6 {[%emt 0:00:26]} 32. h3 {[%emt 0:06:04]} Bd8 {[%emt 0:02:44]} 33. Rd4 {[%emt 0:04:04]} Be7 {[%emt 0:01:26]} 34. Rc4 {[%emt 0:02:11]} b5 {[%emt 0:03:40]} 35. Rc2 {[%emt 0:02:30]} Rd8 {[%emt 0:05:25]} 36. b4 {[%emt 0:01:32]} Rd7 {[%emt 0:00:07]} 37. g4 {[%emt 0:02:31]} Bd8 {[%emt 0:00:57]} 38. gxf5+ {[%emt 0:01:14]} gxf5 {[%emt 0:00:21]} 39. c6 {[%emt 0:01:12]} Rf7 {[%emt 0:03:49]} 40. Rc5 {[%emt 0:04:11]} Bc7 {[%emt 0:00:07]} 41. Rd5 {[%emt 0:32:10]} Bd6 {[%emt 0:32:51]} 42. Rd1 {[%emt 0:00:07]} Rc7 {[%emt 0:00:17]} 43. Nxf5 {[%emt 0:00:45]} Be5 {[%emt 0:04:42]} 44. Re1 {[%emt 0:00:40]} Kxf5 {[%emt 0:00:02]} 45. Rxe5+ {[%emt 0:00:04]} Kf6 {[%emt 0:00:11]} 46. Rc5 {[%emt 0:00:03]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.37"]
[White "Parvanyan, Alfred"]
[Black "Zysk, Robert"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2107"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,12,14,0,16,-6,-5,-12,14,2,14,0,0,-10,24,10,2,10,47,0,0,0,0,-1,0,0,0,0,0,-35,-31,-78,-78,-78,-85,-77,-77,-68,-83,-75,-78,-79,-83,-153,-147,-1272,-1259,-1429,-1429,-1406,-1408,-1406,-1406,-1368,-1333,-1273,-989,-5189,-1818,-29975,-29976,-29976,-29975,-29971,-29960,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29987,-29988,-29988,-29989,-29993,-29994,-29994,-29995,-29995,-29996,-29996,-29997]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. d3 e6 6. h3 {A07: Réti Opening: New York and Capablanca Systems} (6. Nbd2 Bd6 7. b3 Ne7 8. Bb2 O-O 9. c4 Nb8 {½-½ (9) Malakhov,V (2662)-Dreev,A (2661) Mali Losinj 2019}) 6... Bh5 7. Qe1 Bc5 8. e4 {The position is equal.} dxe4 9. dxe4 Qc7 10. Bf4 $146 ({Predecessor:} 10. Kh1 Bxf3 11. Bxf3 h5 12. Bg2 h4 13. g4 e5 14. b4 {0-1 (65) Parkhov,Y (2407)-Deutsch,E (2342) Jerusalem 2017}) 10... e5 11. Bc1 Bxf3 12. Bxf3 Ngf6 13. Nd2 h5 14. Nb3 h4 15. Nxc5 Nxc5 {[%cal Bd7c5,Bc5e6,Be6f4][%mdl 32]} 16. Kg2 Ne6 17. Be3 O-O-O 18. c3 g5 19. Rh1 Rdg8 20. Qe2 hxg3 21. fxg3 {[#]} Nf4+ $1 {[%mdl 512]} 22. gxf4 gxf4+ {[%mdl 64] Discovered Attack} 23. Bg4+ Nxg4 24. hxg4 Rxh1 25. Rxh1 fxe3 $15 {[%mdl 4096] Endgame KQR-KQR} 26. Rh3 (26. Qf3 $142) 26... Qd7 $17 27. Qxe3 $2 {[%mdl 8192]} (27. Rh4 $17) 27... Qxg4+ $19 28. Rg3 Qxg3+ 29. Qxg3 Rxg3+ 30. Kxg3 {KP-KP} Kd7 31. Kg4 Ke7 32. Kh5 f6 33. a4 c5 34. b3 a5 {Black mates.} 35. Kh4 Ke6 36. Kg4 {[#]} f5+ $1 {[%mdl 512]} 37. exf5+ Kf6 38. Kg3 Kxf5 39. Kf3 e4+ 40. Ke3 Ke5 41. Kd2 Kf4 42. Ke2 e3 43. Ke1 Kf3 44. Kf1 e2+ 45. Ke1 Ke3 46. b4 axb4 47. cxb4 c4 {Accuracy: White = 34%, Black = 80%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.38"]
[White "Gschnitzer, Adrian"]
[Black "Proschmann, Tino"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2412"]
[BlackElo "2106"]
[Annotator "NA"]
[PlyCount "67"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:04:54]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:07]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:24]} 5. Nc3 {[%emt 0:00:08]} Qc7 {[%emt 0:00:12]} 6. Be3 {[%emt 0:00:13]} a6 {[%emt 0:00:16]} 7. Bd3 {[%emt 0:00:43]} Nf6 {[%emt 0:00:59]} 8. O-O {[%emt 0:00:25]} Nxd4 {[%emt 0:00:23]} 9. Bxd4 {[%emt 0:00:15]} Bc5 {[%emt 0:00:07]} 10. Be2 {[%emt 0:01:44]} d6 {[%emt 0:02:45]} 11. a4 {[%emt 0:05:11]} Bd7 {[%emt 0:05:38]} 12. f4 {[%emt 0:07:37]} Qb6 {[%emt 0:11:42]} 13. Bxc5 {[%emt 0:00:25]} Qxc5+ {[%emt 0:00:21]} 14. Kh1 {[%emt 0:00:19]} Bc6 {[%emt 0:07:38]} 15. Bf3 {[%emt 0:00:30]} O-O {[%emt 0:08:05]} 16. Qe1 {[%emt 0:11:34]} Rad8 {[%emt 0:15:58]} 17. Rd1 {[%emt 0:10:48]} Rfe8 {[%emt 0:18:43]} 18. Rf2 {[%emt 0:05:58]} d5 {[%emt 0:13:04]} 19. Rfd2 {[%emt 0:00:38]} dxe4 {[%emt 0:04:37]} 20. Rxd8 {[%emt 0:07:23]} exf3 {[%emt 0:00:11]} 21. Rxe8+ {[%emt 0:01:01]} Nxe8 {[%emt 0:00:19]} 22. h3 {[%emt 0:00:32]} h6 {[%emt 0:06:03]} 23. Kh2 {[%emt 0:01:26]} fxg2 {[%emt 0:00:37]} 24. Rd3 {[%emt 0:05:22]} Nf6 {[%emt 0:00:51]} 25. Qe3 {[%emt 0:01:59]} Qb4 {[%emt 0:01:31]} 26. Rd8+ {[%emt 0:00:55]} Kh7 {[%emt 0:00:07]} 27. Qd3+ {[%emt 0:00:02]} g6 {[%emt 0:01:10]} 28. Qd4 {[%emt 0:00:07]} Qe7 {[%emt 0:01:29]} 29. b4 {[%emt 0:02:08]} Kg7 {[%emt 0:00:39]} 30. b5 {[%emt 0:00:56]} axb5 {[%emt 0:00:02]} 31. axb5 {[%emt 0:00:04]} Bd5 {[%emt 0:00:17]} 32. Qb6 {[%emt 0:04:29]} Qb4 {[%emt 0:00:24]} 33. Qd6 {[%emt 0:00:42]} Qd4 {[%emt 0:00:13]} 34. Qf8+ {[%emt 0:00:07]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.39"]
[White "Astengo, Corrado"]
[Black "Manu David Suthandram R"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2105"]
[BlackElo "2403"]
[Annotator "NA"]
[PlyCount "59"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:00]} e5 {[%emt 0:00:09]} 5. Nb5 {[%emt 0:00:11]} d6 {[%emt 0:00:08]} 6. N1c3 {[%emt 0:00:53]} a6 {[%emt 0:00:07]} 7. Na3 {[%emt 0:00:07]} Be6 {[%emt 0:00:05]} 8. Nc4 {[%emt 0:01:19]} Nf6 {[%emt 0:00:17]} 9. Bg5 {[%emt 0:01:14]} Nd4 {[%emt 0:00:07]} 10. Bd3 {[%emt 0:02:20]} Be7 {[%emt 0:01:24]} 11. Bxf6 {[%emt 0:02:56]} Bxf6 {[%emt 0:00:14]} 12. Ne3 {[%emt 0:00:13]} Bg5 {[%emt 0:00:37]} 13. Ncd5 {[%emt 0:01:27]} O-O {[%emt 0:02:15]} 14. O-O {[%emt 0:02:56]} Rc8 {[%emt 0:07:46]} 15. c3 {[%emt 0:03:30]} Nc6 {[%emt 0:00:07]} 16. Qe2 {[%emt 0:03:20]} Ne7 {[%emt 0:02:15]} 17. Bc4 {[%emt 0:04:06]} Bxe3 {[%emt 0:04:45]} 18. Nxe3 Qc7 {[%emt 0:05:18]} 19. Bb3 {[%emt 0:05:07]} Qc6 20. Qd3 {[%emt 0:06:50]} Rfd8 {[%emt 0:07:45]} 21. Rad1 {[%emt 0:02:32]} Qb6 {[%emt 0:07:16]} 22. Qc2 a5 {[%emt 0:13:40]} 23. Rd2 {[%emt 0:05:14]} Rc5 {[%emt 0:10:35]} 24. Rfd1 {[%emt 0:01:26]} Qc6 {[%emt 0:02:51]} 25. Nd5 {[%emt 0:00:53]} Bxd5 {[%emt 0:06:14]} 26. Bxd5 {[%emt 0:01:57]} Nxd5 {[%emt 0:02:48]} 27. Rxd5 Rxd5 {[%emt 0:02:55]} 28. Rxd5 {[%emt 0:00:33]} b6 {[%emt 0:00:04]} 29. Qd3 f6 30. Qd1 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.40"]
[White "Miller, Eduard"]
[Black "Hallmann, Norbert"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2402"]
[BlackElo "2105"]
[Annotator "NA RC"]
[PlyCount "91"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:01:24]} f5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:09]} e6 {[%emt 0:00:07]} 4. Nf3 {[%emt 0:02:06]} Be7 {[%emt 0:00:39]} 5. d5 {[%emt 0:04:08]} d6 {[%emt 0:08:18]} 6. dxe6 {[%emt 0:04:43]} Bxe6 {[%emt 0:00:18]} 7. Nd4 {[%emt 0:00:37]} Bd7 {[%emt 0:00:49]} 8. g3 {[%emt 0:00:26]} Nc6 {[%emt 0:01:10]} 9. Bg2 {[%emt 0:00:12]} O-O {[%emt 0:01:03]} 10. O-O {[%emt 0:00:29]} Qe8 {[%emt 0:02:17]} 11. Re1 {[%emt 0:15:15]} Qh5 {[%emt 0:09:19]} 12. Ndb5 {[%emt 0:09:17]} Rac8 {[%emt 0:08:15]} 13. c5 {[%emt 0:05:01]} dxc5 {[%emt 0:08:19]} 14. Nd5 {[%emt 0:05:05]} Nxd5 {[%emt 0:03:35]} 15. Qxd5+ {[%emt 0:09:23]} Qf7 {[%emt 0:00:34]} 16. Nxa7 {[%emt 0:02:24]} Be6 {[%emt 0:14:54]} 17. Nxc6 {[%emt 0:00:19]} Bxd5 {[%emt 0:00:35]} 18. Bxd5 {[%emt 0:00:07]} bxc6 {[%emt 0:00:16]} 19. Bxf7+ {[%emt 0:00:06]} Kxf7 {[%emt 0:00:15]} 20. e4 {[%emt 0:02:54]} fxe4 {[%emt 0:01:57]} 21. Rxe4 {[%emt 0:01:12]} Rb8 {[%emt 0:03:17]} 22. a4 {[%emt 0:08:12]} Rb4 {[%emt 0:07:11]} 23. Rxb4 {[%emt 0:01:03]} cxb4 {[%emt 0:00:06]} 24. b3 {[%emt 0:05:03]} Bf6 {[%emt 0:07:16]} 25. Ra2 {[%emt 0:06:28]} Rd8 {[%emt 0:04:59]} 26. Kg2 {[%emt 0:00:16]} Rd3 {[%emt 0:01:56]} 27. a5 {[%emt 0:00:19]} Bd4 {[%emt 0:02:38]} 28. Rd2 {[%emt 0:05:19]} Rxd2 {[%emt 0:00:19]} 29. Bxd2 {[%emt 0:00:05]} c5 {[%emt 0:08:50]} 30. a6 {[%emt 0:00:09]} c4 {[%emt 0:00:13]} 31. bxc4 {[%emt 0:00:11]} b3 {[%emt 0:00:08]} 32. Bc1 {[%emt 0:00:12]} g6 {[%emt 0:01:48]} 33. Bb2 {[%emt 0:08:52]} Ba7 {[%emt 0:01:29]} 34. f4 {[%emt 0:00:43]} Ke6 {[%emt 0:00:28]} 35. g4 {[%emt 0:00:54]} Kd6 {[%emt 0:01:06]} 36. f5 {[%emt 0:00:17]} gxf5 {[%emt 0:00:34]} 37. gxf5 {[%emt 0:00:04]} Kc6 {[%emt 0:00:49]} 38. f6 {[%emt 0:00:21]} Bc5 {[%emt 0:00:41]} 39. f7 {[%emt 0:00:14]} Bf8 {[%emt 0:01:00]} 40. Bd4 {[%emt 0:01:08]} b2 {[%emt 0:00:31]} 41. Bxb2 {[%emt 0:30:05]} Kb6 {[%emt 0:30:09]} 42. Kf3 {[%emt 0:00:07]} Kxa6 {[%emt 0:00:22]} 43. Ke4 {[%emt 0:00:05]} Kb7 {[%emt 0:00:00]} 44. Kd5 {[%emt 0:00:00]} c6+ {[%emt 0:00:00]} 45. Ke6 {[%emt 0:00:00]} Kc8 {[%emt 0:00:00]} 46. Be5 {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.41"]
[White "Ries, Berthold"]
[Black "Wolf, Vincent"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1854"]
[BlackElo "1491"]
[Annotator "NA RC"]
[PlyCount "120"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 4. f4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:05]} 5. Nf3 {[%emt 0:00:11]} O-O {[%emt 0:00:08]} 6. Bd3 {[%emt 0:00:13]} a6 {[%emt 0:01:03]} 7. a4 {[%emt 0:00:55]} Nc6 {[%emt 0:00:08]} 8. O-O {[%emt 0:01:36]} Bg4 {[%emt 0:00:16]} 9. Be3 {[%emt 0:05:26]} Nh5 {[%emt 0:00:42]} 10. Be2 {[%emt 0:03:52]} e5 {[%emt 0:05:36]} 11. fxe5 {[%emt 0:00:43]} dxe5 {[%emt 0:00:16]} 12. d5 {[%emt 0:04:08]} Ne7 {[%emt 0:01:52]} 13. h3 {[%emt 0:10:05]} Bd7 {[%emt 0:01:11]} 14. Nh2 {[%emt 0:14:09]} Ng3 {[%emt 0:01:02]} 15. Rf3 {[%emt 0:01:23]} Nxe2+ {[%emt 0:00:14]} 16. Qxe2 {[%emt 0:00:34]} f5 {[%emt 0:00:55]} 17. Bc5 {[%emt 0:08:26]} b6 {[%emt 0:03:26]} 18. Ba3 {[%emt 0:03:44]} c5 {[%emt 0:00:23]} 19. dxc6 {[%emt 0:00:53]} Bxc6 {[%emt 0:01:22]} 20. Rd3 {[%emt 0:00:57]} Qc7 {[%emt 0:01:02]} 21. Bd6 {[%emt 0:01:21]} Qb7 {[%emt 0:00:19]} 22. Re1 {[%emt 0:04:37]} fxe4 {[%emt 0:02:29]} 23. Nxe4 {[%emt 0:01:16]} Rf4 {[%emt 0:01:21]} 24. Nc3 {[%emt 0:03:28]} Nd5 {[%emt 0:07:13]} 25. Nxd5 {[%emt 0:04:07]} Bxd5 {[%emt 0:00:29]} 26. Bxe5 {[%emt 0:03:53]} Re4 {[%emt 0:00:34]} 27. Re3 {[%emt 0:02:39]} Bxe5 {[%emt 0:08:57]} 28. Rxe4 {[%emt 0:00:30]} Bxe4 {[%emt 0:00:33]} 29. Qxe4 {[%emt 0:00:24]} Qxe4 {[%emt 0:00:23]} 30. Rxe4 {[%emt 0:00:12]} Bxb2 {[%emt 0:00:05]} 31. Rb4 {[%emt 0:00:28]} Ba3 {[%emt 0:01:27]} 32. Rc4 {[%emt 0:01:29]} Bc5+ {[%emt 0:00:23]} 33. Kf1 {[%emt 0:00:12]} Rf8+ {[%emt 0:00:42]} 34. Nf3 {[%emt 0:00:15]} Re8 {[%emt 0:00:56]} 35. a5 {[%emt 0:00:52]} Ra8 {[%emt 0:02:20]} 36. Ne5 {[%emt 0:02:12]} Rf8+ {[%emt 0:00:35]} 37. Nf3 {[%emt 0:00:10]} Rb8 {[%emt 0:00:36]} 38. Ke2 {[%emt 0:01:04]} Ba3 {[%emt 0:03:59]} 39. Ra4 {[%emt 0:02:49]} Bf8 {[%emt 0:00:44]} 40. c4 {[%emt 0:02:28]} Bc5 {[%emt 0:02:29]} 41. axb6 {[%emt 0:36:11]} Rxb6 {[%emt 0:30:38]} 42. Kd3 {[%emt 0:02:29]} Rb2 {[%emt 0:06:28]} 43. Ke4 {[%emt 0:03:18]} Rxg2 {[%emt 0:01:14]} 44. Rxa6 {[%emt 0:00:15]} Rg3 {[%emt 0:01:25]} 45. h4 {[%emt 0:01:40]} Rg4+ {[%emt 0:03:38]} 46. Kd5 {[%emt 0:01:19]} Bf2 {[%emt 0:00:20]} 47. c5 {[%emt 0:00:45]} Rf4 {[%emt 0:01:15]} 48. c6 {[%emt 0:01:46]} Rf8 {[%emt 0:07:30]} 49. c7 {[%emt 0:02:43]} Bg3 {[%emt 0:02:25]} 50. Ne5 {[%emt 0:00:48]} Re8 {[%emt 0:06:36]} 51. Re6 {[%emt 0:00:55]} Ra8 {[%emt 0:00:24]} 52. Rc6 {[%emt 0:00:00]} Rc8 {[%emt 0:00:00]} 53. Ke6 {[%emt 0:00:00]} Bxe5 {[%emt 0:00:00]} 54. Kxe5 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 55. Kd6 {[%emt 0:00:00]} Kh6 {[%emt 0:00:00]} 56. Rc5 {[%emt 0:00:00]} Rf8 {[%emt 0:00:00]} 57. c8=Q {[%emt 0:00:00]} Rxc8 {[%emt 0:00:00]} 58. Rxc8 {[%emt 0:00:00]} Kh5 {[%emt 0:00:00]} 59. Rc4 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 60. Ke5 {[%emt 0:00:00]} g5 {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.42"]
[White "Walter, Thomas"]
[Black "Piscopo, Pierluigi"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2102"]
[BlackElo "2398"]
[Annotator "NA"]
[PlyCount "46"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:02]} 3. d4 {[%emt 0:00:11]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:03:16]} a6 {[%emt 0:00:09]} 5. Qf3 {[%emt 0:00:53]} Bc5 {[%emt 0:11:52]} 6. Nb3 {[%emt 0:02:18]} Be7 {[%emt 0:00:11]} 7. Nc3 {[%emt 0:00:43]} Nc6 {[%emt 0:01:24]} 8. a3 {[%emt 0:00:22]} Nf6 {[%emt 0:11:29]} 9. Bf4 {[%emt 0:00:49]} d6 {[%emt 0:02:07]} 10. h3 {[%emt 0:08:16]} Qc7 {[%emt 0:13:56]} 11. Be2 {[%emt 0:05:19]} Rb8 {[%emt 0:05:30]} 12. Qg3 {[%emt 0:05:41]} b5 {[%emt 0:07:57]} 13. Rd1 {[%emt 0:06:50]} b4 {[%emt 0:05:18]} 14. Bxd6 {[%emt 0:29:04]} Bxd6 {[%emt 0:06:28]} 15. Rxd6 {[%emt 0:00:04]} bxc3 {[%emt 0:13:44]} 16. Rxe6+ {[%emt 0:00:37]} Kd8 {[%emt 0:00:25]} 17. Qxg7 {[%emt 0:10:25]} Ne8 {[%emt 0:06:05]} 18. Qxh8 {[%emt 0:05:05]} Bxe6 {[%emt 0:00:04]} 19. Qxc3 {[%emt 0:01:42]} Ne5 {[%emt 0:01:49]} 20. Qd2+ {[%emt 0:03:22]} Qd6 {[%emt 0:02:07]} 21. Qa5+ {[%emt 0:04:36]} Qc7 {[%emt 0:00:17]} 22. Qd2+ {[%emt 0:03:42]} Qd6 {[%emt 0:00:13]} 23. Qa5+ {[%emt 0:03:52]} Qc7 {[%emt 0:00:26]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.43"]
[White "Padmini, Rout"]
[Black "Fauth, Dietmar"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2394"]
[BlackElo "2099"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,101,14,17,14,31,18,29,-9,4,-54,32,39,25,19,75,-24,-20,-30,16,-13,-7,-66,-37,-49,-44,-101,-108,-146,-143,-127,-41,-84,-83,-74,-88,-149,-147,-158,-141,-148,-145,-193,-19,-18,-41,-13,-21,-19,-20,-17,0,0,0,0,0,0,0,0,0,0,0,0,253,236,215,0,0,0,0,-14,-14,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 e5 6. Nf3 Be7 7. Bc4 h6 8. Be3 Nf6 9. Qe2 {B56: Classical Sicilian: Unusual Lines} Be6 10. O-O-O $146 ({Predecessor:} 10. O-O O-O 11. Rfd1 a6 12. Nd5 b5 13. Nxf6+ Bxf6 14. Bd5 Qc7 15. c4 Bxd5 16. cxd5 Ne7 17. a4 Qd7 18. axb5 axb5 {½-½ (18) Golubovic,B (2462)-Hulak,K (2534) Sibenik 2005}) 10... O-O 11. h3 {White has an edge.} Rc8 12. Bb3 (12. Kb1 $11) 12... Qa5 (12... Bxb3 $15 13. axb3 Qa5) 13. Kb1 $14 Nb4 {And now ...Nxe4! would win.} 14. a3 Na6 15. Nd5 ({Don't go for} 15. Bxa7 $2 Rxc3 16. Qe1 (16. bxc3 $2 Nc7 $19) 16... Ra8 $19) (15. Nh4 $16) 15... Nxd5 $11 16. exd5 Bd7 17. g4 Nc5 $36 {[%mdl 2048] Black is more active.} 18. Bxc5 (18. Ba2 $1 $11) 18... Qxc5 $15 19. Nd2 f5 20. f4 {[#]} (20. gxf5 $1 $15 Bxf5 21. Ne4 Bxe4 22. Qxe4) 20... Bf6 $1 $17 21. gxf5 {White wants to play Ne4.} exf4 22. Ne4 Qc7 (22... Qb6 $17 23. Rdf1 Be5) 23. Rdf1 Bxf5 {Strongly threatening ...Be5.} 24. Rxf4 Be5 25. Rxf5 (25. Rff1 $142) 25... Rxf5 26. c3 Rcf8 27. Bc2 Qf7 {Hoping for ...Rf1+.} 28. Ka2 Rf1 $2 {[#]} (28... Qh5 $19 29. Qe1 Kh8) 29. Nxd6 $1 $11 {[%mdl 512]} Bxd6 30. Rxf1 Qxf1 31. Qe6+ {[%mdl 64] Double Attack} Qf7 32. Qxd6 {[%mdl 4096] Endgame KQR-KQB} Qf6 33. Qc7 Qf7 34. Qg3 g5 35. h4 Kh8 36. c4 gxh4 $1 37. Qxh4 Qf4 38. Qe7 {[%csl Gc2][%cal Re7h7]} Qf7 $2 {[%mdl 8192]} (38... Qxc4+ $11 {and Black has nothing to worry.} 39. Bb3 Qf4) 39. Qe3 $18 Qf4 {[#]} 40. Qxa7 $2 ({White should try} 40. Qd3 $1 $18 {[%csl Gc2][%cal Rd3h7]} Qf7 41. d6) 40... Qxc4+ $11 {[%mdl 64] Double Attack. The position is equal.} 41. Bb3 Qc7 42. Qe3 Qd6 43. Qd4+ Qf6 44. Qe4 Rd8 45. Bc2 {[%csl Gc2][%cal Re4h7]} Qf7 46. Qe5+ Qg7 47. Qe6 Qf8 48. Qe4 {[%csl Gc2][%cal Re4h7]} Qf7 49. Qe5+ Qg7 50. Qe6 Qf8 51. Qe5+ {Accuracy: White = 38%, Black = 63%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.26"]
[Round "1.44"]
[White "Fehmer, Dirk"]
[Black "Atakisi, Umut"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2099"]
[BlackElo "2393"]
[Annotator "NA"]
[PlyCount "51"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:38]} c5 {[%emt 0:00:10]} 2. c4 {[%emt 0:00:37]} Nc6 {[%emt 0:00:05]} 3. g3 {[%emt 0:00:47]} e5 {[%emt 0:00:36]} 4. Nc3 {[%emt 0:00:58]} g6 {[%emt 0:01:15]} 5. Bg2 {[%emt 0:02:00]} Bg7 {[%emt 0:00:05]} 6. Rb1 {[%emt 0:02:38]} Nge7 {[%emt 0:01:17]} 7. O-O {[%emt 0:03:05]} d6 {[%emt 0:00:27]} 8. a3 {[%emt 0:01:34]} a5 {[%emt 0:06:52]} 9. Ne1 {[%emt 0:05:47]} Be6 {[%emt 0:02:54]} 10. d3 {[%emt 0:03:31]} O-O {[%emt 0:11:28]} 11. Nc2 {[%emt 0:02:30]} d5 {[%emt 0:03:50]} 12. cxd5 {[%emt 0:16:32]} Nxd5 {[%emt 0:02:57]} 13. Ne3 {[%emt 0:05:43]} Nde7 {[%emt 0:13:00]} 14. Bd2 {[%emt 0:05:32]} Rb8 {[%emt 0:12:20]} 15. Nb5 {[%emt 0:20:12]} b6 {[%emt 0:29:45]} 16. b4 {[%emt 0:08:32]} axb4 {[%emt 0:00:24]} 17. axb4 {[%emt 0:00:07]} Nxb4 {[%emt 0:01:29]} 18. Bxb4 {[%emt 0:00:07]} cxb4 {[%emt 0:00:04]} 19. Rxb4 {[%emt 0:00:07]} Bh6 {[%emt 0:05:47]} 20. Nc4 {[%emt 0:05:08]} Nd5 {[%emt 0:00:10]} 21. Rb3 {[%emt 0:01:24]} Bg7 {[%emt 0:01:03]} 22. Qb1 {[%emt 0:01:54]} Qd7 {[%emt 0:01:38]} 23. Nba3 {[%emt 0:04:02]} Qa7 {[%emt 0:00:02]} 24. Nb5 {[%emt 0:01:02]} Qd7 {[%emt 0:00:09]} 25. Nba3 {[%emt 0:01:48]} Qa7 {[%emt 0:00:31]} 26. Nb5 {[%emt 0:00:11]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.1"]
[White "Singer, Christoph"]
[Black "Eljanov, Pavel"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2339"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,58,12,12,12,20,20,27,15,18,20,26,12,23,3,15,0,0,0,0,0,8,0,12,-32,-46,-37,-38,-45,-54,-70,-52,-225,-219,-230,-222,-296,-285,-276,-289,-481,-484,-475,-255,-256,-216,-581,-540,-573,-533]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. O-O {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} e6 8. Qe1 Be7 9. Bf4 {White has an edge.} Qb6 10. Nd2 Nf6 11. Rb1 O-O 12. h3 $146 ({Predecessor:} 12. Ng3 g6 13. f3 Bf5 14. Nxf5 exf5 {0-1 (39) Blomqvist,E (2488)-Andreikin,D (2725) Astana 2019}) 12... Bh5 13. Ng3 (13. Nc1 {looks sharper.} Nd7 14. g4 Bg6 15. Bg3 Na5 16. Qe2) 13... Bg6 14. Bxg6 hxg6 15. Qe2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 16. h4 Qa6 17. Qf3 Nh7 18. Qg4 b5 19. Rfe1 b4 20. Re3 a4 21. a3 $2 ({Better is} 21. Bg5 $15) 21... bxa3 $19 22. bxa3 Bxa3 23. h5 {[#]} f5 $1 {[%cal Rf5g4]} 24. Qf3 ({But not} 24. Qxg6 $2 Rf6 $19) 24... g5 25. Bd6 $2 (25. Ne2 gxf4 26. Rxe6) 25... Bxd6 26. Rxe6 Bxg3 (26... Ne7 $142 27. Rxe7 {[%mdl 64] Remove Defender} Bxe7 28. Nxf5 Kh8) 27. Qxd5 Rad8 28. Qc5 $2 {[#]} (28. Rxc6+ {is more resistant.} Rxd5 29. Rxa6) 28... Qd3 29. fxg3 Nxd4 {Accuracy: White = 45%, Black = 61%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.2"]
[White "Demchenko, Anton"]
[Black "Koepke, Christian"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2655"]
[BlackElo "2332"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,-22,-12,-16,0,-21,0,0,2,0,16,24,34,45,35,-14,14,0,28,33,52,54,47,50,67,51,70,40,57,60,50,37,38,14,22,-18,-20,-16,-18,-45,-38,-66,-43,-50,-43,-66,-93,-80,-90,-83,-83,-98,-108,-108,-118,-110,-110,-134,-142,-233,-233,-243,-227,-323,-337,-323,-277,-270,-263,-252,-251,-236,-174,-172,0]} 1. e4 c6 2. Nf3 d5 3. d3 g6 4. Qe2 Bg7 5. Nbd2 Nf6 6. g3 {B10: Caro-Kann: 2 d3 and 2 c4} O-O 7. e5 $146 ({Predecessor:} 7. Bg2 e5 8. Nxe5 Re8 9. Nef3 dxe4 10. dxe4 Bf5 11. Nh4 Bg4 12. Nhf3 Bf5 13. Nh4 Bg4 14. Nhf3 Bf5 15. Nh4 {½-½ (15) Alekseev,E (2642)-Motylev,A (2649) Berlin 2015}) 7... Ng4 8. h3 {The position is equal.} Nh6 9. Bg2 c5 10. O-O Nc6 11. Nb3 $36 {[%mdl 2048] White is pushing.} b6 12. c4 dxc4 13. dxc4 Qc7 14. Bf4 {[#] And now e6 would win.} Be6 15. g4 Kh8 16. Bg3 Rad8 17. Rae1 a5 18. a4 Nb4 19. Nc1 $1 Qc8 20. b3 Bd7 21. Rd1 Bc6 22. e6 Bxf3 ({But not} 22... Qxe6 $6 23. Qxe6 fxe6 24. Rxd8 $16) 23. Bxf3 fxe6 24. Bg2 Nf7 25. h4 Nc6 26. Bxc6 Qxc6 27. Rde1 e5 28. Na2 {[%cal Bc1a2,Ba2c3,Bc3e4][%mdl 32]} Rd4 29. Nc3 Rfd8 30. Ne4 Rd3 31. Qc2 Qd7 32. f3 h5 33. gxh5 gxh5 34. Re2 (34. Kg2 $17 {is a better defense.}) 34... Qh3 35. Rh2 Qf5 36. Rhf2 (36. Be1 $142) 36... Bh6 $19 37. Kh2 {[#]} Rd2 $1 {[%mdl 512]} 38. Qb1 (38. Nxd2 Qxc2) 38... Rxf2+ 39. Rxf2 Bf4 40. Qe1 Rg8 {...Bxg3+ is the strong threat.} 41. Rg2 Qd7 $2 {Accuracy: White = 60%, Black = 65%.} ({Better is} 41... Nd6 $19 42. Qe2 Bxg3+ 43. Nxg3 Qf4) 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.3"]
[White "Guttenthaler, Franz"]
[Black "Sethuraman, S.P."]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2328"]
[BlackElo "2624"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,96,36,36,19,85,49,84,23,94,53,64,75,71,80,77,77,72,24,58,16,20,16,21,16,17,0,12,-23,15,0,0,0,0,0,0,0,-2,-26,-39,-68,-79,-75,-78,-69,-72,-72,-75,-75,-72,-142,-121,-154,-158,-151,-115,-118,-125,-130,-116,-114,0,-104,-89,-107,-17,-108,-103,-85,0,0,0,-105,-101,-253,-246,-423,-415,-408,-407,-345,-231]} 1. d4 d6 2. c4 e5 3. Nc3 exd4 4. Qxd4 Nf6 5. b3 Nc6 6. Qd2 g6 7. Bb2 Bg7 8. g3 O-O 9. Bg2 Bf5 10. Nh3 {A21: English Opening: 1...e5 2 Nc3} Nh5 $146 (10... d5 $11) ({Predecessor:} 10... Re8 11. Nf4 Ne4 12. Nxe4 Bxe4 13. O-O Bxg2 14. Kxg2 Bxb2 15. Qxb2 Ne5 16. Rad1 Nd7 17. Nd5 {1-0 (43) David,A (2565)-Managadze,N (2459) Chalkida 2009}) 11. Nd5 Ne5 12. Ne3 (12. Nhf4 $16) 12... Be6 (12... Bh6 $11) 13. O-O a5 14. f4 Bxh3 15. Bxh3 Nd7 16. Bxg7 Nxg7 17. Nd5 f5 18. Bg2 Nc5 19. Nc3 c6 20. Kh1 Re8 21. Rab1 Qe7 22. Bf3 Rad8 23. Rfe1 Qe3 24. Qc2 Nge6 25. Nd1 Qd4 26. e3 Qd3 27. Qc1 {[#]} Nd4 $1 $36 {[%cal Rd4f3][%mdl 2624] Pin. Black has some pressure.} 28. Nb2 (28. exd4 Rxe1+) 28... Nxf3 29. Nxd3 Nxd3 30. Qc3 Nfxe1 31. Rxe1 Nxe1 32. Qxe1 $15 {[%mdl 4096] Endgame KQ-KRR} Rd7 33. Qxa5 (33. Kg2 $142) 33... Rxe3 $17 34. Qd2 Re4 35. Kg2 d5 36. cxd5 cxd5 37. Qc3 {Qc8+ is the strong threat.} Ree7 38. Qd4 Re4 39. Qc3 $1 {[%cal Rc3c8] aiming for Qc8+.} Re8 40. Qd4 h6 ({Better is} 40... Re2+ $17 41. Kh3 Rxa2) 41. h3 (41. Qf6 $11 {remains equal.} Kh7 42. g4 Re2+ 43. Kg3) 41... Kh7 42. g4 {[#]} Re4 (42... fxg4 $1 $17 43. hxg4 Re2+ 44. Kf3 Rxa2) 43. Qf6 $1 $11 Rxf4 44. Qe6 {[#]} (44. Kg3 $1 $11 {keeps the balance.} Re4 45. gxf5) 44... Rg7 $1 $17 {White must now prevent ...fxg4.} 45. Qxd5 $2 (45. Kg3 $17 Re4 46. Qxd5) 45... fxg4 $19 46. Kg3 $2 (46. hxg4 Rxg4+ 47. Kh2) 46... Rf5 47. Qe4 gxh3 48. Kxh3 b5 {Accuracy: White = 43%, Black = 53%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.4"]
[White "Gareyev, Timur"]
[Black "Faerber, David"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2591"]
[BlackElo "2332"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:03:54]} 2. e3 {[%emt 0:00:01]} Nf6 {[%emt 0:00:46]} 3. c4 {[%emt 0:00:06]} c6 {[%emt 0:00:09]} 4. b3 {[%emt 0:01:56]} Bf5 {[%emt 0:03:29]} 5. Nh4 {[%emt 0:00:02]} Bg4 {[%emt 0:01:57]} 6. f3 {[%emt 0:00:20]} Bc8 {[%emt 0:04:26]} 7. f4 {[%emt 0:00:12]} g6 {[%emt 0:00:46]} 8. Bb2 {[%emt 0:00:14]} Bg7 {[%emt 0:00:16]} 9. Be2 {[%emt 0:00:36]} O-O {[%emt 0:03:56]} 10. O-O {[%emt 0:00:59]} b6 {[%emt 0:03:37]} 11. Nf3 {[%emt 0:07:33]} Bb7 {[%emt 0:01:39]} 12. Ne5 {[%emt 0:00:23]} Nbd7 {[%emt 0:06:12]} 13. Bf3 {[%emt 0:00:56]} Ne8 {[%emt 0:11:42]} 14. d4 {[%emt 0:02:00]} Nd6 {[%emt 0:11:05]} 15. Nc3 {[%emt 0:00:55]} Nf6 {[%emt 0:03:15]} 16. Qe2 {[%emt 0:04:18]} e6 {[%emt 0:07:44]} 17. Rad1 {[%emt 0:00:02]} Qc7 {[%emt 0:03:37]} 18. Rc1 {[%emt 0:02:22]} Qe7 {[%emt 0:08:03]} 19. Ba3 {[%emt 0:00:19]} Rfc8 {[%emt 0:00:47]} 20. Rfd1 {[%emt 0:01:04]} Qd8 {[%emt 0:03:25]} 21. g4 {[%emt 0:02:41]} Bf8 {[%emt 0:02:50]} 22. Bb2 {[%emt 0:04:18]} Qe7 {[%emt 0:02:12]} 23. Qg2 {[%emt 0:07:25]} Rd8 {[%emt 0:02:08]} 24. h4 {[%emt 0:01:24]} Rac8 {[%emt 0:00:53]} 25. h5 {[%emt 0:00:02]} Bg7 {[%emt 0:01:03]} 26. hxg6 {[%emt 0:01:03]} hxg6 {[%emt 0:00:28]} 27. Ba3 {[%emt 0:00:26]} Qe8 {[%emt 0:04:59]} 28. g5 {[%emt 0:04:31]} Nh7 {[%emt 0:01:24]} 29. Kf2 {[%emt 0:00:31]} Nf5 {[%emt 0:01:45]} 30. Rh1 {[%emt 0:01:48]} c5 {[%emt 0:00:52]} 31. Rh3 {[%emt 0:14:01]} cxd4 {[%emt 0:04:08]} 32. Rch1 {[%emt 0:00:01]} dxe3+ {[%emt 0:00:30]} 33. Kg1 {[%emt 0:01:50]} dxc4 {[%emt 0:00:28]} 34. Rxh7 {[%emt 0:00:41]} e2 {[%emt 0:01:05]} 35. Qxe2 {[%emt 0:00:48]} Bxf3 {[%emt 0:01:09]} 36. Qxf3 {[%emt 0:00:45]} cxb3 {[%emt 0:00:49]} 37. Qh3 {[%emt 0:00:19]} bxa2 {[%emt 0:00:25]} 38. Rxg7+ {[%emt 0:00:10]} Kxg7 {[%emt 0:00:09]} 39. Qh7# {[%emt 0:00:05]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.5"]
[White "Santagati, Alessandro"]
[Black "Azarov, Sergei"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2288"]
[BlackElo "2586"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:00]} c5 {[%emt 0:00:06]} 3. e3 {[%emt 0:01:31]} Nd5 {[%emt 0:00:15]} 4. Bxb8 {[%emt 0:09:31]} Rxb8 {[%emt 0:00:13]} 5. e4 {[%emt 0:03:58]} Nf4 {[%emt 0:31:53]} 6. Qf3 {[%emt 0:18:40]} Ng6 {[%emt 0:01:21]} 7. dxc5 {[%emt 0:06:19]} e6 {[%emt 0:01:41]} 8. Qg3 {[%emt 0:05:32]} Ra8 {[%emt 0:00:32]} 9. h4 {[%emt 0:13:03]} h5 {[%emt 0:10:32]} 10. Nc3 {[%emt 0:07:34]} Bxc5 {[%emt 0:00:20]} 11. Nb5 {[%emt 0:02:40]} O-O {[%emt 0:04:03]} 12. Nc7 {[%emt 0:04:22]} Qf6 {[%emt 0:03:54]} 13. c3 {[%emt 0:06:40]} Rb8 {[%emt 0:00:27]} 14. Nf3 {[%emt 0:01:59]} d6 {[%emt 0:00:43]} 15. Nb5 {[%emt 0:00:58]} e5 {[%emt 0:12:01]} 16. Qg5 {[%emt 0:04:02]} d5 {[%emt 0:09:13]} 17. Qxf6 {[%emt 0:02:04]} gxf6 {[%emt 0:00:05]} 18. exd5 {[%emt 0:00:41]} a6 {[%emt 0:00:42]} 19. b4 {[%emt 0:01:13]} Be7 {[%emt 0:00:45]} 20. d6 {[%emt 0:01:34]} axb5 {[%emt 0:00:21]} 21. dxe7 {[%emt 0:00:04]} Nxe7 {[%emt 0:00:07]} 22. O-O-O {[%emt 0:02:20]} Be6 {[%emt 0:04:30]} 23. Kb2 {[%emt 0:00:55]} Bc4 {[%emt 0:05:38]} 24. Bxc4 {[%emt 0:00:23]} bxc4 {[%emt 0:00:04]} 25. Nd2 {[%emt 0:02:06]} b5 {[%emt 0:01:44]} 26. Ne4 {[%emt 0:00:14]} Rb6 {[%emt 0:00:12]} 27. Rh3 {[%emt 0:01:30]} f5 {[%emt 0:02:38]} 28. Rg3+ {[%emt 0:00:45]} Ng6 {[%emt 0:00:53]} 29. Nc5 {[%emt 0:01:13]} Re8 {[%emt 0:04:53]} 30. Rg5 {[%emt 0:00:20]} Rf6 {[%emt 0:00:48]} 31. Nd7 {[%emt 0:01:18]} Ra6 {[%emt 0:00:17]} 32. Rxf5 {[%emt 0:00:19]} Rea8 {[%emt 0:00:30]} 33. Nf6+ {[%emt 0:00:21]} Kg7 {[%emt 0:01:18]} 34. Nxh5+ {[%emt 0:00:29]} Kh6 {[%emt 0:00:08]} 35. Ra1 {[%emt 0:01:42]} Rd6 {[%emt 0:00:43]} 36. Kc2 {[%emt 0:00:54]} Rad8 {[%emt 0:00:53]} 37. Re1 {[%emt 0:00:19]} Rd2+ {[%emt 0:00:49]} 38. Kb1 {[%emt 0:00:11]} Ra8 {[%emt 0:00:38]} 39. Ng3 {[%emt 0:01:11]} Rdxa2 {[%emt 0:01:39]} 40. Rh5+ {[%emt 0:00:31]} Kg7 {[%emt 0:00:06]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.6"]
[White "Santos Latasa, Jaime"]
[Black "Ludvik, Tomas"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2580"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "190"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,190,32,33,30,35,40,37,28,21,42,46,60,55,110,108,58,19,10,0,7,7,7,7,7,0,3,0,13,0,109,108,108,108,111,111,104,104,108,104,104,104,104,104,104,104,143,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,121,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,68,68,68,68,68,68,68,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,0,90,90,90,90,90,8,74,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,0,8,0,8,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 Bd7 11. b3 Be7 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} (11... a6 12. Bb2 b5 13. Qf3 Rc8 14. Bd3 Be7 15. Rad1 Qc5 16. Rfe1 O-O 17. Qh3 Rfd8 18. Nf3 Qh5 19. Qg3 Qg4 20. Qe5 Bc6 21. h3 {½-½ (21) Antipov,M (2626)-Stojanovic,M (2486) Biel 2018}) 12. Bb2 O-O 13. Qe2 Rfe8 {White is slightly better.} 14. Nf3 $146 ({Predecessor:} 14. Rad1 Qb6 15. Nf3 Red8 16. Ne5 Be8 17. Bd3 Qc7 18. c4 a5 {½-½ (47) Nakar,E (2441)-Bajarani,U (2515) Irving 2019}) 14... Bc6 15. Ne5 Bd5 16. Bd3 b6 ({Black should try} 16... Rad8 $14) 17. Rad1 $16 Qc7 18. Rfe1 Rad8 19. h3 Bb4 20. Ng4 Nxg4 $1 21. Qxg4 {[%csl Gb2][%cal Rg4g7][%mdl 64] Double Attack} ({Much weaker is} 21. hxg4 Bxe1 22. Rxe1 Bb7 $17) 21... Bc3 22. Bxc3 Qxc3 23. Qg3 Qc8 24. Re3 Qb7 (24... Bc6 $11) 25. c4 $36 {[%mdl 2048] aiming for Qh4. Keeping Black busy.} Bc6 {[#]} 26. Bxh7+ $1 {[%mdl 512]} Kf8 (26... Kxh7 27. Qh4+) 27. Red3 Qe7 28. Rxd8 Rxd8 29. Rxd8+ Qxd8 30. Qd3 Qxd3 31. Bxd3 {[%mdl 4096] Endgame KB-KB} Ke7 32. f4 a5 33. a3 Kd6 {[#]} 34. b4 $1 axb4 35. axb4 e5 {[#]} 36. g3 $1 f6 37. h4 Bb7 38. Kf2 exf4 39. gxf4 Bc6 40. Ke3 Bd7 41. Kd4 Be6 42. Bg6 Bg8 43. Be4 Bf7 44. c5+ bxc5+ 45. bxc5+ Kc7 46. Bd5 Bg6 47. Kc4 Bf5 48. Bf7 Bb1 {Strongly threatening ...Ba2+.} 49. Kd4 Kc6 50. Be8+ Kc7 51. Bb5 Bg6 52. Bd3 Bf7 53. Be4 Ba2 54. Ke3 Bb3 55. Kf2 Bd1 56. Kg3 Bh5 57. Bf3 Bf7 58. h5 Be6 59. Be4 Bf7 60. Kh4 Kd7 61. Kg4 Ke6 62. Bg6 Bg8 63. Bc2 {Hoping for Bb3+.} Kd7 64. Ba4+ Ke7 65. h6 gxh6 66. Kh5 Be6 67. Kxh6 Kf7 68. Bc6 Bg4 69. Bd5+ Ke7 70. Kg6 Bc8 71. Be4 Ba6 72. Bf5 Bb7 73. Kg7 Bc6 74. Bc8 Bd5 75. Kg6 Be4+ 76. Bf5 (76. Kh6 $16) 76... Bc6 (76... Bb7 $1 $11 {remains equal.}) 77. Bd3 Bd5 78. Bb5 Be4+ 79. f5 (79. Kg7 $16) 79... Bb7 (79... Bg2 $11) 80. c6 ({Better is} 80. Kh5 $16 {And now c6 would win.} Bf3+ 81. Kh4) 80... Bc8 $11 {The position is equal.} 81. Ba4 Ba6 82. Bb3 {Black must now prevent Be6.} Bb5 83. Bd5 Bd3 84. Be6 {Threatening mate with c7.} Kd6 85. Bd7 Ke7 86. Bc8 Kd6 87. Bb7 Ke5 $1 88. Bc8 Kd6 89. Bd7 Ke7 90. Be6 {Intending c7 and mate.} Kd6 91. Bd5 Kxd5 92. c7 Ba6 {( -> ...Ke5)} 93. Kxf6 {Kg7 would kill now.} Kd6 94. Kg7 {f6 is the strong threat.} Kxc7 95. f6 {Threatens to win with f7.} Bc4 {Accuracy: White = 72%, Black = 67%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.7"]
[White "Koelle, Tobias"]
[Black "Peralta, Fernando"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2281"]
[BlackElo "2569"]
[Annotator "ChessBase"]
[PlyCount "84"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:05:37]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:07]} 3. g3 {[%emt 0:00:00]} d5 {[%emt 0:01:37]} 4. Nf3 {[%emt 0:00:00]} Be7 {[%emt 0:01:23]} 5. Bg2 {[%emt 0:00:09]} O-O {[%emt 0:00:05]} 6. O-O {[%emt 0:00:18]} c6 {[%emt 0:00:04]} 7. Qc2 {[%emt 0:00:49]} b6 {[%emt 0:00:31]} 8. Rd1 {[%emt 0:02:48]} Nbd7 {[%emt 0:04:41]} 9. Bf4 {[%emt 0:03:08]} Ba6 {[%emt 0:00:53]} 10. cxd5 {[%emt 0:10:57]} Nxd5 {[%emt 0:01:42]} 11. Nc3 {[%emt 0:17:38]} Rc8 {[%emt 0:02:48]} 12. Rac1 {[%emt 0:10:07]} Nxf4 {[%emt 0:06:28]} 13. gxf4 {[%emt 0:01:08]} Bb7 {[%emt 0:00:42]} 14. Ne5 {[%emt 0:03:00]} Nb8 {[%emt 0:30:10]} 15. f5 {[%emt 0:07:31]} exf5 {[%emt 0:02:46]} 16. Qxf5 {[%emt 0:00:22]} g6 {[%emt 0:01:46]} 17. Qh3 {[%emt 0:02:00]} Rc7 {[%emt 0:01:17]} 18. Rd2 {[%emt 0:07:38]} Bf6 {[%emt 0:05:32]} 19. Rcd1 {[%emt 0:01:24]} Bg7 {[%emt 0:01:57]} 20. Qg3 {[%emt 0:06:03]} Nd7 {[%emt 0:03:43]} 21. Ne4 {[%emt 0:05:13]} Nf6 {[%emt 0:01:15]} 22. Nxf6+ {[%emt 0:02:44]} Bxf6 {[%emt 0:00:19]} 23. Qb3 {[%emt 0:04:10]} Qc8 {[%emt 0:04:21]} 24. f4 {[%emt 0:04:43]} Bg7 {[%emt 0:03:07]} 25. e4 {[%emt 0:00:44]} Re8 {[%emt 0:05:31]} 26. Nc4 {[%emt 0:02:11]} Bf8 {[%emt 0:07:46]} 27. e5 {[%emt 0:00:24]} Qd8 {[%emt 0:01:35]} 28. Qg3 {[%emt 0:01:52]} Bb4 {[%emt 0:02:15]} 29. Rd3 {[%emt 0:00:36]} Ba6 {[%emt 0:01:32]} 30. b3 {[%emt 0:00:06]} Kh8 {[%emt 0:00:24]} 31. Be4 {[%emt 0:02:08]} Qe7 {[%emt 0:00:48]} 32. Qg2 {[%emt 0:00:36]} Qe6 {[%emt 0:01:19]} 33. Rc1 {[%emt 0:04:05]} Rd8 {[%emt 0:00:46]} 34. Qf2 {[%emt 0:01:14]} f5 {[%emt 0:00:58]} 35. Bg2 {[%emt 0:00:45]} Rcd7 {[%emt 0:00:21]} 36. Rcd1 {[%emt 0:00:15]} Bxc4 {[%emt 0:00:43]} 37. bxc4 {[%emt 0:00:01]} Qxc4 {[%emt 0:00:12]} 38. Kh1 {[%emt 0:00:31]} Bc5 {[%emt 0:01:19]} 39. e6 {[%emt 0:00:41]} Qxe6 {[%emt 0:00:29]} 40. Bf3 {[%emt 0:01:07]} Qf6 {[%emt 0:00:31]} 41. Kg2 {[%emt 0:02:52]} Bxd4 {[%emt 0:03:21]} 42. Qc2 {[%emt 0:00:25]} c5 {[%emt 0:00:11]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.8"]
[White "Idani, Pouya"]
[Black "Dobrikov, Marco"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2568"]
[BlackElo "2291"]
[Annotator "ChessBase"]
[PlyCount "87"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:04:14]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:00]} 4. Qxd4 {[%emt 0:00:06]} e5 {[%emt 0:13:56]} 5. Bb5+ {[%emt 0:01:58]} Nd7 {[%emt 0:00:27]} 6. Qe3 {[%emt 0:03:55]} Ngf6 {[%emt 0:01:01]} 7. O-O {[%emt 0:00:18]} a6 {[%emt 0:00:49]} 8. Be2 {[%emt 0:00:12]} Be7 {[%emt 0:01:21]} 9. c4 {[%emt 0:00:15]} O-O {[%emt 0:00:28]} 10. Nc3 {[%emt 0:00:05]} b6 {[%emt 0:06:13]} 11. Rd1 {[%emt 0:05:01]} Bb7 {[%emt 0:03:47]} 12. b3 {[%emt 0:01:50]} Nc5 {[%emt 0:01:38]} 13. Bd3 {[%emt 0:04:53]} Qc7 {[%emt 0:03:48]} 14. Bb2 {[%emt 0:02:37]} Rac8 {[%emt 0:02:37]} 15. Bc2 {[%emt 0:04:43]} Ne6 {[%emt 0:02:23]} 16. a4 {[%emt 0:03:14]} Bc6 {[%emt 0:11:02]} 17. Rd2 {[%emt 0:06:41]} a5 {[%emt 0:01:02]} 18. Rad1 {[%emt 0:04:03]} Nc5 {[%emt 0:01:34]} 19. Ba3 {[%emt 0:03:36]} Qb7 {[%emt 0:02:31]} 20. Re2 {[%emt 0:02:46]} Ng4 {[%emt 0:07:06]} 21. Qd2 {[%emt 0:01:03]} Nf6 {[%emt 0:03:40]} 22. Qe1 {[%emt 0:01:23]} Bd7 {[%emt 0:02:05]} 23. h3 {[%emt 0:02:32]} Bc6 {[%emt 0:00:48]} 24. Bc1 {[%emt 0:07:17]} h6 {[%emt 0:01:04]} 25. Nh4 {[%emt 0:04:08]} Rfd8 {[%emt 0:04:25]} 26. Nf5 {[%emt 0:00:37]} Bf8 {[%emt 0:00:01]} 27. f3 {[%emt 0:02:24]} Kh7 {[%emt 0:07:10]} 28. Nd5 {[%emt 0:04:23]} Bxd5 {[%emt 0:00:11]} 29. exd5 {[%emt 0:00:07]} g6 {[%emt 0:00:06]} 30. Ng3 {[%emt 0:07:55]} Re8 {[%emt 0:02:30]} 31. h4 {[%emt 0:01:24]} Bg7 {[%emt 0:01:04]} 32. h5 {[%emt 0:01:37]} Qd7 {[%emt 0:01:27]} 33. Ba3 {[%emt 0:03:55]} e4 {[%emt 0:05:05]} 34. hxg6+ {[%emt 0:00:36]} fxg6 {[%emt 0:00:02]} 35. Bxc5 {[%emt 0:02:14]} exf3 {[%emt 0:01:17]} 36. Rxe8 {[%emt 0:02:27]} Rxe8 {[%emt 0:00:01]} 37. Be3 {[%emt 0:00:12]} f2+ {[%emt 0:01:46]} 38. Qxf2 {[%emt 0:00:16]} Ng4 {[%emt 0:00:12]} 39. Bxg6+ {[%emt 0:00:59]} Kxg6 {[%emt 0:00:02]} 40. Qc2+ {[%emt 0:00:11]} Kf7 {[%emt 0:00:03]} 41. Bxb6 {[%emt 0:32:40]} Kg8 {[%emt 0:30:06]} 42. Qf5 {[%emt 0:05:14]} Qxf5 {[%emt 0:02:10]} 43. Nxf5 {[%emt 0:00:12]} Rb8 {[%emt 0:00:03]} 44. Bd4 {[%emt 0:01:30]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.9"]
[White "de Francesco, Klaus"]
[Black "Bernadskiy, Vitaliy"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "2276"]
[BlackElo "2554"]
[Annotator "ChessBase"]
[PlyCount "64"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 2. g3 {[%emt 0:01:11]} Nf6 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:12]} g6 {[%emt 0:00:08]} 4. Nf3 {[%emt 0:00:24]} Bg7 {[%emt 0:00:10]} 5. O-O {[%emt 0:00:19]} O-O {[%emt 0:00:04]} 6. c4 {[%emt 0:00:15]} b6 {[%emt 0:00:50]} 7. Nc3 {[%emt 0:01:13]} Bb7 {[%emt 0:00:04]} 8. d5 {[%emt 0:02:27]} Na6 {[%emt 0:00:28]} 9. Nd4 {[%emt 0:01:51]} Nc5 {[%emt 0:00:29]} 10. b4 {[%emt 0:07:41]} Nce4 {[%emt 0:00:10]} 11. Nxe4 {[%emt 0:01:33]} Nxe4 {[%emt 0:00:50]} 12. Be3 {[%emt 0:00:58]} e5 {[%emt 0:04:53]} 13. Nb3 {[%emt 0:08:19]} Nf6 {[%emt 0:03:25]} 14. c5 {[%emt 0:06:51]} e4 {[%emt 0:03:20]} 15. d6 {[%emt 0:02:11]} cxd6 {[%emt 0:00:26]} 16. cxb6 {[%emt 0:00:40]} Nd5 {[%emt 0:00:54]} 17. Bd4 {[%emt 0:02:52]} axb6 {[%emt 0:01:48]} 18. f3 {[%emt 0:02:58]} Qe7 {[%emt 0:02:26]} 19. a4 {[%emt 0:07:26]} Ne3 {[%emt 0:07:24]} 20. Bxe3 {[%emt 0:01:32]} exf3 {[%emt 0:00:17]} 21. Bxf3 {[%emt 0:01:44]} Qxe3+ {[%emt 0:00:13]} 22. Kg2 {[%emt 0:00:25]} Bxf3+ {[%emt 0:00:08]} 23. Rxf3 {[%emt 0:00:12]} Qe4 {[%emt 0:00:03]} 24. Rc1 {[%emt 0:04:58]} Rfe8 {[%emt 0:02:26]} 25. Qxd6 {[%emt 0:03:23]} Qxe2+ {[%emt 0:01:17]} 26. Rf2 {[%emt 0:00:05]} Qe4+ {[%emt 0:00:02]} 27. Kg1 {[%emt 0:00:52]} Bh6 {[%emt 0:00:25]} 28. Nd2 {[%emt 0:00:19]} Qe6 {[%emt 0:00:21]} 29. Qxe6+ {[%emt 0:00:40]} dxe6 {[%emt 0:00:04]} 30. Re2 {[%emt 0:00:30]} Rxa4 {[%emt 0:00:15]} 31. Rc6 {[%emt 0:00:23]} Ra2 {[%emt 0:01:53]} 32. Rd6 {[%emt 0:00:13]} Rc8 {[%emt 0:00:09]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.10"]
[White "Mons, Leon"]
[Black "Markmann, Ulrich"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2552"]
[BlackElo "2279"]
[Annotator "ChessBase"]
[PlyCount "63"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:03:12]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:28]} e5 {[%emt 0:00:02]} 4. Nf3 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:11]} 5. Bc4 {[%emt 0:00:38]} Be7 {[%emt 0:00:13]} 6. a4 {[%emt 0:00:48]} O-O {[%emt 0:02:03]} 7. O-O {[%emt 0:01:20]} c6 {[%emt 0:01:21]} 8. a5 {[%emt 0:07:08]} Nxe4 {[%emt 0:21:08]} 9. Nxe4 {[%emt 0:00:37]} d5 {[%emt 0:00:05]} 10. Re1 {[%emt 0:18:07]} exd4 {[%emt 0:15:04]} 11. Bxd5 {[%emt 0:11:32]} cxd5 {[%emt 0:00:09]} 12. Ng3 {[%emt 0:00:09]} Nb8 {[%emt 0:18:55]} 13. Nxd4 {[%emt 0:05:41]} Nc6 {[%emt 0:00:43]} 14. Nh5 {[%emt 0:10:36]} g6 {[%emt 0:17:49]} 15. Nf4 {[%emt 0:12:31]} Bf6 {[%emt 0:00:15]} 16. Be3 {[%emt 0:06:55]} Nxa5 {[%emt 0:02:44]} 17. b3 {[%emt 0:01:19]} b6 {[%emt 0:04:47]} 18. Qf3 {[%emt 0:04:58]} Bb7 {[%emt 0:00:02]} 19. Rad1 {[%emt 0:00:06]} Rc8 {[%emt 0:00:09]} 20. Qg4 {[%emt 0:02:25]} Bg7 {[%emt 0:00:34]} 21. c4 {[%emt 0:01:00]} Bxd4 {[%emt 0:05:53]} 22. Bxd4 {[%emt 0:01:01]} Nxb3 {[%emt 0:00:02]} 23. Bb2 {[%emt 0:02:05]} Rxc4 {[%emt 0:00:02]} 24. Qg3 {[%emt 0:00:45]} Nc5 {[%emt 0:05:34]} 25. Bd4 {[%emt 0:04:35]} Ne4 {[%emt 0:01:20]} 26. Qe3 {[%emt 0:01:18]} Qg5 {[%emt 0:00:51]} 27. f3 {[%emt 0:01:03]} Nd6 {[%emt 0:00:22]} 28. h4 {[%emt 0:00:42]} Qxh4 {[%emt 0:00:51]} 29. Qe5 {[%emt 0:01:09]} Rxd4 {[%emt 0:00:06]} 30. Rxd4 {[%emt 0:00:44]} Ne4 {[%emt 0:00:30]} 31. Nd3 {[%emt 0:00:48]} Ba6 {[%emt 0:01:32]} 32. fxe4 {[%emt 0:00:32]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.11"]
[White "Pieper, Thomas"]
[Black "Shevchenko, Kirill"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "2272"]
[BlackElo "2542"]
[Annotator "ChessBase"]
[PlyCount "78"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:00]} 6. Bg5 {[%emt 0:00:35]} Nbd7 {[%emt 0:00:11]} 7. Qe2 {[%emt 0:00:36]} e6 {[%emt 0:01:27]} 8. f4 {[%emt 0:04:36]} Qc7 {[%emt 0:00:54]} 9. O-O-O {[%emt 0:01:07]} b5 {[%emt 0:00:13]} 10. a3 {[%emt 0:01:29]} Bb7 {[%emt 0:04:16]} 11. g4 {[%emt 0:04:55]} Be7 {[%emt 0:04:20]} 12. Rg1 {[%emt 0:08:18]} h6 {[%emt 0:14:23]} 13. Bh4 {[%emt 0:12:21]} Rb8 {[%emt 0:17:18]} 14. Be1 {[%emt 0:18:31]} Nc5 {[%emt 0:08:40]} 15. Bg2 {[%emt 0:06:30]} g5 {[%emt 0:10:03]} 16. fxg5 {[%emt 0:10:43]} hxg5 {[%emt 0:00:26]} 17. Bg3 {[%emt 0:00:14]} Ncd7 {[%emt 0:08:12]} 18. Rgf1 {[%emt 0:18:04]} Ne5 {[%emt 0:02:58]} 19. h3 {[%emt 0:02:57]} Nfd7 {[%emt 0:05:43]} 20. Qf2 {[%emt 0:02:52]} Rh7 {[%emt 0:03:01]} 21. Nd5 {[%emt 0:04:29]} exd5 {[%emt 0:01:58]} 22. exd5 {[%emt 0:00:12]} Qc4 {[%emt 0:10:07]} 23. Qf5 {[%emt 0:02:02]} Rg7 {[%emt 0:03:19]} 24. Nc6 {[%emt 0:00:04]} Rc8 {[%emt 0:02:59]} 25. Kb1 {[%emt 0:00:49]} Nxc6 {[%emt 0:00:27]} 26. dxc6 {[%emt 0:00:04]} Bxc6 {[%emt 0:00:05]} 27. Bxc6 {[%emt 0:01:10]} Rxc6 {[%emt 0:01:23]} 28. Rf2 {[%emt 0:00:34]} Qe6 {[%emt 0:00:21]} 29. Qf3 {[%emt 0:00:17]} Ne5 {[%emt 0:00:10]} 30. Qe4 {[%emt 0:00:28]} Rc4 {[%emt 0:00:40]} 31. Qa8+ {[%emt 0:00:17]} Qc8 {[%emt 0:00:04]} 32. Qd5 {[%emt 0:00:23]} Qe6 {[%emt 0:00:43]} 33. Qa8+ {[%emt 0:00:05]} Qc8 {[%emt 0:00:01]} 34. Qd5 {[%emt 0:00:13]} Rc5 {[%emt 0:01:30]} 35. Qe4 {[%emt 0:00:40]} Qc6 {[%emt 0:00:21]} 36. Qe2 {[%emt 0:01:30]} Rd5 {[%emt 0:00:22]} 37. Rdf1 {[%emt 0:00:35]} Qc4 {[%emt 0:00:37]} 38. Qe3 {[%emt 0:00:25]} Qd4 {[%emt 0:00:28]} 39. Qe2 {[%emt 0:00:17]} Nc4 {[%emt 0:01:06]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.12"]
[White "Nasuta, Grzegorz"]
[Black "Koellner, Ruben Gideon"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2534"]
[BlackElo "2265"]
[Annotator "ChessBase"]
[PlyCount "49"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:25]} Nbd7 {[%emt 0:00:00]} 5. Bc4 {[%emt 0:00:31]} Be7 {[%emt 0:00:00]} 6. a4 {[%emt 0:00:05]} O-O {[%emt 0:00:00]} 7. O-O {[%emt 0:00:20]} exd4 {[%emt 0:00:12]} 8. Qxd4 {[%emt 0:03:17]} Nb6 {[%emt 0:02:42]} 9. Ba2 {[%emt 0:18:03]} a5 {[%emt 0:01:24]} 10. h3 {[%emt 0:05:37]} Nfd7 {[%emt 0:04:55]} 11. Be3 {[%emt 0:08:03]} Nc5 {[%emt 0:07:09]} 12. Rad1 {[%emt 0:09:06]} Bd7 {[%emt 0:06:38]} 13. e5 {[%emt 0:05:15]} Ncxa4 {[%emt 0:06:54]} 14. exd6 {[%emt 0:24:31]} cxd6 {[%emt 0:08:14]} 15. Ne4 {[%emt 0:08:32]} d5 {[%emt 0:03:36]} 16. Bxd5 {[%emt 0:00:06]} Nxd5 {[%emt 0:00:21]} 17. Qxd5 {[%emt 0:00:07]} Bc6 {[%emt 0:00:51]} 18. Qe5 {[%emt 0:01:49]} Qe8 {[%emt 0:01:05]} 19. Nd4 {[%emt 0:11:06]} Nxb2 {[%emt 0:07:17]} 20. Nf5 {[%emt 0:00:28]} f6 {[%emt 0:01:06]} 21. Nxe7+ {[%emt 0:01:45]} Kh8 {[%emt 0:00:32]} 22. Qxb2 {[%emt 0:00:05]} Bxe4 {[%emt 0:00:05]} 23. Bc5 {[%emt 0:01:18]} Rf7 {[%emt 0:00:24]} 24. f3 {[%emt 0:00:32]} b6 {[%emt 0:01:41]} 25. Bd6 {[%emt 0:00:35]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.13"]
[White "Nebolsina, Vera"]
[Black "Chanda, Sandipan"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2252"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,112,0,0,-12,-11,-11,-10,-16,-4,-21,-8,-17,-12,-28,5,-6,-14,-10,-18,-29,-4,-22,-20,-18,-10,-24,-18,-8,-14,-15,-17,-31,0,-76,-8,-8,-11,-16,-8,-16,-6,-8,0,0,5,2,46,39,56,52,60,60,51,52,52,33,39,43,39,39,99,92,87,117,116,110,115,118,113,107,107,101,95,91,129,11,7,0,0,0,0,0,0,0,1,0,8,8,10,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. Bc4 e6 5. O-O a6 6. d3 {B50: Sicilian: 2...d6, Miscellaneous} Be7 7. a3 O-O 8. Ba2 Nc6 9. Re1 b5 10. Ne2 Bb7 (10... Nh5 11. d4 cxd4 12. Nexd4 Nxd4 13. Nxd4 {1-0 (95) Artemiev,V (2703)-Kokarev,D (2595) Kazan 2018}) 11. Ng3 Nd7 12. h3 $146 ({Predecessor:} 12. c3 Nde5 13. Be3 Rc8 14. Nxe5 dxe5 15. Qg4 {1-0 (47) Psyk,R (2222)-Grib,R (2446) Bialystok 2017}) 12... Nde5 13. Nh2 Bh4 14. Nhf1 Kh8 15. f4 Ng6 $36 {[%mdl 2048] Black has some pressure.} 16. Be3 e5 17. f5 Nf4 18. Qg4 Nd4 19. Rac1 g6 20. Bxf4 {[#] Bh6 is the strong threat.} exf4 21. c3 (21. Qxf4 $11 Rc8 22. Ne3) 21... Nc6 ({Much worse is} 21... Bxg3 $6 22. Nxg3 fxg3 23. cxd4 $14) ({Black should play} 21... Nxf5 $17 22. exf5 fxg3 23. Nxg3 h5 24. Nxh5 gxh5 25. Qxh5+ Kg7) 22. Qxf4 $11 Bg5 23. Qf2 Bxc1 24. Rxc1 Ne5 25. Rd1 c4 26. dxc4 bxc4 27. Rd4 Rc8 28. Ne3 {[%cal Re3c4]} Nd3 29. Qd2 Qg5 30. Nxc4 Qxd2 31. Nxd2 Ne5 $1 32. Nf3 Rfd8 33. f6 Kg8 34. Nf1 Rc5 (34... a5 $14) 35. Ne3 $16 Nxf3+ 36. gxf3 Bc8 37. h4 Rh5 38. Nd5 Be6 39. Ne7+ Kf8 40. Bxe6 fxe6 {[%mdl 4096] Endgame KRR-KRN} 41. e5 Ke8 42. c4 (42. Nc6 $16 Rd7 43. f4 (43. exd6 Rd5 $15)) 42... dxe5 $11 {[#]The position is equal.} ({Of course not} 42... Rxe5 $6 43. Nc6 $16) 43. f7+ $1 {[%mdl 512]} Kxf7 44. Rxd8 {Threatens to win with Rd7.} Kxe7 {KR-KR} 45. Ra8 Rxh4 46. c5 Ra4 47. Ra7+ Kd8 48. Rxh7 Rc4 49. Ra7 Rxc5 50. Rxa6 Rc1+ 51. Kf2 Rc2+ 52. Ke3 Rxb2 53. Rxe6 Rb3+ 54. Ke4 Rxa3 55. Rxg6 Ke7 56. Kxe5 Rxf3 {Accuracy: White = 60%, Black = 53%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.14"]
[White "Marin, Mihail"]
[Black "Kueppers, Timo"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2524"]
[BlackElo "2250"]
[Annotator "ChessBase"]
[PlyCount "78"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. g3 {[%emt 0:00:00]} c5 {[%emt 0:02:52]} 2. Bg2 {[%emt 0:00:00]} Nf6 {[%emt 0:00:10]} 3. f4 {[%emt 0:00:11]} d5 {[%emt 0:02:11]} 4. Nf3 {[%emt 0:00:06]} g6 {[%emt 0:00:10]} 5. O-O {[%emt 0:00:06]} Bg7 {[%emt 0:00:03]} 6. d3 {[%emt 0:00:04]} O-O {[%emt 0:00:12]} 7. Qe1 {[%emt 0:00:14]} d4 {[%emt 0:03:08]} 8. Na3 {[%emt 0:08:36]} Nc6 {[%emt 0:06:13]} 9. c4 {[%emt 0:00:13]} e5 {[%emt 0:15:32]} 10. Nxe5 {[%emt 0:23:31]} Nxe5 {[%emt 0:00:11]} 11. fxe5 {[%emt 0:00:05]} Ng4 {[%emt 0:00:27]} 12. Nc2 {[%emt 0:00:13]} a5 {[%emt 0:06:25]} 13. e6 {[%emt 0:05:27]} fxe6 {[%emt 0:15:10]} 14. Rxf8+ {[%emt 0:00:18]} Qxf8 {[%emt 0:00:24]} 15. h3 {[%emt 0:06:55]} Nf6 {[%emt 0:01:27]} 16. Qf2 {[%emt 0:02:20]} e5 {[%emt 0:02:16]} 17. Bg5 {[%emt 0:03:19]} Ra6 {[%emt 0:01:16]} 18. Rf1 {[%emt 0:13:46]} h6 {[%emt 0:05:10]} 19. Bd2 {[%emt 0:03:09]} Qe7 {[%emt 0:08:00]} 20. e3 {[%emt 0:03:03]} e4 {[%emt 0:12:10]} 21. exd4 {[%emt 0:02:44]} exd3 {[%emt 0:00:04]} 22. Ne3 {[%emt 0:03:30]} cxd4 {[%emt 0:00:15]} 23. Nd5 {[%emt 0:00:07]} Nxd5 {[%emt 0:00:03]} 24. Bxd5+ {[%emt 0:00:29]} Be6 {[%emt 0:03:00]} 25. Re1 {[%emt 0:01:09]} Qd7 {[%emt 0:02:15]} 26. Rxe6 {[%emt 0:05:20]} Rxe6 {[%emt 0:00:04]} 27. Qf3 {[%emt 0:00:29]} Kh7 {[%emt 0:01:23]} 28. Bxe6 {[%emt 0:00:10]} Qxe6 {[%emt 0:00:03]} 29. Qxd3 {[%emt 0:00:07]} Qxh3 {[%emt 0:00:43]} 30. Bxa5 {[%emt 0:00:58]} h5 {[%emt 0:00:32]} 31. Be1 {[%emt 0:05:43]} h4 {[%emt 0:02:46]} 32. Bf2 {[%emt 0:00:27]} Be5 {[%emt 0:01:24]} 33. Qf3 {[%emt 0:02:52]} hxg3 {[%emt 0:02:21]} 34. Qxb7+ {[%emt 0:01:57]} Kh6 {[%emt 0:00:09]} 35. Be1 {[%emt 0:00:05]} Bf4 {[%emt 0:01:18]} 36. Qg2 {[%emt 0:00:14]} Be3+ {[%emt 0:01:40]} 37. Kf1 {[%emt 0:00:07]} Qf5+ {[%emt 0:00:15]} 38. Ke2 {[%emt 0:00:09]} Qc2+ {[%emt 0:00:10]} 39. Kf3 {[%emt 0:00:16]} Qd1+ {[%emt 0:00:10]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.15"]
[White "Kruckenhauser, Arthur"]
[Black "Prusikin, Michael"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2245"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,13,27,22,31,40,42,0,0,-15,0,-20,32,-25,-6,-87,-80,-94,-87,-69,-70,-120,-14,-86,-83,-83,-81,-81,-77,-82,-78,-103,-45,-100,-90,-83,-58,-64,-63,-88,-90,-88,-82,-81,-67,-70,-61,-60,-59,-60,-62,-66,-59,-68,-44,-44,-42,-93,-44,-68,-44,-64,-75,-229,-199,-385,-392,-377,-375,-383,-386,-429,-466,-440,-420,-791,-645,-627,-615,-1875,-1808,-1514,-1411,-29992,-29993]} 1. e4 e6 2. d4 d5 3. Nd2 h6 (3... c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Qc7 9. Qe2 Ne7 10. Nf3 Ng6 11. e5 c5 12. c4 dxc4 13. Bxc4 Be7 14. h4 Bc6 15. h5 Nf8 16. h6 g6 {1-0 (33) Navara,D (2734)-Vitiugov,N (2727) Riga 2019}) 4. Bd3 c5 5. dxc5 Bxc5 6. Ngf3 {C03: French Tarrasch: Unusual Black 3rd moves} Nc6 7. a3 Nf6 8. Qe2 {White is slightly better.} O-O 9. O-O e5 10. h3 Re8 (10... Nh5 $11) 11. Rd1 (11. exd5 $14 Nxd5 12. Ne4) 11... Be6 $146 ({Predecessor:} 11... Qc7 12. c3 Bb6 13. exd5 Nxd5 14. Nc4 e4 15. Nxb6 axb6 {½-½ (59) Kotan,L (2365)-Ionescu,B (2191) Miskolc 2002}) 12. b4 (12. c4 $11 {keeps the balance.} dxc4 13. Nxc4) 12... Nd4 $36 {[%mdl 2048] White is under strong pressure.} 13. Nxd4 Bxd4 14. Rb1 Qc7 15. Nb3 Bb6 ({Much weaker is} 15... Nxe4 $6 16. Bxe4 dxe4 17. Nxd4 $11) (15... dxe4 $17 16. Bxe4 Rad8) 16. Bb2 (16. exd5 $11 Nxd5 17. Bd2) 16... dxe4 17. Bxe4 Nxe4 18. Qxe4 f6 19. Rbc1 Rad8 20. Nd2 Rd7 (20... Qf7 $17 21. c4 Bd4) 21. Nf3 ({White should play} 21. Qe2 $15) 21... Rxd1+ 22. Rxd1 Rd8 (22... Rc8 {is interesting.} 23. Rc1 Qf7 24. Nd2 Bd5 25. Qf5 Rd8) 23. Rxd8+ Qxd8 24. Qe2 Qd5 25. Qd2 Qc6 26. Qc3 Qe4 27. Qd3 Qxd3 (27... Bd5 {with more complications.} 28. Qxe4 Bxe4 29. Ne1 Kf7 30. Kf1 Bd5) 28. cxd3 $15 {[%mdl 4096] Endgame KBB-KBN} Kf7 29. Kf1 Bd5 30. Nd2 Ke6 31. g3 g5 32. Nc4 Bc7 33. Ke2 ({Better is} 33. g4 $15) 33... h5 34. Ne3 Bc6 35. Bc1 f5 36. Bd2 $2 {[#]} (36. f3 $17 {might work better.}) 36... f4 $1 $19 37. gxf4 $2 (37. Nd1) 37... exf4 38. Nc2 Bg2 39. Nd4+ Kf6 {Played: Ke6-d5} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.16"]
[White "Gukesh D"]
[Black "Ciolek, Andreas"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2520"]
[BlackElo "2238"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:05]} g6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:56]} Bg7 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:56]} d6 {[%emt 0:00:00]} 4. Be3 {[%emt 0:00:39]} a6 {[%emt 0:00:00]} 5. Qd2 {[%emt 0:02:13]} b5 {[%emt 0:02:15]} 6. h4 {[%emt 0:01:38]} Nf6 {[%emt 0:01:17]} 7. f3 {[%emt 0:01:33]} h5 {[%emt 0:00:15]} 8. O-O-O {[%emt 0:02:05]} c6 {[%emt 0:02:00]} 9. Kb1 {[%emt 0:04:39]} Qa5 {[%emt 0:18:16]} 10. a3 {[%emt 0:31:11]} Nbd7 {[%emt 0:16:41]} 11. Nh3 {[%emt 0:07:03]} c5 {[%emt 0:09:12]} 12. dxc5 {[%emt 0:10:00]} Nxc5 {[%emt 0:04:40]} 13. e5 {[%emt 0:05:47]} Nfd7 {[%emt 0:02:56]} 14. Nd5 {[%emt 0:03:48]} Qxd2 {[%emt 0:06:25]} 15. Rxd2 {[%emt 0:00:07]} Rb8 {[%emt 0:04:24]} 16. exd6 {[%emt 0:02:18]} exd6 {[%emt 0:00:39]} 17. Nb4 {[%emt 0:04:32]} O-O {[%emt 0:08:49]} 18. Nc6 {[%emt 0:01:18]} Rb7 {[%emt 0:05:45]} 19. Ne7+ {[%emt 0:04:52]} Kh8 {[%emt 0:00:06]} 20. Ng5 {[%emt 0:02:13]} Nb6 {[%emt 0:06:58]} 21. Rxd6 {[%emt 0:05:02]} Rxe7 {[%emt 0:05:49]} 22. Bxc5 {[%emt 0:00:08]} Re1+ {[%emt 0:01:11]} 23. Ka2 {[%emt 0:00:04]} Na4 {[%emt 0:00:40]} 24. Bb4 {[%emt 0:02:42]} Rc1 {[%emt 0:00:18]} 25. Rd2 {[%emt 0:02:31]} Re8 {[%emt 0:01:23]} 26. Bxb5 {[%emt 0:00:55]} Rxh1 {[%emt 0:01:43]} 27. Bxe8 {[%emt 0:00:35]} Nxb2 {[%emt 0:01:04]} 28. Rd8 {[%emt 0:00:48]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.17"]
[White "Rasch, Holger"]
[Black "Asadli, Vugar"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2236"]
[BlackElo "2513"]
[Annotator "RC"]
[PlyCount "156"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:13]} a6 {[%emt 0:00:00]} 5. a4 {[%emt 0:00:34]} Nf6 {[%emt 0:00:18]} 6. Be2 {[%emt 0:01:00]} O-O {[%emt 0:00:07]} 7. O-O {[%emt 0:01:06]} Nc6 {[%emt 0:00:10]} 8. h3 {[%emt 0:01:13]} e6 {[%emt 0:00:46]} 9. Be3 {[%emt 0:06:11]} b6 {[%emt 0:00:07]} 10. Qd2 {[%emt 0:00:51]} Bb7 {[%emt 0:00:49]} 11. Rad1 {[%emt 0:00:46]} Ne7 {[%emt 0:02:47]} 12. Bd3 {[%emt 0:16:43]} c5 {[%emt 0:07:20]} 13. Bh6 {[%emt 0:03:44]} Qc7 {[%emt 0:05:31]} 14. Bxg7 {[%emt 0:07:16]} Kxg7 {[%emt 0:00:01]} 15. e5 {[%emt 0:02:48]} dxe5 {[%emt 0:05:10]} 16. dxe5 {[%emt 0:01:04]} Nfd5 {[%emt 0:03:35]} 17. Nxd5 {[%emt 0:00:27]} Bxd5 {[%emt 0:00:34]} 18. Be2 {[%emt 0:00:20]} Rad8 {[%emt 0:06:26]} 19. Qf4 {[%emt 0:01:35]} Bb7 {[%emt 0:04:56]} 20. Nh2 {[%emt 0:17:09]} Nf5 {[%emt 0:06:06]} 21. Ng4 {[%emt 0:08:39]} h6 {[%emt 0:03:12]} 22. Ne3 {[%emt 0:04:29]} Rfe8 {[%emt 0:03:27]} 23. Rxd8 {[%emt 0:10:00]} Rxd8 {[%emt 0:00:14]} 24. Rd1 {[%emt 0:04:30]} Rxd1+ {[%emt 0:00:50]} 25. Bxd1 {[%emt 0:00:04]} Qd7 {[%emt 0:00:11]} 26. Nxf5+ {[%emt 0:10:21]} exf5 {[%emt 0:00:06]} 27. Be2 {[%emt 0:00:09]} a5 {[%emt 0:00:33]} 28. b3 {[%emt 0:00:25]} g5 {[%emt 0:01:32]} 29. Qe3 {[%emt 0:00:14]} f4 {[%emt 0:00:28]} 30. Qc3 {[%emt 0:00:21]} Kf8 {[%emt 0:00:04]} 31. Bg4 {[%emt 0:00:41]} Qd4 {[%emt 0:01:10]} 32. Qxd4 {[%emt 0:01:59]} cxd4 {[%emt 0:01:36]} 33. Bf5 {[%emt 0:00:01]} Ke7 {[%emt 0:00:52]} 34. f3 {[%emt 0:00:08]} Ba6 {[%emt 0:03:53]} 35. Kf2 {[%emt 0:00:04]} f6 {[%emt 0:00:10]} 36. exf6+ {[%emt 0:00:28]} Kxf6 {[%emt 0:00:03]} 37. Be4 {[%emt 0:00:45]} Ke5 {[%emt 0:00:05]} 38. Ke1 {[%emt 0:00:15]} Kd6 {[%emt 0:00:56]} 39. Bf5 {[%emt 0:01:33]} Kc5 {[%emt 0:04:11]} 40. Kd2 {[%emt 0:00:10]} Kb4 {[%emt 0:05:17]} 41. Bd3 {[%emt 0:02:21]} Bc8 {[%emt 0:02:28]} 42. Bb5 {[%emt 0:00:30]} Ka3 {[%emt 0:16:10]} 43. Bc4 {[%emt 0:02:10]} Kb2 {[%emt 0:00:30]} 44. Bb5 {[%emt 0:00:14]} Be6 {[%emt 0:03:11]} 45. Ba6 {[%emt 0:01:40]} Ka3 {[%emt 0:01:30]} 46. Bd3 {[%emt 0:00:32]} Kb4 {[%emt 0:00:04]} 47. Ba6 {[%emt 0:00:20]} Kc5 {[%emt 0:00:04]} 48. Bd3 {[%emt 0:00:11]} Kd6 {[%emt 0:00:06]} 49. Ba6 {[%emt 0:01:45]} Ke5 {[%emt 0:00:21]} 50. Bd3 {[%emt 0:01:50]} Bd5 {[%emt 0:00:14]} 51. Bb5 {[%emt 0:00:19]} Bf7 {[%emt 0:03:01]} 52. Bd3 {[%emt 0:01:04]} h5 {[%emt 0:00:39]} 53. Be2 {[%emt 0:14:43]} Bd5 {[%emt 0:00:38]} 54. Bf1 {[%emt 0:00:12]} Be6 {[%emt 0:01:20]} 55. Be2 {[%emt 0:02:53]} Bc8 {[%emt 0:00:06]} 56. Bd3 {[%emt 0:03:36]} Bb7 {[%emt 0:09:15]} 57. Be2 {[%emt 0:00:04]} g4 {[%emt 0:01:52]} 58. hxg4 {[%emt 0:00:02]} hxg4 {[%emt 0:00:03]} 59. Bd1 {[%emt 0:00:25]} g3 {[%emt 0:03:00]} 60. Be2 {[%emt 0:01:14]} Bd5 {[%emt 0:00:33]} 61. Bd1 {[%emt 0:00:37]} Be6 {[%emt 0:00:56]} 62. Be2 {[%emt 0:01:07]} Kd6 {[%emt 0:01:21]} 63. Kd3 {[%emt 0:00:50]} Ke5 {[%emt 0:02:12]} 64. Kd2 {[%emt 0:00:10]} Bf7 {[%emt 0:00:37]} 65. Bb5 {[%emt 0:00:37]} Bd5 {[%emt 0:01:02]} 66. Be2 {[%emt 0:00:06]} Kd6 {[%emt 0:00:28]} 67. Kd3 {[%emt 0:00:27]} Kc5 {[%emt 0:00:22]} 68. Kd2 {[%emt 0:01:12]} Be6 {[%emt 0:00:32]} 69. Bd3 {[%emt 0:00:28]} Kb4 {[%emt 0:00:23]} 70. Bb5 {[%emt 0:00:10]} Bd5 {[%emt 0:00:53]} 71. Be2 {[%emt 0:00:03]} Bb7 {[%emt 0:00:10]} 72. Bf1 {[%emt 0:00:12]} Ka3 {[%emt 0:00:19]} 73. Be2 {[%emt 0:00:19]} Kb2 {[%emt 0:00:15]} 74. Bf1 {[%emt 0:00:17]} d3 {[%emt 0:02:09]} 75. Kxd3 {[%emt 0:00:09]} Ba6+ {[%emt 0:00:25]} 76. c4 {[%emt 0:00:09]} Kxb3 {[%emt 0:00:04]} 77. Ke4 {[%emt 0:05:25]} Kxa4 {[%emt 0:00:24]} 78. Kxf4 {[%emt 0:00:16]} Kb4 {[%emt 0:00:22]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.18"]
[White "Engel, Luis"]
[Black "Moeldner, Juergen"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2507"]
[BlackElo "2234"]
[Annotator "RC"]
[PlyCount "107"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:02:06]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:00]} 3. Nd2 {[%emt 0:00:05]} Nf6 {[%emt 0:00:00]} 4. e5 {[%emt 0:00:04]} Nfd7 {[%emt 0:00:05]} 5. Bd3 {[%emt 0:00:06]} c5 {[%emt 0:00:05]} 6. c3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:05]} 7. Ne2 {[%emt 0:00:05]} cxd4 {[%emt 0:00:06]} 8. cxd4 {[%emt 0:00:05]} f6 {[%emt 0:00:06]} 9. exf6 {[%emt 0:00:04]} Nxf6 {[%emt 0:00:06]} 10. O-O {[%emt 0:00:07]} Bd6 {[%emt 0:00:15]} 11. Nf3 {[%emt 0:00:13]} Qc7 {[%emt 0:00:14]} 12. h3 {[%emt 0:00:16]} O-O {[%emt 0:00:47]} 13. Re1 {[%emt 0:00:04]} Bd7 {[%emt 0:02:20]} 14. Be3 {[%emt 0:00:28]} Rae8 {[%emt 0:01:42]} 15. Rc1 {[%emt 0:00:09]} Qb8 {[%emt 0:06:19]} 16. Nc3 {[%emt 0:01:20]} Re7 {[%emt 0:04:40]} 17. Nb5 {[%emt 0:07:49]} Bb4 {[%emt 0:01:15]} 18. Bd2 {[%emt 0:00:35]} a6 {[%emt 0:01:23]} 19. Bxb4 {[%emt 0:00:44]} Nxb4 {[%emt 0:00:17]} 20. Nc3 {[%emt 0:00:32]} Nxd3 {[%emt 0:00:56]} 21. Qxd3 {[%emt 0:00:07]} Qd6 {[%emt 0:06:37]} 22. Ne5 {[%emt 0:02:20]} Be8 {[%emt 0:01:35]} 23. Qe3 {[%emt 0:09:29]} Rc7 {[%emt 0:12:46]} 24. Ne2 {[%emt 0:04:07]} Rxc1 {[%emt 0:02:15]} 25. Rxc1 {[%emt 0:00:47]} Bd7 {[%emt 0:03:22]} 26. Qc3 {[%emt 0:05:18]} Bb5 {[%emt 0:06:08]} 27. Ng3 {[%emt 0:02:13]} Nd7 {[%emt 0:02:21]} 28. Re1 {[%emt 0:06:30]} Nxe5 {[%emt 0:05:02]} 29. Rxe5 {[%emt 0:00:10]} Bd7 {[%emt 0:00:41]} 30. Qe3 {[%emt 0:08:06]} Rf7 {[%emt 0:08:29]} 31. Nh5 {[%emt 0:01:44]} Qf8 {[%emt 0:01:35]} 32. a3 {[%emt 0:07:05]} Bc8 {[%emt 0:05:16]} 33. g3 {[%emt 0:01:52]} Qd6 {[%emt 0:05:14]} 34. Nf4 {[%emt 0:02:44]} Rf6 {[%emt 0:00:34]} 35. h4 {[%emt 0:01:36]} Bd7 {[%emt 0:01:08]} 36. Kg2 {[%emt 0:03:03]} Bc8 {[%emt 0:03:18]} 37. Qd2 {[%emt 0:05:54]} Bd7 {[%emt 0:02:02]} 38. Re1 {[%emt 0:00:59]} Rf8 {[%emt 0:03:38]} 39. Nd3 {[%emt 0:00:28]} b6 {[%emt 0:01:15]} 40. Ne5 {[%emt 0:00:45]} a5 {[%emt 0:03:09]} 41. Rc1 {[%emt 0:32:08]} Rc8 {[%emt 0:36:33]} 42. h5 {[%emt 0:01:30]} Rxc1 {[%emt 0:01:37]} 43. Qxc1 {[%emt 0:00:05]} Be8 {[%emt 0:02:05]} 44. h6 {[%emt 0:01:51]} Qd8 {[%emt 0:04:03]} 45. hxg7 {[%emt 0:01:40]} Kxg7 {[%emt 0:00:00]} 46. Ng4 {[%emt 0:00:00]} Bg6 {[%emt 0:00:00]} 47. Qf4 {[%emt 0:00:00]} Qe7 {[%emt 0:00:00]} 48. Qe5+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 49. Qh8 {[%emt 0:00:00]} Qg5 {[%emt 0:00:00]} 50. Ne5+ {[%emt 0:00:00]} Ke7 {[%emt 0:00:00]} 51. Qg7+ {[%emt 0:00:00]} Ke8 {[%emt 0:00:00]} 52. Qd7+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:00]} 53. Qxe6 {[%emt 0:00:00]} Be4+ {[%emt 0:00:00]} 54. f3 {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.19"]
[White "Hedke, Fred"]
[Black "Vetoshko, Volodymyr"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2225"]
[BlackElo "2506"]
[Annotator "ChessBase"]
[PlyCount "82"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} g6 {[%emt 0:03:27]} 2. d4 {[%emt 0:00:48]} Bg7 {[%emt 0:00:01]} 3. Nf3 {[%emt 0:01:44]} d6 {[%emt 0:00:22]} 4. Bd3 {[%emt 0:04:47]} Nf6 {[%emt 0:01:26]} 5. O-O {[%emt 0:00:41]} O-O {[%emt 0:00:02]} 6. Re1 {[%emt 0:04:34]} c6 {[%emt 0:02:32]} 7. h3 {[%emt 0:05:03]} Nbd7 {[%emt 0:03:18]} 8. c3 {[%emt 0:04:41]} e5 {[%emt 0:00:35]} 9. dxe5 {[%emt 0:07:50]} dxe5 {[%emt 0:01:00]} 10. Bc2 {[%emt 0:03:00]} Qc7 {[%emt 0:04:22]} 11. a4 {[%emt 0:00:23]} Rd8 {[%emt 0:04:35]} 12. Qe2 {[%emt 0:03:04]} Nc5 {[%emt 0:05:34]} 13. Na3 {[%emt 0:03:41]} Nh5 {[%emt 0:02:39]} 14. Be3 {[%emt 0:05:25]} Nf4 {[%emt 0:02:25]} 15. Bxf4 {[%emt 0:02:33]} exf4 {[%emt 0:01:51]} 16. e5 {[%emt 0:03:00]} b6 {[%emt 0:03:48]} 17. Qc4 {[%emt 0:02:20]} Bh6 {[%emt 0:03:08]} 18. b4 {[%emt 0:07:13]} Be6 {[%emt 0:14:10]} 19. Qe2 {[%emt 0:01:56]} Nd7 {[%emt 0:00:15]} 20. Rad1 {[%emt 0:11:57]} Re8 {[%emt 0:04:13]} 21. Nc4 {[%emt 0:02:29]} Rad8 {[%emt 0:09:25]} 22. Nd6 {[%emt 0:07:45]} Re7 {[%emt 0:00:27]} 23. Ne4 {[%emt 0:07:08]} Bd5 {[%emt 0:10:27]} 24. Qd2 {[%emt 0:00:31]} Kg7 {[%emt 0:03:07]} 25. Qd4 {[%emt 0:00:33]} Nxe5 {[%emt 0:04:14]} 26. Nxe5 {[%emt 0:00:47]} Qxe5 {[%emt 0:00:12]} 27. Qxe5+ {[%emt 0:00:45]} Rxe5 {[%emt 0:00:04]} 28. c4 {[%emt 0:00:40]} Rde8 {[%emt 0:03:03]} 29. cxd5 {[%emt 0:00:48]} cxd5 {[%emt 0:00:05]} 30. f3 {[%emt 0:02:23]} f5 {[%emt 0:01:57]} 31. Kf1 {[%emt 0:00:52]} fxe4 {[%emt 0:00:53]} 32. fxe4 {[%emt 0:00:27]} dxe4 {[%emt 0:01:16]} 33. Rd7+ {[%emt 0:03:12]} Kf6 {[%emt 0:03:51]} 34. Rxa7 {[%emt 0:00:07]} Bf8 {[%emt 0:00:23]} 35. Rb7 {[%emt 0:01:24]} R8e6 {[%emt 0:01:18]} 36. Rb1 {[%emt 0:00:32]} e3 {[%emt 0:00:54]} 37. Ke2 {[%emt 0:01:34]} Rg5 {[%emt 0:01:04]} 38. g4 {[%emt 0:00:30]} Rd5 {[%emt 0:00:52]} 39. Bb3 {[%emt 0:01:49]} Rd2+ {[%emt 0:00:07]} 40. Kf1 {[%emt 0:00:24]} e2+ {[%emt 0:01:21]} 41. Ke1 {[%emt 0:30:09]} Bxb4 {[%emt 0:30:42]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.20"]
[White "Korneev, Oleg"]
[Black "Nagel, Bernhard"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2504"]
[BlackElo "2224"]
[Annotator "RC"]
[PlyCount "115"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:02:14]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:08]} e6 {[%emt 0:01:18]} 3. Bf4 {[%emt 0:04:54]} d5 {[%emt 0:00:49]} 4. e3 {[%emt 0:00:10]} Bd6 {[%emt 0:00:30]} 5. Bg3 {[%emt 0:00:18]} O-O {[%emt 0:01:18]} 6. Nbd2 {[%emt 0:00:26]} c5 {[%emt 0:01:52]} 7. c3 {[%emt 0:00:02]} b6 {[%emt 0:01:39]} 8. a4 {[%emt 0:09:47]} Nc6 {[%emt 0:06:05]} 9. Bb5 {[%emt 0:00:11]} Bb7 {[%emt 0:00:12]} 10. O-O {[%emt 0:00:25]} Ne7 {[%emt 0:05:47]} 11. Bd3 {[%emt 0:00:28]} Nf5 {[%emt 0:11:19]} 12. Bxf5 {[%emt 0:00:15]} exf5 {[%emt 0:00:06]} 13. Bxd6 {[%emt 0:04:00]} Qxd6 {[%emt 0:00:12]} 14. a5 {[%emt 0:14:44]} c4 {[%emt 0:01:41]} 15. Qa4 {[%emt 0:05:39]} Bc6 {[%emt 0:04:51]} 16. Qa3 {[%emt 0:01:02]} Qxa3 {[%emt 0:05:50]} 17. Rxa3 {[%emt 0:00:04]} b5 {[%emt 0:00:30]} 18. Ne1 {[%emt 0:03:08]} Ne4 {[%emt 0:09:25]} 19. Nxe4 {[%emt 0:00:06]} fxe4 {[%emt 0:00:17]} 20. a6 {[%emt 0:05:02]} Rab8 {[%emt 0:06:04]} 21. Nc2 {[%emt 0:00:07]} Rb6 {[%emt 0:02:50]} 22. Nb4 {[%emt 0:00:12]} f5 {[%emt 0:01:22]} 23. f4 {[%emt 0:02:12]} Rf6 {[%emt 0:02:40]} 24. Kf2 {[%emt 0:00:36]} Rd6 {[%emt 0:00:26]} 25. Rg1 {[%emt 0:02:04]} Bd7 {[%emt 0:00:14]} 26. h3 {[%emt 0:00:02]} h5 {[%emt 0:01:26]} 27. Kg3 {[%emt 0:02:33]} Kh7 {[%emt 0:03:04]} 28. Kh4 {[%emt 0:00:10]} Kh6 {[%emt 0:01:15]} 29. Raa1 {[%emt 0:00:09]} Bc8 {[%emt 0:01:49]} 30. Raf1 {[%emt 0:01:42]} Bd7 {[%emt 0:00:29]} 31. Rh1 {[%emt 0:03:01]} g6 {[%emt 0:05:31]} 32. Rfg1 {[%emt 0:00:23]} Bc8 {[%emt 0:00:10]} 33. Kg3 {[%emt 0:06:04]} Kg7 {[%emt 0:01:54]} 34. Kf2 {[%emt 0:01:05]} Bd7 {[%emt 0:00:18]} 35. Ke2 {[%emt 0:05:26]} Bc8 {[%emt 0:00:41]} 36. Kd2 {[%emt 0:00:08]} Bd7 {[%emt 0:01:37]} 37. Kc2 {[%emt 0:00:22]} Bc8 {[%emt 0:01:07]} 38. Ra1 {[%emt 0:00:16]} Kf6 {[%emt 0:02:33]} 39. g3 {[%emt 0:00:56]} Be6 {[%emt 0:01:53]} 40. Ra5 {[%emt 0:00:27]} Bd7 {[%emt 0:01:17]} 41. Kd2 {[%emt 0:30:15]} Kf7 {[%emt 0:31:29]} 42. Rb1 {[%emt 0:03:53]} Kg7 {[%emt 0:02:55]} 43. b3 {[%emt 0:01:18]} cxb3 {[%emt 0:00:49]} 44. Rxb3 {[%emt 0:00:23]} Be6 {[%emt 0:03:12]} 45. Nc2 {[%emt 0:02:52]} Rxa6 {[%emt 0:00:28]} 46. Rbxb5 {[%emt 0:01:31]} Rxa5 {[%emt 0:02:47]} 47. Rxa5 {[%emt 0:00:12]} Rd7 {[%emt 0:01:00]} 48. h4 {[%emt 0:01:14]} Bf7 {[%emt 0:07:52]} 49. Nb4 {[%emt 0:01:34]} Rb7 {[%emt 0:00:53]} 50. Kc2 {[%emt 0:01:10]} Rc7 {[%emt 0:00:14]} 51. Nxd5 {[%emt 0:00:38]} Rd7 {[%emt 0:00:13]} 52. c4 {[%emt 0:00:37]} Rb7 {[%emt 0:00:00]} 53. Kc3 {[%emt 0:00:00]} Bxd5 {[%emt 0:00:00]} 54. Rxd5 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 55. c5 {[%emt 0:00:00]} Rb1 {[%emt 0:00:00]} 56. Kc2 {[%emt 0:00:00]} Rb4 {[%emt 0:00:00]} 57. Rd7+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:00]} 58. Ra7 {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.21"]
[White "Heimrath, Reiner"]
[Black "Krzyzanowski, Marcin"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2217"]
[BlackElo "2500"]
[Annotator "RC"]
[PlyCount "92"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:28]} Bg7 {[%emt 0:01:33]} 3. g3 {[%emt 0:00:23]} d6 {[%emt 0:02:34]} 4. Bg2 {[%emt 0:00:10]} e5 {[%emt 0:02:49]} 5. Nge2 {[%emt 0:01:56]} Nc6 {[%emt 0:01:23]} 6. d3 {[%emt 0:00:13]} h5 {[%emt 0:00:35]} 7. h4 {[%emt 0:00:09]} Bg4 {[%emt 0:00:46]} 8. f3 {[%emt 0:00:30]} Be6 {[%emt 0:00:28]} 9. Bg5 {[%emt 0:04:05]} Qd7 {[%emt 0:05:28]} 10. Qd2 {[%emt 0:03:33]} Nge7 {[%emt 0:01:33]} 11. a3 {[%emt 0:14:55]} a6 {[%emt 0:07:09]} 12. b4 {[%emt 0:08:00]} f6 {[%emt 0:16:17]} 13. Be3 {[%emt 0:00:51]} d5 {[%emt 0:00:06]} 14. exd5 {[%emt 0:03:33]} Nxd5 {[%emt 0:00:33]} 15. Nxd5 {[%emt 0:00:11]} Bxd5 {[%emt 0:00:34]} 16. O-O {[%emt 0:09:01]} Ne7 {[%emt 0:11:20]} 17. Nc3 {[%emt 0:07:41]} Bc6 {[%emt 0:03:13]} 18. Kh2 {[%emt 0:11:42]} f5 {[%emt 0:08:23]} 19. Bg5 {[%emt 0:06:45]} O-O {[%emt 0:02:01]} 20. Rae1 {[%emt 0:00:26]} Rae8 {[%emt 0:00:24]} 21. Re2 {[%emt 0:02:41]} Kh7 {[%emt 0:03:01]} 22. Rfe1 {[%emt 0:04:55]} Nc8 {[%emt 0:01:08]} 23. Nd1 {[%emt 0:03:30]} Nd6 {[%emt 0:02:13]} 24. Nf2 {[%emt 0:00:12]} Nb5 {[%emt 0:01:17]} 25. Be3 {[%emt 0:05:53]} f4 {[%emt 0:07:30]} 26. gxf4 {[%emt 0:01:21]} exf4 {[%emt 0:00:46]} 27. Bc5 {[%emt 0:00:06]} Bc3 {[%emt 0:02:48]} 28. Re7+ {[%emt 0:08:13]} Rxe7 {[%emt 0:02:05]} 29. Rxe7+ {[%emt 0:00:02]} Qxe7 {[%emt 0:00:09]} 30. Bxe7 {[%emt 0:00:10]} Bxd2 {[%emt 0:00:07]} 31. Bxf8 {[%emt 0:00:04]} Nxa3 {[%emt 0:03:26]} 32. c4 {[%emt 0:02:35]} Nc2 {[%emt 0:01:32]} 33. b5 {[%emt 0:00:40]} axb5 {[%emt 0:00:12]} 34. cxb5 {[%emt 0:00:32]} Bxb5 {[%emt 0:00:59]} 35. Be7 {[%emt 0:00:30]} Be3 {[%emt 0:03:05]} 36. Ne4 {[%emt 0:00:09]} Bxd3 {[%emt 0:00:51]} 37. Ng5+ {[%emt 0:00:17]} Kg8 {[%emt 0:01:15]} 38. Bd8 {[%emt 0:01:06]} c5 {[%emt 0:01:07]} 39. Bh3 {[%emt 0:00:12]} Nd4 {[%emt 0:02:39]} 40. Bc8 {[%emt 0:00:29]} b5 {[%emt 0:03:43]} 41. Be7 {[%emt 0:02:41]} c4 {[%emt 0:10:19]} 42. Bb7 {[%emt 0:01:30]} c3 {[%emt 0:02:47]} 43. Bd5+ {[%emt 0:01:42]} Kg7 {[%emt 0:00:06]} 44. Bd6 {[%emt 0:00:47]} c2 {[%emt 0:02:14]} 45. Be5+ {[%emt 0:14:09]} Kf8 {[%emt 0:00:10]} 46. Bd6+ {[%emt 0:04:33]} Ke8 {[%emt 0:00:07]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.22"]
[White "Del Rio De Angelis, Salvador G."]
[Black "Ehrke, Michael"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2491"]
[BlackElo "2222"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:03:53]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:10]} e6 {[%emt 0:00:25]} 3. Nc3 {[%emt 0:00:15]} c5 {[%emt 0:00:23]} 4. cxd5 {[%emt 0:00:20]} exd5 {[%emt 0:00:12]} 5. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:38]} 6. dxc5 {[%emt 0:00:52]} d4 {[%emt 0:01:29]} 7. Na4 {[%emt 0:02:43]} Bxc5 {[%emt 0:02:26]} 8. Nxc5 {[%emt 0:00:13]} Qa5+ {[%emt 0:00:08]} 9. Qd2 {[%emt 0:00:15]} Qxc5 {[%emt 0:00:21]} 10. e3 {[%emt 0:00:07]} dxe3 {[%emt 0:01:50]} 11. Qxe3+ {[%emt 0:00:10]} Qxe3+ {[%emt 0:01:35]} 12. Bxe3 {[%emt 0:00:07]} Nge7 {[%emt 0:02:24]} 13. Bc4 {[%emt 0:01:25]} O-O {[%emt 0:01:42]} 14. O-O {[%emt 0:00:35]} Bg4 {[%emt 0:01:48]} 15. Ng5 {[%emt 0:00:36]} Bf5 {[%emt 0:12:57]} 16. f3 {[%emt 0:06:16]} h6 {[%emt 0:04:47]} 17. Ne4 {[%emt 0:00:11]} Rfd8 {[%emt 0:00:51]} 18. Rad1 {[%emt 0:04:20]} Ne5 {[%emt 0:08:10]} 19. Bb3 {[%emt 0:00:58]} Bxe4 {[%emt 0:10:49]} 20. fxe4 {[%emt 0:00:09]} Rxd1 {[%emt 0:02:31]} 21. Rxd1 {[%emt 0:00:08]} N7c6 {[%emt 0:00:59]} 22. h3 {[%emt 0:03:15]} a6 {[%emt 0:01:28]} 23. Bb6 {[%emt 0:06:51]} Re8 {[%emt 0:01:33]} 24. a3 {[%emt 0:00:52]} Re7 {[%emt 0:02:49]} 25. Bc5 {[%emt 0:01:33]} Re8 {[%emt 0:07:00]} 26. Bd5 {[%emt 0:02:36]} Rd8 {[%emt 0:01:19]} 27. Kf2 {[%emt 0:11:14]} Rd7 {[%emt 0:03:18]} 28. Ke2 {[%emt 0:00:43]} g6 {[%emt 0:06:31]} 29. b4 {[%emt 0:01:42]} Kg7 {[%emt 0:11:28]} 30. Rc1 {[%emt 0:06:05]} f6 {[%emt 0:04:31]} 31. a4 {[%emt 0:04:56]} Ne7 {[%emt 0:01:26]} 32. Be6 {[%emt 0:01:17]} Rc7 {[%emt 0:00:44]} 33. Rd1 {[%emt 0:03:14]} b6 {[%emt 0:04:30]} 34. Bd6 {[%emt 0:02:26]} Rc2+ {[%emt 0:01:14]} 35. Rd2 {[%emt 0:00:20]} Rxd2+ {[%emt 0:00:15]} 36. Kxd2 {[%emt 0:00:07]} N7c6 {[%emt 0:00:51]} 37. Kc3 {[%emt 0:01:52]} Nd8 {[%emt 0:01:22]} 38. Bc8 {[%emt 0:00:39]} a5 {[%emt 0:01:37]} 39. b5 {[%emt 0:00:31]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.23"]
[White "Zeier, Klaus"]
[Black "Yankelevich, Lev"]
[Result "0-1"]
[ECO "C73"]
[WhiteElo "2215"]
[BlackElo "2480"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:04:01]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:03]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:06]} 4. Ba4 {[%emt 0:00:00]} d6 {[%emt 0:00:04]} 5. Bxc6+ {[%emt 0:00:30]} bxc6 {[%emt 0:00:07]} 6. d4 {[%emt 0:00:09]} exd4 {[%emt 0:00:33]} 7. Nxd4 {[%emt 0:00:15]} c5 {[%emt 0:01:26]} 8. Ne2 {[%emt 0:00:48]} g6 {[%emt 0:03:17]} 9. c4 {[%emt 0:03:55]} Bg7 {[%emt 0:00:49]} 10. O-O {[%emt 0:01:35]} Ne7 {[%emt 0:00:40]} 11. Nbc3 {[%emt 0:02:36]} O-O {[%emt 0:04:34]} 12. Bg5 {[%emt 0:05:08]} h6 {[%emt 0:00:23]} 13. Be3 {[%emt 0:00:22]} Rb8 {[%emt 0:08:22]} 14. Qd2 {[%emt 0:02:21]} Kh7 {[%emt 0:00:15]} 15. Rad1 {[%emt 0:00:31]} Be6 {[%emt 0:01:46]} 16. b3 {[%emt 0:00:52]} f5 {[%emt 0:00:07]} 17. Nf4 {[%emt 0:10:47]} Bf7 {[%emt 0:04:02]} 18. exf5 {[%emt 0:01:42]} Nxf5 {[%emt 0:00:21]} 19. Ncd5 {[%emt 0:05:15]} Re8 {[%emt 0:07:23]} 20. Qd3 {[%emt 0:03:09]} c6 {[%emt 0:03:45]} 21. Nc3 {[%emt 0:00:18]} Nxe3 {[%emt 0:01:42]} 22. fxe3 {[%emt 0:00:03]} Qe7 {[%emt 0:00:04]} 23. Rf3 {[%emt 0:06:49]} Qe5 {[%emt 0:10:45]} 24. Nce2 {[%emt 0:11:39]} Rbd8 {[%emt 0:02:49]} 25. Nh5 {[%emt 0:12:08]} Be6 {[%emt 0:08:30]} 26. Nxg7 {[%emt 0:02:57]} Kxg7 {[%emt 0:00:06]} 27. Rdf1 {[%emt 0:09:26]} Bf5 {[%emt 0:00:54]} 28. Qc3 {[%emt 0:00:34]} d5 {[%emt 0:00:57]} 29. cxd5 {[%emt 0:06:13]} Qxc3 {[%emt 0:00:07]} 30. Nxc3 {[%emt 0:00:03]} cxd5 {[%emt 0:00:02]} 31. h3 {[%emt 0:03:49]} h5 {[%emt 0:04:43]} 32. Ne2 {[%emt 0:03:24]} h4 {[%emt 0:01:46]} 33. Rd1 {[%emt 0:00:36]} d4 {[%emt 0:00:39]} 34. Rd2 {[%emt 0:00:57]} Be4 {[%emt 0:01:10]} 35. Rf1 {[%emt 0:02:10]} dxe3 {[%emt 0:00:23]} 36. Rxd8 {[%emt 0:00:15]} Rxd8 {[%emt 0:00:05]} 37. Re1 {[%emt 0:00:57]} Re8 {[%emt 0:02:51]} 38. Rd1 {[%emt 0:01:17]} Rf8 {[%emt 0:02:04]} 39. Rd7+ {[%emt 0:01:54]} Rf7 {[%emt 0:00:11]} 40. Rxf7+ {[%emt 0:00:20]} Kxf7 {[%emt 0:00:05]} 41. Nc3 {[%emt 0:30:23]} Bc6 {[%emt 0:33:52]} 42. Kf1 {[%emt 0:00:21]} Ke6 {[%emt 0:00:38]} 43. Nd1 {[%emt 0:01:10]} Bxg2+ {[%emt 0:00:15]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.24"]
[White "Loiseau, Quentin"]
[Black "Gohla, Ulf"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "2471"]
[BlackElo "2217"]
[Annotator "ChessBase"]
[PlyCount "79"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:03:14]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:24]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:37]} a6 {[%emt 0:00:00]} 4. Ba4 {[%emt 0:00:05]} d6 {[%emt 0:00:19]} 5. O-O {[%emt 0:00:28]} Be7 {[%emt 0:04:50]} 6. d4 {[%emt 0:01:52]} b5 {[%emt 0:01:53]} 7. Bb3 {[%emt 0:00:37]} Nxd4 {[%emt 0:00:20]} 8. Nxd4 {[%emt 0:00:26]} exd4 {[%emt 0:00:03]} 9. Qh5 {[%emt 0:09:28]} g6 {[%emt 0:01:24]} 10. Qf3 {[%emt 0:00:14]} Be6 {[%emt 0:03:35]} 11. c3 {[%emt 0:01:06]} c5 {[%emt 0:13:03]} 12. cxd4 {[%emt 0:02:20]} c4 {[%emt 0:00:39]} 13. d5 {[%emt 0:01:08]} Bd7 {[%emt 0:01:33]} 14. Bc2 {[%emt 0:00:06]} Bg5 {[%emt 0:07:20]} 15. Nd2 {[%emt 0:14:12]} Nh6 {[%emt 0:14:58]} 16. Qg3 {[%emt 0:03:43]} O-O {[%emt 0:15:39]} 17. Qxd6 {[%emt 0:02:03]} Be7 {[%emt 0:00:29]} 18. Qf4 {[%emt 0:04:36]} Bg5 {[%emt 0:00:23]} 19. Qg3 {[%emt 0:00:25]} f5 {[%emt 0:05:58]} 20. Nf3 {[%emt 0:08:36]} Bxc1 {[%emt 0:02:03]} 21. Raxc1 {[%emt 0:00:28]} fxe4 {[%emt 0:00:20]} 22. Bxe4 {[%emt 0:00:30]} Bf5 {[%emt 0:03:27]} 23. Qf4 {[%emt 0:02:04]} Bxe4 {[%emt 0:01:37]} 24. Qxe4 {[%emt 0:00:09]} Re8 {[%emt 0:01:25]} 25. Qf4 {[%emt 0:01:41]} Nf5 {[%emt 0:00:40]} 26. Rfd1 {[%emt 0:01:04]} Re2 {[%emt 0:01:37]} 27. d6 {[%emt 0:05:50]} Qb6 {[%emt 0:02:26]} 28. Ne5 {[%emt 0:04:51]} Rd8 {[%emt 0:03:56]} 29. Nxc4 {[%emt 0:02:19]} Qc5 {[%emt 0:04:17]} 30. Qf3 {[%emt 0:04:45]} Re6 {[%emt 0:00:52]} 31. Ne3 {[%emt 0:01:30]} Qe5 {[%emt 0:00:58]} 32. Ng4 {[%emt 0:02:17]} Qxb2 {[%emt 0:00:58]} 33. d7 {[%emt 0:05:22]} Qb4 {[%emt 0:01:24]} 34. Qd5 {[%emt 0:01:01]} Qd6 {[%emt 0:00:21]} 35. Qb3 {[%emt 0:05:33]} Qe7 {[%emt 0:02:02]} 36. Rc8 {[%emt 0:00:42]} Kf7 {[%emt 0:00:25]} 37. Rxd8 {[%emt 0:03:18]} Qxd8 {[%emt 0:00:15]} 38. Qd5 {[%emt 0:02:02]} Ne7 {[%emt 0:01:48]} 39. Nh6+ {[%emt 0:00:20]} Kf6 {[%emt 0:00:22]} 40. Qd4+ {[%emt 0:00:06]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.25"]
[White "Richter, Nils"]
[Black "Vogel, Roven"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "2213"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,145,0,0,-24,41,-41,-35,-43,-37,-48,-41,-41,0,-20,0,-12,0,0,0,0,0,0,20,-15,26,31,111,75,68,79,72,93,131,159,145,169,145,40,50,0,8,7,0,0,25,25,21,14,100,48,66,70,71,68,68,68,60,55,50,56,112,-85,131,130,108,50,175,139,133,0,180,0,0,0,0,0,0,0,0,0,0,0,0,0,39,32,54,54,54,54,53,49,16,14,36,36,41,24,79,77,158,153,139,103,107,87,125,12,8,8,8,0,0,0,79,77,79,86,82,0,0,0,0,-8,-8,-8,0,-8,0,-8]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5 dxe5 7. fxe5 Nd5 8. Bc4 Nxc3 9. bxc3 c5 10. O-O {B09: Pirc Defence: Austrian Attack} Nc6 (10... Bg4 $1 $11) 11. Be3 (11. Ng5 $14 e6 12. Be3) 11... Bg4 $15 12. h3 {Black is slightly better.} Bxf3 $1 13. Rxf3 Qa5 14. Bf2 {[#]} Qc7 $146 ({Predecessor:} 14... Rad8 15. Qf1 e6 16. Bb5 cxd4 17. Bxc6 bxc6 18. cxd4 {½-½ (30) Shevchenko,K (2527)-Mchedlishvili,M (2590) Linares 2017}) 15. Qe2 Rac8 16. Bb5 Nd8 17. Bd3 $36 {[%mdl 2048] White fights for an advantage.} Ne6 18. Rb1 cxd4 19. cxd4 Rfd8 20. c3 Bh6 (20... Qxc3 $5 {[%cal Re6d4]} 21. Bxg6 Nxd4 {[%mdl 64] Double Attack} 22. Bxf7+ Kh8 23. Bxd4 Qxd4+ {[%mdl 64] Double Attack} 24. Kh1 Rc3 $11) 21. Bc2 Nf4 ({Black should play} 21... Qa5 $14) 22. Qe4 $16 Nd5 23. Be1 e6 24. a4 b6 25. Bb3 Rd7 26. c4 Ne7 27. Bb4 (27. d5 $1 $16) 27... Nc6 $14 28. Bd6 Rxd6 29. exd6 Qxd6 30. Rd1 Na5 31. Ba2 Bg7 32. Kh1 Rd8 (32... Nc6 $11 {remains equal.}) 33. Rfd3 ({White should try} 33. c5 $1 $16 {[%cal Rc5d6]} bxc5 34. Rdf1 Qxd4 35. Qb1) 33... Qb4 34. d5 exd5 $1 35. Rxd5 Rf8 36. Qc2 Nb7 $1 37. Rd7 Nc5 38. Rxa7 Qa3 ({Better is} 38... Be5 $14) 39. Rf1 $2 (39. Qe2 $16 {is forced if you want to stay better.}) 39... f5 $2 (39... Qg3 $1 $17 40. Re7 (40. Qf2 $2 Ne4 $19) 40... Be5 41. Rxe5 Qxe5) 40. Rf3 $16 Qb4 {aiming for ...Qe1+.} 41. Re3 (41. Qd1 $16) 41... Bd4 (41... Ne4 $14) 42. Ree7 Bf6 43. Re3 Bd4 {[#]} 44. Re2 $2 (44. Qd1 $1 $18 {[%cal Rd1d4][%mdl 512]} Qb2 45. Re2) 44... Ne4 $1 $11 45. Qd3 Qc5 46. Rd7 Be5 {...Ng3+ is the strong threat.} 47. Qd5+ Qxd5 48. Rxd5 Ng3+ {[%mdl 64] Double Attack} 49. Kh2 Nxe2+ 50. Rxe5 {[%mdl 4096] Endgame Strongly threatening c5+. KRB-KRN} Nc3 51. Bb3 {Threatens to win with c5+.} Kg7 52. c5 bxc5 53. Rxc5 Ne4 54. Rc7+ Kf6 55. Rxh7 Nc5 56. Bc2 Ra8 57. Rh4 Ke5 (57... Ne4 $1 $11 {keeps the balance.}) 58. Rb4 $16 Rd8 (58... Ne4 $142) 59. Rb5 Kd4 60. Bd1 Ne4 61. Bb3 Rc8 62. Be6 (62. Bf7 $16) 62... Rc1 $11 63. Bf7 Nd2 $1 64. h4 {Hoping for Rd5+.} Nf1+ 65. Kg1 {Black must now prevent Kf2.} Ne3+ (65... Ng3+ $11 66. Kh2 Nf1+ 67. Kg1 Nd2+ 68. Kh2 Nf1+) 66. Kf2 $16 {And now Rb4+ would win.} Ng4+ 67. Kg3 Ne5 68. Be8 (68. Ba2 $16) 68... Rc8 $11 {The position is equal.} 69. Bxg6 Rc3+ 70. Kf2 Rc2+ 71. Kg3 Rc3+ 72. Kf2 Rc2+ 73. Kg3 {[%mdl 32768] Accuracy: White = 45%, Black = 40%. . Sensor Board Error (Ke4/e5)?} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.26"]
[White "Parvanyan, Ashot"]
[Black "Yi, Danny"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2448"]
[BlackElo "2211"]
[Annotator "NA"]
[PlyCount "69"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:02:14]} 4. cxd5 {[%emt 0:00:08]} Nxd5 {[%emt 0:00:20]} 5. h4 {[%emt 0:00:13]} h5 {[%emt 0:01:18]} 6. e4 {[%emt 0:01:30]} Nxc3 {[%emt 0:03:11]} 7. bxc3 Bg7 8. Qb3 {[%emt 0:05:21]} O-O {[%emt 0:04:17]} 9. Ba3 {[%emt 0:07:41]} b6 {[%emt 0:05:15]} 10. Ng5 {[%emt 0:03:20]} c5 {[%emt 0:06:34]} 11. d4 {[%emt 0:10:37]} Nc6 {[%emt 0:19:30]} 12. d5 {[%emt 0:11:43]} Na5 {[%emt 0:02:25]} 13. Qc2 {[%emt 0:00:07]} Qc7 {[%emt 0:09:36]} 14. Bd3 {[%emt 0:07:48]} Qe5 {[%emt 0:05:35]} 15. Rc1 {[%emt 0:01:50]} e6 {[%emt 0:03:52]} 16. O-O {[%emt 0:05:10]} exd5 {[%emt 0:05:25]} 17. exd5 {[%emt 0:00:30]} Qf4 {[%emt 0:03:26]} 18. g3 {[%emt 0:03:08]} Qd6 {[%emt 0:00:49]} 19. Rce1 {[%emt 0:03:05]} Bg4 {[%emt 0:03:01]} 20. c4 {[%emt 0:04:44]} Bd4 {[%emt 0:05:09]} 21. Kh2 {[%emt 0:02:38]} Qf6 {[%emt 0:00:59]} 22. Bc1 {[%emt 0:02:35]} Rae8 {[%emt 0:02:25]} 23. Bf4 {[%emt 0:00:24]} Nb7 {[%emt 0:00:50]} 24. Rxe8 {[%emt 0:05:18]} Rxe8 {[%emt 0:00:01]} 25. Qa4 {[%emt 0:00:08]} Ra8 {[%emt 0:05:04]} 26. Re1 {[%emt 0:06:07]} Nd6 {[%emt 0:02:42]} 27. f3 {[%emt 0:06:10]} b5 {[%emt 0:06:51]} 28. Qa6 {[%emt 0:03:57]} Bf5 {[%emt 0:00:43]} 29. Bxf5 {[%emt 0:07:19]} Nxf5 {[%emt 0:00:08]} 30. Qxb5 {[%emt 0:01:03]} Bc3 {[%emt 0:02:10]} 31. Re8+ {[%emt 0:00:42]} Rxe8 {[%emt 0:00:01]} 32. Qxe8+ {[%emt 0:00:04]} Kg7 {[%emt 0:00:10]} 33. d6 {[%emt 0:00:57]} Nh6 {[%emt 0:01:34]} 34. d7 {[%emt 0:01:13]} Qd4 {[%emt 0:00:39]} 35. Be5+ {[%emt 0:00:21]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.27"]
[White "Delitzsch, Juergen"]
[Black "Hoffmann, Michael"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2197"]
[BlackElo "2445"]
[Annotator "NA"]
[PlyCount "37"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:03:22]} 2. c4 {[%emt 0:00:29]} e6 {[%emt 0:01:20]} 3. Nc3 {[%emt 0:02:03]} d5 {[%emt 0:01:07]} 4. d4 {[%emt 0:00:20]} c6 {[%emt 0:02:27]} 5. e3 {[%emt 0:00:20]} Nbd7 {[%emt 0:00:34]} 6. Qc2 {[%emt 0:00:55]} b6 {[%emt 0:02:22]} 7. Be2 {[%emt 0:06:25]} Bb7 {[%emt 0:01:13]} 8. O-O {[%emt 0:02:56]} Be7 {[%emt 0:11:40]} 9. Rd1 {[%emt 0:11:06]} O-O {[%emt 0:02:57]} 10. b3 {[%emt 0:02:25]} Qc7 {[%emt 0:01:50]} 11. Bb2 {[%emt 0:00:45]} Rad8 {[%emt 0:02:37]} 12. Rac1 {[%emt 0:03:26]} Qb8 {[%emt 0:02:20]} 13. cxd5 {[%emt 0:06:45]} cxd5 {[%emt 0:02:27]} 14. Qb1 {[%emt 0:01:26]} a6 {[%emt 0:03:27]} 15. Bd3 {[%emt 0:05:09]} h6 {[%emt 0:01:05]} 16. Na4 {[%emt 0:09:31]} Bd6 {[%emt 0:03:08]} 17. h3 {[%emt 0:00:35]} Rc8 {[%emt 0:02:47]} 18. Qa1 {[%emt 0:03:29]} Rxc1 {[%emt 0:04:02]} 19. Rxc1 {[%emt 0:00:20]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.28"]
[White "Womacka, Mathias"]
[Black "Goldbeck, Lars"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2436"]
[BlackElo "2203"]
[Annotator "RC"]
[PlyCount "131"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nd2 {[%emt 0:00:00]} dxe4 {[%emt 0:00:00]} 4. Nxe4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 5. Nxf6+ {[%emt 0:00:11]} exf6 {[%emt 0:00:00]} 6. Bc4 {[%emt 0:00:45]} Qe7+ {[%emt 0:01:17]} 7. Qe2 {[%emt 0:02:54]} Bg4 {[%emt 0:02:37]} 8. f3 {[%emt 0:10:04]} Be6 {[%emt 0:10:51]} 9. Bxe6 {[%emt 0:24:32]} Qxe6 {[%emt 0:02:53]} 10. Nh3 {[%emt 0:01:30]} Na6 {[%emt 0:08:41]} 11. Nf4 {[%emt 0:00:28]} Qxe2+ {[%emt 0:00:05]} 12. Kxe2 {[%emt 0:00:03]} O-O-O {[%emt 0:02:34]} 13. c3 {[%emt 0:09:00]} Bd6 {[%emt 0:13:09]} 14. Nh5 {[%emt 0:08:49]} c5 {[%emt 0:06:05]} 15. Be3 {[%emt 0:04:02]} cxd4 {[%emt 0:04:01]} 16. Bxd4 {[%emt 0:01:29]} Bc5 {[%emt 0:02:05]} 17. Rad1 {[%emt 0:08:01]} Bxd4 {[%emt 0:02:44]} 18. Rxd4 {[%emt 0:00:34]} Rxd4 {[%emt 0:00:36]} 19. cxd4 {[%emt 0:00:04]} Rd8 {[%emt 0:05:21]} 20. g4 {[%emt 0:08:23]} f5 {[%emt 0:14:05]} 21. gxf5 {[%emt 0:00:10]} Rxd4 {[%emt 0:00:28]} 22. Nxg7 {[%emt 0:00:30]} Rh4 {[%emt 0:01:16]} 23. Kf2 {[%emt 0:01:06]} Nb4 {[%emt 0:05:53]} 24. Kg3 {[%emt 0:01:00]} Rd4 {[%emt 0:03:07]} 25. a3 {[%emt 0:01:16]} Nd5 {[%emt 0:01:34]} 26. Re1 {[%emt 0:00:40]} Kd7 {[%emt 0:02:33]} 27. Nh5 {[%emt 0:03:06]} Ne7 {[%emt 0:02:37]} 28. Nf6+ {[%emt 0:02:24]} Kd6 {[%emt 0:03:18]} 29. Ne4+ {[%emt 0:00:10]} Kc6 {[%emt 0:00:33]} 30. f6 {[%emt 0:03:15]} Nd5 {[%emt 0:01:06]} 31. Rc1+ {[%emt 0:02:40]} Kd7 {[%emt 0:01:13]} 32. Nc5+ {[%emt 0:00:13]} Kd6 {[%emt 0:00:47]} 33. Nxb7+ {[%emt 0:00:13]} Ke5 {[%emt 0:00:19]} 34. Na5 {[%emt 0:04:50]} Kxf6 {[%emt 0:00:50]} 35. Rc6+ {[%emt 0:00:27]} Kf5 {[%emt 0:01:23]} 36. Rd6 {[%emt 0:00:18]} Nf4 {[%emt 0:01:07]} 37. Rxd4 {[%emt 0:00:24]} Ne2+ {[%emt 0:00:01]} 38. Kf2 {[%emt 0:00:10]} Nxd4 {[%emt 0:00:01]} 39. Ke3 {[%emt 0:01:10]} Ke5 {[%emt 0:01:07]} 40. Nc4+ {[%emt 0:02:13]} Kd5 {[%emt 0:00:05]} 41. Nd2 {[%emt 0:30:07]} Ne6 {[%emt 0:32:29]} 42. b3 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 43. b4 {[%emt 0:00:00]} Nd4 {[%emt 0:00:00]} 44. Kf4 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 45. a4 {[%emt 0:00:00]} Ke6 {[%emt 0:00:00]} 46. a5 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 47. Nb3 {[%emt 0:00:00]} Nxb4 {[%emt 0:00:00]} 48. Nd4+ {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 49. Nxf5 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 50. Nxh6 {[%emt 0:00:00]} Nxa5 {[%emt 0:00:00]} 51. Ng4+ {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 52. Ne5+ {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 53. Nd7+ {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 54. Ke4 {[%emt 0:00:00]} Nb7 {[%emt 0:00:00]} 55. f4 {[%emt 0:00:00]} Nd6+ {[%emt 0:00:00]} 56. Ke5 {[%emt 0:01:03]} Nf7+ {[%emt 0:00:00]} 57. Ke6 {[%emt 0:00:29]} Nd8+ {[%emt 0:00:00]} 58. Ke7 {[%emt 0:00:13]} Nc6+ {[%emt 0:00:00]} 59. Kd6 {[%emt 0:00:10]} Nd4 {[%emt 0:00:00]} 60. Kd5 {[%emt 0:00:23]} Nf3 {[%emt 0:00:00]} 61. Ne5+ {[%emt 0:01:23]} Nxe5 {[%emt 0:00:00]} 62. Kxe5 {[%emt 0:01:51]} Kf7 {[%emt 0:00:00]} 63. h4 {[%emt 0:00:11]} a5 {[%emt 0:00:00]} 64. Kd5 {[%emt 0:00:18]} Kg6 {[%emt 0:00:00]} 65. Kc5 {[%emt 0:00:05]} Kh5 {[%emt 0:00:00]} 66. f5 {[%emt 0:00:05]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.29"]
[White "Schnelzer, Reinhold"]
[Black "Bellia, Fabrizio"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2192"]
[BlackElo "2433"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,121,14,34,35,40,29,45,41,47,37,29,25,43,33,45,43,47,16,25,31,19,11,29,30,55,35,36,16,16,16,23,31,28,23,75,83,90,86,203,196,193,195,195,195,195,194,180,190,201,137,138,131,155,123,123,129,162,148,151,144,154,137,210,215,197,141,184,118,163,139,140,126,126,126,442,442,430,402,395,179,178,117,117,110,110,110,557,103,112,110,110,110,110,110,110,110,110,0,111,111,111,110,29973,387,360,110,360,359,428,409,349,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qc2 Bb4+ 6. Bd2 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} Bxd2+ (6... Be7 7. e4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. e5 Ne4 11. Nc3 Nxd2+ 12. Qxd2 Qd7 13. Kg2 Nc6 {1-0 (49) Kuzubov,Y (2636)-Ivanchuk,V (2686) Linares 2019}) 7. Nbxd2 d5 8. Bg2 {White is slightly better.} O-O 9. O-O Nbd7 10. Rac1 c5 11. Rfd1 Bb7 $146 ({Predecessor:} 11... Qe7 12. Qa4 Bb7 13. e3 h6 {1-0 (49) Dao,T (2510)-Kunte,A (2536) Beijing 2008}) 12. cxd5 exd5 13. e3 Qe7 14. dxc5 bxc5 15. Qb3 Nb6 16. Qa3 Nfd7 17. Nd4 Rfc8 18. Rc2 a5 19. Ne2 Ne5 20. Nf4 a4 21. Rdc1 {[%cal Rc2c5]} Nbc4 (21... Ra5 $11) 22. Nxc4 $16 dxc4 23. Nd5 Qd7 (23... Bxd5 $16 24. Bxd5 Rab8) 24. Nb6 $18 {[%mdl 64] Double Attack} Qc7 25. Nxa8 Rxa8 26. Rxc4 Nxc4 27. Rxc4 {[%mdl 64] Double Attack} Bxg2 28. Kxg2 {[%mdl 4096] Endgame KQR-KQR} Ra5 29. e4 Qa7 30. Qd3 {[%cal Rd3d8]} h6 31. Qd8+ Kh7 32. Qe8 Ra6 33. Qe5 Ra5 34. h4 Rb5 35. h5 f6 (35... Qa8 $16 36. g4 f6) 36. Qf5+ Kh8 37. Qc8+ Kh7 38. Rc2 (38. a3 $18) 38... Qe7 39. Qf5+ Kh8 40. b3 axb3 41. axb3 Kg8 $2 {[%mdl 8192]} (41... Rxb3 $16 42. Rxc5 Rd3) 42. Rd2 $1 Rb8 43. Rd7 Qf8 44. Qd5+ (44. Rc7 $142) 44... Kh8 45. g4 (45. Kh3 $18) 45... Qg8 $16 46. Qxc5 {Strongly threatening e5.} Qxb3 47. Qd5 Qb6 $2 {[%mdl 8192]} (47... Qb2 $16 {is more resistant.} 48. Qf7 Rg8) 48. Kg3 $2 (48. g5 $1 $18 {[%cal Rg5h6]} Rg8 49. Rb7) 48... Kh7 49. Qd6 Qb1 {[#] And now ...Qg1+ would win.} 50. Kh2 $1 {White threatens g5 and mate.} ({Much worse is} 50. Qxf6 $6 Qg1+ 51. Kh3 Rb3+ 52. f3 Qh1+ 53. Kg3 Qg1+ 54. Kh3 Qh1+ 55. Kg3 Qg1+ 56. Kh3 $11) 50... Qb2 51. Qd4 Qb5 52. Qd5 Qb6 53. Kg2 ({White should play} 53. Qf5+ $16 Kh8 54. Kg2) 53... Re8 (53... Kh8 $1 $11 {keeps the balance.}) 54. Qf7 $36 {[%csl Gd7][%cal Rf7g7][%mdl 2112] Double Attack. White is really pushing.} Rg8 55. Re7 Qc6 $2 {[%mdl 8192] [#]} (55... Kh8 $16 56. Qd5 Qb8) 56. Re6 $2 (56. g5 $1 {[%mdl 512] mates} Kh8 (56... fxg5 57. Re6) 57. gxh6 gxh6+ 58. Kh2 Qd6+ 59. Kh3 Qxe7 60. Qxe7 Rg5 61. Qxf6+ {[%mdl 64] Double Attack} Kg8 62. Qxh6) 56... Qa4 $18 {If Black can now play ...Kh8 this consolidates a bit.} 57. Qg6+ Kh8 {[#]} 58. Rxf6 $1 {[%mdl 512]} Qd4 (58... gxf6 59. Qxh6#) 59. Rd6 Qc5 {If only Black now had time for ...Rf8....} 60. Re6 $2 (60. Rc6 $18 Qe7 61. Qe6) 60... Rf8 $11 61. Re8 {Accuracy: White = 61%, Black = 51%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.30"]
[White "Smith, Bryan"]
[Black "Grigorieva, Yulia"]
[Result "1-0"]
[ECO "C37"]
[WhiteElo "2430"]
[BlackElo "2184"]
[Annotator "NA"]
[PlyCount "57"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:01:45]} e5 {[%emt 0:00:00]} 2. f4 {[%emt 0:00:21]} exf4 {[%emt 0:01:34]} 3. Nf3 {[%emt 0:00:11]} g5 {[%emt 0:02:03]} 4. Nc3 {[%emt 0:00:15]} d6 {[%emt 0:01:29]} 5. d4 {[%emt 0:06:19]} Bg7 {[%emt 0:01:51]} 6. g3 {[%emt 0:00:41]} g4 {[%emt 0:05:54]} 7. Nh4 {[%emt 0:01:05]} f3 {[%emt 0:03:04]} 8. Be3 {[%emt 0:02:29]} Bf6 {[%emt 0:04:43]} 9. Qd2 {[%emt 0:11:20]} Nc6 {[%emt 0:09:43]} 10. Nd5 {[%emt 0:10:30]} Bxh4 {[%emt 0:04:55]} 11. gxh4 {[%emt 0:00:06]} Be6 {[%emt 0:02:46]} 12. O-O-O {[%emt 0:04:03]} Nce7 {[%emt 0:04:00]} 13. Nf4 {[%emt 0:05:22]} d5 {[%emt 0:07:00]} 14. exd5 {[%emt 0:11:15]} Bxd5 {[%emt 0:04:27]} 15. c4 {[%emt 0:05:56]} Be4 {[%emt 0:01:42]} 16. d5 {[%emt 0:01:26]} Nf6 {[%emt 0:10:31]} 17. Bd4 {[%emt 0:01:57]} Nf5 {[%emt 0:01:47]} 18. Re1 {[%emt 0:08:17]} O-O {[%emt 0:06:33]} 19. Bxf6 {[%emt 0:01:07]} Qxf6 {[%emt 0:00:02]} 20. Rxe4 {[%emt 0:00:18]} Qxh4 {[%emt 0:02:17]} 21. Rg1 {[%emt 0:03:04]} Nd6 {[%emt 0:03:00]} 22. Re3 {[%emt 0:05:27]} Kh8 {[%emt 0:04:55]} 23. Rxf3 {[%emt 0:00:30]} Rae8 {[%emt 0:02:35]} 24. Rfg3 {[%emt 0:04:33]} Ne4 {[%emt 0:04:43]} 25. Qd4+ {[%emt 0:00:38]} f6 {[%emt 0:00:02]} 26. Rxg4 {[%emt 0:03:53]} Qe1+ {[%emt 0:02:52]} 27. Kc2 {[%emt 0:00:46]} c5 {[%emt 0:01:00]} 28. Qd3 {[%emt 0:01:43]} b5 {[%emt 0:03:15]} 29. Ng6+ {[%emt 0:00:40]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.31"]
[White "Zajogin, Alexander"]
[Black "Schultz, Andreas"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2426"]
[BlackElo "2176"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,105,21,31,14,25,7,21,0,0,0,0,0,-1,0,5,-10,17,20,20,11,40,12,27,0,62,50,56,70,45,48,39,38,41,17,31,40,39,39,46,50,26,8,60,60,60,60,60,60,60,54,85,42,92,51,120,71,86,12,47,66,82,8,292,317,307,179,382,397,862,828,1610,1610,1587,1555,1458,1355,29974,29975,29968,29970,29987,29988,29988,29986,29982,29983]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 Nbd7 8. Bd3 h6 9. Bh4 Nh5 10. Bxe7 Qxe7 11. Nge2 Nb6 12. h3 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} (12. O-O O-O 13. Rae1 Be6 14. Nc1 Rad8 15. Nb3 Rfe8 16. Nc5 Bc8 17. b4 Nc4 18. Qe2 Qg5 19. f4 Qh4 20. Bxc4 dxc4 {0-1 (37) Navara,D (2724)-Adams,M (2740) Biel 2015}) 12... Bd7 13. Qb3 $146 ({Predecessor:} 13. O-O-O O-O-O 14. g4 Nf6 15. Ng3 Kb8 16. Kb1 Rhe8 17. Rhe1 g6 18. f3 c5 19. Qf2 cxd4 20. exd4 {½-½ (71) Aliyev,R (2380)-Sevdimaliyev,U (2379) Baku 2019}) 13... Be6 14. g4 {The position is equal.} Nf6 15. Nf4 O-O-O 16. Nxe6 fxe6 17. f4 Kb8 18. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Nfd7 19. a5 Nc8 20. Na4 Ka8 21. Qc3 {Threatening a6.} Qd6 22. a6 {[#] axb7+ is the strong threat.} b5 (22... b6 $1 $11) 23. Nc5 $14 Nxc5 $1 24. dxc5 Qc7 25. O-O Rhf8 26. Qd4 Rf7 27. Kg2 Rdf8 28. h4 Ne7 29. h5 Kb8 30. b4 Kc8 31. Ra2 {[%cal Ba1a2,Ba2f2,Bf2f3,Bf3g3][%mdl 32]} Kd8 ({Black should try} 31... Rf6 $11) 32. Raf2 $36 {[%mdl 2048] White has some pressure.} Rf6 33. Rf3 R6f7 34. Qa1 Kd7 35. Rg3 Kc8 36. Qb2 Kd8 37. Qd4 Rf6 (37... Kc8 $14) 38. Qa1 R6f7 39. Kh3 (39. Rff3 $16) 39... Kc8 (39... e5 $5) 40. Rfg1 Kd8 41. g5 ({White should play} 41. Kh2 $16) 41... Nf5 $2 {[%mdl 8192]} (41... e5 $1 $11) 42. Bxf5 $1 $18 Rxf5 {[#]} 43. gxh6 $1 Rxh5+ $2 (43... Qf7 {keeps fighting.} 44. Rxg7 (44. Qa5+ Ke8 $14) 44... Qxh5+ 45. Kg3 Ke8) 44. Kg2 g5 $2 (44... g6 45. Rh1 Rxh1 46. Kxh1 Qh7) 45. Rxg5 Rxh6 46. Rg7 Rf7 47. Rg8+ Ke7 48. Rh1 Rhh7 49. Rxh7 {White mates.} Rxh7 50. Qb1 Rf7 51. Qg6 d4 52. Qg5+ Kd7 53. exd4 {Accuracy: White = 54%, Black = 30%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.32"]
[White "Meins, Gerlef"]
[Black "Tonndorf, Matthias"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2415"]
[BlackElo "2171"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:02:45]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:15]} e6 {[%emt 0:00:05]} 3. g3 {[%emt 0:01:30]} Bb4+ {[%emt 0:06:37]} 4. c3 {[%emt 0:01:35]} Ba5 {[%emt 0:02:42]} 5. Nbd2 {[%emt 0:13:36]} c6 {[%emt 0:03:16]} 6. e4 {[%emt 0:02:33]} d5 {[%emt 0:01:04]} 7. Bd3 {[%emt 0:08:20]} Bc7 {[%emt 0:02:48]} 8. O-O {[%emt 0:01:14]} O-O {[%emt 0:11:52]} 9. Re1 {[%emt 0:17:19]} b6 {[%emt 0:09:41]} 10. e5 {[%emt 0:09:33]} Nfd7 {[%emt 0:00:30]} 11. h4 {[%emt 0:01:38]} g6 {[%emt 0:06:16]} 12. Ng5 {[%emt 0:05:57]} c5 {[%emt 0:06:43]} 13. Ndf3 {[%emt 0:02:13]} Nc6 {[%emt 0:00:38]} 14. h5 {[%emt 0:02:30]} Qe8 {[%emt 0:04:47]} 15. Qd2 {[%emt 0:08:38]} f5 {[%emt 0:13:16]} 16. hxg6 {[%emt 0:05:52]} Qxg6 {[%emt 0:02:34]} 17. Kg2 {[%emt 0:02:48]} Re8 {[%emt 0:00:47]} 18. Rh1 {[%emt 0:00:41]} Nf8 {[%emt 0:00:31]} 19. Nh3 {[%emt 0:02:20]} Bd8 {[%emt 0:01:04]} 20. Nf4 {[%emt 0:00:45]} Qg4 {[%emt 0:00:49]} 21. Bb5 {[%emt 0:03:49]} Bd7 {[%emt 0:00:35]} 22. Bxc6 {[%emt 0:00:21]} Bxc6 {[%emt 0:00:13]} 23. Nh5 {[%emt 0:00:16]} Qg6 {[%emt 0:02:18]} 24. Qh6 {[%emt 0:01:27]} Nd7 {[%emt 0:06:32]} 25. Bg5 {[%emt 0:00:38]} Qxh6 {[%emt 0:01:52]} 26. Bxh6 {[%emt 0:00:03]} b5 {[%emt 0:01:27]} 27. Bg5 {[%emt 0:00:41]} Bb6 {[%emt 0:01:09]} 28. Rh4 {[%emt 0:01:25]} a5 {[%emt 0:00:48]} 29. Rah1 {[%emt 0:00:35]} Ra7 {[%emt 0:00:03]} 30. Nf6+ {[%emt 0:01:17]} Nxf6 {[%emt 0:00:05]} 31. exf6 {[%emt 0:00:11]} Rf8 {[%emt 0:04:38]} 32. Ne5 {[%emt 0:00:08]} Be8 {[%emt 0:00:24]} 33. Rh6 {[%emt 0:02:38]} cxd4 {[%emt 0:06:49]} 34. f7+ {[%emt 0:00:16]} Raxf7 {[%emt 0:01:16]} 35. Nxf7 {[%emt 0:00:18]} Bxf7 {[%emt 0:00:40]} 36. Rxh7 {[%emt 0:00:13]} Bg6 {[%emt 0:00:17]} 37. Rb7 {[%emt 0:00:51]} Bc5 {[%emt 0:01:12]} 38. Bf4 {[%emt 0:00:49]} Rf7 {[%emt 0:01:09]} 39. Rxb5 {[%emt 0:00:24]} Bf8 {[%emt 0:01:17]} 40. cxd4 {[%emt 0:00:37]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.33"]
[White "Paris, Michael"]
[Black "Badelka, Olga"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2186"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,89,14,13,10,0,8,0,0,-17,-18,-3,-6,-4,-6,-14,-3,-28,-7,-16,-12,-21,-21,-54,-34,-122,-104,-121,-112,-111,-119,-110,-57,-58,-56,-72,-70,-63,0,0,10,13,35,0,197,0,0,0,0,0,0,9,62,0,0,0,185,162,658,677,670,670,670,670,619,608]} 1. d4 ({Predecessor:} 1. Nf3 g6 2. d4 Bg7 3. e3 c5 4. dxc5 Qa5+ 5. Nbd2 Qxc5 6. c4 b6 7. a3 Bb7 8. Be2 Qc7 9. O-O Nf6 10. Nd4 O-O 11. b4 d6 12. Bb2 Nbd7 13. Rc1 Rac8 14. Qb3 a6 15. Rfd1 Ne5 16. N4f3 Ned7 17. Ne1 {½-½ (18) Kaenel,H (2356)-Zueger,B (2395) Samnaun 2004}) 1... Nf6 2. Nf3 c5 3. e3 g6 4. dxc5 Qa5+ 5. Nbd2 Bg7 6. a3 Qxc5 7. b4 Qc7 8. Bb2 O-O 9. c4 b6 10. Be2 Bb7 11. O-O d6 12. Qb3 Nbd7 13. Rac1 Rac8 14. Rfd1 Qb8 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} 15. Ne1 $146 (15. Nb1 Ne4 16. Bxg7 Kxg7 17. Nfd2 Ndf6 18. Nxe4 Bxe4 19. Nc3 Bc6 20. Bf1 Rc7 21. f3 Qc8 22. e4 {0-1 (65) Aleksandrov,A (2589)-McShane,L (2640) Katowice 2017}) 15... a6 16. Bf3 Rc7 {The position is equal.} 17. Rc2 Rfc8 18. Rdc1 e5 19. Qd3 Bf8 20. h3 Be7 21. e4 Nf8 22. g3 Ne6 23. h4 Bc6 24. Qb3 Qa8 {[%cal Rf6e4]} 25. c5 ({White should play} 25. Qe3 $15) 25... bxc5 $17 26. bxc5 Nxc5 27. Rxc5 dxc5 28. Bxe5 Rb7 (28... Nxe4 $2 29. Nxe4 (29. Bxe4 Rd7 $16) 29... Bxe4 30. Bxe4 $18) (28... Rd7 $17 29. Qe3 Re8) 29. Qe3 $15 Nd7 30. Bc3 Qb8 31. Nd3 {[#]} Re8 (31... c4 $1 $15 32. Nb4 (32. Nxc4 Bb5) 32... Bxb4 33. axb4 Ne5) 32. h5 $11 (32. Qh6 Bf8 $17) 32... Bf8 33. hxg6 fxg6 34. Bg4 $40 {[%mdl 128] [#] Black needs to defend precisely.} Bg7 $2 (34... a5 $1 $11 {and Black stays safe.}) 35. Bxd7 $2 ({White must play} 35. Bxg7 $18 Kxg7 36. Nxc5) 35... Rxd7 36. Nxc5 Rf7 37. Bxg7 Rxg7 38. Nxa6 Qa8 ({Better is} 38... Qd6 $11) 39. Qb6 (39. Nc5 $1 $14) 39... Bxe4 {...Bh1 is the strong threat.} 40. Nc7 $1 {[%cal Rc7e8]} Rxc7 $2 (40... Qxa3 $11 {and Black has nothing to worry.} 41. Re1 {[#]} Rxc7 $1 {[%mdl 512]} 42. Qxc7 Qb4) 41. Rxc7 $18 {Qf6 would kill now.} ({Don't do} 41. Qxc7 $6 Bd5 $16) 41... Bh1 $2 (41... Bd5) 42. f3 $1 {Intending Qb3+ and mate.White is clearly winning.} Qd5 43. Qb2 {[%csl Gc7][%cal Rb2g7]} ({Don't go for} 43. Kxh1 $2 Re1+ 44. Qg1 Qxd2 $19) 43... Qe5 44. Qxe5 Rxe5 45. Ne4 {Accuracy: White = 43%, Black = 45%.} ({Weaker is} 45. Kxh1 Re1+ 46. Kh2 Re2+ 47. Kh3 Rxd2 $18) 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.34"]
[White "Zysk, Robert"]
[Black "Loew, Gerald"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2412"]
[BlackElo "2162"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,112,11,4,2,-4,-4,-55,-10,-17,34,14,45,44,35,41,42,32,66,57,85,84,99,93,106,99,86,78,90,96,97,79,108,103,89,97,97,79,81,73,133,134,138,149,133,141,126,31,84,88,194,148,161,134,134,135,193,178,179,152,137,142,125,0,113,27,18,-110,-127,-266,-249,-414,-410,-406,-383,-374,-365,-494,-620,-608,-618,-618,-601,-581,-568,-558,0,0,0,0,0,0,0,0,0,0,0,-2757,-3638,-29966,-6422,-29987,-29988,-29987,-29988]} 1. d4 d6 2. c4 e5 3. e3 Be7 4. Nc3 f5 5. g3 Nf6 6. Bg2 c6 {A21: English Opening: 1...e5 2 Nc3} (6... O-O 7. Nge2 Na6 8. O-O c6 9. b3 e4 10. d5 Nc5 11. f3 cxd5 12. cxd5 exf3 13. Bxf3 Bd7 14. Nd4 Rc8 15. Nce2 {½-½ (28) Ernst,S (2548)-Efimenko,Z (2636) Germany 2017}) 7. Nge2 O-O 8. b4 (8. h4 $11) 8... Kh8 {Black is slightly better.} 9. O-O Qe8 $146 (9... Be6 $11) ({Predecessor:} 9... Nbd7 10. Qc2 Nb6 11. c5 Nbd5 12. cxd6 Bxd6 13. dxe5 Bxe5 14. Rb1 {1-0 (56) Leitner,G (2206)-Gattermayer,R (2004) Austria 2013}) 10. b5 $14 a6 {[%cal Ra6b5]} (10... Be6 $5 {[%cal Re6c4]}) 11. bxc6 Nxc6 12. Nd5 Nxd5 13. cxd5 Nd8 14. Ba3 {dxe5 is the strong threat.} Nf7 15. dxe5 Nxe5 16. Rc1 Bd7 17. Nd4 Bb5 18. Re1 Qd7 19. Rb1 Bd3 20. Rb3 Be4 21. f4 Bxg2 22. Kxg2 Nc4 23. Bc1 Rac8 24. Ne6 Rf6 ({Black should try} 24... Rf7) 25. Bb2 $16 Rxe6 26. dxe6 Qxe6 27. Qd3 $1 b5 28. Bd4 (28. e4 $16) 28... Bf6 (28... d5 $14) 29. Bxf6 Qxf6 (29... gxf6 $16 30. Kg1 d5) 30. Qd4 Qf7 31. Rd3 h6 32. Qd5 Qf6 (32... Qe8 $16 33. Kf2 (33. Qxf5 Rc5 $11) 33... Rc5) 33. Re2 Rc5 34. Qa8+ Kh7 35. e4 ({Much worse is} 35. Qxa6 $6 Qa1 $11) 35... Qe6 36. Qb7 (36. Kf2 $16) 36... Na5 (36... Qe8 $1 $11) 37. Qxa6 (37. Qb8 $1 $16) 37... Nc6 $11 38. Rde3 {[#]} (38. Qa3 $11 {keeps the balance.}) 38... Nd4 $1 $17 39. Rf2 (39. Qb7 $17 {is a better defense.} Nxe2 40. Rxe2) 39... fxe4 $19 40. Qb7 $2 (40. Qa8 d5 41. Qf8) 40... d5 {And now ...Nc2 would win.} 41. Qa7 Rc4 42. g4 {[#]} Nc2 $1 {[%cal Rc2e3]} 43. Rg3 {White wants to play f5.} e3 {Strongly threatening ...Qe4+.} 44. Re2 Qe4+ {[%mdl 64] Double Attack} 45. Kh3 Qxf4 {Threatens to win with ...Qf1+.} 46. Qd7 d4 47. Qd5 Rc3 $2 (47... Nb4 $19 48. Qf3 Qxf3 49. Rxf3 Nd5) 48. g5 $1 $11 {[%cal Rg5g6] g6+ would kill now.} hxg5 (48... h5 $5 49. g6+ $8 {[%mdl 64] Discovered Attack} Kh6 $11) 49. Rxg5 $40 {[%mdl 128] Threatening mate with Rh5+. White attacks.} g6 50. Qd7+ Kh6 51. Rxg6+ Kxg6 52. Rg2+ Kf6 53. Qg7+ $2 {[%mdl 8192]} (53. Qd8+ $11 Ke5 54. Qe8+ Kd6 55. Rg6+ Kc5 56. Rc6+ Kb4 57. Qe7+ Ka5 58. Qa7+ Kb4 59. Qe7+ Ka5 60. Qa7+ Kb4 61. Qe7+) 53... Ke6 $19 54. Rg6+ Kd5 {( -> ...e2+)} 55. Rg5+ Kc4 56. Qg8+ Kb4 {Accuracy: White = 60%, Black = 52%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.35"]
[White "Kraich, Klaus"]
[Black "Gschnitzer, Adrian"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2183"]
[BlackElo "2412"]
[Annotator "NA"]
[PlyCount "58"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:33]} 3. e3 {[%emt 0:00:19]} d5 {[%emt 0:00:20]} 4. b3 {[%emt 0:05:39]} e6 {[%emt 0:00:31]} 5. Bd3 {[%emt 0:00:46]} Nc6 {[%emt 0:00:10]} 6. O-O {[%emt 0:00:41]} Bd6 {[%emt 0:00:44]} 7. Bb2 {[%emt 0:01:10]} b6 {[%emt 0:00:10]} 8. Nbd2 {[%emt 0:02:27]} O-O {[%emt 0:02:07]} 9. c4 {[%emt 0:04:12]} Bb7 {[%emt 0:03:46]} 10. Rc1 {[%emt 0:02:48]} cxd4 {[%emt 0:19:36]} 11. exd4 {[%emt 0:09:19]} Rc8 {[%emt 0:04:02]} 12. Qe2 {[%emt 0:03:30]} Ne7 {[%emt 0:03:07]} 13. Ne5 {[%emt 0:04:24]} dxc4 {[%emt 0:01:37]} 14. Ndxc4 {[%emt 0:01:19]} Bb8 {[%emt 0:00:49]} 15. Ne3 {[%emt 0:11:37]} Ned5 {[%emt 0:07:17]} 16. Rxc8 {[%emt 0:06:35]} Qxc8 {[%emt 0:00:14]} 17. Rc1 {[%emt 0:00:58]} Nf4 {[%emt 0:00:48]} 18. Qf1 {[%emt 0:07:37]} Qd8 {[%emt 0:01:57]} 19. Ba6 {[%emt 0:02:08]} Bxa6 {[%emt 0:09:06]} 20. Qxa6 {[%emt 0:00:02]} Ne4 {[%emt 0:00:51]} 21. Nf3 {[%emt 0:08:42]} Bd6 {[%emt 0:00:18]} 22. Rc2 {[%emt 0:04:42]} Qe7 {[%emt 0:07:12]} 23. Kf1 {[%emt 0:00:17]} h5 {[%emt 0:01:59]} 24. Qb5 {[%emt 0:02:35]} Qb7 {[%emt 0:07:05]} 25. Nc4 {[%emt 0:06:19]} Rc8 {[%emt 0:02:43]} 26. Ne1 {[%emt 0:06:19]} Rc6 {[%emt 0:06:47]} 27. Nxd6 {[%emt 0:06:27]} Rxc2 {[%emt 0:00:55]} 28. Qe8+ {[%emt 0:00:58]} Kh7 {[%emt 0:00:12]} 29. Nxc2 {[%emt 0:00:12]} Nxd6 {[%emt 0:00:22]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.36"]
[White "Klimkowski, Jan"]
[Black "Miller, Eduard"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "2174"]
[BlackElo "2402"]
[Annotator "NA"]
[PlyCount "98"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 {[%emt 0:04:20]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:00]} g6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:07]} 6. Be3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:08]} 7. Nxc6 {[%emt 0:00:06]} bxc6 {[%emt 0:03:56]} 8. e5 {[%emt 0:00:24]} Nd5 {[%emt 0:04:35]} 9. Nxd5 {[%emt 0:01:27]} cxd5 {[%emt 0:00:04]} 10. Qxd5 {[%emt 0:01:19]} Rb8 {[%emt 0:00:06]} 11. Bc4 {[%emt 0:01:55]} O-O {[%emt 0:05:50]} 12. O-O {[%emt 0:01:55]} Bb7 {[%emt 0:01:09]} 13. Qd3 {[%emt 0:03:04]} Bxe5 {[%emt 0:04:36]} 14. Bxa7 {[%emt 0:07:08]} Rc8 {[%emt 0:00:22]} 15. Bd4 {[%emt 0:01:31]} Bxd4 {[%emt 0:03:05]} 16. Qxd4 {[%emt 0:00:15]} Qc7 {[%emt 0:00:08]} 17. Bb3 {[%emt 0:03:44]} e5 {[%emt 0:00:38]} 18. Qd2 {[%emt 0:01:23]} Qc6 {[%emt 0:01:05]} 19. f4 {[%emt 0:04:24]} e4 {[%emt 0:01:34]} 20. Qe3 {[%emt 0:06:22]} d5 {[%emt 0:03:07]} 21. Rad1 {[%emt 0:06:26]} Ba6 {[%emt 0:14:52]} 22. Rf2 {[%emt 0:01:11]} Bc4 {[%emt 0:00:08]} 23. f5 {[%emt 0:02:23]} Rfe8 {[%emt 0:04:12]} 24. Bxc4 {[%emt 0:03:10]} Qxc4 {[%emt 0:04:42]} 25. f6 {[%emt 0:07:30]} Qc5 {[%emt 0:02:36]} 26. Qh6 {[%emt 0:01:58]} Qf8 {[%emt 0:00:05]} 27. Qxf8+ {[%emt 0:00:04]} Kxf8 {[%emt 0:00:04]} 28. Rxd5 {[%emt 0:00:16]} Rc6 {[%emt 0:00:07]} 29. g3 {[%emt 0:04:59]} e3 {[%emt 0:01:44]} 30. Re2 {[%emt 0:00:03]} Rxf6 {[%emt 0:00:06]} 31. Rd3 {[%emt 0:00:10]} Rfe6 {[%emt 0:00:39]} 32. Kg2 {[%emt 0:00:35]} g5 {[%emt 0:01:07]} 33. c4 {[%emt 0:02:29]} Re4 {[%emt 0:02:37]} 34. Rc3 {[%emt 0:01:26]} Rd4 {[%emt 0:03:41]} 35. b3 {[%emt 0:05:37]} g4 {[%emt 0:11:05]} 36. a3 {[%emt 0:06:54]} Rd2 {[%emt 0:00:43]} 37. Kf1 {[%emt 0:00:19]} Rd1+ {[%emt 0:00:23]} 38. Re1 {[%emt 0:02:03]} Rd2 {[%emt 0:02:26]} 39. Rcxe3 {[%emt 0:01:22]} Ra8 {[%emt 0:04:01]} 40. b4 {[%emt 0:04:57]} Rxh2 {[%emt 0:00:24]} 41. c5 {[%emt 0:31:19]} Ra6 {[%emt 0:31:42]} 42. R3e2 {[%emt 0:05:43]} Rh3 {[%emt 0:03:30]} 43. b5 {[%emt 0:06:20]} Rxa3 {[%emt 0:14:40]} 44. c6 {[%emt 0:02:02]} Rf3+ {[%emt 0:00:12]} 45. Rf2 {[%emt 0:01:25]} Rc3 {[%emt 0:00:03]} 46. Rg2 {[%emt 0:03:31]} Rc5 {[%emt 0:01:15]} 47. Rb1 {[%emt 0:02:25]} Rh1+ {[%emt 0:00:06]} 48. Rg1 {[%emt 0:00:05]} Rh2 {[%emt 0:00:03]} 49. Rg2 {[%emt 0:00:38]} Rh1+ {[%emt 0:00:08]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.37"]
[White "Huber, Benedikt"]
[Black "Soham Das"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2167"]
[BlackElo "2376"]
[Annotator "NA"]
[PlyCount "59"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} f5 {[%emt 0:01:22]} 2. Bg5 {[%emt 0:00:14]} g6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:21]} Bg7 {[%emt 0:00:13]} 4. e3 {[%emt 0:00:31]} d6 {[%emt 0:00:55]} 5. Bc4 {[%emt 0:01:32]} c6 {[%emt 0:01:15]} 6. Nge2 {[%emt 0:00:55]} d5 {[%emt 0:14:38]} 7. Bb3 {[%emt 0:01:53]} Qa5 {[%emt 0:10:40]} 8. Qd2 {[%emt 0:07:41]} Nd7 {[%emt 0:16:18]} 9. f3 {[%emt 0:06:05]} h6 {[%emt 0:20:33]} 10. Bh4 {[%emt 0:01:18]} Ngf6 {[%emt 0:03:15]} 11. Bxf6 {[%emt 0:01:30]} Nxf6 {[%emt 0:04:47]} 12. Nf4 {[%emt 0:00:09]} g5 {[%emt 0:00:19]} 13. Nd3 {[%emt 0:00:49]} Nd7 {[%emt 0:03:20]} 14. O-O-O {[%emt 0:04:25]} e5 {[%emt 0:00:10]} 15. h4 {[%emt 0:06:54]} Qd8 {[%emt 0:05:38]} 16. dxe5 {[%emt 0:20:59]} Nxe5 {[%emt 0:00:36]} 17. Nxe5 {[%emt 0:00:35]} Bxe5 {[%emt 0:00:02]} 18. f4 {[%emt 0:00:21]} Bg7 {[%emt 0:03:32]} 19. hxg5 {[%emt 0:02:50]} hxg5 {[%emt 0:00:02]} 20. Rxh8+ {[%emt 0:18:37]} Bxh8 {[%emt 0:00:01]} 21. fxg5 {[%emt 0:02:20]} Be6 {[%emt 0:05:28]} 22. e4 {[%emt 0:05:14]} Bxc3 {[%emt 0:04:50]} 23. bxc3 {[%emt 0:00:23]} fxe4 {[%emt 0:00:03]} 24. Rh1 {[%emt 0:00:29]} Bg8 {[%emt 0:01:27]} 25. Rh8 {[%emt 0:01:02]} Kd7 {[%emt 0:00:12]} 26. c4 {[%emt 0:00:43]} Kc7 {[%emt 0:02:44]} 27. cxd5 {[%emt 0:00:30]} cxd5 {[%emt 0:00:31]} 28. Bxd5 {[%emt 0:01:28]} Qd6 {[%emt 0:00:31]} 29. Qc3+ {[%emt 0:03:22]} Kb6 {[%emt 0:00:24]} 30. Rh6 {[%emt 0:00:34]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.38"]
[White "Hess, Max"]
[Black "Renner, Kai"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2373"]
[BlackElo "2153"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,149,30,11,52,56,60,63,75,54,45,41,51,0,0,0,0,-27,-10,-27,-17,-33,-7,-31,62,5,13,0,0,0,0,-81,-89,-156,-8,-14,-11,-20,91,78,399,411,805,799,763,726,29986,29987,29987,29983,29990,12816,6407,6407,5310,5310,2239,2204,1732,1618,1250,370,1202,272,272,263,252,38,400,363,363,268,274,271,260,113,113,101,134,128,508,508,1746,282,1555,1320,12845,12845,12848,12848,12850,27999,12851,12851,12851,12851,12851,12851,12851,27999,12851,12851,12851,12851,27975,27975,27976,27976,27977,27976,27977,27977,27980,27980,27981,27981,27987,27983,27984,27982,27983,27983,27984,27984,27985,27985,27990,27990,27991,27991,27995,27995,27996,27996,27997,27997,27998,27998,27999,27998]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Qd3 d6 {B41: Sicilian: Kan Variation: 5 c4} (7... b6 8. Qg3 d6 9. Bd3 Bb7 10. O-O Nbd7 11. Re1 Ne5 12. Bf1 Be7 13. b3 O-O 14. Bb2 Ng6 15. Rac1 {1-0 (48) Fedoseev,V (2718)-Artemiev,V (2691) Riadh 2017}) 8. Be2 Nbd7 9. f4 Be7 $146 {White is slightly better.} ({Predecessor:} 9... b6 10. O-O Bb7 11. Nb3 g6 12. Be3 Be7 13. Rac1 Rc8 14. g4 h6 15. Bf3 {½-½ (69) Arfan,A (2258)-Farkas,T (2313) Budapest 2019}) 10. Be3 O-O 11. O-O Re8 12. Bf3 (12. Qc2 $14) 12... e5 $11 {Hoping for ...Nc5.} 13. Nf5 Bf8 14. g4 exf4 15. Bxf4 Ne5 16. Bxe5 dxe5 17. g5 Nd7 (17... Bxf5 $1 $15 18. exf5 Rad8) 18. Nd5 (18. Bh5 $14 Nb6 19. Nh6+ gxh6 20. Bxf7+ {[%mdl 64] Double Attack} Kh8 21. Bxe8 Bc5+ 22. Kh1) 18... Qd8 $1 19. Rad1 $36 {[%mdl 2048] White fights for an advantage.} Qxg5+ 20. Kh1 Nc5 21. Qe2 (21. Qe3 $11 Qxe3 22. Nfxe3) 21... Bxf5 $17 22. Rg1 (22. exf5 $142 e4 23. Qg2 Qxg2+ 24. Bxg2) 22... Qd8 (22... Qh6 $1 $17 {White must now prevent ...Bg6.} 23. exf5 e4) 23. exf5 $11 e4 24. Bh5 {aiming for Bxf7+!} Nd7 {[#]} (24... Qd6 $11 {remains equal.}) 25. c5 $1 $16 Nf6 $2 {[%mdl 8192] [#]} ({Weaker is} 25... Nxc5 26. Qc4 $17) (25... Ne5 $16 26. f6 g6) 26. Bxf7+ $1 $18 {[%mdl 512]} Kxf7 (26... Kh8 $142 27. Bxe8 Bxc5) 27. Qc4 Nxd5 28. Rxd5 {Rd6+ would kill now.} b5 29. Rd7+ {[%mdl 64] Discovered Attack (Double check)} Kf6 30. Qd4+ Kxf5 31. Rf1+ (31. Qf2+ $142 Ke5 32. Qg3+ Ke6 33. Qg4+ Ke5 34. Qh5+ {[%mdl 64] Double Attack} g5 35. Rxg5+ Qxg5 36. Qxg5+ Ke6 37. Qd5+ {[%mdl 64] Double Attack} Kf6 38. Rf7+ Kg6 39. Qf5+ Kh6 40. Rxh7#) 31... Kg6 32. Rxd8 Raxd8 33. Qg1+ Kh6 34. Qe3+ g5 35. Rf6+ Kg7 36. Qxg5+ Kh8 37. Rf1 $2 (37. Rf7 e3 38. Qf6+ {[%mdl 64] Double Attack} Kg8 39. Rc7 Rd1+ 40. Kg2 Rd2+ 41. Kh3) 37... Bg7 38. Re1 Bxb2 39. c6 $2 (39. Qf4 $18) 39... e3 $2 {[%mdl 8192]} (39... Bc3 $1 $14) 40. c7 Rc8 41. Rxe3 Rxe3 42. Qxe3 Rxc7 {[%mdl 4096] Endgame KQ-KRB} 43. Qe8+ (43. Qb6 $18 {has better winning chances.} Rc1+ 44. Kg2 Rc2+ 45. Kf3) 43... Kg7 $16 44. Qa8 {Threatens to win with Qg2+.} Be5 {intending ...Rc1+.} 45. Qxa6 Rc2 $2 {[%mdl 8192]} (45... Bf6 $16 46. Qxb5 Rc1+ 47. Kg2 Rc2+ 48. Kf3 Rxa2 49. Qb7+ Kh6) 46. Qxb5 $18 Rxh2+ 47. Kg1 Kf6 $2 (47... Rh5 48. Qd7+ Kf6) 48. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rb2 49. Qc6+ Kf5 50. Qd7+ Ke4 51. Qxh7+ Kd5 52. a5 Bd4+ 53. Kf1 Rf2+ 54. Ke1 Rf6 55. Qb7+ Rc6 56. a6 Kd6 57. a7 Bxa7 58. Qxa7 {KQ-KR. White mates.} Kd5 59. Kd2 Rf6 60. Ke3 Re6+ 61. Kd3 Rd6 62. Qa5+ Ke6+ 63. Ke4 Rd7 64. Qc5 Rd6 65. Qf5+ Ke7 66. Ke5 Rc6 67. Qh7+ Kd8 68. Qf7 Rc7 69. Qf8+ Kd7 70. Kd5 Rc1 71. Qf5+ Ke8 72. Qg6+ Kd7 73. Qg4+ Ke8 74. Kd6 {[%cal Rg4g8]} Rf1 75. Qg8+ {Accuracy: White = 56%, Black = 33%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.39"]
[White "Danielmeier, Ralf"]
[Black "Zude, Arno"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "2054"]
[BlackElo "2372"]
[Annotator "NA"]
[PlyCount "64"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Bc4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. d3 {[%emt 0:00:07]} c6 {[%emt 0:00:13]} 4. Nf3 {[%emt 0:00:51]} Be7 {[%emt 0:00:41]} 5. O-O {[%emt 0:00:45]} d6 {[%emt 0:00:09]} 6. h3 {[%emt 0:00:43]} O-O {[%emt 0:00:13]} 7. Nc3 {[%emt 0:00:58]} Nbd7 {[%emt 0:03:49]} 8. a4 {[%emt 0:00:56]} h6 {[%emt 0:06:13]} 9. Be3 {[%emt 0:12:14]} Re8 {[%emt 0:02:45]} 10. Nh2 {[%emt 0:12:40]} Bf8 {[%emt 0:05:47]} 11. a5 {[%emt 0:04:10]} Nc5 {[%emt 0:05:15]} 12. Qf3 {[%emt 0:10:31]} Be6 {[%emt 0:11:13]} 13. Ng4 {[%emt 0:09:50]} Nxg4 {[%emt 0:10:15]} 14. Bxe6 {[%emt 0:04:42]} Rxe6 {[%emt 0:01:54]} 15. Bxc5 {[%emt 0:09:13]} Nf6 {[%emt 0:00:18]} 16. Be3 {[%emt 0:03:13]} d5 {[%emt 0:00:57]} 17. Bd2 {[%emt 0:04:11]} a6 {[%emt 0:03:25]} 18. g4 {[%emt 0:02:11]} Bb4 {[%emt 0:08:43]} 19. exd5 {[%emt 0:04:36]} cxd5 {[%emt 0:08:41]} 20. Nb1 {[%emt 0:02:01]} e4 {[%emt 0:02:53]} 21. Qd1 {[%emt 0:01:56]} Bd6 {[%emt 0:01:29]} 22. Nc3 {[%emt 0:04:35]} Bc7 {[%emt 0:07:29]} 23. Ne2 {[%emt 0:01:03]} Nxg4 {[%emt 0:06:37]} 24. hxg4 {[%emt 0:07:01]} Qh4 {[%emt 0:00:31]} 25. Bf4 {[%emt 0:02:20]} exd3 {[%emt 0:04:26]} 26. Qxd3 {[%emt 0:01:21]} Qxg4+ {[%emt 0:00:29]} 27. Bg3 {[%emt 0:00:36]} Rxe2 {[%emt 0:00:14]} 28. Ra4 {[%emt 0:00:38]} Re4 {[%emt 0:01:44]} 29. Rxe4 {[%emt 0:00:36]} dxe4 {[%emt 0:00:02]} 30. Qd1 {[%emt 0:00:03]} Qg5 {[%emt 0:01:14]} 31. Kg2 {[%emt 0:00:10]} Rd8 32. Qe1 {[%emt 0:01:07]} Rd2 {[%emt 0:01:57]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.40"]
[White "Moehn, Hans"]
[Black "Poelt, Christoph"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2370"]
[BlackElo "2094"]
[Annotator "NA"]
[PlyCount "71"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:03:17]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:06]} Bg7 {[%emt 0:00:03]} 4. e3 {[%emt 0:00:07]} d5 {[%emt 0:01:20]} 5. cxd5 {[%emt 0:00:18]} Nxd5 {[%emt 0:00:09]} 6. e4 {[%emt 0:01:24]} Nb6 {[%emt 0:01:07]} 7. Be2 {[%emt 0:00:35]} Bg4 {[%emt 0:03:49]} 8. Nbd2 {[%emt 0:00:32]} O-O {[%emt 0:03:09]} 9. h3 {[%emt 0:05:15]} Be6 {[%emt 0:13:23]} 10. Nb3 {[%emt 0:09:38]} Bc4 {[%emt 0:10:27]} 11. Na5 {[%emt 0:05:37]} Bxe2 {[%emt 0:01:49]} 12. Qxe2 {[%emt 0:00:20]} Qc8 {[%emt 0:15:56]} 13. Bd2 {[%emt 0:12:42]} Na6 {[%emt 0:08:47]} 14. Rc1 {[%emt 0:01:26]} c6 {[%emt 0:02:23]} 15. d5 {[%emt 0:07:06]} c5 {[%emt 0:07:05]} 16. b4 {[%emt 0:04:57]} Nd7 {[%emt 0:01:41]} 17. O-O {[%emt 0:01:23]} b6 {[%emt 0:03:55]} 18. Nc6 {[%emt 0:07:30]} Re8 {[%emt 0:01:32]} 19. b5 {[%emt 0:00:31]} Nab8 {[%emt 0:01:13]} 20. e5 {[%emt 0:07:51]} Nf8 {[%emt 0:06:50]} 21. Bg5 {[%emt 0:04:41]} Nxc6 {[%emt 0:01:24]} 22. dxc6 {[%emt 0:00:33]} Ne6 {[%emt 0:01:55]} 23. Rfd1 {[%emt 0:01:01]} a6 {[%emt 0:02:38]} 24. a4 {[%emt 0:01:00]} axb5 {[%emt 0:02:13]} 25. axb5 {[%emt 0:00:05]} Ra5 {[%emt 0:01:05]} 26. Rd7 {[%emt 0:01:37]} Nc7 {[%emt 0:02:11]} 27. Rb1 {[%emt 0:01:13]} e6 {[%emt 0:00:22]} 28. Qc4 {[%emt 0:08:43]} Nd5 {[%emt 0:01:27]} 29. Rd1 {[%emt 0:01:13]} h6 {[%emt 0:01:00]} 30. R1xd5 {[%emt 0:01:14]} exd5 {[%emt 0:02:29]} 31. Qxd5 {[%emt 0:00:07]} Rf8 {[%emt 0:00:52]} 32. Be7 {[%emt 0:00:43]} Re8 {[%emt 0:00:21]} 33. e6 {[%emt 0:04:52]} fxe6 {[%emt 0:02:08]} 34. Qxe6+ {[%emt 0:00:05]} Kh8 {[%emt 0:00:10]} 35. Qxg6 {[%emt 0:03:24]} Rg8 {[%emt 0:00:49]} 36. Bf6 {[%emt 0:00:38]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.41"]
[White "Fehmer, Carsten"]
[Black "Ries, Berthold"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2092"]
[BlackElo "1854"]
[Annotator "NA"]
[PlyCount "80"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:10]} 2. c4 {[%emt 0:00:43]} Nc6 {[%emt 0:00:20]} 3. g3 {[%emt 0:00:18]} e5 {[%emt 0:01:06]} 4. Nc3 {[%emt 0:00:47]} Nf6 {[%emt 0:01:14]} 5. Bg2 {[%emt 0:01:35]} Be7 {[%emt 0:03:18]} 6. O-O {[%emt 0:02:28]} O-O {[%emt 0:02:44]} 7. Ne1 {[%emt 0:09:50]} d6 {[%emt 0:10:44]} 8. Nc2 {[%emt 0:02:41]} Be6 {[%emt 0:07:23]} 9. Ne3 {[%emt 0:01:09]} Qd7 {[%emt 0:03:10]} 10. d3 {[%emt 0:15:02]} Bh3 {[%emt 0:04:21]} 11. Ned5 {[%emt 0:02:47]} Bxg2 {[%emt 0:07:43]} 12. Nxf6+ {[%emt 0:03:11]} Bxf6 {[%emt 0:01:26]} 13. Kxg2 {[%emt 0:00:08]} g6 {[%emt 0:04:13]} 14. e4 {[%emt 0:07:41]} Bg7 {[%emt 0:06:38]} 15. Nd5 {[%emt 0:10:48]} Ne7 {[%emt 0:01:52]} 16. Nxe7+ {[%emt 0:02:30]} Qxe7 {[%emt 0:00:16]} 17. f3 {[%emt 0:01:45]} Qd7 {[%emt 0:06:00]} 18. a4 {[%emt 0:03:00]} b6 {[%emt 0:05:12]} 19. Bd2 {[%emt 0:05:34]} a6 {[%emt 0:08:29]} 20. Qc2 {[%emt 0:05:11]} f5 {[%emt 0:03:33]} 21. Rfb1 {[%emt 0:03:43]} f4 {[%emt 0:02:36]} 22. g4 {[%emt 0:00:36]} a5 {[%emt 0:00:12]} 23. Qd1 {[%emt 0:03:49]} Bf6 {[%emt 0:02:07]} 24. Qb3 {[%emt 0:02:30]} Rab8 {[%emt 0:01:48]} 25. Qb5 {[%emt 0:04:15]} Qxb5 {[%emt 0:00:26]} 26. axb5 {[%emt 0:00:10]} Ra8 {[%emt 0:02:04]} 27. Be1 {[%emt 0:01:02]} h6 {[%emt 0:00:39]} 28. Bf2 {[%emt 0:00:49]} Kg7 {[%emt 0:00:50]} 29. Rg1 {[%emt 0:01:01]} Rh8 {[%emt 0:01:04]} 30. h4 {[%emt 0:01:35]} g5 {[%emt 0:01:02]} 31. hxg5 {[%emt 0:03:04]} hxg5 {[%emt 0:00:11]} 32. Rh1 {[%emt 0:00:16]} Rxh1 {[%emt 0:00:33]} 33. Kxh1 {[%emt 0:00:16]} Be7 {[%emt 0:00:28]} 34. Kg2 {[%emt 0:00:19]} Bd8 {[%emt 0:01:17]} 35. Be1 {[%emt 0:01:27]} Rc8 {[%emt 0:01:44]} 36. Bf2 {[%emt 0:01:15]} Bc7 {[%emt 0:01:58]} 37. Rh1 {[%emt 0:00:45]} Rh8 {[%emt 0:00:09]} 38. Ra1 {[%emt 0:01:40]} Re8 {[%emt 0:01:43]} 39. Be1 {[%emt 0:00:30]} Rc8 {[%emt 0:03:05]} 40. Bf2 {[%emt 0:01:04]} Re8 {[%emt 0:00:17]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.42"]
[White "Dietzsch, Herbert"]
[Black "Weber, Ulrich"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2036"]
[BlackElo "2360"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,104,58,28,27,25,15,22,31,13,19,17,25,28,35,10,28,36,33,45,43,35,39,27,29,40,49,0,102,15,87,81,105,83,98,63,95,81,81,0,112,108,122,91,103,101,119,0,135,133,153,93,95,91,120,124,126,118,236,181,179,206,591,597,575,604,597,576,512,515,532,184,163,174,181,209,188,97,110,106,204,191,218,37,34,18,55,0,0,0,0,-180,-77,-448,-343]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. d5 Nb8 {[%cal Bc6b8,Bb8a6,Ba6c5][%mdl 32] B07: Pirc Defence: Miscellaneous Systems} 8. Be3 c6 9. c4 Bg4 {The position is equal.} 10. h3 Bxf3 $1 11. Qxf3 Na6 12. Nc3 Nd7 13. Qe2 $146 ({Predecessor:} 13. Rfc1 Ne5 14. Qd1 Nxd3 15. Qxd3 Nc5 16. Qe2 {½-½ (39) Jakovenko,D (2726)-Svidler,P (2722) Moscow 2010}) 13... Nac5 14. Rac1 a5 15. b3 Qb6 16. Rfd1 Rfc8 17. Bb1 Qb4 18. Bd2 {And now dxc6 would win.} Qb6 19. Be3 Qd8 (19... Qb4 $11 20. Bd2 Qa3) 20. Qd2 (20. f4 $16) 20... Qf8 (20... Qb6 $11) 21. f3 $16 Nb6 22. Bd3 h6 23. Kh1 Kh7 24. Be2 Nbd7 25. Bd3 (25. Bf1 $16) 25... Qh8 (25... Nb6 $11 {keeps the balance.}) 26. Bb1 Nb6 27. Ne2 Nbd7 28. Nd4 Qf8 29. Ne2 (29. Kg1 $16) 29... h5 (29... Qh8 $1 $11) 30. Rf1 Bf6 31. Nf4 (31. f4 $142) 31... Kg8 32. g4 hxg4 33. hxg4 Qg7 34. Kg2 Ne5 (34... Bb2 $16) 35. Rh1 Bg5 36. Rh3 Qf6 $2 (36... a4) 37. Nh5 $18 {[%mdl 64] [#] Discovered Attack} gxh5 38. Bxg5 Qg7 39. Rxh5 f6 40. Rch1 Ncd7 41. Rh8+ $2 (41. Bh6 Qg6 42. Qf2) 41... Qxh8 42. Rxh8+ Kxh8 43. Bh4 {Threatens to win with Qh6+.} Kg7 44. dxc6 (44. f4 $18 Rh8 45. Bg3 (45. fxe5 Rxh4 46. exf6+ exf6 $15)) 44... bxc6 $16 45. f4 Ng6 (45... Rh8 $16 {is a better defense.} 46. Bg3 (46. fxe5 Rxh4 47. exf6+ exf6 $11) 46... Nf7) 46. Bg3 $18 Rd8 {[#]} 47. Qe3 $2 (47. e5 $1 $18 {[%mdl 512]} dxe5 48. Qc2) 47... e5 $1 $14 48. f5 Nf4+ $1 49. Bxf4 (49. Kf2 $14) 49... exf4 $11 50. Qxf4 Ne5 51. g5 $2 (51. Qd2 $11) 51... Rh8 $19 {[%mdl 1024] Hoping for ...Rh5. Black has strong compensation.} 52. g6 $2 {[%mdl 8192]} (52. c5 $17 {nothing else works.}) 52... Rh5 {Accuracy: White = 43%, Black = 40%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.43"]
[White "Lipinsky, Markus"]
[Black "Baum, Jonasz"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2005"]
[BlackElo "2341"]
[Annotator "NA"]
[PlyCount "50"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:02:52]} 4. cxd5 {[%emt 0:00:44]} exd5 {[%emt 0:00:04]} 5. Bf4 {[%emt 0:00:18]} Nf6 {[%emt 0:00:14]} 6. e3 {[%emt 0:00:28]} Bd6 {[%emt 0:00:14]} 7. Bxd6 {[%emt 0:00:38]} Qxd6 {[%emt 0:00:05]} 8. Bd3 {[%emt 0:00:17]} O-O {[%emt 0:00:14]} 9. Nge2 {[%emt 0:00:28]} Re8 {[%emt 0:01:08]} 10. Qc2 {[%emt 0:01:38]} Nbd7 {[%emt 0:01:59]} 11. h3 {[%emt 0:04:29]} b5 {[%emt 0:11:25]} 12. a3 {[%emt 0:03:25]} Bb7 {[%emt 0:04:19]} 13. Ng3 {[%emt 0:23:09]} c5 {[%emt 0:18:00]} 14. Nf5 {[%emt 0:09:12]} Qc6 {[%emt 0:03:15]} 15. O-O {[%emt 0:10:37]} c4 {[%emt 0:05:34]} 16. Be2 {[%emt 0:00:31]} g6 {[%emt 0:01:43]} 17. Nh6+ {[%emt 0:01:38]} Kg7 {[%emt 0:00:19]} 18. Ng4 {[%emt 0:00:18]} a5 {[%emt 0:08:13]} 19. b4 {[%emt 0:11:49]} axb4 {[%emt 0:01:19]} 20. axb4 {[%emt 0:03:53]} Ne4 {[%emt 0:06:43]} 21. Rfd1 {[%emt 0:09:18]} Nxc3 {[%emt 0:02:39]} 22. Qxc3 {[%emt 0:00:05]} h5 {[%emt 0:00:34]} 23. Rxa8 {[%emt 0:13:07]} Rxa8 {[%emt 0:01:20]} 24. Ne5 {[%emt 0:00:04]} Nxe5 {[%emt 0:00:32]} 25. dxe5 {[%emt 0:00:00]} d4 {[%emt 0:00:17]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.27"]
[Round "2.44"]
[White "Mooser, Nicolas"]
[Black "Braeuer, Franz"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1999"]
[BlackElo "2429"]
[Annotator "NA"]
[PlyCount "55"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:02:04]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:01]} 3. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:03]} 4. Bg2 {[%emt 0:00:00]} Bb4+ {[%emt 0:00:05]} 5. Bd2 {[%emt 0:00:15]} Be7 {[%emt 0:00:05]} 6. Nf3 {[%emt 0:00:11]} c6 {[%emt 0:00:04]} 7. O-O {[%emt 0:00:13]} b6 {[%emt 0:00:53]} 8. Qc2 {[%emt 0:02:07]} Nbd7 {[%emt 0:04:32]} 9. Rd1 {[%emt 0:03:21]} O-O {[%emt 0:01:52]} 10. b3 {[%emt 0:03:12]} a5 {[%emt 0:01:02]} 11. Bf4 {[%emt 0:19:50]} Ba6 {[%emt 0:03:43]} 12. Nc3 {[%emt 0:06:33]} Rc8 {[%emt 0:13:38]} 13. Qb2 {[%emt 0:06:19]} dxc4 {[%emt 0:04:30]} 14. bxc4 {[%emt 0:00:11]} Bxc4 {[%emt 0:00:33]} 15. Ne5 {[%emt 0:01:27]} Nxe5 {[%emt 0:00:40]} 16. dxe5 {[%emt 0:03:14]} Nd7 {[%emt 0:02:52]} 17. Rd4 {[%emt 0:01:56]} Bd5 {[%emt 0:21:11]} 18. Rad1 {[%emt 0:12:58]} Bc5 {[%emt 0:00:12]} 19. R4d2 {[%emt 0:07:43]} g5 {[%emt 0:03:39]} 20. Be3 {[%emt 0:02:42]} Bxe3 {[%emt 0:06:03]} 21. fxe3 {[%emt 0:00:07]} Qc7 {[%emt 0:00:48]} 22. e4 Nxe5 {[%emt 0:00:58]} 23. exd5 {[%emt 0:04:13]} cxd5 {[%emt 0:00:11]} 24. Nb5 {[%emt 0:02:53]} Qc5+ {[%emt 0:01:04]} 25. Kh1 {[%emt 0:00:23]} Nc4 {[%emt 0:12:49]} 26. Qf6 {[%emt 0:00:33]} Nxd2 {[%emt 0:07:34]} 27. Qxg5+ {[%emt 0:00:21]} Kh8 {[%emt 0:00:04]} 28. Qf6+ {[%emt 0:00:17]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.1"]
[White "Eljanov, Pavel"]
[Black "Del Rio De Angelis, Salvador G."]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2663"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "232"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,232,27,31,33,37,13,44,33,58,35,43,58,53,0,0,0,0,0,1,0,0,0,0,-19,0,-39,84,83,83,83,82,75,86,77,78,82,87,27,47,21,29,10,10,6,7,17,139,127,133,137,146,164,188,187,168,165,183,135,180,193,181,178,174,125,137,129,177,138,164,158,158,160,164,166,149,165,166,166,166,128,118,88,98,87,92,67,76,70,81,13,15,-81,0,0,31,17,18,15,9,6,15,0,0,0,0,0,0,-8,0,-1220,16,0,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,0,0,0,0,0,34,0,0,0,0,0,0,0,0,0,0,0,55,55,55,55,55,55,55,0,54,54,54,54,55,55,55,55,55,55,55,55,55,55,56,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 Nf6 6. e3 c6 7. Bd3 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6,Bg6h4,Bh4f3][%mdl 32]} 8. h3 {D35: Queen's Gambit Declined: Exchange Variation} Nf8 9. Qc2 (9. Nf3 Ng6 10. Bh2 Bd6 11. Bxd6 Qxd6 12. O-O O-O 13. Rb1 Re8 14. b4 a6 15. a4 Ne4 16. Bxe4 dxe4 17. Nd2 f5 18. b5 axb5 19. axb5 Be6 20. bxc6 bxc6 {½-½ (63) Nakamura,H (2791)-Vachier Lagrave,M (2819) chess.com INT 2016}) 9... Ng6 10. Bh2 {White is slightly better.} Bd6 11. g4 $146 ({Predecessor:} 11. Bxd6 Qxd6 12. O-O-O O-O 13. g4 Re8 {1-0 (38) Topalov,V (2690)-Lputian,S (2625) Batumi 1999}) 11... O-O 12. O-O-O Re8 13. Nge2 ({White should try} 13. Bxd6 $14 Qxd6 14. Nf3) 13... Bxh2 $11 14. Rxh2 Nh4 15. Rhh1 Qe7 16. Kb1 Bd7 17. Ng3 h6 18. Rhg1 Nf3 19. Rgf1 (19. Rh1 {is interesting.} Nh4) 19... c5 (19... b5 $15) 20. dxc5 $1 $16 Qxc5 {[#]} 21. Nxd5 $1 {[%mdl 512]} Qxc2+ ({Wrong is} 21... Qxd5 $2 22. Bh7+ $1 {[%mdl 512]} Nxh7 23. Rxd5 $18) 22. Bxc2 {Hoping for Nxf6+.} Nxd5 23. Rxd5 Bc6 24. Rd6 Ne5 25. e4 ({White should play} 25. Rc1 $16) 25... Nf3 $11 26. Rfd1 (26. Rd3 $5 {[%cal Rd3f3]} Ng5 27. Re3 $14) 26... Kf8 27. a4 Rac8 28. a5 g6 29. Rf6 Ne5 (29... Ng5 $11) 30. f4 $36 {[%mdl 2048] Black is under strong pressure.} Nc4 31. Rd4 Kg7 32. e5 Nxe5 33. fxe5 Rxe5 34. Rf2 Rxa5 35. Ne4 Rc7 36. Nd6 Re7 37. Bb3 f6 38. Rd1 Rae5 39. h4 Re3 40. Bc2 Bf3 41. Rd4 {Threatens to win with h5!} h5 42. gxh5 Bxh5 43. Rg2 {And now Nf5+ would win.} Kh6 44. Rd5 Re1+ 45. Ka2 Rc7 46. Rd4 Re2 47. Rxe2 Bxe2 48. Bb3 f5 49. Ne8 Rc6 50. Bd5 Rb6 51. Bg2 (51. Bf7 $16) 51... Kh5 $11 52. Ng7+ Kh6 {[%mdl 1024] Black has strong compensation.} 53. Ne8 Kh5 54. Nc7 Bg4 $1 55. Nd5 Ra6+ 56. Kb1 Kxh4 57. Bf3 Re6 58. Kc2 (58. Nf4 {looks sharper.} Re8 59. Bxb7 g5 60. Nd5 Rf8 61. Nc3) 58... g5 59. Bxg4 fxg4 {[%mdl 4096] Endgame KRN-KR} 60. Nc3 Kh3 {Strongly threatening ...g3.} 61. Ne4 $2 {[%mdl 8192] [#]} (61. Rd5 $11) 61... Rc6+ $2 (61... Rxe4 $1 $19 62. Rxe4 g3) 62. Kd2 Rb6 63. Rd3+ Kh4 64. b3 Rb4 65. Ng3 a5 66. Nf5+ Kh5 67. Rd6 {[%csl Gf5][%cal Rd6h6]} g3 $1 {[%cal Rg3g2]} 68. Nxg3+ Kg4 69. Rd3 a4 70. bxa4 Rxa4 71. Ne2 b5 72. Nc3 Rb4 73. Rd5 Rb2+ 74. Kc1 Rf2 75. Rxb5 Kf4 76. Kd1 Rh2 77. Ne2+ Ke4 78. Rxg5 Kd3 79. Rg3+ Kc4 80. Kd2 Rh4 81. Rc3+ Kd5 $1 82. Ra3 Kc5 83. Rd3 Kc4 (83... Re4 $11) 84. Rd8 $1 $14 Rh3 85. Nf4 Rg3 86. Ke2 Kc5 87. Nd5 ({Better is} 87. Kf2 $14 Ra3 88. Nd3+ Kc6 89. Ke3) 87... Ra3 (87... Kd4 $11) 88. Ne3 Kc6 89. Kf3 Ra4 90. Nf5 Kc5 91. Ke3 Ra1 92. Ke4 Re1+ 93. Ne3 Re2 94. Rd5+ Kc6 95. Rh5 (95. Rd1 $14) 95... Kd6 $11 {The position is equal.} 96. Kd3 Ra2 97. Nc4+ Ke6 98. Ke4 Re2+ 99. Kd4 Ra2 100. Rh6+ Kf5 101. Ne3+ Kg5 102. Rb6 Ra4+ 103. Ke5 Ra5+ 104. Nd5 Kg4 105. Rf6 Rc5 106. Rf4+ Kg5 107. Rf1 Kg4 108. Kd4 Ra5 109. Ke5 Rc5 110. Kd4 Ra5 111. Ne3+ Kg5 112. Rf3 Ra4+ 113. Ke5 Ra5+ 114. Nd5 Kg4 115. Rc3 Rb5 116. Ke4 Ra5 {Accuracy: White = 55%, Black = 72%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.2"]
[White "Sethuraman, S.P."]
[Black "Loiseau, Quentin"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2624"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,67,-2,8,37,38,42,33,43,12,28,11,25,0,57,31,50,42,97,63,97,56,74,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,77,90,108,102,95,66,148,162,157,141,209,207,200,181,414,414,412,411,368,364]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 Ne7 6. h4 f6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} 7. h5 e5 8. Nc3 d5 {White is slightly better.} 9. Nh2 $146 ({Predecessor:} 9. b3 Be6 10. Qe2 Qa5 11. Bd2 Qc7 12. Nh4 c4 13. dxc4 dxc4 14. O-O {0-1 (41) Cheparinov,I (2679)-Zeng,C (2539) China 2019}) 9... Be6 10. f4 exf4 11. Bxf4 g5 ({Black should play} 11... d4 $1 $11 12. Ne2 g5 13. hxg6 hxg6) 12. Bd2 $14 d4 13. Na4 Nc8 (13... Ng8 $1 $14) 14. O-O $16 Be7 15. Ng4 {Nxc5! is the strong threat.} Nb6 16. Nxc5 (16. e5 $16 {[%cal Rg4f6]} Nxa4 17. exf6) 16... Bxg4 $1 $11 17. Qxg4 Bxc5 18. Qe6+ {[%mdl 64] Double Attack} Be7 19. Rxf6 $1 {Threatens to win with Qf7+.} ({Much weaker is} 19. Qxc6+ Qd7 $17) 19... Qd7 20. Bxg5 {Hoping for Qf7+.} O-O-O {aiming for ...Qxe6.} 21. Qxc6+ Qxc6 22. Rxc6+ Kd7 23. Bxe7 Kxe7 24. Rf1 Rc8 (24... Nd7 $1 $11) 25. Rff6 $16 Rhg8 26. Rxc8 Rxc8 {[%mdl 4096] Endgame KRN-KR} 27. Rh6 Nd7 (27... Rh8 $14) 28. Rxh7+ Ke6 29. h6 $1 Rxc2 (29... Ne5 $16) 30. Rh8 $18 Rc1+ {[#]} 31. Kh2 $1 Rc5 $2 {[#]} (31... Nf6 {was necessary.} 32. h7 Nxh7) 32. g4 $1 {White is winning.} Nf6 33. h7 Rc2+ 34. Kg3 {Accuracy: White = 78%, Black = 42%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.3"]
[White "Yankelevich, Lev"]
[Black "Gareyev, Timur"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2480"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,31,45,35,54,54,43,43,51,52,44,43,57,72,24,19,14,17,0,85,83,83,94,89,82]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. e3 {E11: Bogo-Indian} dxc4 (6... O-O 7. a3 Bxd2+ 8. Bxd2 Ne4 9. Qc2 Nxd2 10. Qxd2 b6 11. Qc2 Ba6 12. b4 Bxc4 13. Bxc4 dxc4 14. Qxc4 Ne7 15. O-O a5 16. Rfc1 axb4 17. axb4 {½-½ (44) Gelfand,B (2701)-Paehtz,E (2513) Douglas 2018}) 7. a3 Bxd2+ 8. Bxd2 {White is slightly better.} Ne4 $146 ({Predecessor:} 8... O-O 9. Bxc4 Ne4 10. Rd1 Ne7 11. Qc2 f5 12. O-O b6 13. Ne5 Rf6 14. Be1 Nd6 {½-½ (41) Gagare,S (2001)-Tsoi,D (2361) Moscow 2018}) 9. Bxc4 Nxd2 10. Nxd2 O-O 11. f4 Ne7 12. Nf3 Nf5 13. Qb3 c5 (13... b6 $11 {keeps the balance.}) 14. dxc5 $16 {White is better.} Qa5+ 15. Kf2 Qxc5 16. Rac1 {Accuracy: White = 78%, Black = 84%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.4"]
[White "Azarov, Sergei"]
[Black "Parvanyan, Ashot"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2586"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,126,38,35,0,14,12,20,31,27,0,0,0,0,0,0,0,43,50,40,28,43,31,19,31,16,21,34,32,23,33,39,10,41,44,52,48,45,47,84,39,45,29,29,33,42,0,102,93,89,82,51,57,91,100,89,100,145,139,132,73,117,106,109,22,25,24,20,20,99,109,108,97,93,79,97,0,0,0,0,0,42,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12850]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. O-O Bd6 11. Nf3 Qc7 12. Nc3 a6 13. Be3 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} (13. Re1 O-O 14. h3 Bd7 15. Bd2 Rae8 16. Rc1 Qb8 17. Na4 e5 18. dxe5 Nxe5 19. Nxe5 Bxe5 20. Be3 Bh2+ 21. Kh1 Bf4 22. Nc5 Bxe3 23. Rxe3 Rxe3 24. fxe3 {½-½ (39) Neiksans,A (2553)-Berg,E (2536) Sweden 2019}) 13... O-O 14. Rc1 Bd7 15. Na4 Be8 16. Ne5 (16. Ng5 $5 {[%cal Rg5e6]} Qe7 17. Nc5 Bxc5 18. Rxc5 $11) 16... Bxe5 17. dxe5 Qxe5 18. Re1 Rf7 $146 ({Predecessor:} 18... Qc7 19. Nc5 Bf7 20. Bg5 Nd7 21. Nxe6 Bxe6 22. Rxe6 Nde5 23. Re7 Qb8 24. Re6 Qc7 25. Re7 {½-½ (25) Lovakovic,F (2385)-Roy Laguens,A (2318) ICCF email 2015}) 19. h3 (19. a3 {is interesting.} Nd7 20. Bb1 Rf6 21. Qb3 Na5 22. Qd1) 19... Qh5 (19... Nd7 {is more complex.} 20. Bb1 Qf6 21. Qd2 Qh4 22. b3 h6) 20. Qxh5 Nxh5 21. Nb6 Rb8 22. Bf1 Nf6 23. Bf4 {[%mdl 64] Discovered Attack} e5 24. Bxe5 Nxe5 25. Rxe5 Rd8 26. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Kf8 27. b4 Rd6 28. a5 Rd8 29. f3 $36 {[%mdl 2048] White has good play.} d4 30. Bd3 g6 $1 31. Kf2 Nh5 $1 32. g3 Bc6 33. f4 Nf6 $1 34. Ke2 Re7 (34... Bg2 $11 {remains equal.}) 35. Kd2 $16 Rde8 36. Rcc5 Bg2 37. h4 $1 Ng4 38. Rxe7 Rxe7 39. Nc4 Nf2 40. Ne5 Be4 41. Rc8+ Kg7 {[#] Threatening ...Rxe5!} 42. Bc4 $1 Bf5 43. Rb8 ({Better is} 43. Rd8 $16) 43... Rc7 $1 $11 44. Ke2 Ng4 $1 {[%cal Rg4e5]} 45. Nxg4 Bxg4+ {[%mdl 4096] Endgame KRB-KRB} (45... Rxc4 $11 46. Rxb7+ Kf8) 46. Kd3 $16 Rd7 47. Re8 Bf5+ {[#]} 48. Kd2 $1 d3 49. Be6 (49. Bb3 $16) 49... Bxe6 $1 $11 50. Rxe6 {KR-KR} Kf7 51. Rb6 Kg7 52. g4 Kf7 {The position is equal.} 53. g5 Kg7 54. Re6 Kf7 55. Re4 Rd5 56. Rc4 {And now Rc7+ would win.} Ke6 57. Rc7 Rb5 58. Rxh7 {Hoping for Rh6.} Rxb4 59. h5 (59. Rg7 {looks sharper.} Kf5 60. Rf7+ Ke4 61. f5 Rb2+ 62. Kc1) 59... gxh5 60. Rxh5 Rxf4 61. Kxd3 Kf5 62. Rh7 Rb4 63. Kc3 Ke5 $2 {[%mdl 40960] Accuracy: White = 64%, Black = 68%. . An unexpected result.} (63... Rb1 $11) 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.5"]
[White "Peralta, Fernando"]
[Black "Womacka, Mathias"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2569"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,67,27,16,28,18,28,35,19,0,0,-7,0,51,48,47,47,47,47,47,47,44,50,82,78,80,63,207,196,200,203,208,202,202,200,201,201,196,195,222,236,215,214,202,138,151,128,139,116,137,128,209,209,531,520,29993,29994]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. Bd3 {E11: Bogo-Indian} c5 9. h4 g6 10. O-O {White is slightly better.} Nc6 11. Nb3 dxc4 12. Bxc4 Nb6 $146 (12... cxd4 $11 13. Qe2 Qc7) ({Predecessor:} 12... cxd4 13. Re1 a5 14. Bh6 Re8 15. Rc1 Nb6 {1-0 (39) Ding,L (2804)-Saric,I (2689) Batumi 2018}) 13. Bb5 $14 c4 14. Bxc6 bxc6 15. Nc5 Bxc5 16. dxc5 Qxd1 17. Rxd1 Na4 18. Bh6 $1 $36 {[%cal Rh6f8][%mdl 2048] Black is under strong pressure.} Re8 19. Nd2 Nxb2 ({Black should play} 19... Nxc5 $14 20. Nxc4 Nb3) 20. Ne4 $1 $18 {[%cal Re4f6]} Nxd1 21. Nf6+ Kh8 22. Rxd1 Ba6 {Threatens to win with ...Reb8.} 23. Rd7 $1 {[%cal Rd7f7]} ({But not} 23. Nxe8 $6 Rxe8 24. Rd7 c3 $14) 23... Rf8 24. Bxf8 Rxf8 {[%mdl 4096] Endgame KRB-KRN} 25. Ne4 Kg7 26. Rxa7 c3 27. Nxc3 Bd3 28. Rd7 Bf5 29. Rc7 Rb8 30. f3 Rb3 31. Ne2 $1 {[%cal Re2d4] Nd4 is the strong threat.} Rxa3 {[#]} (31... Re3 $16) 32. Nd4 $1 ({Don't do} 32. Rxc6 $6 Re3 $16) 32... Rc3 $2 {[#]} (32... Rd3) 33. g4 $1 Bd3 (33... Rxc5 $18 34. gxf5 Rxe5 35. Nxe6+ Kf6) 34. Nxe6+ $1 {Accuracy: White = 91%, Black = 49%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.6"]
[White "Gschnitzer, Adrian"]
[Black "Idani, Pouya"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2412"]
[BlackElo "2568"]
[Annotator "RC"]
[PlyCount "36"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} g6 {[%emt 0:03:30]} 2. e4 {[%emt 0:00:23]} e5 {[%emt 0:00:38]} 3. Nf3 {[%emt 0:02:16]} Bg7 {[%emt 0:02:40]} 4. d4 {[%emt 0:01:35]} exd4 {[%emt 0:00:39]} 5. Nxd4 {[%emt 0:00:10]} Nc6 {[%emt 0:00:42]} 6. Nxc6 {[%emt 0:03:32]} dxc6 {[%emt 0:02:15]} 7. Qxd8+ {[%emt 0:01:18]} Kxd8 {[%emt 0:00:04]} 8. Nc3 {[%emt 0:00:40]} Be6 {[%emt 0:02:10]} 9. Bg5+ {[%emt 0:01:13]} Kc8 {[%emt 0:00:40]} 10. O-O-O {[%emt 0:00:56]} Nf6 {[%emt 0:00:08]} 11. f3 {[%emt 0:03:53]} Nd7 {[%emt 0:03:01]} 12. Kc2 {[%emt 0:08:53]} a6 {[%emt 0:05:21]} 13. Nd5 {[%emt 0:17:11]} f6 {[%emt 0:01:22]} 14. Nf4 {[%emt 0:02:31]} Bf7 {[%emt 0:00:15]} 15. Bh4 {[%emt 0:04:02]} g5 {[%emt 0:00:58]} 16. g3 {[%emt 0:00:11]} Ne5 {[%emt 0:03:54]} 17. Bh3+ {[%emt 0:00:46]} Kb8 {[%emt 0:00:14]} 18. Be6 {[%emt 0:01:42]} Rf8 {[%emt 0:07:49]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.7"]
[White "Bernadskiy, Vitaliy"]
[Black "Smith, Bryan"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2554"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,-1,1,-2,0,3,0,3,10,2,36,46,65,0,46,19,48,47,54,54,49,46,50,44,57,46,90,31,78,73,72,52,96,81,229,243,197,57,166,8,70,64,68,28,34,40,38,37,119,68,331,334,313,348,334,334,306,308,337,120,295,264,289,266,419,388,494,516,424]} 1. c4 e5 2. g3 Nc6 3. Bg2 f5 4. d3 Nf6 5. Nf3 Bb4+ 6. Nfd2 {A20: English Opening: 1...e5} (6. Bd2 Bxd2+ 7. Qxd2 O-O 8. Nc3 d6 9. O-O Bd7 10. Nd5 Nxd5 11. cxd5 Ne7 12. Qb4 Nxd5 13. Qxb7 {1-0 (54) Grischuk,A (2750)-Anand,V (2803) London 2015}) 6... a5 7. O-O O-O 8. Nc3 $146 {The position is equal.} ({Predecessor:} 8. a3 Bc5 9. Nc3 d6 10. e3 Be6 11. Nf3 Ba7 12. Ng5 Bd7 13. c5 {½-½ (69) Tirkajla,B (2154)-Cherin,D (2236) Croatia 2014}) 8... d6 9. Na4 Bxd2 10. Bxd2 f4 11. Nc3 (11. gxf4 $14 exf4 12. Bxf4) 11... Nd4 12. e3 fxe3 13. fxe3 Bg4 14. Qb1 Ne6 15. h3 Bh5 16. Bxb7 Rb8 17. Bg2 Qd7 {[#]} 18. Kh2 (18. e4 $1 $16) 18... Bg6 19. b3 e4 20. dxe4 Ng5 {Strongly threatening ...Nfxe4!} 21. Rf4 Nfxe4 (21... Rbe8 $16) 22. Nxe4 $18 Bxe4 23. Qh1 ({Not} 23. Bxe4 Qxh3+ 24. Kg1 Qxg3+ 25. Kf1 Qh2 $11) (23. Rxe4 $18 Rf2 24. Rg4 Nf3+ 25. Kh1 Nxd2 26. Qe1) 23... a4 ({Better is} 23... Bxg2 $14 24. Qxg2 a4) 24. Raf1 $2 (24. Bxe4 $18 Qxh3+ 25. Kg1 Qxg3+ 26. Kf1) 24... Bxg2 (24... axb3 $11 25. axb3 (25. Rxe4 Nxe4 26. Bxe4 bxa2 $11) 25... Qxh3+ 26. Bxh3 Bxh1) 25. Qxg2 $14 axb3 26. Qd5+ Nf7 {...b2 is the strong threat.} 27. axb3 {Black must now prevent Bc3.} c6 28. Qd4 h6 {[#]} ({Black should try} 28... c5 $14 29. Qe4 Qe8) 29. e4 $40 {[%mdl 128] White has some attack.} ({Don't go for} 29. Rg4 $2 Ng5 $19) (29. Bc3 $1 $16 {[%csl Gc3][%cal Rd4g7]} Ng5 30. Rxf8+ Rxf8 31. Rxf8+ Kxf8 32. Qf4+ Kg8 33. h4 Qh3+ 34. Kg1) 29... Ng5 $2 {[%mdl 8192]} (29... Qe6 $14) 30. Rxf8+ $18 Rxf8 31. Rxf8+ Kxf8 32. Bxg5 $1 hxg5 {[%mdl 4096] Endgame KQ-KQ} 33. c5 d5 34. Kg2 $2 (34. b4 $18 {is more deadly.}) 34... Kg8 $2 (34... g4 $16 {was worth a try.}) 35. exd5 cxd5 36. b4 Qe6 (36... Kh8 $142 37. g4 Kh7 38. Qd3+ g6) 37. Kf2 Qf5+ 38. Ke3 Qe6+ {Accuracy: White = 38%, Black = 18%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.8"]
[White "Zude, Arno"]
[Black "Mons, Leon"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2372"]
[BlackElo "2552"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,56,15,0,5,0,0,-29,-40,-93,-97,-138,-135,-129,-152,-140,-120,-183,-187,-181,-171,-191,-183,-293,-312,-369,-369,-462,-446,-443,-438,-955,-955,-938,-935,-879,-658]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Bxf6 Qxf6 10. f4 Nc6 11. Nf3 Qd8 12. g4 Qa5 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7} 13. h4 O-O-O {[#]} 14. Qe3 $146 ({Predecessor:} 14. Bg2 Be7 15. Qe3 Qc5 16. Rhe1 Qxe3+ 17. Rxe3 Rhe8 18. Red3 Kc7 19. a3 b5 20. g5 {½-½ (42) Hyldkrog,L (2518)-Sloth,J (2576) ICCF corr 2004}) 14... d5 {Threatens to win with ...Bc5.Black has an edge.} 15. exd5 (15. Kb1 $15) 15... Bc5 $17 16. Qe4 exd5 17. Rxd5 Rhe8 ({Don't take} 17... Bxg4 18. Bh3 $15) 18. Ne5 {Bxa6 is the strong threat.} Nxe5 19. Rxe5 {[#]} (19. fxe5 $17 {is a better defense.} Bc6 {[%mdl 64] Skewer} 20. Qf5+ Kb8 21. Rxd8+ Qxd8 22. Rh3) 19... Bc6 $1 $19 {[%cal Rc6e4]} 20. Qf5+ Kb8 21. Rh3 {and if Rd3 works, White does fine.} f6 $36 {[%mdl 2048] Black is on the roll.} 22. Rxe8 (22. Re2 $142) 22... Rxe8 23. Bc4 Qb4 ({Weaker is} 23... Re1+ 24. Nd1 $19) 24. b3 Qa3+ {Black is clearly winning.} 25. Kd2 {If only White now had time for Bd5....} Bf2 {Played: Bc5-b4} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.9"]
[White "Shevchenko, Kirill"]
[Black "Zajogin, Alexander"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2542"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,124,25,17,31,35,29,26,29,26,25,0,0,0,0,0,0,0,3,2,0,-20,-6,0,-19,-32,-24,-50,-51,-48,-36,-53,-39,-62,-60,-116,-102,-130,-118,-136,-129,-114,-104,-137,-130,-137,-139,-152,-110,-138,-72,-66,-55,-66,-54,-63,-26,-33,-36,-36,0,0,0,-10,0,0,0,-25,0,-37,-33,-35,-28,-33,-32,-32,-24,-39,-39,-35,-31,-32,-33,-36,-28,-27,-29,-29,-25,-79,-12,-62,-62,-71,-71,-71,-71,-71,-71,-71,-71,-71,-70,-71,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nf5 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} (7... Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Re8 11. c3 Rxe1 12. Qxe1 Qe8 13. Qxe8+ Nxe8 14. Bf4 d5 15. Nd2 Be7 16. Re1 Kf8 17. Bd3 Bd6 18. Bxd6+ Nxd6 {½-½ (25) Mamedyarov,S (2767)-Radjabov,T (2758) Khanty-Mansiysk 2019}) 8. Nf3 O-O 9. d4 d5 {White has an edge.} 10. g3 Bd6 11. Nc3 Bb4 $146 ({Predecessor:} 11... Nfe7 12. Nb5 Bf5 13. Nxd6 Qxd6 14. Nh4 Be6 15. c3 {1-0 (35) Baklan,V (2654)-Grandelius,N (2515) Reykjavik 2010}) 12. Bg2 Nce7 13. Qe2 Ng6 14. Bd2 c6 15. h4 Nd6 16. h5 Re8 17. Qf1 Nf8 {[%cal Bg6f8,Bf8e6,Be6g5,Bg5e4][%mdl 32]} 18. Rxe8 Nxe8 19. h6 g6 20. Re1 {[#] Hoping for Nxd5!} Ne6 21. Qd3 Bf8 22. Ne2 Nd6 23. Nh2 ({Better is} 23. c3 $15) 23... Ng5 $17 24. Nf4 Bxh6 25. Qe2 Bg7 26. c3 Bf5 27. Ng4 Nge4 28. Bc1 Qa5 29. Nd3 Bxg4 30. Qxg4 f5 (30... Qxa2 $142 31. Qd7 Qa5) 31. Qd1 Re8 32. Bf4 {White wants to play f3.} Nf7 ({Much weaker is} 32... Qxa2 $6 33. f3 $14) 33. Nc5 b6 ({Much worse is} 33... Qxa2 34. f3 $11) 34. Nxe4 dxe4 35. f3 {[%cal Rf3e4]} Qxa2 (35... c5 {keeps more tension.} 36. fxe4 cxd4 37. exf5 Rxe1+ 38. Qxe1 dxc3 39. Qe8+ Bf8) 36. fxe4 fxe4 37. Qc2 c5 38. dxc5 bxc5 39. Bxe4 Qc4 40. Qb1 Kf8 41. Bc6 {[%csl Gc6][%cal Re1e8]} Re6 42. Bg2 Bh6 43. Bxh6+ Nxh6 44. Rf1+ Kg7 45. Qd1 Qe2 46. Qxe2 ({Don't play} 46. Qd8 Qe3+ 47. Kh2 (47. Kh1 $2 Nf5 $17) 47... Nf5 $17) 46... Rxe2 $15 {[%mdl 4096] Endgame KRB-KRN} 47. Ra1 Rxb2 48. Rxa7+ Kf6 49. Rxh7 Ng4 {...Rb1+ is the strong threat.} 50. Be4 {[#]} (50. Bh3 $11 Ne5 51. Rc7) 50... Rb3 (50... Re2 $1 $17 {[%cal Re2e4]} 51. Bd5 Rc2) 51. Rc7 (51. Rf7+ $5 Kg5 52. Rf3 $15) 51... Rxc3 52. Rc6+ Ke5 53. Bxg6 Kd5 54. Ra6 Rxg3+ 55. Kf1 Ne5 56. Bb1 Kd4 57. Ra4+ Nc4 (57... c4 $17) 58. Ba2 $1 $11 {The position is equal.} Rc3 59. Ke2 Rc2+ 60. Kd1 Kd3 {( -> ...Ne3+)} 61. Bxc4+ Rxc4 62. Rxc4 Kxc4 {Accuracy: White = 61%, Black = 68%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.10"]
[White "Weber, Ulrich"]
[Black "Nasuta, Grzegorz"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2360"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,65,-13,-9,0,0,0,-22,13,20,17,20,29,22,36,-41,-33,-51,0,4,44,44,266,252,464,459,445,411,499,491,530,535,543,525,517,519,833,822,1912,1073,1181,1212,1972,1310,1267,1004,1580,1252,1908,1869,1718,1658]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 4. c4 g6 5. Nc3 Bg7 6. O-O Nge7 7. Ne1 d6 8. Nc2 Be6 9. Ne3 h5 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} (9... O-O 10. Ned5 Rb8 11. d3 a6 12. Bg5 f6 13. Bd2 b5 14. Rb1 b4 15. Na4 Bf7 16. a3 a5 17. axb4 axb4 18. b3 Nxd5 19. cxd5 {0-1 (41) Caruana,F (2829)-Nakamura,H (2775) London 2014}) 10. d3 h4 11. Ne4 $146 ({Predecessor:} 11. Ned5 f6 12. Qe1 Qd7 13. f4 O-O-O 14. fxe5 fxe5 15. gxh4 {1-0 (33) Yu,J (2157)-Melekhina,A (2205) Saint Louis 2016}) 11... hxg3 {The position is equal.} 12. fxg3 f5 13. Ng5 Bg8 14. Rb1 d5 15. Qa4 (15. cxd5 $14 Nxd5 16. Qb3) 15... dxc4 $1 $15 16. Nxc4 a6 (16... Rb8 $15 17. Ne3 Qd7) 17. Qa3 $1 $36 {[%mdl 2048] White has some pressure.} e4 18. Bf4 {aiming for Nd6+.} Nd5 $2 ({Black should try} 18... Bxc4 $14 19. dxc4 Qd4+ {[%mdl 64] Double Attack} 20. e3 Qxc4) 19. Nd6+ $18 {[%mdl 64] [#] Double Attack} Kf8 $2 (19... Kd7) 20. Nxb7 {[%mdl 64] Double Attack} Qb6 21. Bd6+ {[%mdl 64] Double Attack} Ke8 22. dxe4 {White is clearly winning.} Bd4+ 23. Kh1 Ne3 24. Bxc5 Bxc5 25. Nxc5 ({Less strong is} 25. Qxc5 Qxc5 26. Nxc5 Nxf1 $16) 25... Nc4 (25... Nxf1 $142 26. Rxf1 Rd8) 26. Qc3 Rh5 27. Nce6 Bxe6 28. Nxe6 Rxh2+ 29. Kxh2 N6e5 30. Nd4 Qa7 31. Rf4 Rd8 32. exf5 g5 33. Re4 {Accuracy: White = 59%, Black = 25%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.11"]
[White "Prusikin, Michael"]
[Black "Meins, Gerlef"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2521"]
[BlackElo "2415"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,75,42,41,35,42,39,51,50,75,74,74,39,38,38,43,33,45,46,46,45,45,44,51,13,16,17,20,11,34,14,26,13,31,2,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 Nc6 7. d4 cxd4 8. Nxd4 Qg4 9. Qxg4 Nxg4 10. Nxc6 bxc6 11. Bf4 {B52: Sicilian: Moscow Variation with 3...Bd7} e6 $146 ({Predecessor:} 11... g5 12. Bxg5 Ne5 13. b3 Rg8 14. Bh4 Rg4 15. Bg3 Bg7 16. Kd2 Ng6 17. Rae1 h5 18. h3 Rg5 {½-½ (29) Bruzon Batista,L (2689)-Gelashvili,T (2572) Arlington 2013}) 12. Ke2 Be7 13. Rhd1 {White is slightly better.} O-O-O 14. h3 Nf6 15. e5 (15. Rac1 {seems wilder.} Kb7 16. b4 Rhe8 17. b5 cxb5 18. Nxb5 a6 19. Nxd6+ Bxd6 20. Bxd6 Nxe4 21. c5) 15... dxe5 16. Bxe5 Rxd1 17. Rxd1 Rd8 18. Rxd8+ Kxd8 $14 {[%mdl 4096] Endgame KBN-KBN} 19. Na4 g6 20. Bd4 a6 21. Bc5 Nd7 22. Bxe7+ Kxe7 $11 {KN-KN} 23. b4 e5 24. Kd3 f5 25. f3 Kd6 26. Nc3 a5 27. c5+ Kc7 {The position is equal.} 28. a3 axb4 29. axb4 Nf8 30. Nd1 Ne6 {[#] Threatens to win with ...Nf4+.} 31. Ne3 Kd7 32. Kc4 Nc7 33. Nd1 Ke6 34. Nc3 Nd5 35. Nxd5 cxd5+ 36. Kc3 Kd7 37. b5 f4 38. Kd3 {Accuracy: White = 55%, Black = 63%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.12"]
[White "Baum, Jonasz"]
[Black "Gukesh D"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2341"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,30,49,47,59,13,12,-13,-15,-15,0,0,0,0,42,29,15,30,116]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Rb8 8. Nfd2 e5 {E04: Open Catalan: 5 Nf3} 9. Nxc4 (9. Bxc6+ $5 bxc6 10. dxe5 $14) (9. Bxc6+ bxc6 10. dxe5 Ng4 11. Nxc4 Be6 12. Qe2 h5 13. Rd1 Qc8 14. Qf3 Rb6 15. Nxb6 cxb6 16. h4 Nxe5 {½-½ (41) Grischuk,A (2759)-Ding,L (2811) Khanty-Mansiysk 2019}) 9... exd4 10. exd4 Nxd4 {The position is equal.} 11. Re1+ $146 ({Predecessor:} 11. Be3 Nc6 12. Bxc6+ bxc6 13. Qxd8+ Kxd8 14. Ne5 Ke8 15. Nxc6 Rxb2 16. Nc3 {½-½ (40) Ererdem,G (2136)-Atakisi,U (2361) Antalya 2017}) 11... Be6 12. Na5 Qd7 13. Nxb7 Be7 (13... c5 $5 {[%cal Rb8b7]} 14. Na5 Be7 $11) 14. Bf4 O-O {[#] Strongly threatening ...Bg4.} 15. Nc3 Rbc8 (15... Rfe8 $11) 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.13"]
[White "Asadli, Vugar"]
[Black "Hess, Max"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2513"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,20,12,0,13,12,6,9,14,6,31,14,19,14,13,8,16,12,28,-6,-1,-13,-16,-14,3,-60,-13,-25,31,24,57,0,41,-11,-19,-32,0,0,0,-7,-18,-27,39,23,16,28,30,0,32,-5,43,45,43,58,37,7,255,241,472,479,821,816,1055,1222,1023,1136,988,1091,1793,1764,1684,1674,1542,1377,6334,5720,2587,2587]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 g6 6. Rb1 {B23: Closed Sicilian: Lines without g3} Bg7 7. b4 cxb4 8. Rxb4 {The position is equal.} Nc6 9. Rb1 b5 $146 {[%cal Bb7b5,Bb5b4][%mdl 32]} ({Predecessor:} 9... Nf6 10. Bb2 O-O 11. Nd5 e6 12. Nxf6+ Bxf6 13. Bxf6 Qxf6 {½-½ (30) Firouzja,A (2669)-Cornette,M (2556) Reykjavik 2019}) 10. O-O Nf6 11. a4 b4 12. Nd5 a5 13. Bb2 O-O 14. Nxf6+ Bxf6 15. Bxf6 exf6 16. Bb5 Bb7 17. d4 ({White should play} 17. Re1 $11) 17... Rc8 (17... d5 $5 {[%cal Rd5e4]} 18. e5 fxe5 19. dxe5 Qc7 $15) 18. Re1 Na7 (18... d5 $11) 19. Bd3 $14 d6 20. c4 (20. Qd2 $14) 20... Ba6 21. Qb3 (21. Qc1 $14) 21... Nc6 $11 22. Rbd1 Qc7 23. h4 Nb8 {[%cal Ra6c4]} 24. Rc1 Nd7 25. Bf1 Qb7 ({Better is} 25... Rfe8 $11) 26. h5 Rfe8 ({Don't go for} 26... gxh5 $2 27. Nh4 $18) 27. Nd2 Qa7 28. Nf3 (28. Qb2 {is more complex.} Bb7 29. Re3 Nb6 30. Qa1 Ba6 31. Rh3) 28... Re7 ({Worse is} 28... gxh5 29. Nh4 $18) 29. h6 Rce8 30. c5 $1 {[%cal Rc5d6]} dxc5 31. Bxa6 Qxa6 32. dxc5 Ne5 $2 (32... Rc8 $11 {and Black stays safe.}) 33. Nxe5 $18 Rxe5 $2 (33... fxe5 {might work better.} 34. c6 Qc8) 34. c6 {White is clearly winning.} Rc8 (34... Qa7 $142 35. Qf3 f5) 35. Red1 Kf8 36. Rd7 {[%csl Gd7][%cal Rb3f7] [#]} Re6 37. Qd5 Qa8 38. Rc5 Ke8 39. Rb7 {Qd7+ would kill now.} Rd8 {[#]} 40. c7 $1 {[%mdl 512]} Rxd5 41. Rb8+ {[%mdl 64] Double Attack} Ke7 42. exd5 (42. Rxa8 $2 {loses.} Rxc5 43. c8=Q Rxc8 $19) 42... Re1+ 43. Kh2 {Accuracy: White = 57%, Black = 29%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.14"]
[White "Kueppers, Timo"]
[Black "Engel, Luis"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2250"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,89,11,6,0,0,0,8,0,15,0,-1,8,-10,-32,-6,-29,-38,-24,-2,0,12,-16,-32,-133,-135,-133,-147,-142,-147,-134,-134,-119,-104,-77,-103,-100,-12,-17,-17,-71,-68,-41,-22,-22,-17,-26,0,0,0,6,123,121,109,118,177,183,195,186,185,193,197,201,552,552,1106,1104,934,600,7473,5814,29975,29976,29976,29977,29975,29977,29978,29978,29976,29977,29990,1557]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. g3 g6 5. d4 (5. Bg2 Bg7 6. O-O e5 7. a3 Nge7 8. b4 O-O 9. bxc5 dxc5 10. d3 h6 11. Be3 b6 12. Nd5 Be6 13. c4 Kh7 14. Nd2 {1-0 (52) Mamedov,R (2703)-Rusev,K (2520) Skopje 2018}) 5... cxd4 6. Nxd4 {B50: Sicilian: 2...d6, Miscellaneous} Bg7 7. Nde2 f5 8. Bg2 {The position is equal.} Nf6 9. O-O O-O 10. exf5 $146 ({Predecessor:} 10. Nf4 fxe4 11. Nxe4 Nxe4 12. Qd5+ Kh8 13. Bxe4 Nd4 14. Qc4 e6 {½-½ (56) Brendel,O (2360)-Naumann,F (2250) Niedersachsen 1994}) 10... Bxf5 11. Re1 Rc8 12. Nf4 Qd7 13. Ncd5 Ng4 14. c3 g5 15. Nh5 {[#]} Nxf2 $1 {[%mdl 512]} 16. Qb3 (16. Qd2 $15 Nh3+ 17. Bxh3 Bxh3 18. Qxg5 (18. Nxg7 $2 Ne5 $19)) (16. Kxf2 Bg4+) 16... e6 $36 {[%mdl 2048] Strongly threatening ...Nh3+. Black has strong initiative.} 17. Kxf2 {aiming for Kg1.} Bc2+ $1 ({And not} 17... exd5 18. Kg1 $16 (18. Bxd5+ Kh8 $11)) 18. Ndf6+ Bxf6 19. Qxe6+ Qxe6 20. Rxe6 Bxc3+ $1 21. Kg1 Bd4+ 22. Kh1 Rce8 (22... Bg6 $17 23. g4 Nb4 24. Bxg5 Bxb2) 23. Rxe8 $11 Rxe8 24. Bxg5 {[#]} (24. Bd5+ $11 {remains equal.} Kf8 25. Bxg5) 24... Re5 $1 $17 {[%cal Re5g5]} ({Much weaker is} 24... Bxb2 25. Rf1 $11) 25. Nf6+ Kg7 26. Bh4 $1 Bxb2 27. Rf1 Bd4 28. g4 Bg6 {[#]} 29. Nh5+ $1 {[%mdl 512]} Bxh5 (29... Kg8 $11 {keeps the balance.}) 30. Bf6+ $16 {[%mdl 64] Double Attack} Kh6 31. Bxe5 Bxe5 (31... dxe5 $16 32. gxh5 Nb4) 32. gxh5 {[%mdl 4096] Endgame KRB-KBN} Nb4 {[#]} 33. a3 $1 {[%cal Ra3b4]} Nc2 34. a4 Ne3 35. Rf7 Nxg2 $2 (35... Kxh5 {is tougher.} 36. Rxh7+ (36. Rxb7 Bd4 $18) 36... Kg5 37. Bxb7 a5) 36. Kxg2 $18 {KR-KB} a5 37. Rxb7 Bc3 38. Kf3 d5 39. Kg4 d4 40. Rb6+ {White mates.} Kg7 41. h6+ Kf7 42. Kf5 Bd2 43. Rb7+ Kg8 44. Rg7+ Kh8 45. Ra7 {Accuracy: White = 69%, Black = 36%.} (45. Kf6 $142 Bxh6 46. Ra7 Kg8 47. Rxa5 Bg7+ 48. Kf5 d3 49. Rd5 Bc3 50. a5) 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.15"]
[White "Vetoshko, Volodymyr"]
[Black "Moehn, Hans"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2506"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,85,77,48,62,62,63,63,61,60,60,60,71,70,68,70,77,75,77,58,85,68,69,75,72,58,70,68,66,48,49,33,42,36,43,31,55,43,177,190,395,376,357,329,616,622,554,473,382,260,511,440,435,414,408,403,381,374,947,690,691,680,29993,29994,29994,29995,29995,-645,29996,29997,29997,29998,29998,29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 e5 7. d5 a5 8. g4 Na6 {E73: King's Indian: Averbakh Variation without 6...c5} 9. h4 Nc5 10. f3 h5 {White is slightly better.} 11. g5 Nfd7 (11... Nh7 12. Kd2 Bd7 13. Nh3 c6 14. Nf2 cxd5 15. exd5 f5 16. gxf6 Nxf6 17. Bxc5 dxc5 {0-1 (37) Vallejo Pons,F (2705)-Radjabov,T (2741) Palma de Mallorca 2017}) 12. Nh3 Nb6 13. Nf2 Bd7 14. Qd2 Qe7 15. O-O-O Rfd8 16. Kb1 Be8 17. Nb5 $146 ({Predecessor:} 17. b3 Nbd7 18. Rc1 {½-½ (18) Schmidt,W (2247)-Banach,S (1973) Poznan 2019}) 17... Bf8 18. Na3 c6 19. Rc1 Qc7 20. Rhd1 Nbd7 21. Nh1 Na6 22. Ng3 Ndc5 23. Rf1 Bg7 24. f4 exf4 25. Rxf4 Nd7 (25... Be5 $14) 26. Bxh5 $18 gxh5 $2 (26... Nac5) 27. Nxh5 Ne5 28. Bd4 Rac8 $2 (28... f5) 29. Nf6+ ({Less strong is} 29. Nxg7 Kxg7 30. Rf6 Qe7 $18) 29... Kf8 30. Rcf1 Nb4 31. Qe2 Nbd3 $2 (31... cxd5 {was called for.} 32. exd5 Nbd3 33. Bxe5 dxe5) 32. Rf5 Bd7 33. Nxd7+ Rxd7 ({And not} 33... Qxd7 34. h5 $18) 34. h5 Kg8 35. h6 Bh8 $2 (35... Bf8 36. h7+ Kh8 37. Qxd3 Bg7) 36. Qh5 {Threatens to win with h7+.} Kh7 {[#]} 37. Bb6 $1 {[%mdl 512]} Qxb6 {[%csl Gd3][%cal Rb6b2] [#]} 38. Rxf7+ $1 Rxf7 39. Rxf7+ Bg7 40. hxg7+ Kg8 {[%csl Gd3][%cal Rb6b2] [#]} 41. Rf8+ $1 {[%mdl 576] Promotion. White mates.} Rxf8 42. Qh8+ Kf7 43. gxf8=Q+ {Accuracy: White = 86%, Black = 47%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.16"]
[White "Loew, Gerald"]
[Black "Korneev, Oleg"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2162"]
[BlackElo "2504"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,118,0,0,0,11,0,0,0,-6,0,0,0,11,-28,-19,-28,-27,-20,0,-11,0,8,12,14,0,0,0,-25,0,0,0,-8,8,-22,-22,-22,-9,-35,-14,-21,0,-35,-22,-20,-9,-40,-2,-3,-4,-4,-5,-23,-23,-23,-23,-23,-23,-23,-23,-25,-12,-28,-12,-23,-4,-4,0,-5,-5,-57,-57,-57,-5,-57,-57,-57,-18,-51,-40,-45,-35,-131,-131,-131,-131,-131,-138,-131,-131,-290,-290,-193,-184,-407,-409,-520,-519,-510,-510,-575,-560,-472,-493,-835,-799,-837,-836,-793,-797]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. e4 {A28: English Opening: Four Knights Variation} (7. d3 d6 8. Be2 Ne8 9. O-O f5 10. Ne1 Nf6 11. c5 d5 12. d4 e4 13. c4 Be6 14. Rb1 Rb8 {0-1 (56) Le,Q (2708)-Aronian,L (2758) Khanty-Mansiysk 2019}) 7... d6 8. g3 h6 9. Rb1 $146 {The position is equal.} ({Predecessor:} 9. Bg2 Be6 10. d3 Qd7 11. Rb1 {½-½ (57) Watson,B (2275)-Milligan,H (1996) Auckland 2017}) 9... b6 10. d3 Be6 11. Bg2 Qd7 12. O-O Bh3 13. Nh4 Bxg2 14. Kxg2 Nh7 15. Qa4 Rad8 16. Nf5 {And now Qxc6! would win.} Ne7 17. Qxd7 Rxd7 18. Nxe7+ Rxe7 19. Be3 Nf6 20. f3 Nd7 21. a4 a5 22. Kf2 f5 23. Ke2 Kh7 24. Bg1 Rf6 25. Be3 Nf8 26. Bg1 Ne6 27. Be3 Ref7 28. Rbd1 f4 29. gxf4 Nxf4+ 30. Bxf4 Rxf4 $11 {[%mdl 4096] Endgame KRR-KRR} 31. Rf2 g5 32. Rg1 Kg6 33. Rg3 R7f6 34. Ke3 Kf7 35. h3 Ke6 36. d4 Rf7 37. Rg4 c6 38. d5+ Ke7 39. Rg3 Kd7 40. Rb2 (40. Rg4 $1 $11) 40... Kc7 $15 41. Rf2 Kb7 ({Black should try} 41... Rh4 $1 $15) 42. Rd2 ({White should play} 42. Rg4 $1 $11) 42... Rf8 43. Rf2 Rc8 {Played: Rf4-f7} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.17"]
[White "Krzyzanowski, Marcin"]
[Black "Paris, Michael"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2500"]
[BlackElo "2186"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,6,5,6,16,16,18,16,32,14,15,12,32,32,34,35,45,38,43,10,7,5,0,-1,0,0,0,0,0,0,-19,-9,0,-7,0,5,120,137,130,137,116,138,450,445,758,754,745,697,787,714,702,687]} 1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 Bd6 5. Nbd2 O-O 6. Bd3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} c5 (6... b6 7. Ne5 c5 8. c3 Ba6 9. Bxa6 Nxa6 10. h4 Qc7 11. h5 Nd7 12. h6 g6 13. Nxd7 Qxd7 14. Bxd6 Qxd6 {½-½ (34) Demchenko,A (2655)-So,W (2767) Khanty-Mansiysk 2019}) 7. dxc5 Bxc5 8. O-O {The position is equal.} Bd6 9. Bxd6 Qxd6 10. e4 Nc6 $146 ({Predecessor:} 10... dxe4 11. Nxe4 Nxe4 12. Bxe4 Qf4 {1-0 (27) Lehnert,C-Bajramovic,B (2118) Hessen 2017}) 11. Re1 {[#] e5 is the strong threat.} e5 12. exd5 Qxd5 13. Ne4 Qd8 14. Qe2 Nd5 15. Bc4 Nf4 $1 {[%cal Rf4e2]} 16. Qe3 Be6 17. Bb5 {And now Bxc6 would win.} f6 18. Rad1 $36 {[%mdl 2048] White has some pressure.} Qc7 19. g3 Nd5 20. Qc5 Rad8 21. c3 Nce7 22. c4 Bg4 (22... Qxc5 $11 23. Nxc5 Nc7) 23. cxd5 $16 Qxc5 24. Nxc5 {[#] Black must now prevent Kg2.} Bxf3 25. Rd3 ({Of course not} 25. Nxb7 $6 Rb8 $11) 25... Rc8 $2 {[%mdl 8192]} (25... Bxd5 $16 26. Red1 Kf7) 26. d6 $18 {White is clearly winning.} Nf5 (26... Ng6 $142) 27. Bc4+ ({And not} 27. Rxf3 Rxc5 28. Ba4 Nxd6 $11) 27... Kh8 28. d7 ({Worse is} 28. Rxf3 Nd4 $11) 28... Nd4 29. dxc8=Q Rxc8 30. Ne6 {Accuracy: White = 82%, Black = 31%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.18"]
[White "Kamsky, Gata"]
[Black "Huber, Benedikt"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2685"]
[BlackElo "2167"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,0,12,19,18,0,56,59,58,30,62,52,60,61,77,49,45,40,58,50,236,233,264,190,183,189,187,193,181,171,168,167,190,160,166,160,202,179,185,193,561,584,589,571,608,555]} 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. Bb5 Nd4 5. a4 Nxf3+ (5... a6 6. Bd3 Nxf3+ 7. Qxf3 Bd6 8. O-O Qc7 9. h3 Ne7 10. Re1 Bh2+ 11. Kh1 Be5 12. b3 O-O 13. Bb2 Nc6 {0-1 (46) Sokolin,L (2508)-Grachev,B (2626) St Petersburg 2018}) 6. Qxf3 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} Ne7 $146 ({Predecessor:} 6... Bd6 7. d3 Ne7 8. O-O O-O 9. Qh5 Nc6 10. f4 f5 11. Be3 b6 12. Bxc6 dxc6 13. Rad1 Ba6 14. Rf2 Qe8 15. Qh3 Rd8 16. Kh1 c4 17. dxc4 {½-½ (17) Fransson,J (2223)-Labahn,W (2179) Germany 2004}) 7. b3 (7. d3 {feels hotter.} Ng6 8. O-O a6 9. Bc4 Be7 10. Bb3) 7... Nc6 ({Black should try} 7... a6 $11 8. Bc4 Nc6) 8. Bxc6 $14 {White is slightly better.} bxc6 9. Qg3 Ba6 10. d3 d5 11. O-O g6 12. Re1 Bg7 13. e5 Qc7 14. a5 O-O-O $2 (14... Bb5 $14) 15. Na4 $18 c4 16. Nc5 $36 {[%mdl 2048] Keeping Black busy.} Bb5 17. Bg5 {[#] Threatens to win with bxc4.} cxd3 18. Bxd8 ({Don't do} 18. cxd3 $6 Rde8 $16) ({Don't take} 18. Nxd3 $6 Rdf8 $16) 18... Rxd8 19. Nxd3 d4 20. b4 Rd5 21. f4 Bf8 22. Rab1 Qb7 23. Nf2 Ba4 24. c4 Rd7 $2 {[#]} (24... dxc3 25. Qxc3 Bb5) 25. Rec1 {White is clearly winning.} Bxb4 26. c5 Qb8 27. a6 {Accuracy: White = 72%, Black = 41%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.19"]
[White "Schnepp, Gunnar"]
[Black "Demchenko, Anton"]
[Result "0-1"]
[ECO "E95"]
[WhiteElo "2256"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,88,102,109,90,90,78,83,64,61,58,72,57,59,59,77,80,85,80,85,30,31,22,37,0,53,47,63,0,28,37,79,75,77,73,156,70,66,66,58,35,67,-8,-8,-9,-2,0,0,0,0,0,0,0,0,-80,39,0,0,-242,-233,-365,-346,-1682,-1700,-1632,-1525,-29984,-29985,-29984,-29984]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 Nbd7 7. O-O e5 8. Re1 c6 9. Bf1 Re8 10. d5 c5 11. a3 Nh5 12. b4 {E95: King's Indian: Classical: 7...Nbd7 8 Re1} (12. Bd2 Nf8 13. b4 b6 14. Rb1 Nf4 15. bxc5 bxc5 16. Ne2 Nxe2+ 17. Bxe2 f5 18. exf5 gxf5 19. Ng5 h6 {½-½ (69) Rodrigue Lemieux,S (2293)-Ivanov,M (2251) Montreal 2019}) 12... b6 13. Nd2 Bh6 14. Nb3 $146 {White is better.} (14. g3 {looks sharper.} Bb7 15. Rb1 Nhf6 16. h4 a6 17. Qe2) ({Predecessor:} 14. g3 Ng7 15. Ra2 f5 16. f3 Nf6 17. Qe2 Rf8 18. Nb3 Bxc1 19. Nxc1 fxe4 20. fxe4 {½-½ (46) Carlberg,G-Olsson,A Norrkoeping 1968}) 14... Bxc1 15. Rxc1 Nf8 16. g3 Ng7 17. Qd2 h5 18. h4 Nh7 19. Bg2 Bd7 20. bxc5 (20. Qe3 $16) 20... bxc5 $11 21. Nb5 Rb8 22. Qa5 Qf6 ({Black should play} 22... Nf6 $11) 23. Nd2 $14 g5 24. Nf3 (24. hxg5 $14 Nxg5 25. Qa6 (25. Qxa7 Red8 $14)) 24... gxh4 25. Nxh4 Bxb5 26. cxb5 Nf8 27. Rb1 Rb7 (27... Ng6 $142) 28. Qa6 (28. Qd2 $1 $16) 28... Reb8 29. a4 Ng6 30. Nf3 h4 $1 31. Nxh4 ({Better is} 31. Rb3 $14) 31... Nxh4 $11 32. gxh4 Nh5 33. Rb3 Kh8 34. Rf3 Qg6 {Strongly threatening ...Rg8!} 35. Rf5 Nf4 {[%csl Gf4][%cal Rg6g2]} 36. Rg5 Qh6 37. Rg3 {[#]} (37. Re3 $1 $11 {keeps the balance.}) 37... Qf6 (37... f5 $1 $17 {And now ...Nh5 would win.} 38. Ree3 (38. exf5 Rg7 $11) 38... Rh7) 38. Bf1 Qd8 39. Rc1 $2 {[#]} (39. Bh3 $11) 39... f5 $1 $19 {Threatens to win with ...Rh7.} 40. a5 (40. Rg5 {was necessary.}) 40... Rh7 41. Re1 $2 (41. Rcc3) 41... Qxh4 {[%csl Gh7][%cal Rh4h2]} 42. Bg2 Rd8 43. b6 Nxg2 44. Kxg2 f4 {Accuracy: White = 32%, Black = 62%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.20"]
[White "Nebolsina, Vera"]
[Black "Santos Latasa, Jaime"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2252"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,24,12,15,36,-4,0,-42,-52,-67,-68,-117,-113,-119,-119,-106,-120,-151,-109,-164,-56,-93,-59,-88,-81,-104,-46,-104,-64,-69,-79,-55,-50,-38,-54,-68,-62,-100,-143,-119,-25,-27,-34,-147,-22,-199,-162,-217,-231,-254,-99,-238,-243,-349,-248,-277,-261,-300,-287,-389,-379,-725,-715,-1171,-449,-736,-564,-551,-165,-164,-170,-169,-170,-280,-281,-597,-154,-159,-164,-142,-124,-123,-100,-141,-132,-141,-100,-104,-70,-313,-313,-288,-288,-288,-277,-868,-757,-806,-762]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 Nc6 6. O-O {B23: Closed Sicilian: Lines without g3} d6 7. h3 (7. b3 g6 8. Bb2 Bg7 9. h3 e6 10. Na4 e5 11. Nc3 Nge7 12. a4 {½-½ (76) Andreikin,D (2719)-Carlsen,M (2835) St Petersburg 2018}) 7... e6 $146 ({Predecessor:} 7... g6 8. Nd5 Bg7 9. c3 Nf6 10. Bc2 O-O 11. Re1 e5 12. Nxf6+ Qxf6 {½-½ (89) Abdusattorov,N (2546)-Zvjaginsev,V (2642) St Petersburg 2018}) 8. a3 {The position is equal.} g5 9. b4 h5 10. b5 axb5 11. Bxb5 g4 12. Nh2 gxh3 13. g3 Bg7 14. Rb1 (14. Nf3 $17) 14... Nge7 (14... Kf8 $19 15. Nf3 Nd4 16. Nxd4 cxd4) 15. Ne2 Bd7 16. c3 d5 17. d3 Ne5 (17... h4 $17 18. Nf3 Ng6 19. exd5 exd5) 18. Nf4 (18. d4 $15 cxd4 19. cxd4) 18... h4 19. Nh5 Rxh5 20. Qxh5 Bxb5 $1 21. Rxb5 {And now Qh7 would win.} Qd7 $36 {[%mdl 2048] Black is more active.} 22. Rb1 dxe4 23. Bh6 Bxh6 24. Qxe5 {aiming for Ng4.} O-O-O ({Black should try} 24... exd3 $17 {Hoping for ...Qc6.} 25. Ng4 Qc6 26. Qh8+ Kd7 $1 {[%mdl 512]} 27. Ne5+ {[%mdl 64] Double Attack} Kd6 $1 {[%mdl 512]} 28. Nxc6 Rxh8 29. Nxe7 Kxe7 30. Rxb7+ Kd6) 25. Ng4 $11 Nc6 26. Qxc5 (26. Qf6 $1 $15 Bf8 27. dxe4) 26... Bf8 (26... hxg3 $1 $17 27. fxg3 (27. Nxh6 $2 Qxd3 28. Qe3 Qxe3 $19) 27... Qxd3) 27. Qb5 $2 (27. Qc4 $11 {and White is okay.} exd3 28. Rfd1) 27... hxg3 (27... exd3 28. Rfd1 $11) 28. dxe4 (28. Nf6 $142 Qc7 29. Nxe4) 28... Qc7 $1 $19 ({And not} 28... g2 29. Rfe1 $11) 29. e5 gxf2+ $2 (29... Rd5 $19 {and Black stays clearly on top.} 30. Qa4 Bc5 31. Qa8+ Nb8) 30. Rxf2 {[#]} (30. Kh1 $17) 30... Rd5 $1 {[%cal Rd5b5]} 31. Qf1 (31. Qb6 {was necessary.} Bc5 32. Qxc7+ Kxc7 33. Re1) 31... Bc5 32. Qxh3 Kb8 ({Not} 32... Nxe5 33. Qh8+ Qd8 34. Qxd8+ Kxd8 35. Nxe5 $17) 33. c4 Bxf2+ 34. Kxf2 Rd4 35. Qf3 $2 (35. Kg2) 35... f5 36. Nf6 Rd2+ (36... Qxe5 $142 37. Qh3 Qxf6) 37. Ke1 (37. Kf1 $142 Qxe5 38. Nh5) 37... Qa5 38. Rb5 Rd3+ $2 (38... Qd8 39. Rd5 (39. Qxc6 {is a self mate.} Rd1+ 40. Kf2 Qd2+ 41. Kf3 Rf1+ 42. Kg3 Rg1+ 43. Kf3 Qc3+ {[%mdl 64] Double Attack} 44. Ke2 Re1+ 45. Kf2 Qe3+ 46. Kg2 Rg1+ 47. Kh2 Qg3#) 39... Rxd5 40. Nxd5 exd5 41. Qxd5 Qxd5 42. cxd5 Nxe5) 39. Rxa5 Rxf3 {[%mdl 4096] Endgame KRN-KRN} 40. Rb5 Rxa3 41. Nd7+ (41. Ne8 $142) 41... Kc7 42. Nc5 $2 (42. Nf8 {is more resistant.} Nd4 43. Rb2) 42... Nd8 $2 (42... Nd4 $19 {is more deadly.} 43. Kf2 b6 44. Nxe6+ Nxe6) 43. Kd2 $17 Ra2+ 44. Ke3 Rc2 45. Kd3 Rh2 46. Ke3 Rh3+ 47. Kd2 Rh4 48. Kd3 b6 49. Na4 $2 {[#]} (49. Na6+ $1 $15 Kb7 50. Nc5+ Kc6 51. Nb3) 49... Nc6 $1 $19 50. Rxb6 Nxe5+ {[%mdl 64] Double Attack} 51. Ke2 Re4+ 52. Kf2 $2 (52. Kf1 Nc6 53. Rb1) 52... Rxc4 53. Ra6 Nc6 {Accuracy: White = 29%, Black = 44%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.21"]
[White "Chanda, Sandipan"]
[Black "Lederle, Vitus"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2529"]
[BlackElo "2223"]
[Annotator "RC"]
[PlyCount "83"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:01:14]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:50]} Nf6 {[%emt 0:00:10]} 3. Bf4 {[%emt 0:00:24]} c5 {[%emt 0:01:25]} 4. e3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:40]} 5. Nbd2 {[%emt 0:00:11]} Bg4 {[%emt 0:01:37]} 6. c3 {[%emt 0:02:04]} e6 {[%emt 0:00:37]} 7. Qb3 {[%emt 0:00:15]} Qb6 {[%emt 0:04:51]} 8. Qxb6 {[%emt 0:00:14]} axb6 {[%emt 0:00:02]} 9. Bb5 {[%emt 0:00:44]} Nd7 {[%emt 0:02:43]} 10. h3 {[%emt 0:00:13]} Bh5 {[%emt 0:02:59]} 11. g4 {[%emt 0:00:13]} Bg6 {[%emt 0:00:05]} 12. Kf1 {[%emt 0:00:23]} Be7 {[%emt 0:02:17]} 13. Kg2 {[%emt 0:00:14]} O-O {[%emt 0:03:37]} 14. h4 {[%emt 0:00:39]} h5 {[%emt 0:08:05]} 15. g5 {[%emt 0:00:14]} Rfc8 {[%emt 0:16:33]} 16. Rhe1 {[%emt 0:01:04]} cxd4 {[%emt 0:02:12]} 17. exd4 {[%emt 0:00:31]} Nf8 {[%emt 0:02:56]} 18. a3 {[%emt 0:02:59]} Ra5 {[%emt 0:07:06]} 19. Bf1 {[%emt 0:04:12]} Raa8 {[%emt 0:01:12]} 20. c4 {[%emt 0:08:58]} Bf5 {[%emt 0:03:59]} 21. Rac1 {[%emt 0:02:38]} Ng6 {[%emt 0:01:58]} 22. Bg3 {[%emt 0:01:01]} Bf8 {[%emt 0:05:37]} 23. cxd5 {[%emt 0:04:02]} exd5 {[%emt 0:00:11]} 24. Rc3 {[%emt 0:00:43]} Na7 {[%emt 0:11:36]} 25. Rb3 {[%emt 0:09:42]} Rc6 {[%emt 0:05:50]} 26. Ne5 {[%emt 0:01:02]} Nxe5 {[%emt 0:00:55]} 27. dxe5 {[%emt 0:00:29]} Bc2 {[%emt 0:02:00]} 28. Rf3 {[%emt 0:00:18]} Rd8 {[%emt 0:02:45]} 29. Kh2 {[%emt 0:05:10]} b5 {[%emt 0:00:37]} 30. Bh3 {[%emt 0:11:12]} Bg6 {[%emt 0:03:02]} 31. e6 {[%emt 0:04:16]} fxe6 {[%emt 0:00:14]} 32. Bxe6+ {[%emt 0:03:07]} Kh7 {[%emt 0:00:04]} 33. Nb3 {[%emt 0:01:46]} Bd6 {[%emt 0:04:44]} 34. Bf5 {[%emt 0:06:52]} Bxg3+ {[%emt 0:00:19]} 35. Kxg3 {[%emt 0:00:13]} Bxf5 {[%emt 0:01:47]} 36. Rxf5 {[%emt 0:00:06]} Rd7 {[%emt 0:00:22]} 37. Nd4 {[%emt 0:02:29]} Rcd6 {[%emt 0:02:47]} 38. Ne6 {[%emt 0:02:16]} Kg6 {[%emt 0:00:18]} 39. Rf3 {[%emt 0:01:05]} Rf7 {[%emt 0:00:44]} 40. Nf8+ {[%emt 0:00:55]} Rxf8 {[%emt 0:00:18]} 41. Rxf8 {[%emt 0:30:07]} Nc6 {[%emt 0:02:13]} 42. f4 {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.22"]
[White "Vogel, Roven"]
[Black "Boehnke, Martin"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2456"]
[BlackElo "2208"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,73,-6,0,-9,5,-2,12,9,8,9,8,9,26,26,13,12,12,-10,32,23,40,31,36,39,39,19,19,19,19,38,56,54,50,16,31,0,146,145,139,145,144,143,134,145,210,211,211,192,190,182,180,147,426,428,418,402]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bg4 5. c4 e6 6. b3 Be7 7. Bb2 O-O 8. d3 h6 9. Nbd2 a5 10. a3 Nbd7 11. Qc2 {A12: English Opening: 1...c6 with b3 by White} (11. Ra2 Bd6 12. d4 Qe7 13. Ne5 Bf5 14. e3 Bh7 15. f4 Bc7 16. Bc3 Nxe5 17. fxe5 Nd7 18. e4 dxc4 19. Nxc4 {1-0 (74) Granda Zuniga,J (2675)-Rusev,K (2538) Linares 2014}) 11... Bf5 12. Bc3 Qc7 13. Qb2 {The position is equal.} Bh7 14. b4 axb4 $146 ({Predecessor:} 14... b6 15. Ne5 c5 16. Nxd7 Qxd7 17. Nf3 axb4 18. axb4 Rxa1 19. Rxa1 dxc4 {1-0 (38) Milov,L (2490)-Goldberg,A (2400) Germany 1998}) 15. axb4 Rfe8 16. Rfe1 Bf8 17. Rxa8 Rxa8 18. e4 dxe4 19. dxe4 Ne8 20. Bf1 c5 21. b5 Nd6 22. e5 Nc8 23. Ra1 $36 {[%mdl 2048] White fights for an advantage.} Rxa1 24. Qxa1 Be7 25. Ne1 f6 26. Bg2 Nxe5 27. Qa8 Nd7 (27... Kf7 $11) 28. Bxb7 $16 Ndb6 29. Ba5 {[#] aiming for Bxb6.} Nxa8 30. Bxc7 Nxc7 31. Bxc8 {b6 is the strong threat.} Kf7 (31... Na8 $16) 32. b6 $18 Ne8 33. b7 Bd6 34. Nb3 Bb8 35. Nxc5 {And now Na6 would win.} Nd6 $2 {[%mdl 8192] [#]} (35... Nc7 $16 36. Ned3 Bxd3 37. Nxd3 Ke7) 36. Bxe6+ Ke7 {intending ...Nxb7.} 37. Bd5 {Accuracy: White = 70%, Black = 31%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.23"]
[White "Hoffmann, Michael"]
[Black "Richter, Nils"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2445"]
[BlackElo "2213"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,90,45,43,32,27,29,55,42,35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-16,-22,-42,0,0,114,114,114,114,128,127,154,147,191,189,201,168,205,167,196,183,229,237,223,212,331,295,279,297,284,178,238,156,669,652,800,993,879,867,437,159,394,199,403,374,414,140,140,140,140,140,140,140,140,128,128,8,8]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} Nf6 8. O-O-O Ne5 9. Qg3 {White is slightly better.} b5 {Black wants to play ...b4.} 10. Bxb5 axb5 11. Ndxb5 Qb8 {Hoping for ...Nxe4!} 12. Bf4 $1 {[%cal Rf4e5]} d6 {[#]} 13. Rxd6 $3 {[%mdl 512]} Nh5 (13... Bxd6 14. Nxd6+) 14. Qg5 {[%csl Gd6][%cal Rg5d8]} Bxd6 15. Nxd6+ Qxd6 16. Bxe5 $40 {[%mdl 128] [#] White mounts an attack.} Ra5 $146 17. f4 {[#]} Nxf4 $1 {[%mdl 576] Pin} 18. Nd5 (18. Bxf4 Rxg5) 18... Rxd5 19. exd5 Qxd5 (19... Ne2+ $11 20. Kb1 Qxd5 21. Qxg7 Rf8) 20. Bxf4 $16 Qxg5 21. Bxg5 $15 {[%mdl 4096] Endgame KRB-KRB} Bb7 22. Rd1 {[%csl Gg5][%cal Rd1d8]} f6 23. Be3 O-O 24. g3 e5 25. Bc5 Re8 26. Bb6 f5 27. Rd8 Rxd8 28. Bxd8 $18 {KB-KB} Kf7 29. a4 f4 (29... Ke6 $142 30. c4 Ba6) 30. gxf4 $1 exf4 31. Bg5 f3 {Threatens to win with ...f2.} 32. Kd2 Ke6 (32... f2 {might work better.} 33. Ke2 Be4) 33. Ke3 Kf5 $2 (33... Be4 $16 34. c4 Bc2) 34. Bh4 $1 {[%cal Rh4f2]} g5 35. Bg3 h5 36. b4 h4 37. Bc7 $2 (37. Be1 $18 Ke5 38. c4) 37... g4 $2 (37... Be4 $16 38. c4 Bc2) 38. b5 (38. c4 $142) 38... Ke6 $2 (38... f2 39. Kxf2 Ke4) 39. c4 Be4 40. a5 $2 ({Wrong is} 40. Kxe4 $2 f2 $19) (40. Bf4 $1 $18) 40... Kd7 $16 41. Bf4 {Strongly threatening c5.} f2 42. Kxf2 Bd3 43. b6 $1 {[%cal Rb6b7]} Kc6 {[#]} 44. c5 $1 Ba6 {[#]} 45. Bg5 (45. Be3 $1 $16) 45... g3+ $1 {Accuracy: White = 50%, Black = 35%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.24"]
[White "Bellia, Fabrizio"]
[Black "Delitzsch, Juergen"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2433"]
[BlackElo "2197"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,161,20,23,29,29,29,43,0,0,-9,-10,-13,0,0,8,0,0,0,12,0,6,2,6,0,0,0,14,12,45,43,35,25,43,0,0,0,0,0,0,0,0,0,0,0,0,-27,-2,-2,0,-7,0,-15,80,75,155,87,87,91,87,86,97,85,78,48,91,46,52,0,83,57,69,51,49,0,78,59,68,65,54,8,15,0,114,27,35,27,28,0,0,0,84,0,25,22,53,26,22,36,104,105,105,32,143,0,0,-8,0,-355,53,6,50,0,0,0,0,0,63,73,184,187,464,452,2345,2324,2256,2214,2007,1779,2352,1941,29979,29980,29981,29982,29989,29990,29990,29991]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 a5 11. f3 a4 12. O-O Qa5 13. Rac1 Be6 14. Rc2 {B36: Sicilian: Maroczy Bind: Gurgenidze System} (14. Nd5 Qxd2 15. Nxe7+ Kh8 16. Bxd2 Rfe8 17. Nd5 Nxd5 18. cxd5 Bxd5 19. Bb5 {½-½ (19) Vocaturo,D (2609)-Iturrizaga Bonelli,E (2652) Benasque 2018}) 14... Rfc8 15. Rfc1 Nd7 16. Nd5 {White is slightly better.} Qxd2 17. Rxd2 $146 ({Predecessor:} 17. Bxd2 Kf8 18. Bg5 Bxd5 19. cxd5 Rxc2 20. Rxc2 Nc5 21. Be3 e6 22. dxe6 Nxe6 {1-0 (61) Nabaty,T (2485)-Parligras,M (2551) Albena 2010}) 17... Bxd5 18. exd5 Nc5 19. Rb1 Ra6 20. Bd1 Kf8 21. g3 Rc7 22. Kg2 Rc8 23. h4 Rb6 24. b4 {a3 is the strong threat.} axb3 25. axb3 Rb4 26. Ra2 Bc3 27. Rc1 Bf6 28. Bd2 Rb6 $1 29. Rb1 Ra6 30. Rxa6 Nxa6 31. Be2 Nc5 32. b4 Na4 33. Rc1 Bb2 34. Rc2 $36 {[%mdl 2048] White has some pressure.} Bd4 35. f4 Nb6 36. Bd3 Ra8 37. h5 Kg7 38. g4 Rc8 (38... gxh5 $11 {remains equal.} 39. gxh5 Nd7) 39. Kf3 $16 e5 (39... Ra8 $142) 40. dxe6 (40. fxe5 $142 Bxe5 41. Be3) 40... fxe6 41. Ke4 Ba1 42. h6+ Kf7 43. Kf3 Bd4 44. g5 Ra8 45. Be4 Rc8 46. Bd3 (46. c5 $5 dxc5 47. Bxb7 $16) 46... Ra8 47. Ke2 Rc8 48. Be1 Ke7 49. Bd2 Kf7 50. Be3 Bxe3 51. Kxe3 $14 {[%mdl 4096] Endgame KRB-KRN} Ke7 52. Kd4 Rf8 53. Rf2 Nd7 (53... e5+ $11 {keeps the balance.} 54. Ke4 Rf5) 54. Ke3 (54. Be4 $16) 54... Ra8 $11 55. Rb2 Nb6 56. Kd4 (56. Rd2 $11) 56... Rf8 $16 57. Rf2 Nd7 58. Ke3 (58. Be4 $16) 58... Ra8 $11 59. Rf1 Nb6 60. Kd4 Rf8 61. Kc3 Nd7 ({Black should try} 61... Rc8 $14) 62. Be4 $16 b6 63. Rf3 (63. Bc6 $16) 63... Kd8 (63... b5 $1 $14) 64. Kd3 (64. Kb3 $1 $16) 64... b5 $1 $11 {[%cal Rb5c4]} 65. Bc6 bxc4+ 66. Kxc4 $2 {[%mdl 8192] [#]} (66. Kc2 $11 {and White stays safe.}) 66... Nb6+ $2 (66... Ne5+ $1 $19 {[%mdl 512]} 67. fxe5 d5+ 68. Kc5 Rxf3) 67. Kd4 Ke7 68. Be4 (68. Ra3 $5 {[%cal Ra3a7]} Rxf4+ 69. Ke3 $11) 68... d5 69. Bd3 Kd6 70. Rf1 Nc8 (70... Ra8 $11) 71. Ke3 $1 $14 Ne7 {[#]} (71... Nb6 $16 {is a better defense.}) 72. Ra1 $1 $18 Rc8 $2 (72... Nc6) 73. Ra6+ Rc6 (73... Kd7 $142 74. Bb5+ Kc7) 74. b5 Rxa6 75. bxa6 {KB-KN} Kc7 76. Kd4 Nc6+ 77. Kc5 e5 {[#]} 78. Bxg6 $1 {[%mdl 512] White mates.} exf4 (78... hxg6 79. h7) 79. Bxh7 Ne5 80. Bf5 f3 81. h7 {Accuracy: White = 49%, Black = 48%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.25"]
[White "Morawietz, Dieter"]
[Black "Schnelzer, Reinhold"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2419"]
[BlackElo "2192"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,73,0,33,41,39,45,32,30,32,39,31,43,64,63,112,95,104,108,138,92,225,224,212,217,220,222,222,212,230,222,207,205,208,219,217,223,214,214,224,224,212,224,199,213,250,240,243,239,965,934,29984,661,29985,640,29991,710,29996,29997,29997,29994,29998,29999]} 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 Nf6 7. Bg2 dxe4 8. Nxe4 {B11: Caro-Kann: Two Knights Variation} Nxe4 9. Qxe4 Qd5 (9... Nd7 10. O-O Be7 11. d4 O-O 12. Rd1 Nf6 13. Qe2 Qb6 14. c4 {½-½ (32) Wang,H (2709)-Esipenko,A (2564) Riadh 2017}) 10. Qxd5 {White is slightly better.} (10. d4 {is more complex.} h5 11. Qxd5 cxd5 12. h4 Bd6 13. c3) 10... exd5 11. O-O f6 $146 ({Predecessor:} 11... Na6 12. a3 Bd6 13. b4 Nc7 14. d3 a5 15. bxa5 Rxa5 {½-½ (32) Chernyshov,K (2508)-Rojicek,V (2433) Pardubice 2014}) 12. b4 a6 13. d3 Bd6 14. c4 dxc4 15. dxc4 O-O 16. Rd1 $36 {[%mdl 2048] Keeping Black busy.} Rd8 (16... Bxb4 $16 {was called for.} 17. Rb1 a5) 17. Bf4 $18 Be7 18. Rxd8+ Bxd8 19. Rd1 Be7 20. a4 Kf8 21. b5 Ke8 22. h4 g5 23. hxg5 fxg5 24. Bc7 axb5 25. axb5 cxb5 26. cxb5 {Hoping for b6.} Nd7 27. Re1 {And now Bd6 would win.} Kf8 {[#]} 28. Rc1 $1 Nc5 29. Bb6 Na4 30. Bd4 Ra5 $2 (30... Rd8) 31. Rc8+ Kf7 32. Bd5+ Kg6 33. Bc4 (33. g4 $142 Kh6 34. Bxb7 Bf6 {[#]} 35. Rc6 $1 {[%mdl 512]} Kg7 36. Rxf6 Nc5 37. Ra6+ Kf7 38. Bd5+ Ne6 39. Bxe6+ Ke7 40. Rxa5) 33... b6 34. Rc7 (34. g4 $142 Nc5 35. Rc6+ {[%mdl 64] Double Attack} Ne6 36. Bxe6 Bf6 37. Bf5+ Kf7 38. Rxf6+ Ke8 39. Rxb6) 34... Bc5 35. Bd3+ {White mates.} Kh5 36. Rxh7+ Kg4 37. Kg2 {Accuracy: White = 85%, Black = 33%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.26"]
[White "Hofstetter, Hans-Joachim"]
[Black "Manu David Suthandram R"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2210"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,80,39,0,32,0,0,-18,0,-49,-42,-82,-80,-79,-93,-73,-92,-84,-83,-78,-83,-101,6,6,5,6,4,6,134,137,117,87,123,110,173,167,170,166,201,166,156,56,106,101,171,114,83,83,122,0,0,0,0,0,0,0,0,0,287,287,277,0,14,-198,-124,-2153,-891]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Bc4 b5 {B33: Sicilian: Pelikan and Sveshnikov Variations} 10. Bd5 (10. Bxf6 $5 Qxf6 11. Bd5 $11) 10... Rc8 {And now ...b4 would win.} 11. Ne2 Ne7 $146 {[%cal Re6d5] The position is equal.} ({Predecessor:} 11... Be7 12. Bxf6 Bxf6 13. c3 Bxd5 14. Qxd5 O-O 15. Rd1 Qb6 16. Nc2 Bg5 17. Ng3 {1-0 (37) Fataliyeva,U (2301)-Zarinfam,A (2301) Nakhchivan 2016}) 12. Bxe6 (12. Bxf6 $5 gxf6 13. c3 $15) 12... fxe6 13. Qd3 d5 $1 14. Bxf6 gxf6 15. c3 f5 16. exf5 Nxf5 17. Nc2 Bc5 18. f4 exf4 (18... e4 $17 19. Qh3 Qh4+ 20. Qxh4 Nxh4) 19. Nxf4 $11 Qd6 20. g3 O-O 21. O-O-O Ne7 (21... d4 $1 $11 {keeps the balance.}) 22. Rhe1 $16 Rf6 23. Nh5 Rf7 24. Qe2 Rc6 (24... e5 $16 {might work better.}) 25. Qg4+ $18 Ng6 26. Nf4 $1 Rf6 27. h4 Kh8 {[%cal Rg6f4] [#]} 28. Qg5 (28. Rxe6 $1 $16 {[%mdl 512]} Rxe6 29. Rxd5) 28... Qf8 {[%cal Rg6f4]} 29. Nd3 Be7 (29... Bb6 $16 {is a better defense.}) 30. Qg4 (30. Kb1 $18) 30... Rc4 $16 31. Nd4 $36 {[%mdl 2048] Black is under strong pressure.} b4 {[#]} 32. h5 (32. b3 $1 $16 {[%cal Rb3c4]} Rxc3+ 33. Kb1) 32... bxc3 $11 33. b3 $1 {[%cal Rb3c4] [#]} c2 $1 {[%mdl 512]} 34. bxc4 (34. Nxc2 Rxg4) 34... cxd1=Q+ 35. Kxd1 dxc4 36. Nxe6 Qh6 $2 {[%mdl 8192]} (36... Qc8 $11 37. Nb2 Qd7+ 38. Kc2 Bb4) 37. hxg6 $18 {aiming for g7+.} cxd3 38. Ng5 $2 ({Only move:} 38. g7+ $18 Kg8 {[#]} 39. Nc5 $1 {[%mdl 576] Promotion}) 38... Qg7 {Strongly threatening ...Rf8.} 39. gxh7 $2 {[#]} (39. Qc8+ $11 {and White stays safe.} Rf8 40. Nf7+ Kg8 41. gxh7+ Qxh7 42. Qg4+ Kxf7 43. Qe6+ {[%mdl 64] Double Attack} Kg7 44. Qxe7+ Rf7 45. Qe5+ Kf8 46. Qc5+ Kg7 47. Qe5+ Kf8 48. Qc5+ Kg7 49. Qc3+ Kf8 50. Qb4+ Kg7 51. Qb2+ Kf8 52. Qb4+ Kg7 53. Qc3+ Kf8 54. Qc5+) 39... Rf2 $1 {[%mdl 512]} 40. Qc8+ $2 {[%mdl 8192]} (40. Re5 $17) 40... Rf8 {Accuracy: White = 28%, Black = 41%.} (40... Bf8 $142 41. Ne4 Rc2 42. Qxc2 dxc2+ 43. Kxc2 Qd4) 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.27"]
[White "Miller, Eduard"]
[Black "Sieglen, Joachim"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2402"]
[BlackElo "2187"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,71,17,15,0,14,7,15,0,0,-30,-43,-94,-96,-77,-77,-73,-74,-97,-92,-115,-100,-71,-42,-74,0,0,0,0,3,0,35,39,33,33,34,35,37,0,0,0,20,34,35,41,61,54,54,64,87,62,72,69,106,107,104,107,109,110,97,54,154,122]} 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Qb3 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6} (7. cxd5 Nxd5 8. Qc2 Nc6 9. a3 Ba5 10. Bd3 h6 11. O-O O-O 12. Rd1 Bd7 13. Ne4 Bb6 14. Bc4 Rc8 15. Nd6 Rc7 16. Nb5 Ncb4 17. Qb3 Bxb5 18. Bxb5 {0-1 (56) Gelfand,B (2719)-Dominguez Perez,L (2752) Hengshui 2019}) 7... Bxc3+ 8. Qxc3 O-O 9. c5 $146 {The position is equal.} ({Predecessor:} 9. Bd3 Nbd7 10. O-O b6 11. b3 Bb7 12. Ne5 Nxe5 13. dxe5 d4 14. Qc2 Nd7 15. Bxh7+ {1-0 (33) Neyasova,V-Mladenovic,S (1955) Khanty-Mansiysk 2009}) 9... Ne4 10. Qc2 Nc6 {[%cal Bb8c6,Bc6b4,Bb4d3][%mdl 32]} 11. Bd3 (11. a3 $15) 11... Nb4 $36 {[%mdl 2048] Black has strong initiative.} 12. Qb3 Nxd3+ 13. Qxd3 b6 14. Nd2 bxc5 {aiming for ...Qa5.} 15. Nxe4 dxe4 16. Qxe4 Rb8 {Strongly threatening ...Bb7.} 17. dxc5 {[#]} Qa5+ (17... Ba6 $1 $17 {...Rxb2! is the strong threat.} 18. f3 Qf6) 18. Bd2 $11 Qxc5 19. Bc3 Qg5 (19... f6 {seems wilder.} 20. O-O e5 21. Qa4 Be6 22. Rac1 Qc4) 20. h4 Qd5 (20... Qb5 {feels hotter.} 21. Qe5 Qxe5+ 22. Bxe5 Rb5 23. Bc3 f6) 21. Qxd5 exd5 22. O-O-O Be6 23. h5 h6 24. g4 Rbc8 25. Rd4 f6 26. Rg1 Rf7 27. Kd2 Rc4 28. f4 Rxd4+ 29. Bxd4 $14 {[%mdl 4096] Endgame KRB-KRB} Kh7 30. Rg3 a6 31. b3 Rc7 32. f5 Bd7 33. a4 Kg8 34. Rc3 Rb7 35. Bc5 Kf7 (35... d4 $14 36. Rd3 (36. Bxd4 Rb4 $14) 36... Bc6) 36. Kd3 {Accuracy: White = 54%, Black = 57%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.28"]
[White "Mohota, Nisha"]
[Black "Piscopo, Pierluigi"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2195"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,32,23,0,0,0,0,0,4,8,14,0,5]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 Be6 9. Nc2 Nf6 10. Be2 O-O 11. O-O Rc8 12. b3 b5 {The position is equal. B32: Sicilian: Löwenthal and Kalashnikov Variations} 13. cxb5 Na7 (13... axb5 14. Bxb5 Na7 15. Qd3 Rxc3 16. Qxc3 Nxb5 17. Qd3 Qb8 18. a4 Nc7 19. b4 Qb7 20. Bg5 {0-1 (56) Durarbayli,V (2590)-Naiditsch,A (2705) Dubai 2014}) 14. Nd5 Nxb5 15. Nxf6+ Bxf6 16. Bxb5 axb5 {Predecessor:} 17. Nb4 $146 Qd7 18. Qd3 Bd8 19. Be3 f5 20. Rfd1 {0-1 (36) Sitnikov,A (2182)-Nyback,T (2345) Chalkidiki 2001} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.29"]
[White "Koepke, Christian"]
[Black "Klimkowski, Jan"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2332"]
[BlackElo "2174"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,144,0,0,-5,6,0,10,-12,0,-8,0,0,15,12,35,3,57,47,57,12,24,31,160,110,113,57,58,55,54,59,85,62,116,115,113,115,127,120,290,39,348,14,22,25,22,19,75,74,94,86,329,62,67,0,22,20,16,30,62,0,0,0,0,0,20,25,22,15,98,87,202,200,206,88,336,335,431,236,322,326,331,292,341,341,431,443,369,229,221,222,327,45,45,45,45,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5099,-8157,-5081,-2026,-29970,-29972,-29972,-12809,-29966,-29965,-29960,-29965,-29961,-12797,-29989,-29988,-29983,-12832,-12829,-12830,-29986,-29987,-29995,-29993,-29996,-29997,-29997,-29998]} 1. e4 c5 2. Be2 (2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. Bg5 O-O 9. Bxf6 Bxf6 10. Nd5 Bg5 11. Bg4 Be6 12. O-O g6 13. Bxe6 fxe6 14. Nc3 Qe7 15. Qd3 Rad8 16. Rad1 a6 17. a3 Kg7 {1-0 (46) Radjabov,T (2758)-Ding,L (2811) Khanty-Mansiysk 2019}) 2... d6 3. f4 e6 4. Nf3 Nf6 5. d3 Be7 6. O-O {B31: Sicilian: 2...Nc6 3 Bb5 g6} O-O 7. c3 b6 $146 ({Predecessor:} 7... Nc6 8. a4 a6 9. Nbd2 Bd7 10. Nc4 b5 11. axb5 axb5 12. Rxa8 Qxa8 {0-1 (44) Malygin,L (1416)-Kizim,N Dzerzhinsk 2015}) 8. Kh1 {The position is equal.} Bb7 9. Be3 Nbd7 10. Nbd2 b5 11. Qe1 Rc8 12. Qg3 c4 ({Black should try} 12... Nb6 $11) 13. e5 $14 Nd5 14. Bxa7 {[%cal Rd3c4]} dxe5 15. fxe5 {[%cal Rd3c4]} Nc5 (15... cxd3 $1 $14 16. Bxd3 b4) 16. Bxc5 Bxc5 17. d4 $36 {[%mdl 2048] White has good play.} (17. dxc4 $16 Ne3 18. cxb5) 17... Be7 $1 18. a3 Ne3 19. Rg1 f5 20. exf6 $1 Rxf6 (20... Bxf6 $14 21. a4 bxa4) 21. Ne5 $16 Nf5 22. Qe1 Rh6 23. Bf3 Bg5 $2 (23... Bd5 $16) 24. Nf1 $2 (24. Bxb7 Bxd2 25. Qf2 Rb8 $11) (24. Ng4 $1 $18 {[%cal Rg4h6]} Bd5 25. Nxh6+ Bxh6 26. Bxd5 Qxd5 27. Nf3) 24... Bf4 $2 {[%mdl 8192]} (24... Qc7 $14) 25. g3 $2 ({Weaker is} 25. Bxb7 Ng3+ 26. Qxg3 (26. Nxg3 $2 {gets mated.} Rxh2+ 27. Kxh2 Qh4#) 26... Bxg3 $11) (25. Ng4 $1 $18 {[%cal Rg4h6]} Bd5 26. Nxh6+ Nxh6 27. Qe2) 25... Bxf3+ $11 26. Nxf3 Qd5 27. Qe2 Bd6 (27... Bc7 $11) 28. Rg2 $16 Rf8 {White should prevent ...Nxg3+!} 29. Ne5 $1 Rhf6 $2 (29... Bb8 $16) 30. Ng4 $2 (30. Nd7 $18) 30... R6f7 $14 31. Kg1 (31. Rd1 $14) 31... h5 (31... e5 $5 {[%cal Re5d4]} 32. Nfe3 Nxe3 33. Nxe3 Qb7 $11) 32. Nge3 Nxe3 $1 33. Nxe3 Qg5 $1 34. Re1 (34. Qd2 $14) 34... e5 $1 $11 35. h4 Qg6 36. dxe5 Bc5 37. Kh2 {Threatens to win with Nd5.} Rf3 $1 {[%cal Rf3e3]} 38. Qd2 {Qd5+ is the strong threat.} Kh8 (38... Qd3 $11 39. Qxd3 cxd3) 39. Ree2 $16 Qf7 (39... Qd3 $16 {is a better defense.} 40. Nd1 Rd8) 40. Nc2 $1 $18 Rd3 {[#]} 41. Qe1 (41. Qg5 $1 $18 {has better winning chances. Hoping for e6.} Qe6 42. Qxh5+ Kg8 43. Rd2) 41... Rf3 $2 (41... Qe6 $16 {was worth a try.}) 42. e6 Qe7 {intending ...Rf1.} 43. Qd2 (43. Re5 $142 g6 44. Nd4) 43... R3f4 44. Kh3 Rf1 45. Nd4 Kg8 46. Qg5 ({Less strong is} 46. Nxb5 Qf6 $16) 46... R1f6 47. Qd5 Rd8 48. Qxh5 {aiming for Nc6.} Bxd4 49. cxd4 Rxd4 (49... Rxe6 {was necessary.} 50. Qg4 Rxe2 51. Rxe2 Qf7) 50. Qxb5 $2 (50. Qg5 $18) 50... Rh6 $1 $14 {[%cal Rh6h4]} 51. h5 $1 {Strongly threatening Re5.} Rxe6 52. Rxe6 Qxe6+ {[%mdl 4096] Endgame KQR-KQR} 53. Kh2 Rd5 54. Qb8+ Kh7 55. g4 Rd6 56. Qb5 Rd5 57. Qb8 Rd6 {( -> ...Qe5+)} 58. Qb5 Rd5 59. Qxc4 $2 {[%mdl 8192] [#]} (59. Qb8 $11) 59... Rxh5+ $1 $19 {[%mdl 576] Discovered Attack} 60. gxh5 Qxc4 $11 {KQ-KR} 61. b4 Qh4+ 62. Kg1 Qd4+ (62... Qe1+ $142 63. Kh2 Qh4+ 64. Kg1 Qf4 65. Rg6 Qc1+ 66. Kg2 Qxa3 67. Rb6 Qa8+ 68. Kg3 Qe4 69. Rg6 Qxb4 70. Kh3 Qc3+ 71. Kh4 Qe1+ 72. Kh3 Qh1+ 73. Kg4 Qe4+ 74. Kg5 Qd4 75. Kf5 Qe3 76. Rg4 Qf3+ 77. Rf4 Qxh5+ 78. Ke4 Qe2+ 79. Kd5 Kg6 80. Kd4 Qd2+ 81. Ke5 Kg5 82. Rf5+ Kg4 83. Rf8 Qc3+ 84. Ke6 Qc6+ 85. Ke7 Qc5+ 86. Kf7 {[#]} Qxf8+ $1 {[%mdl 512]} 87. Kxf8 g5 88. Ke8 Kf4 89. Kf7 g4 90. Kg6 g3 91. Kf7 g2 92. Ke7 g1=Q 93. Kd6 Ke4 94. Ke6 Qc5 95. Kf6 Qd6+ 96. Kf7 Kf5 97. Ke8 Qc7 98. Kf8 Kf6 99. Kg8 Qg7#) 63. Kh2 Qe5+ 64. Rg3 Kh6 65. Kg2 Kxh5 (65... Qe2+ $142 66. Kg1 Kxh5 67. a4 Kh4 68. Ra3 g5 69. Rc3 g4 70. b5 g3 71. Rc4+ Qxc4 72. Kg2 Qe2+ 73. Kg1 Qh2+ 74. Kf1 Qf2#) 66. a4 Kh4 67. Rf3 Qb2+ (67... g5 $142 68. Kf2 g4 69. Re3 g3+ 70. Rxg3 Qxg3+ 71. Ke2 Qc3 72. a5 Kg3 73. a6 Kf4 74. a7 Qc2+ 75. Kf1 Qd1+ 76. Kg2 Qe2+ 77. Kh1 Kg3 78. a8=Q Qh2#) 68. Rf2 $19 Qxb4 69. Rf7 Qe4+ {Black mates.} 70. Kh2 g5 71. a5 Qc2+ 72. Kg1 Kg3 {Accuracy: White = 43%, Black = 26%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.30"]
[White "Lavrinenkov, Vadim"]
[Black "Friesen, Viktor"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2306"]
[BlackElo "2170"]
[Annotator "TA"]
[PlyCount "183"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,183,19,41,15,16,16,25,12,7,12,13,10,12,14,18,0,0,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,-9,0,8,11,0,4,4,13,0,0,-18,-14,-23,-8,-10,-4,-2,0,-11,-4,-35,-20,-22,0,0,0,0,0,0,0,0,0,-37,0,-30,-23,-19,21,-60,0,0,0,-39,0,0,11,0,0,-18,0,0,0,-8,0,0,22,27,16,26,33,0,-4,0,43,18,106,110,103,40,56,56,50,46,77,33,110,65,85,77,102,100,106,101,155,136,143,97,507,486,497,485,561,53,67,5,28,25,17,24,74,8,109,49,73,8,16,8,8,2,67,66,64,64,65,65,59,63,332,63,63,55,68,58,668,660,658,645,1550,1422,29970,29975,29974,29973,2807,2363,29980,29981,5887,1563]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 Be7 7. e3 Nbd7 8. Qb3 {D53: Queen's Gambit Declined: 4 Bg5 Be7: Early deviations} c6 9. Qc2 (9. Bd3 Nf8 10. O-O Ne6 11. Bh4 O-O 12. Qc2 g6 13. Rab1 Ng7 {½-½ (32) Kazhgaleyev,M (2582)-Melkumyan,H (2660) Batumi 2018}) 9... Nf8 $146 {[%cal Bd7f8,Bf8e6,Be6g7,Bg7f5,Bf5d6,Bd6e4][%mdl 32]} ({Predecessor:} 9... O-O 10. Bd3 b5 11. O-O Bb7 12. Rfe1 g6 13. e4 c5 {½-½ (53) Enescu,C (2329)-Anokhin,Y (2311) ICCF email 2011}) 10. Bd3 {White has an edge.} Ne6 11. Bh4 g6 12. O-O Ng7 13. Na4 Bf5 14. Ne5 Bxd3 15. Nxd3 Nf5 16. Bg5 Nd7 17. Bxe7 Qxe7 18. Ndc5 Nxc5 19. Nxc5 O-O 20. Rad1 Nd6 21. Rfe1 Rfe8 22. b3 Ne4 23. Nd3 Qd6 24. f3 Nf6 25. Nf2 Rad8 26. Qd2 Qd7 27. h3 Qf5 28. Re2 Re7 29. Rde1 Qd7 30. Rd1 Rde8 31. Rde1 Rd8 32. Nd3 Qc7 33. Qb4 Rde8 34. Qd2 Nh5 35. g4 $1 {[%cal Rg4h5]} Nf6 {And now ...Qg3+ would win.} 36. Kg2 Kg7 37. Nf4 Qd7 38. Nd3 Qc7 39. Nc5 Nd7 40. Na4 Qd6 41. Nc3 Nf6 42. Nd1 (42. e4 $11 Nd7 43. e5) 42... Re6 (42... h5 $15 43. g5 Nh7) 43. Nf2 $11 {[%cal Bd1f2,Bf2h1,Bh1g3][%mdl 32]} R6e7 44. Nh1 h6 45. Ng3 Nh7 46. Qc3 Kg8 47. Rf1 Nf6 48. Qd3 Kg7 49. Rh1 Qb4 50. h4 c5 51. dxc5 Qxc5 {[%cal Re7e3]} 52. Rhe1 Rc7 53. g5 hxg5 54. hxg5 Nd7 55. f4 Rh8 (55... f6 $11) 56. Rd2 Nb6 57. Ree2 (57. e4 $16) 57... Qc3 58. Qd4+ Qxd4 59. Rxd4 Rhc8 60. Rb4 Rc6 (60... Nd7 $14) 61. Kf3 R8c7 62. Rd2 Kf8 63. Nh1 Ke7 64. Nf2 Ke6 (64... Rd6 $142) 65. e4 Rd7 66. Re2 dxe4+ $2 {[%mdl 8192]} (66... Kd6 $16 {is more resistant.}) 67. Nxe4 $18 Rd3+ 68. Kg4 Kd5 69. Nf6+ $2 ({Only move:} 69. Nf2 $18 Rdc3 70. Re5+ Kd6 71. Ne4+ Kc7 72. Nxc3 Rxc3 73. Re7+ {[%mdl 64] Double Attack} Kd6 74. Rxf7 (74. Rxb6+ Kxe7 75. Rxb7+ Ke8 $18)) 69... Kd6 70. Ree4 ({White should play} 70. Re5 $14) 70... a5 71. Rbd4+ Rxd4 72. Rxd4+ $11 {[%mdl 4096] Endgame KRN-KRN} Kc5 73. Re4 (73. Rd3 $16) 73... Rc7 (73... Re6 $11 {keeps the balance.}) 74. Kf3 (74. a4 $1 $16) 74... Kb5 75. Ke3 ({Better is} 75. a4+ $16 Ka6 76. Kg4) 75... a4 76. bxa4+ Nxa4 77. Nd5 Rc2 ({Black should try} 77... Rd7 $11 78. Rxa4 Rxd5) 78. Re7 $1 $14 {[%csl LRb7,LRf7]} Rxa2 79. Rxf7 {aiming for f5.} Kc4 80. Ne7 Ra3+ 81. Kf2 {Black must now prevent f5.} b5 $2 {[%mdl 8192] [#]} (81... Nc5 $14) 82. Nxg6 $2 (82. f5 $1 $18 {[%cal Rf5g6]} gxf5 83. g6 (83. Rxf5 Nc5 $14)) 82... Nc5 $1 83. Ne5+ Kd5 84. g6 {Threatens to win with g7.} Ne6 $2 {[%mdl 8192] [#]} (84... Ne4+ $14 85. Kg2 b4) 85. Nf3 $1 $18 Ra8 86. f5 Nf8 87. Ng5 Kd6 88. g7 Nd7 89. Ne4+ Kc6 90. Nf6 Ra2+ 91. Ke3 Ra3+ 92. Ke4 {Accuracy: White = 43%, Black = 37%.} (92. Kf4 $142 Ra4+ 93. Kg5 Nxf6 94. Rxf6+ Kc5 95. g8=Q) 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.31"]
[White "Chennaoui, Yasin"]
[Black "Nasshan, Dennis"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2162"]
[BlackElo "2306"]
[Annotator "RC"]
[PlyCount "123"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:05:03]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:02]} 3. b3 {[%emt 0:00:11]} d5 {[%emt 0:00:01]} 4. g3 {[%emt 0:00:07]} Be7 {[%emt 0:00:01]} 5. Bg2 {[%emt 0:00:08]} O-O {[%emt 0:00:02]} 6. O-O {[%emt 0:00:07]} b6 {[%emt 0:00:01]} 7. Bb2 {[%emt 0:00:09]} c5 {[%emt 0:01:09]} 8. e3 {[%emt 0:01:12]} Nc6 {[%emt 0:00:06]} 9. Qe2 {[%emt 0:00:00]} Ba6 {[%emt 0:00:04]} 10. d3 {[%emt 0:00:57]} Qc7 {[%emt 0:02:22]} 11. Na3 {[%emt 0:00:27]} Rac8 {[%emt 0:01:40]} 12. Rfd1 {[%emt 0:00:47]} Rfd8 {[%emt 0:00:33]} 13. Rac1 {[%emt 0:02:08]} Qb8 {[%emt 0:00:07]} 14. Bc3 {[%emt 0:05:18]} dxc4 {[%emt 0:09:23]} 15. bxc4 {[%emt 0:04:49]} Ne8 {[%emt 0:01:03]} 16. Qb2 {[%emt 0:03:05]} Bf6 {[%emt 0:00:15]} 17. d4 {[%emt 0:11:47]} cxd4 {[%emt 0:01:48]} 18. exd4 {[%emt 0:03:23]} Ne7 {[%emt 0:05:06]} 19. Ne5 {[%emt 0:04:26]} Bb7 {[%emt 0:15:09]} 20. Ng4 {[%emt 0:15:56]} Bxg2 {[%emt 0:01:00]} 21. Kxg2 {[%emt 0:00:41]} Qa8+ {[%emt 0:00:05]} 22. f3 {[%emt 0:00:37]} Bg5 {[%emt 0:01:05]} 23. Bd2 {[%emt 0:01:22]} Bxd2 {[%emt 0:00:38]} 24. Qxd2 {[%emt 0:00:16]} Ng6 {[%emt 0:02:59]} 25. Qg5 {[%emt 0:09:04]} h6 {[%emt 0:03:07]} 26. Qh5 {[%emt 0:01:40]} Qb7 {[%emt 0:03:53]} 27. Ne5 {[%emt 0:16:25]} Nf6 {[%emt 0:03:24]} 28. Qh3 {[%emt 0:00:39]} Nxe5 {[%emt 0:00:20]} 29. dxe5 {[%emt 0:00:12]} Nd7 {[%emt 0:00:04]} 30. Qh4 {[%emt 0:00:54]} Qa8 {[%emt 0:13:39]} 31. Qf4 {[%emt 0:03:38]} Qb8 {[%emt 0:06:14]} 32. Nb5 {[%emt 0:00:45]} Nxe5 {[%emt 0:02:35]} 33. Nxa7 {[%emt 0:05:54]} Rxd1 {[%emt 0:02:51]} 34. Nxc8 {[%emt 0:02:58]} Rxc1 {[%emt 0:01:38]} 35. Ne7+ {[%emt 0:00:06]} Kf8 {[%emt 0:07:29]} 36. Ng6+ {[%emt 0:00:11]} Ke8 {[%emt 0:03:04]} 37. Nxe5 {[%emt 0:00:17]} Rc2+ {[%emt 0:00:04]} 38. Kh3 {[%emt 0:00:18]} Qc7 {[%emt 0:02:21]} 39. Qe4 {[%emt 0:05:25]} Rxa2 {[%emt 0:01:49]} 40. f4 {[%emt 0:00:14]} Ra5 {[%emt 0:01:16]} 41. Qh7 {[%emt 0:03:47]} Rxe5 {[%emt 0:00:24]} 42. Qh8+ {[%emt 0:00:11]} Ke7 {[%emt 0:00:21]} 43. fxe5 {[%emt 0:00:06]} Qxe5 {[%emt 0:00:03]} 44. Qa8 {[%emt 0:00:33]} Kf6 {[%emt 0:01:19]} 45. Qd8+ {[%emt 0:00:22]} Kg6 {[%emt 0:00:21]} 46. Qxb6 {[%emt 0:00:18]} Qh5+ {[%emt 0:00:19]} 47. Kg2 {[%emt 0:00:23]} Qe2+ {[%emt 0:00:02]} 48. Qf2 {[%emt 0:00:22]} Qxf2+ {[%emt 0:02:45]} 49. Kxf2 {[%emt 0:00:26]} Kf5 {[%emt 0:00:01]} 50. Ke3 {[%emt 0:00:36]} Ke5 {[%emt 0:00:01]} 51. h4 {[%emt 0:00:31]} g5 {[%emt 0:02:28]} 52. hxg5 {[%emt 0:03:32]} hxg5 {[%emt 0:00:04]} 53. Kf3 {[%emt 0:02:09]} f5 {[%emt 0:00:01]} 54. Ke3 {[%emt 0:00:08]} Kd6 {[%emt 0:00:12]} 55. Kd4 {[%emt 0:00:19]} e5+ {[%emt 0:00:01]} 56. Kd3 {[%emt 0:00:42]} Kc5 {[%emt 0:01:05]} 57. g4 {[%emt 0:00:07]} fxg4 {[%emt 0:01:02]} 58. Ke4 {[%emt 0:00:06]} Kxc4 {[%emt 0:00:15]} 59. Kxe5 {[%emt 0:00:05]} g3 {[%emt 0:00:11]} 60. Kf5 {[%emt 0:00:04]} g2 {[%emt 0:00:05]} 61. Kxg5 {[%emt 0:00:03]} g1=Q+ {[%emt 0:00:21]} 62. Kf4 {[%emt 0:00:03]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.32"]
[White "Ludvik, Tomas"]
[Black "Bopp, Thomas"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2305"]
[BlackElo "2156"]
[Annotator "RC"]
[PlyCount "101"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. d5 {[%emt 0:00:49]} g6 {[%emt 0:00:00]} 3. e4 {[%emt 0:05:06]} Bg7 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:46]} d6 {[%emt 0:00:23]} 5. Nc3 {[%emt 0:00:42]} Nf6 {[%emt 0:00:22]} 6. Be2 {[%emt 0:00:27]} O-O {[%emt 0:00:10]} 7. O-O {[%emt 0:04:29]} Bg4 {[%emt 0:08:06]} 8. h3 {[%emt 0:03:01]} Bxf3 {[%emt 0:00:03]} 9. Bxf3 {[%emt 0:00:06]} Na6 {[%emt 0:01:09]} 10. Re1 {[%emt 0:07:15]} Nd7 {[%emt 0:00:33]} 11. Be2 {[%emt 0:02:42]} Nc7 {[%emt 0:00:13]} 12. a4 {[%emt 0:01:35]} Rb8 {[%emt 0:04:00]} 13. Bf1 {[%emt 0:02:38]} b6 {[%emt 0:00:44]} 14. Nb5 {[%emt 0:03:16]} Ra8 {[%emt 0:02:32]} 15. c3 {[%emt 0:07:17]} a6 {[%emt 0:01:20]} 16. Nxc7 {[%emt 0:00:17]} Qxc7 {[%emt 0:00:11]} 17. Bg5 {[%emt 0:03:35]} Rfc8 {[%emt 0:08:30]} 18. f4 {[%emt 0:06:50]} c4 {[%emt 0:11:04]} 19. Bxe7 {[%emt 0:04:22]} f6 {[%emt 0:04:39]} 20. e5 {[%emt 0:05:40]} fxe5 {[%emt 0:03:17]} 21. Qg4 {[%emt 0:05:44]} Nc5 {[%emt 0:01:00]} 22. Bg5 {[%emt 0:04:15]} b5 {[%emt 0:03:20]} 23. fxe5 {[%emt 0:01:07]} Bxe5 {[%emt 0:00:24]} 24. Rad1 {[%emt 0:04:13]} Re8 {[%emt 0:10:58]} 25. axb5 {[%emt 0:06:00]} axb5 {[%emt 0:00:03]} 26. Bf4 {[%emt 0:03:13]} Bxf4 {[%emt 0:02:55]} 27. Qxf4 {[%emt 0:00:16]} Rxe1 {[%emt 0:09:04]} 28. Rxe1 {[%emt 0:00:47]} Rf8 {[%emt 0:00:26]} 29. Qh4 {[%emt 0:02:25]} Qf7 {[%emt 0:01:08]} 30. Be2 {[%emt 0:06:12]} Qf4 {[%emt 0:06:16]} 31. Qxf4 {[%emt 0:00:12]} Rxf4 {[%emt 0:00:01]} 32. Bf3 {[%emt 0:02:57]} Kf8 {[%emt 0:11:22]} 33. Re2 {[%emt 0:00:59]} h5 {[%emt 0:00:26]} 34. Kf2 {[%emt 0:02:15]} Rf7 {[%emt 0:04:51]} 35. Kg3 {[%emt 0:04:01]} Re7 {[%emt 0:01:06]} 36. Rf2 {[%emt 0:01:23]} Nd3 {[%emt 0:00:33]} 37. Rf1 {[%emt 0:00:08]} Re3 {[%emt 0:00:29]} 38. Rb1 {[%emt 0:00:54]} Ke7 {[%emt 0:02:11]} 39. b3 {[%emt 0:00:53]} Nc5 {[%emt 0:01:48]} 40. bxc4 {[%emt 0:00:30]} bxc4 {[%emt 0:00:02]} 41. Rc1 {[%emt 0:07:55]} g5 {[%emt 0:02:20]} 42. Kf2 {[%emt 0:01:53]} Re5 {[%emt 0:00:59]} 43. Be2 {[%emt 0:07:18]} Re4 {[%emt 0:02:04]} 44. Ra1 {[%emt 0:03:54]} h4 {[%emt 0:00:38]} 45. Ra7+ {[%emt 0:01:08]} Kf6 {[%emt 0:00:42]} 46. Rc7 {[%emt 0:01:36]} Nd3+ {[%emt 0:12:13]} 47. Kf3 {[%emt 0:00:34]} Rf4+ {[%emt 0:00:32]} 48. Ke3 {[%emt 0:00:08]} Ne5 {[%emt 0:02:26]} 49. Rc8 {[%emt 0:02:19]} Kf7 {[%emt 0:09:45]} 50. Rc7+ {[%emt 0:00:52]} Kf6 {[%emt 0:00:18]} 51. Rc8 {[%emt 0:00:15]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.33"]
[White "Schaefer, Michael"]
[Black "Schuster, Karsten"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2160"]
[BlackElo "2304"]
[Annotator "RC"]
[PlyCount "95"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. e3 {[%emt 0:00:00]} b6 {[%emt 0:00:01]} 4. Bd3 {[%emt 0:00:12]} Bb7 {[%emt 0:00:11]} 5. O-O {[%emt 0:00:17]} Be7 {[%emt 0:00:41]} 6. Nbd2 {[%emt 0:03:36]} d5 {[%emt 0:02:35]} 7. b3 {[%emt 0:01:03]} O-O {[%emt 0:00:37]} 8. Bb2 {[%emt 0:00:19]} c5 {[%emt 0:05:48]} 9. Ne5 {[%emt 0:04:39]} Nc6 {[%emt 0:07:58]} 10. a3 {[%emt 0:05:19]} cxd4 {[%emt 0:04:49]} 11. exd4 {[%emt 0:01:39]} Ne8 {[%emt 0:13:40]} 12. Qh5 {[%emt 0:04:33]} f5 {[%emt 0:00:33]} 13. Qe2 {[%emt 0:03:51]} Rf6 {[%emt 0:09:54]} 14. Rfe1 {[%emt 0:10:21]} Nxe5 {[%emt 0:04:43]} 15. dxe5 {[%emt 0:00:56]} Rh6 {[%emt 0:00:43]} 16. Nf3 {[%emt 0:00:59]} g5 {[%emt 0:02:37]} 17. Nd4 {[%emt 0:03:11]} Ng7 {[%emt 0:02:49]} 18. b4 {[%emt 0:03:19]} g4 {[%emt 0:10:16]} 19. f4 {[%emt 0:05:26]} gxf3 {[%emt 0:00:25]} 20. Qxf3 {[%emt 0:01:24]} a5 {[%emt 0:03:49]} 21. c3 {[%emt 0:00:33]} Qc8 {[%emt 0:04:00]} 22. Bb5 {[%emt 0:10:30]} Rh4 {[%emt 0:03:55]} 23. g3 {[%emt 0:04:30]} Rg4 {[%emt 0:00:53]} 24. h3 {[%emt 0:01:34]} Rg6 {[%emt 0:00:55]} 25. Kh2 {[%emt 0:00:11]} Kh8 {[%emt 0:01:19]} 26. Rg1 {[%emt 0:04:21]} Qc7 {[%emt 0:00:19]} 27. Rae1 {[%emt 0:00:40]} Rg8 {[%emt 0:01:03]} 28. Bc1 {[%emt 0:04:10]} Bc8 {[%emt 0:04:16]} 29. Bf4 {[%emt 0:03:09]} Bd7 {[%emt 0:00:35]} 30. Be2 {[%emt 0:01:13]} Ra8 {[%emt 0:03:29]} 31. Rc1 {[%emt 0:00:48]} Qa7 {[%emt 0:01:41]} 32. g4 {[%emt 0:04:21]} fxg4 {[%emt 0:01:27]} 33. Rxg4 {[%emt 0:00:11]} Rxg4 {[%emt 0:02:08]} 34. hxg4 {[%emt 0:00:48]} Rf8 {[%emt 0:00:58]} 35. Qe3 {[%emt 0:02:30]} Rf7 {[%emt 0:02:08]} 36. Bd3 {[%emt 0:00:22]} Qb8 {[%emt 0:01:02]} 37. Kg2 {[%emt 0:02:29]} Qg8 {[%emt 0:02:54]} 38. Rh1 {[%emt 0:04:14]} Nf5 {[%emt 0:01:54]} 39. Bxf5 {[%emt 0:00:37]} exf5 {[%emt 0:00:23]} 40. g5 {[%emt 0:00:15]} Bxg5 {[%emt 0:01:09]} 41. Kf2 {[%emt 0:32:46]} Bxf4 {[%emt 0:02:43]} 42. Qxf4 {[%emt 0:00:00]} Rg7 {[%emt 0:00:16]} 43. e6 {[%emt 0:00:00]} Bxe6 {[%emt 0:02:28]} 44. Qe5 {[%emt 0:00:00]} Bd7 {[%emt 0:01:13]} 45. Rh6 {[%emt 0:00:00]} Qd8 {[%emt 0:03:58]} 46. Kf3 {[%emt 0:00:00]} Qc8 {[%emt 0:04:07]} 47. Ne6 {[%emt 0:00:00]} Bxe6 {[%emt 0:07:16]} 48. Rxe6 {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.34"]
[White "Seifert, Volker"]
[Black "Schatz, Christian"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2300"]
[BlackElo "2152"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,120,29,32,-31,18,18,18,25,23,22,14,28,22,29,68,66,87,83,79,86,159,158,176,172,177,181,177,174,172,183,170,138,122,130,122,122,116,116,120,116,139,147,176,176,171,163,168,158,241,151,597,536,519,416,455,382,421,394,372,302,443,460,439,340,308,255,246,181,12835,12835,12831,11843,12827,12828,12828,5693,3047,12829,12830,7997,12831,8292,12700,2934,12833,12835,12835,11319,12838,12838,12841,12841,12841,12839,12838]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8. Nf3 c6 9. Qc2 Re8 10. O-O Nf8 11. Rab1 Ne4 12. Bxe7 Qxe7 13. b4 a6 14. a4 Bf5 15. b5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} (15. Rfc1 $14) (15. Rfc1 Nd7 16. b5 axb5 17. axb5 Ra3 18. Bxe4 dxe4 19. Nd2 c5 20. Nd5 Qg5 21. dxc5 Ne5 22. Nf4 Nf3+ 23. Nxf3 exf3 {1-0 (54) Riazantsev,A (2700)-Morozevich,A (2739) Moscow 2013}) 15... axb5 16. axb5 Nxc3 17. Qxc3 {The position is equal.} Ra3 18. Rb3 Rxb3 19. Qxb3 Bxd3 20. Qxd3 Ne6 21. Rc1 $146 ({Predecessor:} 21. bxc6 bxc6 22. Ne5 c5 23. dxc5 Nxc5 {½-½ (37) Phanstiel,J (1741)-Drobbin,M (1966) Jamaica 2006}) 21... Rc8 22. bxc6 Rxc6 23. Ra1 Rc8 (23... Qd8 $142) 24. Qb3 $16 Qc7 25. g3 Qc3 26. Qxc3 Rxc3 $18 {[%mdl 4096] Endgame KRN-KRN} 27. Ra8+ Nf8 28. Ne5 {[#] Black must now prevent Nd7.} Rc7 29. Rb8 f6 30. Nd3 Kf7 31. Nc5 {Hoping for Rxf8+!} Nd7 32. Rxb7 Rxb7 33. Nxb7 $16 {KN-KN} Ke7 34. g4 g5 35. f3 Nb6 36. Kf2 Ke6 37. e4 Nc4 (37... Nc8 $16 38. Nc5+ Kd6) 38. Ke2 Nb2 $2 {[#]} (38... Nb6 $16 {is tougher.} 39. Nc5+ Ke7) 39. Nc5+ $18 Kd6 40. Nd3 Na4 41. Kd2 Nb6 42. Nb4 dxe4 43. fxe4 Nc4+ (43... Nd7 {keeps fighting.} 44. Kc3 Nf8) 44. Kd3 Nb2+ 45. Ke2 Ke6 46. Nd5 Nc4 47. Ne3 Nb2 $2 (47... Na5 48. Kd2 Nb3+ 49. Kc3 Nc1) 48. Kd2 {White is clearly winning.} Na4 49. Nc4 Kd7 50. Kc2 Kc6 51. Kb3 Kb5 52. Nd6+ Ka5 53. Ne8 Nb6 54. Nxf6 h6 55. Ng8 Kb5 56. Nxh6 Nc4 57. Kc3 Ne3 58. Kd3 Nf1 59. e5 Kc6 60. Ke4 Nd2+ {Accuracy: White = 83%, Black = 40%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.35"]
[White "Fauth, Dietmar"]
[Black "Wacker, Peter"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2099"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,157,-12,-36,-31,-17,-12,-26,37,-46,23,20,26,14,125,130,129,126,122,125,131,131,131,138,138,131,133,132,179,168,177,159,230,242,279,252,281,270,377,306,320,343,383,373,476,360,400,326,317,266,272,253,272,272,268,219,215,0,263,254,302,302,349,247,341,330,309,302,302,302,293,260,263,256,364,303,640,636,667,655,29976,1642,1645,1645,1637,1627,1628,1624,1598,1600,1578,1575,1542,1202,1371,1031,895,768,29960,29966,29966,29962,29964,29966,29971,29972,29972,29972,29973,29974,29974,29973,29975,29971,29971,29972,29971,29966,29967,29960,29960,29949,29939,29942,29946,29950,29942,29950,29947,29951,29952,29955,29976,29977,29975,29959,29959,29959,29961,29961,29961,29960,29961,29953,5583,4588]} 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. O-O Nge7 8. Bg5 h6 {B21: Sicilian: 2 f4 and Morra Gambit} 9. Be3 Ng6 10. Bb3 (10. Nd4 Be7 11. f4 O-O 12. Qh5 Nxd4 13. Bxd4 Qc7 14. Bd3 Nxf4 15. Qg4 Ng6 16. e5 Nxe5 {0-1 (32) Moiseenko,V (2517)-Alekseev,E (2627) Yaroslavl 2018}) 10... b5 (10... Bb4 $11) 11. Re1 (11. Nd5 $14 Rb8 12. Re1) 11... Be7 ({Black should try} 11... Bb4 $15) 12. Nd5 $1 $11 exd5 13. exd5 Bb7 $146 (13... Na5 $1 $11 14. d6 Nxb3 15. axb3 (15. Qxb3 O-O $11) (15. dxe7 Nxe7 16. axb3 O-O $11) 15... O-O) ({Predecessor:} 13... O-O 14. dxc6 Bb4 15. cxd7 Bxd7 16. Rf1 {0-1 (34) Austrup,D (2001)-Voicu,C (2263) Dortmund 2016}) 14. dxc6 $16 Bxc6 15. Nd4 O-O 16. Qh5 {[%mdl 1024] White has strong compensation.} Kh7 17. Rad1 $36 {[%mdl 2048] Keeping Black busy.} Rc8 18. Nf5 Bg5 19. Nd6 {[%mdl 64] [#] And now Bxg5 would win. Double Attack} Bxe3 20. Rxe3 Qf6 21. Nxc8 Rxc8 22. g3 Rf8 (22... Kg8 $16 23. Rde1 Nf8) 23. Rd2 $18 d6 24. Bd5 Bd7 25. Be4 Be6 26. b3 Kg8 27. Rxd6 {[#] aiming for Bxg6.} Qa1+ 28. Qd1 Qf6 29. Qd4 Qg5 30. Bxg6 Qxg6 31. Rd8 Rxd8 32. Qxd8+ {[%mdl 4096] Endgame KQR-KQB} Kh7 {Now ...Qb1+ and Black clings on.} 33. Qd3 Bf5 34. Qe2 Bh3 35. Qd3 Bf5 $1 {[%cal Rf5d3]} 36. Qd1 Bb1 37. a3 a5 38. f3 Bc2 39. Qd2 a4 40. bxa4 bxa4 41. Kg2 Bf5 42. Rc3 Qb6 43. g4 Be6 (43... Bg6 $142 44. Rc8 h5) 44. h4 g5 $2 (44... h5 45. gxh5 Bf5) 45. h5 Kg7 46. Rd3 Bb3 47. Rd8 (47. Rd6 $142 Qc7 48. Qd4+ Kg8 49. Rd8+ Qxd8 50. Qxd8+ Kh7 51. Qd4 Kg8 52. Kg3) 47... Qf6 48. Qd4 Qxd4 49. Rxd4 {KR-KB} Kf6 50. Rd6+ Kg7 51. Ra6 Bc2 52. Kf2 Bb3 53. Ke3 Bc2 54. Rd6 Bb3 55. f4 gxf4+ 56. Kxf4 Be6 57. Ra6 Bb3 58. g5 hxg5+ 59. Kxg5 Bc2 60. Rc6 Bd1 61. h6+ Kh7 62. Rf6 Bb3 63. Kf4 Kg8 64. Ke5 Kh7 65. Kd6 Kg8 66. Ke7 Kh7 67. Ke8 Bd5 68. Ra6 Bb3 69. Kf8 Kh8 70. Ra5 Kh7 71. Rh5 Bc2 72. Rh4 f5 73. Ke7 f4 74. Rxf4 Kxh6 75. Rg4 Bd1 76. Rg1 Bc2 77. Kf6 {[%cal Rg1h1]} Kh7 78. Ke5 Bg6 79. Rg4 {Accuracy: White = 62%, Black = 35%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.36"]
[White "Szabo, Marton Mihaly"]
[Black "Kolb, Tobias"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2282"]
[BlackElo "2073"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,116,0,0,0,0,0,0,0,0,0,0,0,-33,-47,-33,-47,-35,0,0,64,-20,-27,-30,0,-18,96,95,97,0,0,0,-1,-160,-133,-355,-264,-996,-920,-2182,-2116,-2302,-2134,-2260,-2108,-1823,-1785,-1393,-663,-664,-663,-663,-663,-772,-741,-1064,-1064,-1058,-1066,-1051,-849,-1098,-1087,-1197,-1197,-1165,-1150,-1193,-1165,-1392,-1333,-29969,-29973,-29962,-29960,-29974,-1588,-29972,-29975,-29976,-29977,-29976,-29977,-29977,-29978,-29976,-29971,-29981,-29982,-29980,-29981,-29982,-29982,-29987,-29985,-29990,-29988,-29988,-29989,-29989,-29990,-29990,-29991,-29991,-29992]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 Nf6 7. Bd3 dxe4 8. Nxe4 Qxd4 {B11: Caro-Kann: Two Knights Variation} 9. c3 Qd8 10. O-O Nxe4 {The position is equal.} 11. Bxe4 Bd6 12. Rd1 {Threatens to win with Bf4.} Qc7 13. Bc2 $146 ({Predecessor:} 13. Qd3 Be5 14. Bxh7 Nd7 15. Be4 O-O-O 16. Qf3 {½-½ (44) Mamedov,R (2655)-Eljanov,P (2765) Shamkir 2016}) 13... Nd7 14. Bg5 h6 15. Be3 Ne5 16. Qe2 O-O-O ({Black should play} 16... Nd7 $11) 17. a4 (17. Bxa7 $14 c5 18. b4) 17... Kb8 $11 18. a5 g5 19. b4 f5 (19... Nd7 $11 {keeps the balance.}) 20. Bd4 $16 {Hoping for a6.} Rhe8 21. b5 ({White should try} 21. Re1 $16 {[%cal Rd4e5]} Nd7 22. Bxf5 $1 {[%mdl 512]}) 21... cxb5 $1 $11 22. Qxb5 g4 23. Rdb1 $2 {[#]} (23. hxg4 $11 Nxg4 24. a6) 23... gxh3 $1 $17 {And now ...Rg8! would win.} 24. a6 $2 (24. Bd1 $17) 24... b6 $19 {White must now prevent ...Rg8!} 25. Qe2 $2 (25. Bb3) 25... Qc6 {[%csl Gh3][%cal Rc6g2]} 26. f4 {[#]} Rg8 $1 {[%cal Rg8g2]} 27. Be4 fxe4 28. fxe5 Rxg2+ 29. Qxg2 hxg2 30. exd6 Rxd6 31. Ra2 Rd5 32. Rxg2 Rg5 33. Rxg5 hxg5 {[%mdl 4096] Endgame KQ-KRB} 34. Rf1 Qd6 35. Kg2 e5 36. Be3 Qe6 {Strongly threatening ...Qg4+.} 37. Rf8+ Kc7 38. Kg3 Qh6 39. Rf7+ Kc6 40. Kg2 Qe6 41. Rf2 Qg4+ 42. Kh2 Qh4+ 43. Kg2 g4 44. Kf1 Qh1+ 45. Ke2 g3 {Black mates.} 46. Rf6+ Kb5 47. c4+ Kxa6 48. c5 Qb1 49. Rd6 g2 50. cxb6 axb6 {[%cal Ba7b6,Bb6b5,Bb5b4,Bb4b3][%mdl 32]} 51. Rd1 Qc2+ 52. Ke1 b5 53. Bg1 b4 54. Rd2 Qc1+ 55. Rd1 Qf4 56. Ke2 Qf3+ 57. Kd2 b3 58. Be3 Qf1 {Accuracy: White = 27%, Black = 73%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.37"]
[White "Buchal, Stephan"]
[Black "Seisenberger, Georg"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2274"]
[BlackElo "2072"]
[Annotator "NA RC"]
[PlyCount "71"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:12]} Bg4 {[%emt 0:00:00]} 4. Bg2 {[%emt 0:02:24]} e6 {[%emt 0:00:54]} 5. b3 {[%emt 0:02:26]} Nf6 {[%emt 0:01:56]} 6. Bb2 {[%emt 0:00:22]} Be7 {[%emt 0:00:57]} 7. O-O {[%emt 0:00:15]} O-O {[%emt 0:01:10]} 8. d3 {[%emt 0:00:15]} Nbd7 {[%emt 0:01:49]} 9. Nbd2 {[%emt 0:00:23]} a5 {[%emt 0:01:02]} 10. a3 {[%emt 0:00:13]} Rc8 {[%emt 0:02:50]} 11. Rc1 {[%emt 0:09:05]} Qb6 {[%emt 0:05:48]} 12. Qc2 {[%emt 0:07:21]} Rfd8 {[%emt 0:16:47]} 13. cxd5 {[%emt 0:06:59]} exd5 {[%emt 0:02:00]} 14. e4 {[%emt 0:02:12]} Nf8 {[%emt 0:11:27]} 15. h3 {[%emt 0:12:05]} Bh5 {[%emt 0:07:34]} 16. Nh4 {[%emt 0:03:17]} Bg6 {[%emt 0:03:15]} 17. Kh2 {[%emt 0:04:26]} Ne8 {[%emt 0:11:59]} 18. Nxg6 {[%emt 0:01:54]} hxg6 {[%emt 0:02:22]} 19. f4 {[%emt 0:12:15]} Nc7 {[%emt 0:08:58]} 20. Nf3 {[%emt 0:03:04]} Bf6 {[%emt 0:04:51]} 21. e5 {[%emt 0:07:36]} Be7 {[%emt 0:00:07]} 22. h4 {[%emt 0:01:49]} Nb5 {[%emt 0:01:29]} 23. a4 {[%emt 0:02:16]} Nc7 {[%emt 0:00:14]} 24. Bh3 {[%emt 0:06:33]} Nfe6 {[%emt 0:01:30]} 25. h5 {[%emt 0:01:24]} gxh5 {[%emt 0:04:51]} 26. f5 {[%emt 0:00:29]} Ng5 {[%emt 0:00:40]} 27. f6 {[%emt 0:00:46]} Nxf3+ {[%emt 0:00:08]} 28. Rxf3 {[%emt 0:00:07]} gxf6 {[%emt 0:01:19]} 29. exf6 {[%emt 0:00:40]} Bd6 {[%emt 0:01:02]} 30. Qd2 {[%emt 0:02:28]} Ne6 {[%emt 0:02:05]} 31. Bxe6 {[%emt 0:00:32]} fxe6 {[%emt 0:00:01]} 32. Qg5+ {[%emt 0:00:31]} Kf8 {[%emt 0:00:42]} 33. Qg7+ {[%emt 0:00:30]} Ke8 {[%emt 0:00:02]} 34. f7+ {[%emt 0:00:17]} Kd7 {[%emt 0:00:20]} 35. f8=Q+ {[%emt 0:00:09]} Be7 {[%emt 0:00:02]} 36. Qfxe7# {[%emt 0:00:10]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.38"]
[White "Ciak, Rene"]
[Black "Raupp, Thomas"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2041"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,75,19,29,25,29,8,32,14,6,0,3,17,35,12,61,13,91,93,83,89,141,131,132,95,111,68,83,49,58,-6,0,-11,-20,-59,-34,-60,-42,-90,-105,-297,-108,-589,-613,-696,-493,-991,-982,-2183,-2072,-2764,-1631,-1293,-971,-970,-937,-1858,0,-29994,-693,-29988,-29989,-29989]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Qb3 Qb6 8. Nxg6 hxg6 9. Be2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} (9. Bd2 Nbd7 10. Bd3 Be7 11. h3 Rc8 12. cxd5 cxd5 13. O-O O-O 14. Rfc1 a6 15. Qd1 Qa7 16. Ne2 Ne4 17. Rxc8 Rxc8 {½-½ (27) Koneru,H (2560)-Goryachkina,A (2564) Skolkovo 2019}) 9... Nbd7 10. O-O Be7 11. Rd1 $146 {White is slightly better.} ({Predecessor:} 11. Bf3 Qc7 12. g3 dxc4 13. Qxc4 e5 14. Nd5 Nxd5 15. Bxd5 {0-1 (54) Kolosovskiy,D-Baboyan,E (2147) Kemerovo 2010}) 11... Qc7 12. h3 g5 13. cxd5 exd5 14. Bf3 (14. e4 $5) 14... Rh4 15. Qc2 g4 (15... O-O-O $11) 16. hxg4 {aiming for g3.} Qh2+ ({Don't go for} 16... Nxg4 $2 17. g3 $18) 17. Kf1 Bd6 ({Black should try} 17... Nxg4 18. g3 Qh3+ 19. Bg2 Nh2+ 20. Kg1 Qg4) 18. Bd2 $16 Nxg4 19. Ke2 {[#] And now Rh1! would win.} Ngf6 20. Rg1 {Strongly threatening g3.} Rh8 $1 21. g4 {Hoping for Rh1.} Qh7 $1 {[%cal Rh7c2]} 22. Qa4 (22. Qxh7 $14 Nxh7 23. e4) 22... Nb6 $11 23. Qb3 O-O-O 24. a4 Nc4 25. a5 Kb8 $36 {[%mdl 2048] White is under pressure.} 26. Na4 Ne4 27. Be1 $2 (27. Bxe4 $17 Qxe4 28. Qd3) 27... Qg6 $2 (27... Ng5 $19 {is more deadly.} 28. Bg2 Qh4) 28. Nb6 $2 {[%mdl 8192]} (28. Bxe4 $17 {is tougher.} Qxe4 29. Qd3) 28... axb6 $19 29. axb6 Kc8 30. Ra7 (30. Qc2 $142) 30... Ng5 31. Bc3 Nxf3 32. Kxf3 Rh2 {( -> ...Qf6+)} 33. Ke2 Nxe3 {Played: Qg6-e4} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.39"]
[White "Lorscheid, Gerhard"]
[Black "Mooser, Nicolas"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2257"]
[BlackElo "1999"]
[Annotator "RC"]
[PlyCount "122"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. b3 {[%emt 0:00:19]} Nf6 {[%emt 0:00:36]} 4. Bb2 {[%emt 0:00:14]} c6 {[%emt 0:00:17]} 5. e3 {[%emt 0:00:43]} Nbd7 {[%emt 0:01:00]} 6. Qc2 {[%emt 0:01:54]} Bd6 {[%emt 0:00:28]} 7. d4 {[%emt 0:06:33]} O-O {[%emt 0:00:45]} 8. Bd3 {[%emt 0:04:56]} Qe7 {[%emt 0:14:30]} 9. Nbd2 {[%emt 0:12:17]} e5 {[%emt 0:13:08]} 10. cxd5 {[%emt 0:00:33]} cxd5 {[%emt 0:00:15]} 11. dxe5 {[%emt 0:01:47]} Nxe5 {[%emt 0:00:11]} 12. Nxe5 {[%emt 0:00:15]} Bxe5 {[%emt 0:00:04]} 13. Bxe5 {[%emt 0:00:11]} Qxe5 {[%emt 0:00:05]} 14. Rc1 {[%emt 0:02:01]} Bg4 {[%emt 0:01:32]} 15. O-O {[%emt 0:05:30]} Rac8 {[%emt 0:06:18]} 16. Qb1 {[%emt 0:00:29]} Rcd8 {[%emt 0:11:56]} 17. Rfe1 {[%emt 0:15:57]} Rd7 {[%emt 0:07:33]} 18. h3 {[%emt 0:02:53]} Bh5 {[%emt 0:02:09]} 19. Bf5 {[%emt 0:02:51]} Rdd8 {[%emt 0:03:16]} 20. g4 {[%emt 0:00:40]} Bg6 {[%emt 0:00:50]} 21. Nf3 {[%emt 0:00:06]} Bxf5 {[%emt 0:01:03]} 22. Qxf5 {[%emt 0:00:22]} Qxf5 {[%emt 0:04:27]} 23. gxf5 {[%emt 0:00:02]} Rc8 {[%emt 0:00:26]} 24. Nd4 {[%emt 0:01:38]} Rfe8 {[%emt 0:02:06]} 25. Nb5 {[%emt 0:06:05]} Rcd8 {[%emt 0:03:01]} 26. Rc7 {[%emt 0:02:29]} a6 {[%emt 0:01:50]} 27. Nd4 {[%emt 0:00:12]} Rb8 {[%emt 0:04:41]} 28. Rec1 {[%emt 0:04:29]} Kf8 {[%emt 0:00:35]} 29. Kf1 {[%emt 0:03:56]} Red8 {[%emt 0:01:48]} 30. Nf3 {[%emt 0:02:18]} Ne8 {[%emt 0:01:48]} 31. R7c5 {[%emt 0:01:31]} Rd6 {[%emt 0:01:45]} 32. Rd1 {[%emt 0:05:43]} Rbd8 {[%emt 0:00:43]} 33. Rd4 {[%emt 0:00:42]} Ke7 {[%emt 0:02:06]} 34. Rb4 {[%emt 0:02:07]} b6 {[%emt 0:01:16]} 35. Rc1 {[%emt 0:00:08]} R8d7 {[%emt 0:02:21]} 36. Ne5 {[%emt 0:02:34]} Rc7 {[%emt 0:00:17]} 37. Rxc7+ {[%emt 0:01:34]} Nxc7 {[%emt 0:00:04]} 38. Rh4 {[%emt 0:01:57]} h6 {[%emt 0:00:49]} 39. Rf4 {[%emt 0:01:52]} Nb5 {[%emt 0:03:03]} 40. a4 {[%emt 0:02:51]} Nc3 {[%emt 0:01:10]} 41. Nf3 {[%emt 0:31:04]} Ne4 {[%emt 0:31:02]} 42. Nd4 {[%emt 0:02:03]} Rd7 {[%emt 0:05:06]} 43. f3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:37]} 44. Ke2 {[%emt 0:00:23]} Kd6 {[%emt 0:02:51]} 45. Kd2 {[%emt 0:02:00]} Rc7 {[%emt 0:01:15]} 46. Nc2 {[%emt 0:02:11]} Ke5 {[%emt 0:00:00]} 47. Nb4 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 48. Nd3+ {[%emt 0:00:00]} Kd6 {[%emt 0:00:00]} 49. Rd4 {[%emt 0:00:00]} Re7 {[%emt 0:00:00]} 50. b4 {[%emt 0:00:00]} axb4 {[%emt 0:00:00]} 51. Rxb4 {[%emt 0:00:00]} Kc6 {[%emt 0:00:00]} 52. Rb5 {[%emt 0:00:00]} Ra7 {[%emt 0:00:00]} 53. Rb4 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 54. Rg4 {[%emt 0:00:00]} f6 {[%emt 0:00:00]} 55. Rxg7 {[%emt 0:00:00]} Rxa4 {[%emt 0:00:00]} 56. Kc3 {[%emt 0:00:00]} Nc5 {[%emt 0:00:00]} 57. Nxc5 {[%emt 0:00:00]} Kxc5 {[%emt 0:00:00]} 58. Rc7+ {[%emt 0:00:00]} Kd6 {[%emt 0:00:00]} 59. Rb7 {[%emt 0:00:00]} Ra3+ {[%emt 0:00:00]} 60. Kd4 {[%emt 0:00:00]} Ra4+ {[%emt 0:00:00]} 61. Kd3 {[%emt 0:00:00]} Ra3+ {[%emt 0:00:00] Ke4 Ke5#} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.40"]
[White "Lambertz, Michael"]
[Black "Kindtner, Ulrich"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2031"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,86,38,35,35,35,29,27,27,23,0,14,15,18,10,25,20,30,31,33,8,9,5,13,3,7,12,16,10,22,0,4,0,14,9,24,16,32,-2,6,-11,-11,-12,-16,-17,0,0,0,0,7,-5,-3,-10,-8,-25,-23,-29,-12,-20,-22,-96,-73,-205,-219,-212,-207,-214,-189,-483,-483,-29995,-1052,-29996,-29997,-29997,-29998,-29998,-29999]} 1. e4 c5 2. c3 e5 3. Nf3 Nc6 4. Bc4 Qc7 5. O-O Nf6 6. d3 Be7 7. Bg5 {B22: Sicilian: 2 c3} O-O 8. Nbd2 h6 9. Bh4 $146 {White has an edge.} ({Predecessor:} 9. Bxf6 Bxf6 10. Re1 g6 11. Nf1 Bg7 12. Ne3 d6 13. Nd2 Qd8 14. Qf3 Kh7 {0-1 (32) Lindgren,M (2260)-Shcherbakov,R (2525) Taby 1991}) 9... Na5 10. Bb5 a6 11. Ba4 b5 12. Bc2 Bb7 13. d4 cxd4 14. cxd4 d6 15. Rc1 Rac8 16. Bb1 Qb8 17. Qe2 Rxc1 18. Rxc1 Rc8 19. Qe1 g5 20. dxe5 dxe5 21. Bg3 Bd6 22. Rxc8+ Bxc8 23. Nf1 Nc6 24. Ne3 Ne7 25. Nd2 Be6 26. h4 Nh5 27. Ndf1 Nf4 28. Nf5 Nxf5 29. exf5 Bc4 30. Bxf4 exf4 31. hxg5 hxg5 32. Qe4 f6 33. Nh2 Bf7 34. Ng4 Kg7 $36 {[%mdl 2048] Black has the initiative.} 35. a3 (35. Bc2 $11) 35... Bh5 36. Nxf6 (36. f3 $17) 36... Kxf6 $19 37. Qe6+ Kg7 38. f6+ {[#]} Kh6 $1 39. Qd7 $2 (39. f3) 39... Qc7 40. Qf5 (40. Qe6 $19 g4 41. Bc2) 40... Qc1+ {[%mdl 64] Double Attack} 41. Kh2 f3+ {Black mates.} 42. g3 {[#]} Bxg3+ $1 {[%mdl 512]} 43. fxg3 Qd2+ {Accuracy: White = 41%, Black = 63%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.41"]
[White "Ries, Berthold"]
[Black "Schoenberger, Peter"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "1854"]
[BlackElo "2040"]
[Annotator "NA RC"]
[PlyCount "76"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 4. Ba4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:59]} 5. O-O {[%emt 0:00:09]} b5 {[%emt 0:03:11]} 6. Bb3 {[%emt 0:04:17]} Be7 {[%emt 0:00:29]} 7. Re1 {[%emt 0:00:19]} O-O {[%emt 0:02:21]} 8. a4 {[%emt 0:00:11]} b4 {[%emt 0:02:16]} 9. a5 {[%emt 0:00:25]} d6 {[%emt 0:01:05]} 10. h3 {[%emt 0:05:42]} Rb8 {[%emt 0:00:44]} 11. c4 {[%emt 0:15:10]} Nd7 {[%emt 0:04:25]} 12. Ba4 {[%emt 0:10:20]} Bb7 {[%emt 0:01:59]} 13. d3 {[%emt 0:03:34]} Nc5 {[%emt 0:07:47]} 14. Bxc6 {[%emt 0:00:47]} Bxc6 {[%emt 0:00:10]} 15. Be3 {[%emt 0:00:30]} Ne6 {[%emt 0:04:12]} 16. Nbd2 {[%emt 0:01:31]} Bf6 {[%emt 0:07:40]} 17. Nf1 {[%emt 0:04:09]} Bb7 {[%emt 0:02:00]} 18. Ng3 {[%emt 0:02:28]} g6 {[%emt 0:01:11]} 19. Bh6 {[%emt 0:04:18]} Bg7 {[%emt 0:01:08]} 20. Qd2 {[%emt 0:01:21]} c5 {[%emt 0:07:30]} 21. Nh2 {[%emt 0:02:06]} Qh4 {[%emt 0:06:44]} 22. Ng4 {[%emt 0:05:35]} Bxh6 {[%emt 0:16:49]} 23. Qxh6 {[%emt 0:03:19]} Qxh6 {[%emt 0:00:29]} 24. Nxh6+ {[%emt 0:00:15]} Kg7 {[%emt 0:00:44]} 25. Ng4 {[%emt 0:00:37]} Nd4 {[%emt 0:02:15]} 26. Ne3 {[%emt 0:05:06]} f5 {[%emt 0:02:05]} 27. exf5 {[%emt 0:00:27]} gxf5 {[%emt 0:00:16]} 28. Ne2 {[%emt 0:00:52]} Nb3 {[%emt 0:08:08]} 29. Ra2 {[%emt 0:00:46]} f4 {[%emt 0:00:19]} 30. Nd5 {[%emt 0:03:07]} Bxd5 {[%emt 0:03:20]} 31. cxd5 {[%emt 0:00:12]} Rfc8 {[%emt 0:03:24]} 32. Nc1 {[%emt 0:02:05]} Nd4 {[%emt 0:01:14]} 33. Ne2 {[%emt 0:03:28]} b3 {[%emt 0:01:37]} 34. Ra4 {[%emt 0:00:36]} Nc2 {[%emt 0:00:06]} 35. Rc1 {[%emt 0:01:46]} Nb4 {[%emt 0:00:13]} 36. d4 {[%emt 0:01:14]} Nd3 {[%emt 0:01:01]} 37. Rc3 {[%emt 0:01:26]} Nxb2 {[%emt 0:00:51]} 38. dxe5 {[%emt 0:03:11]} Nxa4 {[%emt 0:00:09]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.42"]
[White "Lohvinov, Petro"]
[Black "Marin, Mihail"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2117"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,78,-7,-4,-33,-20,-10,-39,-37,-37,-50,-61,-46,-58,-51,-136,-108,-186,-43,-45,-37,-82,-90,-83,-82,-105,-104,-133,-143,-144,-85,-131,-112,-117,-100,-99,-91,-99,-54,-55,-55,-59,-42,-56,0,-10,-2,-24,-19,-43,29,-6,-6,-6,-6,-6,-6,-1,-1,-6,-7,-8,-5,-915,-931]} 1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Nd7 5. g3 Ngf6 6. Bg2 Bd6 7. O-O O-O 8. Re1 Re8 9. b3 a5 {B10: Caro-Kann: 2 d3 and 2 c4} 10. a3 d4 (10... b5 11. Bb2 Bb7 12. Qe2 d4 13. Nh4 a4 14. h3 axb3 15. cxb3 g6 16. Rf1 Nh5 17. Nf5 {0-1 (43) Andriasian,Z (2591)-Vidit,S (2718) chess.com INT 2018}) 11. Nh4 Bf8 {Black is slightly better.} 12. Nf1 g6 $146 ({Predecessor:} 12... a4 13. b4 c5 14. bxc5 Ra5 15. Nf5 Rxc5 16. g4 Re6 {0-1 (24) Malmdin,N (2175)-Salem,A (2564) Caleta 2014}) 13. Re2 Nh5 14. Qe1 Nc5 15. f4 {[#]} ({Better is} 15. h3 $15) 15... exf4 $1 $17 16. gxf4 (16. Nf3 $17) 16... f5 (16... Ne6 $19 17. f5 Nef4 18. Bxf4 Nxf4) 17. Bf3 $15 Ng7 18. e5 Be7 19. Ng2 Be6 20. Bb2 Bd5 21. Qf2 Bxf3 22. Qxf3 Nce6 (22... a4 $142 23. b4 Nce6) 23. Ng3 Rf8 24. Rd2 Qd7 25. Ne2 Rad8 26. c3 dxc3 27. Bxc3 Ra8 28. d4 Nc7 29. Ne3 a4 30. d5 cxd5 31. Nxd5 Nxd5 32. Rxd5 Qc7 (32... Qc6 $15) 33. b4 (33. Bd4 $5 {[%cal Ra1c1]} Ne6 34. Rc1 Nxd4 35. Rxd4 $16 (35. Rxc7 $2 {is the wrong capture.} Nxf3+ 36. Kf2 Nxe5 $17)) 33... Rad8 34. Rad1 $36 {[%mdl 2048] White has some pressure.} Ne6 35. Rxd8 Rxd8 36. Rxd8+ Bxd8 37. Qd5 Qc6 38. Qxc6 bxc6 39. Nd4 $2 {[%mdl 8192] [#]} (39. Kg2 $11) 39... Bb6 {Accuracy: White = 45%, Black = 49%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.43"]
[White "Braeuer, Franz"]
[Black "Schmidt, Gerhard"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2429"]
[BlackElo "2118"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,89,9,8,4,18,19,14,18,41,26,47,25,46,33,41,24,39,35,50,31,38,32,28,38,45,39,70,56,63,52,63,66,70,67,86,70,95,81,100,100,223,222,300,231,388,389,366,264,266,236,319,289,500,445,441,248,408,419,404,409,397,398,491,500,699,576,569,552,555,555,549,543,887,916,892,806,2464,2400]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Nd2 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (8. Bc4 O-O 9. O-O Nc6 10. Re1 Be6 11. Nd5 Bxd5 12. exd5 b5 13. Bf1 Nb4 14. c4 bxc4 15. Bxc4 Qc7 16. Rc1 Qb7 17. Bg5 Nbxd5 {1-0 (29) Anand,V (2756)-Giri,A (2779) Amsterdam 2019}) 8... Ng4 9. Nc4 {Strongly threatening Bb6.} Nxe3 10. Nxe3 {The position is equal.} Nc6 11. Bc4 O-O 12. O-O Be6 13. Ncd5 Bg5 14. a3 $146 ({Predecessor:} 14. a4 Ne7 15. Ra3 Rc8 16. Ba2 Kh8 17. Nxe7 Bxe7 18. Bd5 Qd7 19. Qd3 Rc5 {½-½ (77) Ionica,I (2287)-Videnova,I (2211) Kozloduy 2008}) 14... Rc8 15. Qd3 Kh8 16. Ba2 g6 17. Kh1 Bh6 18. c3 Bg7 19. Nb4 Re8 20. Nxc6 Rxc6 21. Bd5 Rc7 22. Rfd1 Bf8 23. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Bc8 24. Bb3 Kg7 25. a5 Rc5 {[#]} 26. Ba4 $1 Re6 {[#]} (26... Bd7 $16 {was called for.}) 27. b4 $1 $18 {[%cal Rb4c5]} Rc6 28. Nd5 Qh4 $2 (28... Rc7 29. Nxc7 Qxc7) 29. Bxc6 bxc6 30. Nb6 Bb7 31. Ra2 f5 32. f3 g5 $2 (32... Qf6 33. Nd7 Qe7) 33. g3 Qh3 34. Qf1 (34. exf5 $142 Rf6 35. Nd7) 34... Qh5 $2 (34... Qxf1+ 35. Rxf1 Rf6) 35. exf5 Re8 36. g4 Qf7 37. c4 c5 38. bxc5 {White is clearly winning.} d5 39. c6 Bxc6 40. cxd5 Bb5 41. Qf2 Bd6 42. Qe3 Kf6 43. Rc2 Qf8 {[#]} 44. Rc6 $1 {And now Nd7+ would win.} Bxc6 45. dxc6 {Accuracy: White = 59%, Black = 24%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.28"]
[Round "3.44"]
[White "Badelka, Olga"]
[Black "Kick, Joachim"]
[Result "1/2-1/2"]
[ECO "D44"]
[WhiteElo "2413"]
[BlackElo "2116"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,80,-90,-92,-149,-155,-163,-163,-195,-150,-130,-126,-112,-118,-105,-61,-72,-70,-65,-16,-17,-11,-14,4,-33,-35,-33,-33,-33,-33,-41,-40,-30,-29,-45,-50,-36,-24,-20,-21,-14,0,0,0,-29,-23,-16,-20,-50,-50,-47,-49,-62,-59,-54,-54,-66,0,-47,0,-63,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5 Qxf6 11. Be2 {[#]} Nd7 $1 {[%cal Rd7e5]} 12. Ng4 {D44: Semi-Slav: Botvinnik System} (12. Nxc6 $142 Bb7 13. Bf3) (12. Nxc6 Bb7 13. Bf3 a6 14. O-O Rc8 15. Ne5 Bxf3 16. Nxf3 Rd8 17. Qe2 Be7 18. b3 Rg8 19. bxc4 bxc4 20. Rab1 {½-½ (52) Csiszar,C (2450)-Szabo,K (2518) Zalakaros 2009}) 12... Qf4 $146 ({Predecessor:} 12... Qg5 13. Bf3 Bb7 14. a4 a6 15. axb5 axb5 16. Rxa8+ Bxa8 17. Qa1 Qd8 18. Qa6 Bg7 19. Bxc6 O-O 20. Qxb5 Bxc6 21. Qxc6 {0-1 (34) Kharitonov,O-Yurenko,K (2306) Krasnodar 1999}) 13. Bf3 Bb7 14. Nxb5 {Black is clearly better.} cxb5 15. Bxb7 Bb4+ 16. Kf1 Rd8 17. g3 Qf5 18. Bc6 Ke7 19. Ne3 Qd3+ 20. Qxd3 $1 cxd3 21. Bxb5 Nb6 22. a3 Bd2 23. Rd1 Bxe3 $1 24. fxe3 Nd5 25. Kf2 Rb8 26. a4 {[#]} a6 $1 {[%mdl 512]} 27. Bxd3 (27. Bxa6 Rxb2+) 27... Rxb2+ 28. Kf3 a5 29. Rb1 Rhb8 30. gxh4 R8b3 {Strongly threatening ...Rxb1.} 31. Rxb2 Rxb2 $11 {[%mdl 4096] Endgame KRB-KRN} 32. Bc4 Nc3 33. Rc1 Nxa4 34. Ra1 Nb6 35. Be2 a4 36. h3 f5 37. Bd1 Rb4 38. Ke2 Rb2+ 39. Kf3 Rb4 40. Ke2 Rb2+ {Accuracy: White = 70%, Black = 51%.} ({Black should play} 40... Kd6 $15) 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.1"]
[White "Asadli, Vugar"]
[Black "Sethuraman, S.P."]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2513"]
[BlackElo "2624"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,103,15,13,29,22,20,0,0,0,0,0,0,0,0,0,0,0,0,-19,-6,-37,0,-23,1,0,0,0,0,0,0,0,0,0,0,0,0,0,45,25,128,61,92,85,354,287,399,387,370,364,493,498,493,495,477,495,454,495,480,480,439,439,593,400,579,559,516,470,476,434,660,615,643,598,663,648,760,772,746,721,2128,1991,1551,1157,29971,29972,29972,29972,29973,29973,29975,29976,29974,12192]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 8. Bg5 (8. g3 Nbd7 9. Bg2 b5 10. O-O Bb7 11. a4 b4 12. Nd5 Nxd5 13. exd5 Be7 14. a5 Rb8 15. Bd2 {1-0 (36) Wei,Y (2721)-Vachier Lagrave,M (2774) chess.com INT 2019}) 8... Be6 9. Bxf6 Qxf6 {The position is equal.} 10. Nd5 Qd8 $1 11. Qd3 Nd7 12. O-O-O g6 13. Nec3 Nc5 14. Qe2 b5 15. g3 $146 ({Predecessor:} 15. a3) 15... Rb8 {Threatens to win with ...b4.} 16. a3 h4 17. Kb1 Bg7 18. Qe3 Bd7 19. f4 a5 {Strongly threatening ...b4.} 20. b4 $1 {[%cal Rb4c5]} axb4 21. axb4 exf4 22. gxf4 Na4 23. Nxa4 bxa4 24. c3 Bc6 25. Rg1 Qc8 (25... O-O $11 {remains equal.}) 26. e5 ({White should try} 26. Ba6 $16 Qd7 27. Bc4) 26... Bxd5 ({Don't go for} 26... dxe5 $2 27. Qc5 $18) 27. Rxd5 Qe6 $2 {[%mdl 8192]} (27... dxe5 $16 28. f5 (28. fxe5 O-O $11) 28... O-O 29. fxg6 fxg6) 28. Bc4 $1 $18 O-O {[#]} 29. Qd3 $1 Rfc8 30. Rb5 Qf5 31. Qxf5 gxf5 32. exd6 {[%mdl 64] Discovered Attack} Kf8 33. d7 Rd8 34. Rxb8 Rxb8 {[%mdl 4096] Endgame KRB-KRB} 35. Kc2 Bf6 36. Re1 a3 37. Re3 Ra8 (37... Be7 $142 38. Re5 f6) 38. Bb5 Kg7 {[#]} 39. Kb1 $1 {[%cal Rb1a2] Ka2 is the strong threat.} a2+ 40. Ka1 Ra3 (40... Ra7 $142 41. Rd3 Bd8) 41. Rd3 Bd8 42. Bc4 Kf6 43. Bxa2 Ke7 44. Kb2 Ra7 45. c4 Rxd7 46. Rxd7+ Kxd7 {KB-KB} 47. c5 Bc7 48. Bxf7 {White mates.} Bxf4 49. Kc3 Kc6 50. Kc4 Bd2 51. b5+ {[%cal Bb4b5,Bb5b6][%mdl 32]} Kb7 52. b6 {Accuracy: White = 85%, Black = 45%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.2"]
[White "Vetoshko, Volodymyr"]
[Black "Peralta, Fernando"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2506"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,46,10,12,5,-3,-3,10,-22,-37,-33,-22,-70,-49,-42,-39,-54,-42,-50,-52,-47,-44,-61,-70,-57,0,-18,0,-69,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 b6 9. b3 Nbd7 10. Rd1 Ba6 11. Bc1 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} (11. Bf4 Rc8 12. Nc3 dxc4 13. e4 Bb4 14. Nd2 Qe7 15. Nxc4 Bxc4 16. bxc4 e5 17. dxe5 Nxe5 18. Ne2 Bc5 19. Nd4 Rfd8 20. Nb3 h6 21. Nxc5 Qxc5 22. Rac1 Rxd1+ 23. Qxd1 Re8 24. h3 Qa3 25. Rc2 Qd3 26. Rd2 Qxc4 {½-½ (26) Van Wely,L (2604)-Bok,B (2638) Maastricht 2019}) 11... Rc8 12. Bb2 Qc7 13. Nc3 {The position is equal.} dxc4 14. e4 Rfe8 $146 ({Predecessor:} 14... Rfd8 15. Nd2 b5 16. bxc4 bxc4 17. Na4 c5 18. d5 exd5 19. exd5 {½-½ (30) Lodici,L (2453)-Kozak,A (2458) Radenci 2019}) 15. Qe2 b5 {...b4 is the strong threat.} 16. bxc4 bxc4 17. Qc2 Qa5 18. Rab1 Rb8 19. Bf1 h6 20. Nd2 Nb6 21. Nf3 Nbd7 22. Nd2 Nb6 (22... e5 $11 23. Ne2 (23. Nxc4 Bxc4 24. Bxc4 exd4 $15) 23... Bb4 24. Nxc4 Bxc4 25. Qxc4 Nxe4 26. Qxc6 Ndf6) 23. Nf3 $1 $15 Nbd7 {Accuracy: White = 80%, Black = 58%.} ({Black should try} 23... Nfd7 $15) 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.3"]
[White "Idani, Pouya"]
[Black "Krzyzanowski, Marcin"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2568"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,63,41,37,63,58,60,15,86,79,84,68,80,0,0,-7,-11,-10,-14,-19,-21,-151,-49,-52,0,0,8,0,108,82,1003,553,936,985,980,958,29968,29969,5840,5186,29987,29988]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. f5 Qc5 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7} (13... h5 14. fxe6 fxe6 15. Bd3 O-O-O 16. Ne2 Qc5 17. Rhf1 Qe5 18. Qe3 Kb7 19. Nd4 Bd7 20. c3 Be7 21. Bc2 {1-0 (41) Anand,V (2764)-Caruana,F (2819) Paris 2019}) 14. fxe6 fxe6 15. Ne2 Rc8 $146 {[#]} (15... Bxe4 $11 16. Nf4 Bh6 17. Nxe6 Bxd2 18. Nxc5 dxc5 19. Rxd2 Rg8) ({Predecessor:} 15... h5 16. Nd4 Bd7 17. g3 a5 18. Qd3 b4 19. Bh3 Ke7 20. Rhf1 Qe5 21. Bxe6 {1-0 (21) Chigaev,M (2474)-Chernov,M (2229) Kemerovo 2013}) 16. Nd4 $1 $16 Kf7 17. Be2 h5 18. Rhf1 (18. Qd3 $16) 18... Bxe4 $11 19. Rde1 Bh6 $36 {[%mdl 2048] White is under pressure.} (19... Bxg2 $2 {[#]} 20. Nxe6 $1 {[%mdl 512]} (20. Bxh5+ Rxh5 21. Qxg2 Re5 $16) 20... Qxc2+ 21. Qxc2 $18) 20. Bxh5+ $1 Qxh5 21. Qf2 {[#]} Bxc2+ $1 22. Ka1 (22. Nxc2 $11 {was the only way to keep the balance.} Qg6 23. h4) 22... f5 (22... Qg6 $17 23. h4 Bg7 24. Nxe6 Rhe8) 23. Nxc2 $15 Bg7 ({Don't blunder} 23... Qxh2 $2 24. Qa7+ (24. Rxe6 $2 Kxe6 25. Qxf5+ Ke7 $19) 24... Kf6 25. Qd7 $18) ({Black should try} 23... Rhe8 $1 $15) 24. Nd4 ({Reject} 24. Qe3 Rhe8 $17) 24... Be5 {Threatens to win with ...Qh4.} 25. Nf3 $1 {Black must now prevent g4.} Bf6 (25... Rhg8 $11 {keeps the balance.}) 26. Qa7+ $16 Be7 $2 {[%mdl 8192]} (26... Kg8 $16) 27. Nd4 {[%cal Bf3d4,Bd4e6,Be6c7,Bc7d5][%mdl 32]} Qh6 28. Nxe6 Rhe8 29. Nc7 {[%mdl 64] Double Attack} Red8 30. Nd5 Re8 31. Rxe7+ Kg6 32. Kb1 {Accuracy: White = 65%, Black = 25%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.4"]
[White "Korneev, Oleg"]
[Black "Bernadskiy, Vitaliy"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2504"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,94,54,40,64,36,37,52,49,52,45,17,35,23,24,0,35,35,51,37,47,41,49,49,53,56,109,107,91,79,60,4,15,4,8,11,12,0,0,-204,-21,-163,-163,-163,-163,-163,-163,-163,-163,-163,-163,-163,-36,-147,-96,-163,-163,-163,-163,-163,-163,-163,-163,-163,-163,-29972,-29974,-29968,-29967,-5724,-5102,-29988,-29986]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Ne7 12. Nxf6+ gxf6 13. g3 f5 {B33: Sicilian: Pelikan and Sveshnikov Variations} 14. Bg2 fxe4 15. Bxe4 d5 {White is slightly better.} 16. Bg2 h5 17. Qe2 {[#]} Qd6 $146 ({Predecessor:} 17... Qc7 18. Nc2 Bg4 19. Bf3 Qc4 20. Bxg4 hxg4 21. Qxe5 {1-0 (48) Magem Badals,J (2529)-Vallejo Pons,F (2528) Leon 2000}) 18. Nc2 h4 19. Rg1 h3 20. Bh1 f5 21. O-O-O Bb7 22. g4 O-O-O 23. gxf5 Nxf5 24. Rg5 Rdf8 (24... Rhf8 $14) 25. Ne3 $16 Nxe3 26. Qxe3 Re8 27. Rg3 (27. Kb1 $14) 27... Kb8 $11 28. Rxh3 b4 29. Rxh8 Rxh8 30. cxb4 d4 31. Qg3 $2 (31. Qg5 $11) 31... Qh6+ $2 ({Black should try} 31... Bxh1 $19 32. Rxh1 Qc6+ 33. Kd2 Qh6+ 34. Kd1 Qh5+ 35. f3 Qf5) 32. Kb1 (32. Kc2 $1 $11 {and White is okay.} Bxh1 33. Rxh1 (33. Qxe5+ Ka8 $15) 33... Qc6+ 34. Kd2 Qh6+ 35. Ke2 Qh5+ 36. f3) 32... Qh7+ $19 ({Worse is} 32... Qxh2 33. Qxh2 Rxh2 34. Bxb7 $11) 33. Ka1 Qxh2 34. Qxh2 Rxh2 35. Bxb7 Kxb7 {[%mdl 4096] Endgame KR-KR} 36. Rf1 Kc6 {[%mdl 1024] Black has strong compensation.} 37. Kb1 {[#]} Kd5 (37... d3 $1 $19 38. a4 Kd5) 38. Kc2 $15 {[#]} e4 $1 39. a4 (39. Kd2 $17 {was worth a try.}) 39... Kc4 $19 {Threatens to win with ...e3.} 40. b5 axb5 41. b3+ Kb4 42. axb5 Kxb5 43. Kd2 Kb4 44. Ke1 $2 (44. Rc1 $19) 44... Kc3 45. Ke2 Kc2 46. b4 Rh3 47. f3 Rh2+ {Accuracy: White = 45%, Black = 68%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.5"]
[White "Mons, Leon"]
[Black "Weber, Ulrich"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2552"]
[BlackElo "2360"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,69,26,27,27,36,34,44,47,86,83,83,88,83,52,70,47,57,47,53,58,78,83,106,25,36,25,34,23,22,35,49,23,0,0,0,0,0,0,108,23,203,216,442,413,335,389,695,664,1895,1061,997,978,895,860,1546,1582,29995,29996]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 e5 7. d5 Na6 8. g4 {E71: King's Indian: 4 e4 d6 5 h3} Nc5 9. f3 a5 (9... c6 10. Qd2 cxd5 11. cxd5 Bd7 12. Nge2 h5 13. Nc1 Rc8 14. Nb3 Nxb3 15. axb3 {0-1 (64) Grandelius,N (2691)-McShane,L (2688) Eskilstuna 2019}) 10. Qd2 {White is slightly better.} Ne8 11. h4 f5 12. gxf5 gxf5 13. O-O-O $146 ({Predecessor:} 13. exf5 Bxf5 14. O-O-O a4 15. Nh3 a3 {0-1 (46) Yaylali,A (1982)-Mammadov,S (2243) Istanbul 2019}) 13... fxe4 14. Bxc5 dxc5 15. Nxe4 Nd6 16. Bd3 Nxe4 17. Bxe4 Ra6 {Strongly threatening ...Bh6.} 18. Qg2 ({White should try} 18. Kb1 $16) 18... Bf5 $11 19. h5 Kh8 20. Ne2 Bh6+ 21. Kb1 Be3 22. Nc3 (22. Rd3 $5 Bxe4 23. fxe4 $16) 22... Bd4 23. Bxf5 $40 {[%mdl 128] White is up to no good.} Rxf5 24. Nb5 Rg5 25. Qd2 {Threatens to win with Nxc7!} Qg8 (25... Rf5 $11 {remains equal.}) 26. Rh2 (26. Nxd4 $16 exd4 27. Qf4) 26... Rb6 $2 (26... Rxh5 $1 $11 27. Nxc7 (27. Rxh5 Qg6+ {[%mdl 64] Double Attack} 28. Ka1 Qxh5 $11) (27. Nxd4 cxd4 28. Rxh5 Qg6+ {[%mdl 64] Double Attack} 29. Kc1 Qxh5 $11) 27... Rxh2 28. Qxh2 Rf6) 27. Nxd4 $18 cxd4 $2 (27... exd4 {was worth a try.} 28. Qf4 h6) 28. f4 exf4 29. Qxf4 c5 $2 (29... d3 30. Qxc7 Rf6 31. Qxa5 Rg1 {[%mdl 64] Back Rank}) 30. d6 {And now Qf6+ would win.} Rg1 31. Qe5+ Qg7 {[#]} 32. Qe8+ $1 Qg8 {[#]} 33. d7 $1 {Rxg1 would kill now.} Rxd1+ 34. Kc2 {Intending Qe5+ and mate.} Rd6 35. Rg2 {[%mdl 64] Pin. Accuracy: White = 49%, Black = 32%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.6"]
[White "Eljanov, Pavel"]
[Black "Kueppers, Timo"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2663"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,95,0,6,9,12,0,12,0,37,22,31,31,31,22,25,24,31,20,56,23,33,0,2,0,0,0,41,35,40,45,84,75,107,110,183,172,225,168,241,186,306,304,297,297,298,297,291,250,327,338,335,321,322,304,402,339,474,459,456,458,661,484,714,699,653,643,714,589,580,580,720,665,756,747,1526,1539,5373,5308,3259,3043]} 1. c4 c5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e4 Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. O-O O-O 10. Qe2 {B44: Sicilian: Taimanov: 5 Nb5} (10. h3 h6 11. Na4 d5 12. a3 Bd6 13. cxd5 cxd5 14. exd5 e4 15. Bc2 Qe7 16. Re1 Bf5 17. Nc3 Rab8 {½-½ (39) Artemiev,V (2746)-Le,Q (2708) Khanty-Mansiysk 2019}) 10... h6 11. Rd1 $146 ({Predecessor:} 11. Be3 Bxc3 12. bxc3 d6 13. Rab1 c5 14. Bc2 Qe7 15. Qd3 Bb7 16. f3 Bc6 17. Rfd1 Rfd8 {0-1 (53) Taivanbat,C (1691)-Tugstumur,Y (2361) Ulaanbaatar 2018}) 11... d6 12. Na4 {The position is equal.} Be6 13. a3 Ba5 14. b4 Bc7 15. h3 Qe7 16. Be3 Rfd8 17. Rac1 Nd7 18. Bc2 Nf8 19. Nc3 Bb6 20. Ba4 Rac8 21. Bb3 Bd7 22. c5 $36 {[%mdl 2048] White has some pressure.} dxc5 23. Na4 {[%cal Ra4c5]} Ne6 24. Nxc5 Bxc5 25. Bxc5 ({Much weaker is} 25. bxc5 $6 Nd4 $11) 25... Qg5 (25... Nxc5 $16 26. Rxc5 Be6 27. Bxe6 (27. Rxe5 Rxd1+ 28. Bxd1 c5 $14) 27... Rxd1+ 28. Qxd1 Qxe6) 26. Qf3 $18 Qg6 (26... Ra8 {was worth a try.} 27. Kh2 Bc8) 27. Be3 Ng5 (27... Ra8 {might work better.} 28. h4 h5) 28. Qg3 Kh7 (28... Qf6 {keeps fighting.}) 29. Bxg5 ({Resist} 29. Bxa7 $6 Be6 $18) 29... hxg5 30. Qxe5 {[#] Hoping for Qe7.} Re8 31. Qg3 Be6 32. Rd6 Kh8 33. f3 Qf6 {next ...Qb2 is good for Black.} 34. Bxe6 Rxe6 35. Rxe6 fxe6 {[%mdl 4096] Endgame KQR-KQR} 36. Kh2 a5 37. Rc5 {White is clearly winning.} axb4 38. axb4 Rd8 (38... Qd4 $142 39. Rxg5 Kg8) 39. Qxg5 Qxg5 (39... Rb8 $142 40. Qxf6 gxf6 41. Rxc6 Rxb4 42. Rxe6 Kg7) 40. Rxg5 {KR-KR} Rb8 41. Rc5 Rb6 42. h4 Kg8 43. Kg3 Kf7 44. Kf4 Ke7 45. g4 Kd7 46. Rg5 Rxb4 47. Rxg7+ Kd6 48. h5 {Accuracy: White = 71%, Black = 33%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.7"]
[White "Meins, Gerlef"]
[Black "Kamsky, Gata"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2415"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,91,59,45,52,64,54,50,58,66,62,54,61,60,98,91,100,85,89,84,78,71,77,58,48,44,56,29,29,29,29,29,29,34,30,31,33,40,30,6,9,12,12,12,12,12,42,37,37,36,52,50,57,57,47,43,54,56,63,59,58,18,28,18,19,29,33,3,6,6,6,0,8,0,8,0,8,0]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. e4 a6 6. Be2 O-O 7. O-O c6 8. h3 b5 9. e5 Ne8 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} 10. Bf4 Nd7 (10... Bf5 11. Re1 Ra7 12. Bf1 bxc4 13. Bxc4 d5 14. Bf1 Nc7 15. Rc1 h6 16. g4 Bd7 17. Bd3 {1-0 (42) Peralta,F (2556)-Manolache,M (2495) Sitges 2017}) 11. exd6 exd6 {White is slightly better.} 12. d5 cxd5 $146 ({Predecessor:} 12... b4 13. dxc6 bxc3 14. cxd7 Qxd7 15. bxc3 Bxc3 16. Rc1 Bb4 17. Bh6 {1-0 (81) Sengul,C (2225)-Ataman,A (2188) Konya 2011}) 13. cxb5 axb5 14. Bxb5 Nc5 15. Nxd5 Ne6 16. Be3 Bb7 17. a4 Bxd5 18. Qxd5 N8c7 19. Qd3 Rb8 20. Rfd1 d5 $1 21. Rac1 Nxb5 22. axb5 Qa5 23. b6 d4 24. Nxd4 Nxd4 25. Bxd4 Bxd4 26. Qxd4 {[#] Rc6 is the strong threat.} Qxb6 27. Qxb6 (27. Rc2 {feels hotter.} Qxd4 28. Rxd4 Rb3 29. Rd7 g5 30. Kf1) 27... Rxb6 $11 {[%mdl 4096] Endgame KRR-KRR} 28. Rc2 Rfb8 29. Rdd2 Kg7 30. Kf1 g5 31. Ke2 Kg6 32. Kd1 h5 33. Kc1 f6 34. Rc3 h4 35. Kb1 Ra6 36. Rcd3 Rba8 37. Kc2 Ra1 38. Rd1 Rc8+ 39. Kd2 Ra4 40. Rc1 Rb8 41. b3 Ra3 {The position is equal.} 42. Rcc3 Rb6 43. Rf3 Rd6+ 44. Rfd3 Rb6 $1 45. Rf3 Rd6+ 46. Rfd3 {Accuracy: White = 68%, Black = 63%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.8"]
[White "Demchenko, Anton"]
[Black "Miller, Eduard"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2655"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,53,14,26,42,39,50,35,47,42,48,43,50,50,47,45,128,127,136,127,131,136,137,139,150,146,152,145,193,177,185,202,299,293,295,295,582,582,582,579,555,537,29977,29977]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Be6 {B31: Sicilian: 2...Nc6 3 Bb5 g6} (7... Qc7 8. Be3 b6 9. a3 a5 10. Nbd2 Nf6 11. b4 Ng4 12. bxc5 Nxe3 13. fxe3 bxc5 14. Nc4 Be6 15. Nfd2 O-O {½-½ (30) Nakamura,H (2743)-Carlsen,M (2882) Saint Louis 2019}) 8. Be3 b6 9. Nbd2 $146 ({Predecessor:} 9. Nc3 Ne7 10. Qd2 O-O 11. Bh6 Qc7 12. Bxg7 Kxg7 13. Rad1 Rad8 14. Qg5 f6 15. Qg3 {0-1 (59) Gordon,F-Tushishvili,T (1330) Bratislava 2019}) 9... f6 {White is slightly better.} 10. a3 Nh6 11. h3 Nf7 12. b4 cxb4 13. axb4 f5 ({Black should try} 13... O-O $14) 14. exf5 $1 $16 gxf5 {[#]} 15. Bd4 $1 {[%mdl 576] Pin} O-O (15... exd4 16. Rxe6+) 16. Bxe5 Nxe5 17. Nxe5 Qd6 18. Ndf3 Bd5 19. c3 c5 {[#]} 20. bxc5 $1 bxc5 21. Ra5 Kh8 {[#]} (21... Rfd8 {was worth a try.} 22. d4 cxd4) 22. d4 $1 $18 Bxf3 23. Qxf3 ({Stronger than} 23. gxf3 Qh6 $11) ({Don't take} 23. Nxf3 cxd4 24. cxd4 (24. Nxd4 Rf7 $18) 24... Qb4 $18) 23... cxd4 $2 {[#]} (23... Bxe5 {was called for.} 24. dxe5 Qb6) 24. Qxa8 $1 {[%mdl 512]} Bxe5 (24... Rxa8 25. Nf7+) 25. Qb7 Qc7 26. Rxa7 Rf7 27. Qa8+ {Accuracy: White = 100%, Black = 41%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.9"]
[White "Gareyev, Timur"]
[Black "Baum, Jonasz"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2591"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,73,20,15,18,42,35,51,38,40,37,35,45,88,64,81,70,175,181,228,140,140,130,127,150,249,249,248,256,241,244,233,233,333,364,526,509,495,501,809,765,779,377,529,351,818,802,1177,1096,1210,1179,1411,1382,4718,4710,29987,29988,29989,29990]} 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. O-O O-O 7. Re1 d5 8. cxd5 exd5 9. Nc3 Ne4 10. Bf4 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} (10. Qc2 Nc6 11. a3 Bf6 12. Rd1 Re8 13. Be3 Ne7 14. Nxe4 dxe4 15. Nd2 Nf5 16. Bxe4 Rxe4 17. Nxe4 Qd5 {1-0 (36) Navara,D (2734)-Eljanov,P (2717) Berlin 2015}) 10... Nxc3 11. bxc3 Nd7 12. a4 {White is slightly better.} a5 13. Qb3 Nf6 14. Ne5 Ne4 15. f3 Nd6 $146 ({Predecessor:} 15... Nf6 16. e4 h6 17. Rad1 Nh5 18. Bc1 c6 {1-0 (32) Adhiban,B (2543)-Salah,R (2115) Dubai 2011}) 16. e4 c6 (16... dxe4 $14 17. fxe4 Rb8) 17. Rab1 $18 dxe4 18. fxe4 b5 19. d5 cxd5 20. exd5 bxa4 (20... Bg5 $16) 21. Qxa4 Bg5 22. c4 Bxf4 23. gxf4 {And now c5 would win.} Rc8 {[#]} 24. Qa3 $1 {aiming for c5.} Qc7 (24... Nxc4 $142 25. Nxc4 Rxc4) 25. Rec1 Nf5 (25... Ba8 {keeps fighting.} 26. c5 Qa7) 26. c5 Ba8 27. Bh3 g6 (27... Qd8 $142 28. Qd3 Qxd5 29. Qxd5 Bxd5 30. Bxf5 Rc7) 28. Bxf5 gxf5 29. c6 (29. d6 $142 Qd8 30. c6) 29... f6 (29... Rfd8 $142 30. Nd7 Rxd7 31. cxd7 Qxd7 32. Rxc8+ Qxc8 33. Qxa5 h6) 30. Nd7 Qxf4 $2 {[#]} (30... Rf7) 31. Qg3+ Qxg3+ 32. hxg3 Rfd8 33. Nb6 Rc7 34. Nxa8 Rxa8 35. d6 Rg7 36. c7 Rxg3+ 37. Kf2 {Accuracy: White = 84%, Black = 25%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.10"]
[White "Manu David Suthandram R"]
[Black "Azarov, Sergei"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2403"]
[BlackElo "2586"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,57,13,14,12,11,12,9,8,12,8,0,0,-7,-4,-23,-23,-17,-17,-20,-21,-35,-27,-63,-62,-87,-79,-143,-145,-395,-385,-494,-460,-460,-260,-271,-201,-337,-265,-265,-249,-256,-249,-29984,-29985,-29985,-29986,-29993,-29994,-29999]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. h3 a5 {C50: Hungarian Defence and Giuoco Pianissimo} 7. c3 O-O 8. Re1 h6 {The position is equal.} 9. a4 (9. Nbd2 Be6 10. Bb5 Qb8 11. Nf1 Qa7 12. d4 exd4 13. Bxc6 dxc3 14. Ba4 Bxf2+ 15. Kh2 Bxe1 16. Qxe1 {½-½ (60) Alekseenko,K (2671)-Ding,L (2811) Khanty-Mansiysk 2019}) 9... Be6 10. Qb3 Bxc4 11. Qxc4 Re8 12. Be3 $146 ({Predecessor:} 12. Nbd2 Qd7 13. Nf1 Bb6 14. Ng3 d5 {½-½ (74) Yegiazaryan,A (2365)-Pashikian,A (2608) Yerevan 2018}) 12... Bxe3 13. Rxe3 d5 $36 {[%mdl 2048] Black has good play.} 14. Qb3 d4 15. Re1 Nh5 16. Na3 ({Much weaker is} 16. Qxb7 Re6 $17) 16... Nf4 17. Red1 Qf6 18. Ne1 (18. Kh2 $142) 18... Re6 $17 {...Qg5 is the strong threat.} 19. Nb5 $2 (19. Kh2 $17 {is a better defense.}) 19... Qg5 $19 20. Kh2 {Now g3 and White clings on.} Nxh3 21. Qc2 Rf6 (21... Rg6 $142 22. Qd2 Nf4) 22. Rd2 Rg6 {And now ...Nf4 would win.} 23. Nxc7 (23. Qd1 {was the only chance.} Nf4 24. g3) 23... Rc8 ({Don't play} 23... dxc3 24. bxc3 Nf4 25. g3 $19) 24. Nd5 {[#]} Nb4 $1 {[%mdl 512]} 25. Nxb4 (25. cxb4 Rxc2) 25... axb4 26. c4 $2 (26. Qd1 $19 dxc3 27. bxc3) 26... Rcc6 {Black mates.} 27. Qd1 Rcf6 28. Kxh3 {[#]} Rxf2 $1 {[%mdl 576] Remove Defender} 29. Rxf2 Qg3# {Accuracy: White = 35%, Black = 80%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.11"]
[White "Santos Latasa, Jaime"]
[Black "Lavrinenkov, Vadim"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2580"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,190,32,27,27,43,17,0,12,7,0,0,-7,0,-8,22,0,0,0,41,17,11,0,0,0,31,17,35,9,0,0,0,0,0,-42,-49,-52,7,-83,-100,-110,-75,-72,-70,-62,-67,-77,-70,-79,-52,-67,-72,-63,-55,-52,-56,-137,-136,-114,0,-18,-20,-52,-47,-70,16,25,30,24,34,54,879,861,889,883,852,852,6291,463,431,437,536,391,396,220,197,122,122,66,66,66,66,66,68,34,26,38,30,40,62,73,109,69,66,39,40,0,48,0,102,49,118,124,143,114,120,53,132,0,81,0,121,0,0,0,0,0,0,0,0,0,22,0,0,2,72,72,72,72,72,69,72,72,72,72,220,253,237,242,221,204,366,366,297,307,338,218,219,206,206,149,164,141,183,141,148,148,191,0,0,0,191,27,29976,29967,29965,29967,29966,29969,29969,29969,29966,29969,29999]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 d5 (5... Bc5 6. Nb3 Be7 7. Qg4 g6 8. Qe2 d6 9. O-O Nd7 10. a4 Ne5 11. a5 Nf6 12. Nc3 Bd7 13. Be3 O-O 14. f4 Nxd3 15. cxd3 e5 16. Bb6 {1-0 (46) Chigaev,M (2640)-Fedorchuk,S (2633) Riga 2019}) 6. exd5 {B42: Sicilian: Kan Variation: 5 Bd3} Qxd5 7. Nc3 Qxg2 8. Be4 {The position is equal.} Qh3 9. Qe2 Nf6 $1 10. Bf3 Bc5 $146 ({Predecessor:} 10... Nbd7 11. Bg5 h6 12. Bd2 Qh4 13. Nf5 Qh3 14. Nd4 Qh4 15. Nf5 {½-½ (15) Por,A (2028)-Berczes,D (2115) Budapest 2001}) 11. Nb3 $132 {[%mdl 2048] White is fighting back} Bd6 12. Bg5 Nbd7 13. O-O-O Qf5 14. Be3 (14. h4 $5 {[%cal Rd1d6]} h6 15. Be3 $11) 14... Bf4 15. Rhg1 O-O 16. Kb1 Bxe3 17. Qxe3 Kh8 18. h4 {[%mdl 1024] White has compensation.} Qe5 19. Qd2 Rg8 20. Rg5 Qc7 21. Rdg1 Rb8 22. Nd4 Nb6 ({Black should play} 22... Qd8 $15) 23. h5 (23. Rxg7 $11 Rxg7 24. Rxg7 Kxg7 25. Qg5+ Kf8 26. Qxf6) 23... e5 $17 24. Nb3 Be6 25. Rxg7 Rxg7 26. Rxg7 Kxg7 27. Qg5+ Kf8 $1 {[%cal Rf8e7]} 28. Qxf6 Nd7 (28... Rc8 $5 {[%cal Rb6a4]} 29. Be4 Nd7 $15) 29. Qh6+ $1 Ke7 30. Qg5+ Ke8 31. Qg8+ Nf8 32. Ne4 (32. Qg7 $1 $15) 32... Qe7 $1 33. Qh8 Bf5 (33... f5 $1 $17 {[%cal Rf5e4]} 34. Nf6+ (34. Qxe5 Rd8 $17) 34... Kf7) 34. Nf6+ $11 Kd8 35. Na5 {[#] Threatens to win with Nd5.} Qc5 $1 {[%cal Rc5c2]} 36. Ka1 Bxc2 (36... e4 $1 $15 37. Bxe4 Qd6) 37. Nd5 $1 ({Not} 37. Nxb7+ $2 Rxb7 $1 {[%mdl 512]} 38. Nd5 Bd3 $19) 37... Qd6 {[#]} 38. Nc4 $1 {[%mdl 512]} Qh6 {[%cal Rh6c1]} 39. Nce3 f6 $2 {[%mdl 8192] [#]} (39... Rc8 $14) 40. Qg8 $1 $18 {[%cal Rg8f7][%mdl 512] Threatening mate with Qf7.} Ke8 41. Nc7+ $1 Ke7 42. Qc4 Kd8 43. Qxc2 (43. Qf7 $142 {Qe8+ would kill now.} Be4 44. Bxe4) 43... Qg7 44. Ncd5 Ne6 45. Qd1 Nd4 46. a3 (46. Nb6 $142) 46... Rc8 {With the idea ...Rc1+.} 47. Nc3 (47. Kb1 $18) 47... Kc7 $16 48. Nc2 (48. Be4 $16) 48... Nxf3 $14 49. Qxf3 Kb8 50. Ne3 Rc6 51. Ncd5 {Strongly threatening Ng4.} Qf7 52. Kb1 Rd6 53. Nc3 Rc6 54. Qf5 Qg8 55. h6 Qg1+ 56. Ka2 (56. Ncd1 $5 {[%cal Rf5h7]} Rd6 57. Kc2 $16) 56... Qg8+ 57. Kb1 Qg1+ $1 58. Kc2 (58. Ncd1 $5 {[%cal Rf5h7]} Rd6 59. Kc2 $16) 58... Qg8 (58... Qh2 $11) 59. Qe4 (59. Kd2 $16) 59... Ka8 (59... Qg1 $14) 60. Ned5 $16 {And now Ne7 would win.} Qf7 61. Kb1 Rd6 62. Ne3 (62. a4 $16) 62... Qg8 ({Black should try} 62... Rd4 $14 63. Qg2 Qb3) 63. Kc2 (63. Ncd5 $16) 63... Rc6 (63... Rd4 $11 {remains equal.} 64. Qf3 Qg5) 64. Ned5 {Black must now prevent Ne7.} Qf7 $1 65. Qg2 ({Better is} 65. a4 $16) 65... f5 $11 66. Qh1 Qe6 67. Nb4 Rd6 68. Qh5 Qg6 69. Qe2 e4 70. Qc4 Qe6 71. Nbd5 Qxh6 (71... Qe5 $1 $11 {keeps the balance.}) 72. Qc8+ $16 {[%mdl 64] Double Attack} Ka7 73. Qxf5 Qg6 74. Qf4 {Hoping for Ne7.} e3+ 75. Kb3 exf2 76. Qxf2+ Kb8 (76... b6 $16) 77. Qf8+ $18 Ka7 78. Ne7 $1 {[%cal Re7c8]} Qe6+ 79. Kc2 {Nc8+ is the strong threat.} Rd4 $2 (79... Rc6) 80. Nc8+ {Played: Qf8-f2} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.12"]
[White "Nasshan, Dennis"]
[Black "Shevchenko, Kirill"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2306"]
[BlackElo "2542"]
[Annotator "TA RC"]
[PlyCount "82"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,39,39,31,34,15,25,17,24,0,0,0,0,0,0,0,0,0,-12,-40,-14,-38,-18,-35,-19,-77,-75,-80,-70,-83,-57,-80,-43,-54,-57,-43,-29,-38,0,-92,8,1,1,1,2,-64,0,-115,-106,-124,-135,-147,-66,-72,-69,-70,-83,-77,-75,-232,0,0,0,-210,-217,-632,-633,-620,-597,-896,-886,-5481,-5477,-2501,-1812,-29977]} 1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 d6 5. e4 e6 6. Nc3 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} Bg7 7. Bd3 (7. Nge2 exd5 8. cxd5 a6 9. a4 O-O 10. Ng3 Nbd7 11. Be2 Ne8 12. O-O Rb8 13. Re1 Nc7 14. Bf4 Qe7 15. Qd2 Re8 16. a5 b5 17. axb6 Rxb6 18. Ra5 Rb4 19. Nf1 {1-0 (51) Ding,L (2805)-Nepomniachtchi,I (2773) Abidjan 2019}) 7... a6 8. a4 {White has an edge.} Nbd7 {[%cal Bb8d7,Bd7e5,Be5d3][%mdl 32]} 9. Nh3 $146 ({Predecessor:} 9. Be3 Ne5 10. Nge2 O-O 11. O-O Re8 12. Qd2 exd5 13. cxd5 Qd7 14. Ng3 Rb8 {0-1 (40) Lindemann,S (1450)-Mirus,L (1420) Halver 2003}) 9... exd5 10. cxd5 Ne5 11. Nf2 Nxd3+ 12. Qxd3 Nd7 13. O-O O-O 14. Be3 f5 15. exf5 Ne5 16. Qe2 Bxf5 17. f4 (17. Bd2 $11) 17... Nf7 $1 $17 18. g4 Bd7 19. h3 Qe7 20. Nce4 b5 21. Qc2 bxa4 22. Bd2 $1 Rab8 23. Bc3 Nd8 24. g5 (24. Qd2 $11) 24... Bxc3 (24... Rxf4 $17 25. Rfe1 Qf7 26. Bxg7 Qxg7 27. Nf6+ Rxf6 28. gxf6 Qxf6) 25. Qxc3 Rb3 $132 {[%mdl 2048] Black puts up resistance} 26. Nf6+ Kh8 $1 27. Rae1 (27. Rfe1 $11 Qg7 28. Qd2) 27... Qg7 ({Black should try} 27... Qf7 $15 28. Qc1 Bb5) 28. Qa5 (28. Nxd7 $11 Rxc3 29. Nxf8 Rg3+ {[%mdl 64] Discovered Attack} 30. Kh2) 28... Bb5 (28... Rxb2 $6 29. Qc7 $11) 29. N2e4 Bxf1 ({But not} 29... Rxb2 30. Rf3 $11) (29... Rxh3 $6 30. Rf2 $11) 30. Rxf1 Qb7 (30... Qa7 $1 $17 31. Qxa4 Nf7) 31. Nxd6 $15 Qb6 $1 {[%cal Rb6a5]} 32. Qxb6 Rxb6 33. Nc4 Rb4 34. Nd6 $2 (34. Rc1 $17) 34... Rb6 $2 ({Worse is} 34... Rxb2 35. Re1 $11) ({Better is} 34... Nb7 $1 $19 {[%cal Rb7d6]} 35. Nxb7 Rxb7) 35. Nc4 $1 $11 {[%cal Rc4b6]} Rb4 $2 (35... Rb7 $11) 36. Nd6 $1 $19 {[#]} Nb7 $1 {[%cal Rb7d6]} ({Weaker is} 36... Rxb2 37. Re1 $11) 37. Nde8 $2 (37. Nxb7 Rxb7 38. Re1) 37... Rxb2 {Black is clearly winning.} 38. Re1 {[#] Intending Re7 and mate.} Rf7 $1 {Strongly threatening ...a3.} 39. d6 {d7 is the strong threat.} a3 {[%cal Ba4a3,Ba3a2][%mdl 32] Hoping for ...a2.} 40. d7 a2 41. Nd6 Re7 {Played: Rb2-b1} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.13"]
[White "Seifert, Volker"]
[Black "Chanda, Sandipan"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "2300"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,54,28,28,29,31,22,14,10,6,9,4,20,8,13,-12,-13,-9,-12,-32,-31,-31,-31,-38,-34,-32,-30,-39,-42,-118,-104,-223,-187,-336,-345,-316,-292,-338,-337,-463,-458,-1089,-1056]} 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 g6 5. O-O Bg7 6. b4 O-O 7. c4 Ne4 8. Bb2 b6 {A81: Dutch Defence: 2 g3} (8... Nc6 9. Qb3 a5 10. b5 a4 11. Qa3 Ne7 12. Nc3 d5 13. Rac1 Bd7 14. Rfd1 dxc4 15. Nxe4 fxe4 16. Ne5 Bxb5 17. Bxe4 {0-1 (32) Meier,G (2647)-Hjartarson,J (2536) chess.com INT 2018}) 9. Nbd2 Bb7 10. e3 $146 ({Predecessor:} 10. Qc2 Qc8 11. Rad1 Nc6 12. a3 Ne7 13. Nb3 a5 14. Ne5 {0-1 (46) Li,R (2391)-Xie,J (2432) Suzhou 2006}) 10... Qe7 {The position is equal.} 11. b5 d6 12. a4 a5 13. Ne1 Nd7 14. f3 Nxd2 15. Qxd2 e5 16. f4 Bxg2 17. Nxg2 exd4 18. exd4 Rfe8 19. Rfe1 Qf7 20. Ne3 Nf6 21. Qg2 {[#]} (21. Qc2 $15) 21... Re4 $1 $17 22. d5 (22. Re2 $17) 22... Rae8 $19 23. Nc2 (23. Qd2 $142) 23... Ng4 ({Much less strong is} 23... Rxc4 24. Rxe8+ Qxe8 25. Bxf6 $19) 24. Bxg7 Qxg7 25. Qd2 Qb2 {Hoping for ...Qxc2!} 26. Rxe4 Rxe4 (26... fxe4 27. h3 $15) 27. Re1 {[#]} (27. Rd1 $142 Rxc4 28. Nd4 Qxd2 29. Rxd2) 27... Qxc2 $1 {[%mdl 576] Remove Defender. Accuracy: White = 23%, Black = 100%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.14"]
[White "Raupp, Thomas"]
[Black "Prusikin, Michael"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2259"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,82,7,0,4,0,0,1,21,0,-14,-34,-4,-58,-57,-56,-53,-57,-51,-59,-45,-87,-73,-81,-58,-75,-50,-52,-29,-60,-45,-62,-61,-68,-63,-83,-77,-76,-62,-66,-71,-87,-77,-87,-73,-87,-83,-100,-93,-100,-96,-122,-17,-83,-85,-92,-71,-58,-16,-39,-42,-40,-41,-506,-510,-509,-509,-503,-503,-479,-479,-536,-553,-716,-662]} 1. d4 e6 2. c4 b6 3. e4 Bb7 4. Nc3 Bb4 5. Qc2 Qh4 6. Bd3 Bxc3+ {A40: Unusual replies to 1 d4} (6... f5 7. g3 Qh5 8. Bd2 Nf6 9. f3 Nc6 10. Nb5 O-O 11. e5 a6 12. exf6 axb5 13. fxg7 Rfe8 14. Ne2 bxc4 15. Bxc4 Bxd2+ 16. Qxd2 Na5 17. Bb5 Nb3 18. Qe3 Nxa1 {0-1 (18) Vuckovic,B (2499)-Ivanisevic,I (2648) Belgrade 2014}) 7. bxc3 f5 $1 {[%cal Rb7e4]} 8. g3 Qh5 {The position is equal.} 9. f3 {[%cal Re4f5]} fxe4 10. Bxe4 (10. fxe4 {feels hotter.} d6 11. Qg2 h6 12. Ne2 e5 13. g4) 10... Bxe4 11. Qxe4 (11. fxe4 $11 Nc6 12. Ne2) 11... Nc6 $15 12. Ne2 Nf6 13. Qd3 O-O 14. O-O e5 15. Ba3 $146 ({Predecessor:} 15. Bd2) 15... d6 16. Rae1 Qh3 17. Nc1 Rf7 18. Nb3 Re8 19. Qc2 a5 20. d5 Ne7 21. Nd2 Ref8 22. Ne4 Nxe4 23. Qxe4 Kh8 24. Bc1 Ng8 25. Qe2 h6 26. Qg2 Qf5 27. Qe2 Nf6 28. Kg2 Nd7 29. Be3 Kg8 30. Bg1 Nf6 (30... g5 $17) 31. Be3 (31. f4 $11) 31... Qg6 $17 32. Bc1 h5 33. h4 e4 34. Bg5 {[%cal Rf3e4]} exf3+ 35. Rxf3 Ng4 36. Ref1 $2 {[%mdl 8192] [#]} ({White should try} 36. Rxf7 $15 Qxf7 37. Rf1) 36... Rxf3 $19 {Black is clearly winning.} 37. Rxf3 Re8 38. Qd3 Qxd3 39. Rxd3 Re2+ 40. Kf1 Rxa2 41. Bd8 a4 {Accuracy: White = 42%, Black = 74%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.15"]
[White "Gukesh D"]
[Black "Buchal, Stephan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2520"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,75,25,23,48,-11,64,66,82,70,68,68,71,0,83,14,32,36,43,44,43,41,51,41,104,92,95,60,125,117,95,101,229,177,188,170,212,150,224,213,216,214,229,172,174,78,252,233,548,534,585,572,1012,987,2615,2680,2416,1549,29990,29991,29991,29992,29992,29993,29993,29994,29994,29995]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. h4 Nf6 6. f3 h5 {B07: Pirc Defence: Miscellaneous Systems} 7. e5 $146 (7. Qd3 $14) ({Predecessor:} 7. Qd2 b5 8. O-O-O c6 9. Kb1 Qc7 10. Bf4 b4 11. Na4 a5 12. Bc4 Ba6 13. Bb3 Nbd7 14. Nh3 {1-0 (38) Leko,P (2693)-Saric,I (2652) Tallinn 2016}) 7... Nfd7 (7... Ng8 $11) 8. e6 $14 fxe6 {White is slightly better.} 9. Nh3 Nf8 10. Ng5 {[%mdl 1024] White has compensation.} Nc6 11. Bd3 ({White should try} 11. f4 $16) 11... Nb4 (11... Nxd4 $11 12. Bxd4 Bxd4) 12. Be2 (12. a3 $16 Nd5 13. Qd2) 12... Nd5 13. Qd2 c6 14. Nxd5 exd5 15. O-O-O Bd7 16. g4 e6 (16... Qc8 $14) 17. gxh5 $16 gxh5 18. Qb4 Qc7 {[#]} (18... Bc8 $14) 19. Rhg1 $1 Bf6 20. f4 Rc8 (20... a5 $16 {was necessary.} 21. Qa3 Bc8) 21. Qd2 c5 22. Kb1 Ba4 {Strongly threatening ...cxd4.} 23. Rc1 Bb5 (23... c4 $16 {was called for.}) 24. Bf3 $18 Qb6 {[%cal Rc5d4]} 25. c3 cxd4 26. cxd4 Rc4 {[%cal Rf6d4] [#]} 27. Rgd1 (27. f5 $1 $18 {[%mdl 512] is more deadly.}) 27... Kd7 $2 {[#]} (27... Bxg5 $16 28. fxg5 Ng6) 28. f5 $1 {[%cal Rf5e6][%mdl 512]} exf5 $2 (28... Rxc1+ {is a better chance.} 29. Rxc1 Bc6) 29. Bxd5 Rxc1+ 30. Rxc1 {Black must now prevent Qc2.} Ng6 31. Be6+ Kd8 32. d5 Bd3+ 33. Ka1 Qb5 34. Nf7+ {[%mdl 64] Double Attack. White mates.} Ke7 35. Rc7+ Kf8 36. Bh6+ Rxh6 37. Qxh6+ {[%mdl 64] Double Attack} Bg7 38. Rc8+ {Accuracy: White = 72%, Black = 33%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.16"]
[White "Del Rio De Angelis, Salvador G."]
[Black "Schaefer, Michael"]
[Result "1-0"]
[ECO "D56"]
[WhiteElo "2491"]
[BlackElo "2160"]
[Annotator "ChessBase"]
[PlyCount "214"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:14]} Nf6 {[%emt 0:00:00]} 4. Bg5 {[%emt 0:00:16]} Be7 {[%emt 0:00:00]} 5. e3 {[%emt 0:00:28]} h6 {[%emt 0:00:10]} 6. Bh4 {[%emt 0:00:08]} O-O {[%emt 0:00:06]} 7. Nf3 {[%emt 0:00:36]} Ne4 {[%emt 0:00:14]} 8. Bxe7 {[%emt 0:00:20]} Qxe7 {[%emt 0:00:04]} 9. Rc1 {[%emt 0:00:12]} c6 {[%emt 0:00:30]} 10. Bd3 {[%emt 0:00:28]} Nxc3 {[%emt 0:00:25]} 11. Rxc3 {[%emt 0:00:09]} Nd7 {[%emt 0:00:07]} 12. cxd5 {[%emt 0:00:14]} exd5 {[%emt 0:00:24]} 13. O-O {[%emt 0:00:13]} Re8 {[%emt 0:01:52]} 14. Qc2 {[%emt 0:00:10]} Nf8 {[%emt 0:03:12]} 15. Ne5 {[%emt 0:02:01]} Be6 {[%emt 0:01:33]} 16. Rb1 {[%emt 0:03:58]} a5 {[%emt 0:07:55]} 17. Qb3 {[%emt 0:04:22]} Reb8 {[%emt 0:05:11]} 18. Qc2 {[%emt 0:19:33]} Nd7 {[%emt 0:06:46]} 19. Nf3 {[%emt 0:00:23]} Bg4 {[%emt 0:02:46]} 20. Nd2 {[%emt 0:00:27]} Nf8 {[%emt 0:00:15]} 21. a3 {[%emt 0:04:09]} a4 {[%emt 0:05:07]} 22. b3 {[%emt 0:04:28]} axb3 {[%emt 0:01:42]} 23. Rbxb3 {[%emt 0:00:21]} Bh5 {[%emt 0:08:42]} 24. Qb2 {[%emt 0:01:51]} Qd7 {[%emt 0:05:21]} 25. Rc1 {[%emt 0:05:13]} Bg6 {[%emt 0:01:19]} 26. Nf3 {[%emt 0:02:30]} Bxd3 {[%emt 0:03:07]} 27. Ne5 {[%emt 0:00:09]} Qc7 {[%emt 0:09:00]} 28. Nxd3 {[%emt 0:00:12]} Ne6 {[%emt 0:00:35]} 29. h3 {[%emt 0:01:29]} Nd8 {[%emt 0:02:30]} 30. Nc5 {[%emt 0:09:37]} b5 {[%emt 0:09:31]} 31. Nd3 {[%emt 0:01:06]} Qd6 {[%emt 0:01:49]} 32. Nb4 {[%emt 0:01:14]} Rb6 {[%emt 0:01:52]} 33. Rbc3 {[%emt 0:00:38]} g6 {[%emt 0:02:20]} 34. R1c2 {[%emt 0:01:40]} Ra4 {[%emt 0:02:05]} 35. Rc5 {[%emt 0:02:35]} Kh7 {[%emt 0:08:52]} 36. Qc1 {[%emt 0:00:35]} Qd7 {[%emt 0:04:23]} 37. R2c3 {[%emt 0:04:02]} Qa7 {[%emt 0:00:36]} 38. Kh2 {[%emt 0:09:59]} Kg7 {[%emt 0:00:18]} 39. Qb2 {[%emt 0:01:27]} Qd7 {[%emt 0:01:26]} 40. Qc1 {[%emt 0:03:32]} Qa7 {[%emt 0:00:13]} 41. g3 {[%emt 0:34:03]} Kh7 {[%emt 0:30:52]} 42. h4 {[%emt 0:02:01]} h5 {[%emt 0:00:07]} 43. Kg2 {[%emt 0:00:49]} Kg7 {[%emt 0:00:13]} 44. Rb3 {[%emt 0:06:52]} Qd7 {[%emt 0:00:52]} 45. Qc3 {[%emt 0:01:10]} Kh7 {[%emt 0:00:27]} 46. Qc2 {[%emt 0:01:54]} Kg7 {[%emt 0:00:16]} 47. Rcc3 {[%emt 0:01:16]} Qa7 {[%emt 0:02:15]} 48. Qc1 {[%emt 0:00:00]} Qd7 {[%emt 0:00:00]} 49. Rb2 {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 50. Rbc2 {[%emt 0:00:00]} Qa7 {[%emt 0:00:00]} 51. Qb2 {[%emt 0:00:00]} Qd7 {[%emt 0:00:00]} 52. Rc1 {[%emt 0:00:00]} Kg8 {[%emt 0:00:00]} 53. Qc2 {[%emt 0:00:00]} Qa7 {[%emt 0:00:00]} 54. Nxc6 {[%emt 0:00:00]} Nxc6 {[%emt 0:00:00]} 55. Rxc6 {[%emt 0:00:00]} Rc4 {[%emt 0:00:00]} 56. Rc8+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 57. Qb3 {[%emt 0:00:00]} Qb7 {[%emt 0:00:00]} 58. Rc5 {[%emt 0:00:00]} Qe7 {[%emt 0:00:00]} 59. Qd3 {[%emt 0:00:00]} Ra6 {[%emt 0:00:00]} 60. Rb1 {[%emt 0:00:00]} Rxc5 {[%emt 0:00:00]} 61. dxc5 {[%emt 0:00:00]} Qxc5 {[%emt 0:00:00]} 62. Rxb5 {[%emt 0:00:00]} Rxa3 {[%emt 0:00:00]} 63. Qxd5 {[%emt 0:00:00]} Qxd5+ {[%emt 0:00:00]} 64. Rxd5 {[%emt 0:00:00]} Ra4 {[%emt 0:00:00]} 65. Kf3 {[%emt 0:00:00]} Rb4 {[%emt 0:00:00]} 66. e4 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 67. Kf4 {[%emt 0:00:00]} Ra4 {[%emt 0:01:11]} 68. Rd6+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:57]} 69. f3 {[%emt 0:00:11]} Rb4 {[%emt 0:00:29]} 70. Rd8 {[%emt 0:02:23]} Ra4 {[%emt 0:00:17]} 71. Re8 {[%emt 0:01:02]} Rb4 {[%emt 0:00:35]} 72. g4 {[%emt 0:00:16]} hxg4 {[%emt 0:00:17]} 73. Kxg4 {[%emt 0:00:05]} Ra4 {[%emt 0:00:59]} 74. h5 {[%emt 0:01:09]} gxh5+ {[%emt 0:00:12]} 75. Kxh5 {[%emt 0:00:14]} Kf6 {[%emt 0:03:29]} 76. Kg4 {[%emt 0:00:49]} Ra1 {[%emt 0:00:47]} 77. e5+ {[%emt 0:01:06]} Kg6 {[%emt 0:01:41]} 78. Rg8+ {[%emt 0:00:43]} Kh7 {[%emt 0:00:45]} 79. Rg5 {[%emt 0:00:14]} Ra6 {[%emt 0:01:19]} 80. Kf5 {[%emt 0:00:27]} Rb6 {[%emt 0:00:22]} 81. f4 {[%emt 0:00:09]} Ra6 {[%emt 0:00:06]} 82. Rg1 {[%emt 0:00:36]} Rb6 {[%emt 0:00:54]} 83. Rg4 {[%emt 0:01:29]} Kh6 {[%emt 0:01:10]} 84. Rg2 {[%emt 0:01:27]} Ra6 {[%emt 0:00:15]} 85. Rd2 {[%emt 0:00:25]} Kg7 {[%emt 0:00:22]} 86. Rd6 {[%emt 0:00:15]} Ra4 {[%emt 0:00:21]} 87. Kg5 {[%emt 0:03:05]} Ra5 {[%emt 0:00:44]} 88. Rd7 {[%emt 0:00:32]} Rb5 {[%emt 0:02:01]} 89. Kg4 {[%emt 0:01:40]} Kf8 {[%emt 0:01:20]} 90. Kf5 {[%emt 0:00:11]} Kg7 {[%emt 0:00:16]} 91. Ke4 {[%emt 0:00:09]} Rb4+ {[%emt 0:00:51]} 92. Rd4 {[%emt 0:00:09]} Rb1 {[%emt 0:00:10]} 93. f5 {[%emt 0:00:18]} Re1+ {[%emt 0:00:58]} 94. Kd5 {[%emt 0:00:07]} Rf1 {[%emt 0:00:15]} 95. f6+ {[%emt 0:05:20]} Kg6 {[%emt 0:00:15]} 96. Kd6 {[%emt 0:00:20]} Re1 {[%emt 0:01:49]} 97. Rd5 {[%emt 0:00:30]} Ra1 {[%emt 0:00:28]} 98. Ke7 {[%emt 0:00:16]} Ra7+ {[%emt 0:01:06]} 99. Rd7 {[%emt 0:00:12]} Ra5 {[%emt 0:00:46]} 100. e6 {[%emt 0:01:07]} fxe6 {[%emt 0:00:18]} 101. f7 {[%emt 0:00:46]} Rf5 {[%emt 0:00:18]} 102. f8=Q {[%emt 0:00:31]} Rxf8 {[%emt 0:00:22]} 103. Kxf8 {[%emt 0:00:05]} Kf5 {[%emt 0:00:19]} 104. Ke7 {[%emt 0:00:15]} e5 {[%emt 0:00:10]} 105. Kd6 {[%emt 0:00:04]} e4 {[%emt 0:00:38]} 106. Kd5 {[%emt 0:00:10]} e3 {[%emt 0:00:18]} 107. Re7 {[%emt 0:00:14]} Kf4 {[%emt 0:00:13] Ke4+} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.17"]
[White "Kindtner, Ulrich"]
[Black "Yankelevich, Lev"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2257"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,52,-21,-45,-20,-45,-5,-28,0,0,0,-2,7,-26,-24,-18,-14,-45,-48,-65,-50,-50,-44,-52,-52,-49,-21,-77,-22,-64,-60,-86,-82,-90,-86,-134,-99,-138,-83,-103,-99,-462,-447,-443,-445]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Nb4 6. Bc4 Nbxd5 {C47: Scotch Four Knights and Four Knights with 4 g3} 7. exd5 Qe7+ (7... Bb4+ 8. Bd2 Qe7+ 9. Qe2 Bxd2+ 10. Kxd2 Qxe2+ 11. Kxe2 c5 12. dxc6 bxc6 13. Nxd4 d5 14. Bb3 {0-1 (33) Piskur,M (2269)-Blagojevic,D (2498) Cetinje 2016}) 8. Qe2 d3 $146 {Black has an edge.} ({Predecessor:} 8... Qxe2+ 9. Kxe2 c5 10. dxc6 dxc6 11. Nxd4 Bc5 12. c3 O-O 13. h3 Bxd4 14. cxd4 {0-1 (67) Feller,J (2174)-Ljubarskij,J (2301) Hockenheim 2007}) 9. cxd3 Qxe2+ 10. Kxe2 Be7 11. Bf4 b5 12. Bxb5 Nxd5 13. Be5 f6 14. Bd4 c5 {[#] aiming for ...Rb8.} 15. Bc3 $1 Rb8 16. Ba4 Nf4+ 17. Kd2 Bb7 18. Ne1 (18. Nh4 $11) 18... Bd5 ({Better is} 18... Kf7 $17) 19. Ke3 g5 $36 {[%mdl 2048] Black has the initiative.} ({Of course not} 19... Nxg2+ $6 20. Nxg2 Bxg2 21. Rhg1 $11) 20. f3 Be6 21. Kd2 Kf7 22. h4 h6 23. g3 Ng6 (23... Nd5 $142 {...Bd6 is the strong threat.} 24. Bb3 Nxc3 25. bxc3 Bd6 26. Bxe6+ dxe6) 24. Ng2 d5 {White must now prevent ...d4.} 25. d4 $2 {[%mdl 8192]} (25. h5 $17 Nf8 26. b3) 25... cxd4 $19 {[%mdl 64] [#] Overworked Piece} 26. Bxd4 Rb4 $1 {[%csl LRa4,LRd4][%mdl 64] Double Attack. Accuracy: White = 19%, Black = 58%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.18"]
[White "Klimkowski, Jan"]
[Black "Vogel, Roven"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2174"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,138,22,22,33,28,-45,-45,-46,-43,-45,-44,-42,-45,-40,-50,-53,-37,-50,-37,-35,-25,-29,-29,-30,-25,-27,-27,-30,-26,-48,-49,-46,-45,-58,-48,-65,-72,-73,-66,-100,-98,-105,-105,-114,-104,-104,-104,-104,-58,-54,-73,-52,-49,-132,-132,-143,-143,-143,-143,-143,-132,-132,-132,-334,-310,-415,-441,-435,-370,-348,-331,-479,-483,-468,-441,-413,-411,-355,-95,-396,-95,-95,-95,-360,-365,-349,-95,-373,0,-211,0,-539,-505,-476,-502,-434,-425,-386,-360,-249,-249,-249,-8,-263,-206,-367,-199,-199,0,0,0,-8,-8,-218,-225,-225,-225,-225,-225,-226,-226,-226,-226]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 O-O 8. Be2 Na6 9. Bf3 Qb6 10. Qxb6 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6} (10. Nge2 Qxb3 11. axb3 Nb4 12. O-O Rd8 13. Ra5 a6 14. Na4 b5 15. d6 Ra7 16. dxe7 Rxe7 17. Nac3 Be6 {½-½ (46) Amin,B (2689)-Artemiev,V (2691) Riadh 2017}) 10... axb6 11. Be3 (11. Nge2 $11) 11... Nb4 $15 12. Kd2 {Black is slightly better.} Rd8 {[%cal Rf6d5]} 13. Nge2 Nbxd5 14. Nxd5 $146 ({Predecessor:} 14. Rad1 Nb4 15. a3 Nc6 16. Ke1 Na5 17. a4 Nc4 {½-½ (53) Abasov,N-Moiseenko,V Urgup 2004}) 14... Nxd5 15. Bxd5 Rxd5 16. Nc3 Rd8 17. Rhd1 Bxd4 18. Bxd4 Rxd4+ 19. Ke3 Rxd1 20. Rxd1 $11 {[%mdl 4096] Endgame KRB-KRN} Be6 21. Rd4 Rc8 22. a3 Rc6 23. g3 Kf8 24. Rd8+ Kg7 25. Ne2 Rc7 26. Nd4 Bd7 27. f4 h5 28. h4 Bh3 29. Rd5 Rc5 30. Rxc5 bxc5 $17 {KB-KN} 31. Nb3 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 32. Nd2 Bd7 33. Nc4 $1 {[%cal Rc4b6]} b5 34. Nd2 c4 $1 35. Nf3 (35. Ne4 $1 $15) 35... Kf6 36. Ne5 Be8 37. Nf3 Kf5 38. Nd4+ Kg4 39. Kf2 Bd7 40. Nc2 $2 (40. Nf3 $17 f6 41. Nd4) 40... Kf5 $19 41. Ke3 e5 $1 42. fxe5 Kxe5 43. Nd4 f6 44. Nf3+ (44. Nc2 $142) 44... Kf5 45. Nd4+ Kg4 $1 46. Kf2 g5 47. hxg5 Kxg5 $2 (47... fxg5 $19 {has better winning chances.} 48. Nf3 Be8 49. Nh2+ Kh3) 48. Nf3+ $2 {[%mdl 8192]} (48. Ke3 $17) 48... Kf5 49. Ke3 Be8 50. Nd4+ $2 {[%mdl 8192]} (50. Ke2 $17 {is the only way for White.}) 50... Kg4 $1 51. Kf2 Bd7 $2 (51... f5 $1 $19 {And now ...f4 would win.} 52. Ne6 Bd7) 52. Nc2 $2 {[%mdl 8192]} (52. Nf3 $17) 52... Be8 (52... f5 $142 $1 53. Ne3+ Kg5) 53. Nd4 $1 Bd7 $2 (53... f5 $1 54. Ne6 Bd7) 54. Nc2 $1 f5 $1 {[%cal Rf5f4]} 55. Ne3+ Kg5 56. Nd5 Be8 57. Nc7 Bc6 58. Ne6+ Kg4 59. Nd4 Bd5 $2 (59... Be8 $1 $19 {Hoping for ...f4.} 60. Ne6 Bd7) 60. Ne2 $2 {[%mdl 8192]} (60. Nxb5 $11 {and White stays safe.} f4 61. gxf4) 60... Bb7 61. Ke3 $2 (61. Nd4 {only move.}) 61... Bf3 (61... Bc6 $142 62. Kf2 f4 $1 {[%mdl 512]} 63. gxf4 Be8) 62. Nd4 {[#]} f4+ $2 ({Not} 62... Kxg3 63. Nxf3 f4+ 64. Ke4 $11) (62... Bd1 $1 $19 63. Kf2 Ba4) 63. gxf4 $11 Bd5 64. Kf2 Kxf4 65. Kg1 $2 (65. Nxb5 $11 h4 66. Nd4) 65... Ke3 $19 {Black is clearly better.} 66. Nxb5 {intending a4.} Kd2 67. a4 Kc2 68. a5 Kxb2 {White must now prevent ...c3.} 69. a6 {[#]} Kb3 $1 {Accuracy: White = 44%, Black = 61%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.19"]
[White "Parvanyan, Ashot"]
[Black "Fauth, Dietmar"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2448"]
[BlackElo "2099"]
[Annotator "ChessBase"]
[PlyCount "53"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:34]} Nf6 {[%emt 0:01:14]} 3. c4 {[%emt 0:00:32]} e6 {[%emt 0:00:38]} 4. g3 {[%emt 0:00:25]} Be7 {[%emt 0:01:19]} 5. Bg2 {[%emt 0:00:24]} O-O {[%emt 0:00:10]} 6. O-O {[%emt 0:00:07]} dxc4 {[%emt 0:02:41]} 7. Qc2 {[%emt 0:00:31]} a6 {[%emt 0:01:57]} 8. a4 {[%emt 0:00:21]} Bd7 {[%emt 0:07:55]} 9. Qxc4 {[%emt 0:00:21]} Bc6 {[%emt 0:01:11]} 10. Bg5 {[%emt 0:00:23]} Nbd7 {[%emt 0:13:33]} 11. Nc3 {[%emt 0:01:52]} h6 {[%emt 0:04:07]} 12. Bxf6 {[%emt 0:00:30]} Nxf6 {[%emt 0:01:39]} 13. b4 {[%emt 0:03:03]} Qd6 {[%emt 0:26:09]} 14. b5 {[%emt 0:02:57]} axb5 {[%emt 0:03:04]} 15. axb5 {[%emt 0:00:08]} Rxa1 {[%emt 0:10:04]} 16. Rxa1 {[%emt 0:00:30]} Bxf3 {[%emt 0:03:22]} 17. Bxf3 {[%emt 0:00:19]} b6 {[%emt 0:00:33]} 18. Ra7 {[%emt 0:08:16]} Bd8 {[%emt 0:00:12]} 19. Na2 {[%emt 0:04:52]} e5 {[%emt 0:01:43]} 20. dxe5 {[%emt 0:03:09]} Qxe5 {[%emt 0:00:09]} 21. Nb4 {[%emt 0:00:26]} Qd6 {[%emt 0:04:05]} 22. Nc6 {[%emt 0:05:35]} Ne8 {[%emt 0:00:49]} 23. Bd5 {[%emt 0:07:26]} Nf6 {[%emt 0:04:07]} 24. Bxf7+ {[%emt 0:04:17]} Kh7 {[%emt 0:04:55]} 25. Qe6 {[%emt 0:07:05]} Qc5 {[%emt 0:00:52]} 26. Ne5 {[%emt 0:03:11]} g5 {[%emt 0:03:42]} 27. Qf5+ {[%emt 0:04:02]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.20"]
[White "Kolb, Tobias"]
[Black "Bellia, Fabrizio"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "2073"]
[BlackElo "2433"]
[Annotator "ChessBase"]
[PlyCount "68"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Bc4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 4. d3 {[%emt 0:00:00]} Na5 {[%emt 0:00:00]} 5. Qf3 {[%emt 0:00:00]} Nxc4 {[%emt 0:05:45]} 6. dxc4 {[%emt 0:00:10]} d6 {[%emt 0:00:22]} 7. h3 {[%emt 0:00:20]} c6 {[%emt 0:00:48]} 8. Bg5 {[%emt 0:05:57]} Be7 {[%emt 0:00:22]} 9. Nge2 {[%emt 0:01:00]} Be6 {[%emt 0:02:14]} 10. b3 {[%emt 0:00:05]} h6 {[%emt 0:05:59]} 11. Bxf6 {[%emt 0:01:57]} Bxf6 {[%emt 0:01:53]} 12. O-O {[%emt 0:00:30]} Qe7 {[%emt 0:03:53]} 13. Rad1 {[%emt 0:12:47]} O-O {[%emt 0:02:05]} 14. Rd3 {[%emt 0:11:40]} Bg5 {[%emt 0:02:36]} 15. g4 {[%emt 0:03:36]} h5 {[%emt 0:08:54]} 16. Qg2 {[%emt 0:23:40]} hxg4 {[%emt 0:08:50]} 17. hxg4 {[%emt 0:00:04]} g6 {[%emt 0:00:10]} 18. Rfd1 {[%emt 0:05:41]} Kg7 {[%emt 0:05:12]} 19. Rh3 {[%emt 0:08:39]} Rh8 {[%emt 0:02:27]} 20. Rdd3 {[%emt 0:00:05]} Qd7 {[%emt 0:10:17]} 21. Rxh8 {[%emt 0:01:04]} Rxh8 {[%emt 0:00:07]} 22. c5 {[%emt 0:00:22]} Rh4 {[%emt 0:03:19]} 23. Rxd6 {[%emt 0:02:58]} Qc7 {[%emt 0:06:26]} 24. Ng3 {[%emt 0:04:45]} Rxg4 {[%emt 0:01:20]} 25. f3 {[%emt 0:00:39]} Be3+ {[%emt 0:00:33]} 26. Kf1 {[%emt 0:00:04]} Rg5 {[%emt 0:00:28]} 27. Nce2 {[%emt 0:02:03]} Qe7 {[%emt 0:02:02]} 28. Qh2 {[%emt 0:05:55]} Bxc5 {[%emt 0:01:14]} 29. Rd1 {[%emt 0:00:30]} Bb6 {[%emt 0:01:47]} 30. Kg2 {[%emt 0:03:51]} Qc5 {[%emt 0:00:16]} 31. Kh1 {[%emt 0:01:46]} Qxc2 {[%emt 0:01:46]} 32. Nf5+ {[%emt 0:01:50]} Rxf5 {[%emt 0:01:13]} 33. Rc1 {[%emt 0:01:12]} Qxc1+ {[%emt 0:00:08]} 34. Nxc1 {[%emt 0:00:04]} Rh5 {[%emt 0:00:03]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.21"]
[White "Zajogin, Alexander"]
[Black "Frese, Daniel"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2426"]
[BlackElo "1969"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,29,0,-5,-22,87,20,105,122,219,244,261,259,243,212,495,488,489,487,568,279,528,500]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. Nc3 c5 6. e3 {A45: Trompowsky Attack} Bf5 (6... e6 $11) 7. g4 $146 (7. Nb5 $16 Na6 8. dxc5) ({Predecessor:} 7. Nb5 Na6 8. c3 Qb6 9. a4 c4 10. g4 Bd7 11. b3 cxb3 12. Qxb3 e6 {½-½ (36) Roselli Mailhe,B (2471)-Curi,G (2185) Sao Paulo 2019}) 7... Bg6 {[#]} (7... Bd7 $1 $11 {remains equal.}) 8. g5 $1 $16 {[%cal Rg5f6] White is better.} (8. dxc5 $6 Nc6 $11) 8... Nh5 (8... cxd4 $16 9. Nb5 (9. gxf6 dxc3 10. Bxb8 exf6 $11) (9. Qxd4 Nc6 $11) (9. exd4 Nh5 $11) 9... Nh5) 9. Bxb8 $1 $18 {Strongly threatening Bb5+.} ({And not} 9. dxc5 Nxf4 10. Bb5+ Nc6 $15) 9... Qxb8 10. Bb5+ ({Not} 10. dxc5 e6 $16) (10. Nxd5 f6 $16) 10... Kd8 11. Nxd5 cxd4 $2 (11... c4 {is a better defense.} 12. Bxc4 Qd6) 12. Qxd4 {[#] Threatening mate with Nxe7+!} Qd6 {intending ...e6.} 13. O-O-O Rc8 14. Ba4 (14. e4 $142 e6 15. Qxa7 exd5 16. Rxd5 Qxd5 17. Qa5+ Rc7 18. exd5 Bxc2 19. Qa8+ Rc8 20. Qxb7 Bf5+ 21. Kd1) 14... Qc5 $2 (14... e6) 15. Nb6+ {Accuracy: White = 31%, Black =  3%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.22"]
[White "Maruntis, Patrik-Robert"]
[Black "Morawietz, Dieter"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1707"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,4,0,0,6,0,0,0,0,0,3,0,12,-33,-24,-43,0,-5,-8,-16,0,-11,18,14,55,39,49,46,46,36,50,52,54,46,53,52,55,53,43,45,66,62,66,61,87,78,79,76,110,65,66,57,59,20,50,25,71]} 1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 e5 5. g3 d6 6. Bg2 {B40: Sicilian: 2...e6, Unusual lines} g6 7. d3 Bg7 (7... h5 8. Nd5 Bh6 9. Bxh6 Nxh6 10. Qd2 a5 11. a3 {½-½ (30) Sadikhov,U (2484)-Sumets,A (2575) Cesme 2018}) 8. Be3 {The position is equal.} Nge7 9. O-O O-O 10. Qd2 Nd4 11. Bxd4 $146 ({Predecessor:} 11. Bh6 Bg4 12. Bxg7 Kxg7 13. Nh4 Qd7 14. f4 exf4 15. gxf4 f5 16. h3 Bh5 17. Rae1 {1-0 (54) Gomes,M (2284)-Toncheva,N (1975) Paracin 2018}) 11... cxd4 12. Nd5 h6 13. Nxe7+ Qxe7 14. Ne1 f5 15. f4 Be6 16. exf5 gxf5 17. Nc2 Kh8 18. Rae1 {[%cal Ba1e1,Be1e2,Be2g2][%mdl 32]} Rae8 19. b3 Qd7 20. Nb4 Bg8 21. Nd5 Bh7 22. Re2 e4 23. Rfe1 {[%cal Rd3e4]} e3 24. Qd1 Rb8 25. a4 Bg6 26. Bf3 a5 27. Rg2 Bf7 28. Ree2 Be6 29. Rc2 Qd8 30. Qe1 Rc8 31. h4 Rc5 32. Kh2 Qd7 {Accuracy: White = 74%, Black = 34%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.23"]
[White "Nasuta, Grzegorz"]
[Black "Mohota, Nisha"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2534"]
[BlackElo "2195"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,132,31,23,30,28,0,16,14,29,17,61,46,46,42,91,97,99,62,79,97,104,73,132,58,106,85,81,42,66,59,59,58,65,60,56,52,58,57,50,50,56,67,72,44,56,46,54,56,53,35,37,32,78,78,78,78,78,78,78,78,87,49,83,0,91,43,61,62,70,12,15,16,83,8,8,8,61,70,70,8,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bh5 11. d3 {C90: Closed Ruy Lopez with 7...d6: Early deviations} Na5 12. Bc2 c5 (12... b4 $5) 13. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Re8 (13... b4 14. Nf1 Rb8 15. Ng3 Bg6 16. Qe2 b3 17. Bd1 Re8 18. Nh4 d5 19. exd5 Qxd5 20. Nxg6 hxg6 {½-½ (29) Buhmann,R (2568)-Bosiocic,M (2614) Skopje 2019}) 14. Nf1 h6 15. Ng3 Bg6 16. Nh4 Bf8 $146 ({Predecessor:} 16... b4 17. Ngf5 Bf8 18. Nxg6 fxg6 {1-0 (55) Kwiatkowski,F (2240)-Lane,G (2410) Blackpool 1988}) 17. axb5 axb5 18. Qf3 Kh8 19. Bd2 c4 20. d4 Ng8 (20... Bh7 $142) 21. Nhf5 ({White should try} 21. Nxg6+ $16 fxg6 22. Ra2) 21... Nb3 22. Bxb3 $1 cxb3 23. Qd3 Qb6 24. Be3 {[#] Black must now prevent Rxa8.} Qb7 25. Rxa8 Rxa8 26. Qd1 Bxf5 27. exf5 Qd5 $1 28. dxe5 Qxd1 29. Rxd1 dxe5 30. Ne4 Ra2 31. Rb1 Ne7 32. Bc5 Kg8 33. Bxe7 Bxe7 $14 {[%mdl 4096] Endgame KRB-KRN} 34. Kf1 h5 35. Nd2 Ba3 36. bxa3 Rxd2 37. Rxb3 $16 {KR-KR} Rd5 38. Ke2 Kf8 39. Rb4 Ke7 40. Rh4 Rd8 41. Rb4 Rd5 $1 42. a4 bxa4 43. Rxa4 Kf6 44. g4 (44. Ra7 $14) 44... hxg4 $11 45. hxg4 Rd7 (45... g6 $11 {remains equal.}) 46. f3 (46. Re4 $16) 46... Kg5 47. Ke3 g6 ({Better is} 47... f6 $11) 48. fxg6 Kxg6 49. Ra1 (49. Re4 $14) 49... f5 {The position is equal.} 50. Rc1 fxg4 51. fxg4 Rc7 52. Kd3 Kg5 53. Re1 Rd7+ 54. Ke4 {[#] Rc1 is the strong threat.} Rc7 55. Kd3 Rd7+ 56. Kc4 Rc7+ 57. Kb4 Kf4 58. c4 e4 59. c5 e3 60. Kb5 Re7 61. c6 Kxg4 62. Kb6 Kf3 63. c7 Rxc7 64. Kxc7 e2 65. Kc6 Kf2 66. Rxe2+ Kxe2 {Accuracy: White = 47%, Black = 60%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.24"]
[White "Marin, Mihail"]
[Black "Cordes, Hans-Joerg"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2524"]
[BlackElo "2188"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,54,25,10,55,17,7,0,0,-9,0,0,3,-11,0,-23,-15,-39,-40,-47,-19,-94,-91,-89,-64,-59,-66,-72,-63,-58,-59,-121,-130,-126,-31,-37,-29,-26,-34,-20,-14,-34,-44,-45,-5,-146,-149]} 1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bc5 5. Nf3 O-O 6. O-O d5 {A29: English Opening: Four Knights Variation with 4 g3} 7. cxd5 (7. Nxe5 $5 Nxe5 8. d4 $14 {[%mdl 64] Double Attack}) 7... Nxd5 8. d3 Bb6 {The position is equal.} 9. Na4 f6 $146 ({Predecessor:} 9... Re8 10. Bg5 Qd6 11. Nd2 Qg6 12. Ne4 Bg4 13. h3 Be6 14. Bd2 {0-1 (38) Eljanov,P (2739)-Grischuk,A (2761) Geneva 2017}) 10. b3 Be6 11. Ba3 Re8 12. Rc1 Qd7 13. Nc5 Bxc5 14. Rxc5 Ndb4 15. Rb5 {[#]} (15. Qd2 $11 a5 16. Rfc1) 15... a5 $1 $17 16. Rxb7 Nd8 ({Reject} 16... Nxa2 $6 17. Qc2 $11) 17. Bxb4 Nxb7 18. Bc3 {Nxe5 would now be nice for White.} Bd5 19. Qc2 a4 20. Rc1 (20. e4 $15 axb3 21. axb3) 20... axb3 21. axb3 e4 (21... Nc5 $17 22. Nd2 Bxg2 23. Kxg2 Ne6) 22. dxe4 $15 Bxe4 23. Ne5 $1 Bxc2 24. Nxd7 Be4 $36 {[%mdl 2048] Hoping for ...Bxg2. Black has some pressure.} 25. Bxe4 (25. Bxf6 $5 c5 26. e3 $11) 25... Rxe4 {[#]} 26. Bxf6 $1 {[%mdl 512]} Nd6 (26... gxf6 27. Nxf6+) 27. Bg5 (27. Rc2 $11) 27... Rxe2 {Accuracy: White = 31%, Black = 54%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.25"]
[White "Engel, Luis"]
[Black "Wiechert, Hans"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2507"]
[BlackElo "2187"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,53,27,4,36,7,22,18,24,23,18,0,27,-13,-11,-18,0,0,0,0,57,61,60,70,108,108,249,236,256,257,775,764,960,643,29996,29997,29997,29998]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. f4 O-O {B49: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 7 Be2} (10... Bxc3 $5 11. bxc3 Nxe4 $11) 11. e5 (11. Na4 {keeps more tension.} Rb8 12. Bf3 Rd8 13. c3 Bf8 14. Rc1) 11... Nd5 12. Nxd5 cxd5 {The position is equal.} 13. c3 (13. Bd4 a5 14. Rf3 Ba6 15. Rh3 Bc5 16. Bxa6 Rxa6 17. Qd3 Bxd4+ 18. Kh1 {0-1 (51) Mista,A (2599)-Duda,J (2730) Katowice 2019}) 13... Bc5 {[#]} 14. Bd4 $146 ({Predecessor:} 14. Qd2 d6 15. Kh1 a5 16. b4 Bxe3 17. Qxe3 Bd7 18. b5 {1-0 (34) Cornette,M (2581)-Stebbings,A (2297) England 2016}) 14... d6 15. Kh1 (15. b4 $5 {[%cal Rb4c5]} Ba7 16. Kh1 $11) 15... a5 16. Rf3 Ba6 17. Bxa6 {Hoping for Bb5.} Rxa6 18. exd6 Bxd6 (18... Qxd6 $11 19. Rc1 Bxd4 20. Qxd4 g6) 19. Rh3 $1 $14 {aiming for Qd3!} f5 20. Qe2 $36 {[%mdl 2112] Double Attack. White fights for an advantage.} Rc6 21. Qxe6+ Rf7 (21... Qf7 $16 22. Qxf7+ Rxf7) 22. Qxd5 $18 Bxf4 23. Re1 {[%cal Re1e8]} Bd6 $2 (23... h6 24. Rf3 Rd6) 24. Re6 h6 {[#]} 25. Rg3 $1 {[%mdl 576] Pin} Kh7 {[#]} (25... Bxg3 26. Rxc6) 26. Rxg7+ $1 {[%mdl 576] Deflection, Back Rank} Rxg7 27. Qxf5+ {Accuracy: White = 76%, Black = 28%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.26"]
[White "Loiseau, Quentin"]
[Black "Paris, Michael"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2471"]
[BlackElo "2186"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,-6,0,0,33,47,40,46,37,34,114,116,136,104,113,112,178,170,187,192,192,188,202,179,178,171,181,172,180,182,195,170,172,169,199,183,181,185,181,159,154,133,141,113,245,214,229,241,236,218,557,562,29994,29995,29995,29995,29996,29996]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Bb4+ 5. Nbd2 dxc4 6. e3 {D30: Queen's Gambit Declined: Systems without Nc3} (6. e4 Bxd2+ 7. Nxd2 Qxd4 8. Qc2 Nc6 9. Bxc4 h6 10. Be3 Qd6 11. Bb5 Bd7 12. O-O-O Nb4 13. Bxd7+ Nxd7 {½-½ (56) Mamedyarov,S (2817)-Harikrishna,P (2729) Kolkata 2018}) 6... Qd5 {[#] And now ...Bxd2+ would win.} 7. Bxf6 gxf6 8. a3 {[%cal Ba2a3,Ba3a4][%mdl 32] White is slightly better.} Bxd2+ $146 ({Predecessor:} 8... Ba5 9. Qc2 b5 10. a4 a6 11. Be2 Bb7 12. O-O Bxd2 13. Qxd2 Rg8 {1-0 (47) Sokolov,I (2525)-Vasiljevic,D (2340) Pancevo 1987}) 9. Nxd2 b5 (9... Nd7 $14) 10. Be2 $16 {[#] Bf3 is the strong threat.} c6 11. Bf3 Qd8 12. a4 b4 (12... Ba6 $16) 13. Nxc4 $18 a5 14. Rc1 {[%cal Ba1c1,Bc1c2,Bc2c5][%mdl 32]} O-O 15. O-O Bb7 16. Qb3 Ra7 17. Nd2 Qe7 18. Rc2 Kh8 19. Rfc1 Rd8 20. Ne4 Bc8 21. Rc5 e5 22. d5 cxd5 23. Rxc8 {Strongly threatening Qxd5.} dxe4 24. Bxe4 {Threatens to win with Bf5.} Kg7 25. Rxd8 Qxd8 26. Bf5 Qe7 (26... Qd2 $16 27. Qc4 h5) 27. Qd1 {White wants to mate with Rc8.} ({Weaker is} 27. e4 Rc7 $14) 27... Rc7 28. Qg4+ Kf8 29. Rd1 $40 {[%mdl 128] Black is in trouble.} Na6 $2 (29... h6 {is tougher.} 30. Qh4 Kg7 31. Qg3+ Kh8) 30. Bxh7 {[%csl Gh7][%cal Rg4g8]} Qc5 31. Qg8+ {White mates.} Ke7 32. Qd8+ Ke6 33. g4 {Played: e3-e4} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.27"]
[White "Kraich, Klaus"]
[Black "Hoffmann, Michael"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2183"]
[BlackElo "2445"]
[Annotator "ChessBase"]
[PlyCount "42"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. b3 {[%emt 0:00:00]} e5 {[%emt 0:04:51]} 2. Bb2 {[%emt 0:00:00]} d6 {[%emt 0:01:38]} 3. e3 {[%emt 0:01:21]} Nf6 {[%emt 0:04:15]} 4. c4 {[%emt 0:03:41]} g6 {[%emt 0:02:25]} 5. Na3 {[%emt 0:13:19]} Bg7 {[%emt 0:00:47]} 6. Nf3 {[%emt 0:02:16]} O-O {[%emt 0:03:56]} 7. d4 {[%emt 0:02:37]} exd4 {[%emt 0:02:43]} 8. Nxd4 {[%emt 0:00:15]} Re8 {[%emt 0:11:08]} 9. Be2 {[%emt 0:00:48]} Ne4 {[%emt 0:02:51]} 10. Qc1 {[%emt 0:02:42]} Qf6 {[%emt 0:02:48]} 11. Bf3 {[%emt 0:14:54]} c5 {[%emt 0:02:42]} 12. Nab5 {[%emt 0:00:44]} cxd4 {[%emt 0:05:24]} 13. Nc7 {[%emt 0:00:53]} Qd8 {[%emt 0:01:56]} 14. Nxe8 {[%emt 0:14:05]} Qxe8 {[%emt 0:01:07]} 15. O-O {[%emt 0:04:49]} dxe3 {[%emt 0:02:13]} 16. Bxg7 {[%emt 0:05:25]} exf2+ {[%emt 0:03:14]} 17. Rxf2 {[%emt 0:00:57]} Nxf2 {[%emt 0:08:31]} 18. Qc3 {[%emt 0:03:06]} Nd3 {[%emt 0:02:24]} 19. Kf1 {[%emt 0:10:25]} Nc6 {[%emt 0:02:50]} 20. Rd1 {[%emt 0:02:18]} Bf5 {[%emt 0:02:13]} 21. Bd5 {[%emt 0:06:27]} Qe3 {[%emt 0:01:21]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.28"]
[White "Fleuren, Jan"]
[Black "Ries, Berthold"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2097"]
[BlackElo "1854"]
[Annotator "NA"]
[PlyCount "57"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. b3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. Bb2 {[%emt 0:00:00]} Nf6 {[%emt 0:00:11]} 4. Bb5+ {[%emt 0:01:09]} Nbd7 {[%emt 0:00:26]} 5. d3 {[%emt 0:03:38]} a6 {[%emt 0:09:16]} (5... g6 6. Bxd7+ Bxd7 7. Nc3 Bc6 8. Nd5 Bxd5 9. exd5 Qa5+ 10. Qd2 Qxd2+ 11. Kxd2 Bh6+ 12. Kd1 Bg7 {½-½ (23) Paichadze,L (2543)-Hovhannisyan,R (2592) Tbilisi 2014}) 6. Bxd7+ {[%emt 0:00:13] B20: Sicilian: Unusual White 2nd moves} Bxd7 {[%emt 0:01:52]} 7. f4 {[%emt 0:00:21]} Bc6 {[%emt 0:07:16]} 8. Nd2 {[%emt 0:01:45]} g6 {[%emt 0:02:12]} 9. Ngf3 {[%emt 0:02:55]} Bg7 {[%emt 0:01:02]} 10. O-O {[%emt 0:00:24]} O-O {[%emt 0:00:20]} 11. Rb1 {[%emt 0:03:57]} b5 $146 {[%emt 0:05:17]} ({Predecessor:} 11... a5 12. Qe1 a4 13. Qh4 {0-1 (49) Aliyev,E (2157)-Benidze,D (2459) Kocaeli 2014}) 12. Qe2 {[%emt 0:03:26]} e6 {[%emt 0:01:27]} 13. c4 {[%emt 0:05:03]} Nh5 {[%emt 0:04:36]} 14. Bxg7 {[%emt 0:00:51]} Nxg7 {[%emt 0:00:19]} 15. d4 {[%emt 0:01:00]} cxd4 {[%emt 0:04:37]} 16. Nxd4 {[%emt 0:00:08]} Qb6 {[%emt 0:04:32]} 17. Qf2 {[%emt 0:00:09]} Bd7 {[%emt 0:06:12]} 18. N4f3 {[%emt 0:04:40]} Qxf2+ {[%emt 0:09:23]} 19. Kxf2 {[%emt 0:01:20]} Rfd8 $11 {[%emt 0:00:47]} 20. Rbc1 {[%emt 0:03:57]} Rac8 {[%emt 0:10:01]} 21. Rfe1 {[%emt 0:02:06]} b4 {[%emt 0:02:42]} 22. a3 {[%emt 0:12:21]} a5 {[%emt 0:00:59]} 23. axb4 {[%emt 0:01:20]} axb4 {[%emt 0:00:10]} 24. Ra1 {[%emt 0:00:01]} Ra8 {[%emt 0:00:31]} 25. e5 {[%emt 0:01:22]} d5 {[%emt 0:03:40]} 26. Nd4 {[%emt 0:04:34]} dxc4 {[%emt 0:06:16]} 27. Nxc4 {[%emt 0:01:12]} Nf5 {[%emt 0:00:46]} 28. Nxf5 {[%emt 0:00:13]} gxf5 {[%emt 0:00:28]} 29. g3 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.29"]
[White "Womacka, Mathias"]
[Black "Grigorieva, Yulia"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2436"]
[BlackElo "2184"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,114,27,27,10,48,36,68,46,54,61,52,44,48,41,48,47,51,53,45,34,48,52,71,74,71,77,77,68,92,76,168,112,182,193,233,231,237,239,258,260,264,264,259,199,211,174,171,162,154,134,184,146,154,153,136,121,111,89,134,15,28,27,398,366,368,360,438,476,520,509,532,510,495,500,537,524,877,796,1528,1464,29954,12831,7544,9650,29972,29973,29973,29966,29983,29984,29984,29985,29985,29986,29987,29988,29988,29989,29989,29990,29990,29991,29995]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O O-O 6. h3 d5 7. exd5 Nxd5 8. Re1 {C24: Bishop's Opening: 2...Nf6} Nb6 (8... Be6 9. Nbd2 f6 10. Nb3 Bb6 11. a4 a6 12. a5 Ba7 13. d4 Kh8 14. dxe5 Nxe5 15. Bxd5 Bxd5 16. Nxe5 fxe5 {½-½ (47) Nepomniachtchi,I (2775)-Nakamura,H (2754) Paris 2019}) 9. Bb3 Bf5 10. Nc3 {White is slightly better.} Re8 11. Ne4 $146 ({Predecessor:} 11. Ng5 Bg6 12. a3 Nd4 13. Ba2 a5 14. Nge4 Be7 {0-1 (47) Amalio,N-Carvalho,A Portugal 1993}) 11... Nd7 12. Nfg5 Rf8 13. c3 {Black must now prevent Nxf7.} Bg6 14. h4 h6 15. h5 $1 {[%cal Rh5g6]} Bxe4 $1 16. Nxe4 Kh8 17. Nxc5 Nxc5 18. Bc2 f5 19. b4 $36 {[%cal Bb2b4,Bb4b5][%mdl 2080] White is on the roll.} Nd7 20. b5 Ne7 21. Qf3 Ng8 (21... c6 $16) 22. a4 (22. Qxb7 $18 Qh4 23. Ba3 (23. Qxc7 Ngf6 $16)) 22... Qh4 (22... c6 $16 23. Ba3 (23. bxc6 bxc6 24. Ba3 c5 $16) 23... Rf6 24. bxc6 bxc6) 23. Ba3 $1 $18 (23. Qxb7 $6 Ngf6 $14) 23... Ngf6 24. Bxf8 Rxf8 25. Bd1 ({But not} 25. Qxb7 $6 Ng4 $16) 25... Ng4 26. Qg3 Qxg3 27. fxg3 Ndf6 28. Bf3 Rd8 29. Rad1 ({Much less strong is} 29. Bxb7 Rxd3 30. Rad1 Rxg3) 29... b6 30. Kf1 Kg8 31. Ke2 Kf7 32. Ra1 Nxh5 33. Bxg4 $1 fxg4 $16 {[%mdl 4096] Endgame KRR-KRN} 34. Kf2 Rxd3 35. Rxe5 Nxg3 {[#]} 36. Re3 (36. Rae1 $1 $16) 36... Rxe3 $11 37. Kxe3 {KR-KN} h5 $2 {[%mdl 8192] [#]} (37... g5 $1 $11) 38. Kf4 $1 $18 {[%cal Rf4g3]} Ne2+ 39. Kg5 Nxc3 40. Kxh5 g3 41. Rc1 Nd5 42. Kg4 Ke6 43. Kxg3 Ke5 44. Kg4 Kd4 45. Kg5 Nc3 46. g4 Nxa4 47. Rxc7 {[%mdl 64] Double Attack} Nc3 48. Rxa7 Nxb5 49. Rxg7 {White mates.} Nd6 {[#]} 50. Kf4 {Played: Rg7-d7} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.30"]
[White "Smith, Bryan"]
[Black "Huber, Benedikt"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2430"]
[BlackElo "2167"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:03]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:16]} 4. Nxd4 {[%emt 0:00:04]} Nc6 {[%emt 0:00:25]} 5. Nc3 {[%emt 0:00:10]} Qc7 {[%emt 0:00:27]} 6. Be3 {[%emt 0:00:14]} a6 {[%emt 0:00:28]} 7. Bd3 {[%emt 0:00:31]} Nf6 {[%emt 0:01:46]} 8. O-O {[%emt 0:00:11]} b5 {[%emt 0:02:00]} 9. Nxc6 {[%emt 0:01:00]} dxc6 {[%emt 0:03:19]} 10. f4 {[%emt 0:07:14]} Bb7 {[%emt 0:02:07]} 11. e5 {[%emt 0:06:00]} Nd5 {[%emt 0:01:06]} 12. Nxd5 {[%emt 0:03:48]} cxd5 {[%emt 0:00:48]} 13. Bd4 {[%emt 0:08:21]} Bc5 {[%emt 0:03:02]} 14. c3 {[%emt 0:00:21]} g6 {[%emt 0:00:58]} 15. Qd2 {[%emt 0:05:28]} h5 {[%emt 0:21:30]} 16. a4 {[%emt 0:05:03]} b4 {[%emt 0:01:26]} 17. Qe3 {[%emt 0:02:24]} Bxd4 {[%emt 0:01:39]} 18. cxd4 {[%emt 0:00:33]} Qa5 {[%emt 0:07:57]} 19. Rfc1 {[%emt 0:10:25]} Rc8 {[%emt 0:01:07]} 20. Rxc8+ {[%emt 0:01:10]} Bxc8 {[%emt 0:00:05]} 21. Rc1 {[%emt 0:00:51]} Bd7 {[%emt 0:12:37]} 22. b3 {[%emt 0:00:53]} O-O {[%emt 0:03:07]} 23. Rc5 {[%emt 0:00:26]} Qb6 {[%emt 0:00:09]} 24. a5 {[%emt 0:09:33]} Qb7 {[%emt 0:03:43]} 25. Qe2 {[%emt 0:01:20]} Ra8 {[%emt 0:01:39]} 26. Kf2 {[%emt 0:02:14]} Qa7 {[%emt 0:09:19]} 27. Ke3 {[%emt 0:07:29]} Rc8 {[%emt 0:00:44]} 28. Qc2 {[%emt 0:00:40]} Qb7 {[%emt 0:00:33]} 29. Rxc8+ {[%emt 0:02:22]} Bxc8 {[%emt 0:03:40]} 30. Qc5 {[%emt 0:01:56]} Kg7 {[%emt 0:02:19]} 31. Qd6 {[%emt 0:01:20]} Kg8 {[%emt 0:01:28]} 32. Kf3 {[%emt 0:08:23]} Kg7 {[%emt 0:01:52]} 33. Kg3 {[%emt 0:00:32]} Kh7 {[%emt 0:13:34]} 34. Qf8 {[%emt 0:03:04]} Qc7 {[%emt 0:00:43]} 35. Kh4 {[%emt 0:06:51]} f5 {[%emt 0:00:49]} 36. Qxb4 {[%emt 0:01:09]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.31"]
[White "Bopp, Thomas"]
[Black "Braeuer, Franz"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2156"]
[BlackElo "2429"]
[Annotator "ChessBase"]
[PlyCount "40"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:03]} Bb4+ {[%emt 0:00:33]} 4. Nc3 {[%emt 0:00:54]} O-O {[%emt 0:00:37]} 5. Bg2 {[%emt 0:00:27]} d5 {[%emt 0:00:16]} 6. Nf3 {[%emt 0:00:23]} dxc4 {[%emt 0:02:33]} 7. O-O {[%emt 0:00:23]} Nbd7 {[%emt 0:01:41]} 8. Qc2 {[%emt 0:02:33]} a6 {[%emt 0:19:05]} 9. Rd1 {[%emt 0:00:42]} Be7 {[%emt 0:12:02]} 10. Bf4 {[%emt 0:10:25]} Nd5 {[%emt 0:01:02]} 11. Ne5 {[%emt 0:03:38]} Nxf4 {[%emt 0:03:42]} 12. gxf4 {[%emt 0:00:10]} Nb6 {[%emt 0:05:30]} 13. e3 {[%emt 0:11:03]} f6 {[%emt 0:03:13]} 14. Be4 {[%emt 0:04:17]} f5 {[%emt 0:21:33]} 15. Bg2 {[%emt 0:01:40]} c6 {[%emt 0:00:03]} 16. Nb1 {[%emt 0:02:23]} Bd7 {[%emt 0:03:06]} 17. Nd2 {[%emt 0:01:14]} Be8 {[%emt 0:00:28]} 18. Ndxc4 {[%emt 0:00:54]} Nd5 {[%emt 0:02:11]} 19. a3 {[%emt 0:01:36]} Bh5 {[%emt 0:00:28]} 20. Rdc1 {[%emt 0:01:04]} Rc8 {[%emt 0:09:14]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.32"]
[White "Andersen, Jens Knud"]
[Black "Gschnitzer, Adrian"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2142"]
[BlackElo "2412"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:02:04]} Nf6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:39]} c5 {[%emt 0:00:00]} 3. e3 {[%emt 0:00:33]} cxd4 {[%emt 0:00:29]} 4. exd4 {[%emt 0:00:07]} Qb6 {[%emt 0:00:10]} 5. Na3 {[%emt 0:03:27]} a6 {[%emt 0:01:30]} 6. Nc4 {[%emt 0:01:01]} Qd8 {[%emt 0:00:09]} 7. c3 {[%emt 0:03:13]} b5 {[%emt 0:00:35]} 8. Ne3 {[%emt 0:00:31]} e6 {[%emt 0:01:27]} 9. Bd3 {[%emt 0:03:12]} Bb7 {[%emt 0:02:05]} 10. Nf3 {[%emt 0:00:45]} Be7 {[%emt 0:03:27]} 11. h3 {[%emt 0:00:58]} O-O {[%emt 0:00:40]} 12. O-O {[%emt 0:00:50]} Ne4 {[%emt 0:05:49]} 13. Qc2 {[%emt 0:14:19]} f5 {[%emt 0:00:36]} 14. a4 {[%emt 0:05:52]} b4 {[%emt 0:12:05]} 15. cxb4 {[%emt 0:02:07]} Nc6 {[%emt 0:01:23]} 16. b5 {[%emt 0:10:56]} Nb4 {[%emt 0:00:21]} 17. Qb3 {[%emt 0:00:40]} Nxd3 {[%emt 0:08:23]} 18. Qxd3 {[%emt 0:00:18]} g5 {[%emt 0:03:44]} 19. Be5 {[%emt 0:06:05]} axb5 {[%emt 0:03:18]} 20. axb5 {[%emt 0:00:24]} f4 {[%emt 0:02:29]} 21. Ng4 {[%emt 0:02:20]} h5 {[%emt 0:00:55]} 22. Nd2 {[%emt 0:06:06]} d5 {[%emt 0:14:58]} 23. f3 {[%emt 0:03:57]} hxg4 {[%emt 0:00:36]} 24. fxe4 {[%emt 0:01:08]} dxe4 {[%emt 0:02:44]} 25. Nxe4 {[%emt 0:00:37]} Qd5 {[%emt 0:03:46]} 26. Rxa8 {[%emt 0:02:41]} Bxa8 {[%emt 0:00:59]} 27. Re1 {[%emt 0:00:57]} Rf5 {[%emt 0:02:10]} 28. Qf1 {[%emt 0:09:20]} Bb4 {[%emt 0:13:51]} 29. Nc3 {[%emt 0:06:26]} Bxc3 {[%emt 0:02:12]} 30. bxc3 {[%emt 0:00:02]} gxh3 {[%emt 0:03:39]} 31. c4 {[%emt 0:00:37]} Qb7 {[%emt 0:01:56]} 32. c5 {[%emt 0:06:55]} hxg2 {[%emt 0:01:44]} 33. Qc4 {[%emt 0:00:23]} Qf7 {[%emt 0:01:55]} 34. c6 {[%emt 0:00:32]} f3 {[%emt 0:00:20]} 35. Kf2 {[%emt 0:00:35]} Kh7 {[%emt 0:03:48]} 36. c7 {[%emt 0:03:16]} Bb7 {[%emt 0:00:11]} 37. c8=Q {[%emt 0:00:23]} Bxc8 {[%emt 0:00:04]} 38. Qxc8 {[%emt 0:00:05]} g4 {[%emt 0:01:01]} 39. Qc7 {[%emt 0:03:34]} Qxc7 {[%emt 0:00:07]} 40. Bxc7 {[%emt 0:00:11]} Rxb5 {[%emt 0:00:06]} 41. Bg3 {[%emt 0:12:51]} Rh5 {[%emt 0:02:41]} 42. Bf4 {[%emt 0:05:39]} Rh1 {[%emt 0:00:46]} 43. Rg1 {[%emt 0:00:35]} Kg6 {[%emt 0:00:18]} 44. Be3 {[%emt 0:00:17]} Kf5 {[%emt 0:00:19]} 45. Kg3 {[%emt 0:00:38]} Rh3+ {[%emt 0:00:14]} 46. Kf2 {[%emt 0:00:14] Ke5} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.33"]
[White "Piscopo, Pierluigi"]
[Black "Loew, Gerald"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2398"]
[BlackElo "2162"]
[Annotator "ChessBase"]
[PlyCount "54"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} e5 {[%emt 0:00:12]} 4. Nge2 {[%emt 0:00:50]} Nbd7 {[%emt 0:00:41]} 5. g3 {[%emt 0:00:38]} c6 {[%emt 0:00:59]} 6. Bg2 {[%emt 0:02:26]} b5 {[%emt 0:01:19]} 7. O-O {[%emt 0:00:19]} Be7 {[%emt 0:01:58]} 8. d5 {[%emt 0:03:15]} Bb7 {[%emt 0:02:57]} 9. dxc6 {[%emt 0:16:50]} Bxc6 {[%emt 0:00:10]} 10. a4 {[%emt 0:00:03]} bxa4 {[%emt 0:25:14]} 11. Be3 {[%emt 0:14:38]} O-O {[%emt 0:05:10]} 12. h3 {[%emt 0:01:57]} Qb8 {[%emt 0:08:33]} 13. Qd3 {[%emt 0:04:11]} Qb4 {[%emt 0:05:34]} 14. g4 {[%emt 0:07:15]} Nc5 {[%emt 0:02:45]} 15. Qd2 {[%emt 0:01:57]} Rab8 {[%emt 0:05:08]} 16. Ng3 {[%emt 0:02:11]} g6 {[%emt 0:21:41]} 17. Rfb1 {[%emt 0:10:47]} Rfc8 {[%emt 0:03:50]} 18. Qd1 {[%emt 0:12:12]} Rc7 {[%emt 0:01:40]} 19. g5 {[%emt 0:08:54]} Nfd7 {[%emt 0:00:53]} 20. Nd5 {[%emt 0:02:28]} Bxd5 {[%emt 0:00:07]} 21. exd5 {[%emt 0:00:03]} Rcb7 {[%emt 0:04:10]} 22. b3 {[%emt 0:02:41]} axb3 {[%emt 0:00:58]} 23. cxb3 {[%emt 0:00:01]} Qh4 {[%emt 0:01:34]} 24. Qg4 {[%emt 0:02:08]} Qxg4 {[%emt 0:00:15]} 25. hxg4 {[%emt 0:00:01]} Nxb3 {[%emt 0:02:35]} 26. Rxa7 {[%emt 0:00:19]} Rxa7 {[%emt 0:01:34]} 27. Bxa7 {[%emt 0:00:05]} Ra8 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.34"]
[White "Viebahn, Dirk"]
[Black "Padmini, Rout"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2137"]
[BlackElo "2394"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:07]} 3. Bb5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:27]} 4. d3 {[%emt 0:00:26]} Bc5 {[%emt 0:00:32]} 5. O-O {[%emt 0:00:39]} Nd4 {[%emt 0:00:23]} 6. Nxd4 {[%emt 0:00:38]} Bxd4 {[%emt 0:00:08]} 7. c3 {[%emt 0:02:06]} Bb6 {[%emt 0:00:11]} 8. Be3 {[%emt 0:06:57]} c6 {[%emt 0:07:40]} 9. Ba4 {[%emt 0:01:06]} Bxe3 {[%emt 0:07:57]} 10. fxe3 {[%emt 0:00:10]} Qb6 {[%emt 0:01:21]} 11. Qe2 {[%emt 0:01:30]} d6 {[%emt 0:00:57]} 12. Na3 {[%emt 0:08:14]} Be6 {[%emt 0:02:16]} 13. Bb3 {[%emt 0:06:50]} Bxb3 {[%emt 0:02:55]} 14. axb3 {[%emt 0:00:17]} d5 {[%emt 0:00:22]} 15. exd5 {[%emt 0:02:15]} cxd5 {[%emt 0:00:15]} 16. d4 {[%emt 0:05:24]} O-O {[%emt 0:00:42]} 17. dxe5 {[%emt 0:08:37]} Nd7 {[%emt 0:00:33]} 18. Qb5 {[%emt 0:03:55]} Qe6 {[%emt 0:05:29]} 19. e4 {[%emt 0:00:49]} dxe4 {[%emt 0:01:00]} 20. Nc4 {[%emt 0:00:40]} b6 {[%emt 0:05:38]} 21. Rad1 {[%emt 0:09:34]} Nc5 {[%emt 0:00:27]} 22. Rd6 {[%emt 0:09:32]} Qg4 {[%emt 0:11:52]} 23. b4 {[%emt 0:03:49]} Nd3 {[%emt 0:03:07]} 24. Qd7 {[%emt 0:06:09]} Qe2 {[%emt 0:06:35]} 25. Qh3 {[%emt 0:11:31]} Rae8 {[%emt 0:11:45]} 26. Rd7 {[%emt 0:04:08]} Nc5 {[%emt 0:13:44]} 27. bxc5 {[%emt 0:01:59]} Qxc4 {[%emt 0:00:02]} 28. cxb6 {[%emt 0:00:22]} Qc5+ {[%emt 0:00:20]} 29. Kh1 {[%emt 0:03:36]} axb6 {[%emt 0:00:07]} 30. e6 {[%emt 0:01:03]} fxe6 {[%emt 0:00:14]} 31. Re1 {[%emt 0:01:51]} Qf2 {[%emt 0:01:37]} 32. Rg1 {[%emt 0:00:06]} e3 {[%emt 0:02:47]} 33. Qg4 {[%emt 0:00:35]} Rf7 {[%emt 0:01:42]} 34. Rxf7 {[%emt 0:00:11]} Kxf7 {[%emt 0:03:49]} 35. Qh5+ {[%emt 0:00:24]} Kf8 {[%emt 0:00:38]} 36. Qxh7 {[%emt 0:01:50]} e2 {[%emt 0:01:29]} 37. Qh8+ {[%emt 0:00:45]} Ke7 {[%emt 0:01:46]} 38. Qxg7+ {[%emt 0:00:14]} Kd6 {[%emt 0:00:03]} 39. Qd4+ {[%emt 0:00:00] Ke5} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.35"]
[White "Atakisi, Umut"]
[Black "Renner, Kai"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2393"]
[BlackElo "2153"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:22]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:00]} a6 {[%emt 0:00:20]} 5. Nc3 {[%emt 0:00:00]} Qc7 {[%emt 0:00:30]} 6. g3 {[%emt 0:00:03]} Nf6 {[%emt 0:08:24]} 7. Bg2 {[%emt 0:02:16]} d6 {[%emt 0:02:09]} 8. O-O {[%emt 0:00:12]} Be7 {[%emt 0:00:47]} 9. Re1 {[%emt 0:04:37]} Nc6 {[%emt 0:08:03]} 10. Nxc6 {[%emt 0:05:18]} bxc6 {[%emt 0:00:07]} 11. e5 {[%emt 0:14:16]} dxe5 {[%emt 0:02:58]} 12. Rxe5 {[%emt 0:00:12]} Bd6 {[%emt 0:23:51]} 13. Qf3 {[%emt 0:08:49]} Bxe5 {[%emt 0:09:15]} 14. Qxc6+ {[%emt 0:00:39]} Qxc6 {[%emt 0:00:14]} 15. Bxc6+ {[%emt 0:00:04]} Bd7 {[%emt 0:00:10]} 16. Bxa8 {[%emt 0:00:07]} O-O {[%emt 0:03:20]} 17. Bb7 {[%emt 0:01:24]} Bxc3 {[%emt 0:01:49]} 18. bxc3 {[%emt 0:00:20]} Bb5 {[%emt 0:00:47]} 19. a4 {[%emt 0:14:49]} Bc4 {[%emt 0:04:33]} 20. a5 {[%emt 0:17:04]} Rb8 {[%emt 0:09:58]} 21. Bg2 {[%emt 0:02:38]} Nd5 {[%emt 0:01:03]} 22. Bf1 {[%emt 0:00:50]} Bxf1 {[%emt 0:01:06]} 23. Kxf1 {[%emt 0:00:07]} Nxc3 {[%emt 0:00:22]} 24. Ra3 {[%emt 0:01:23]} Nd5 {[%emt 0:01:42]} 25. Ke2 {[%emt 0:01:31]} f6 {[%emt 0:08:44]} 26. c4 {[%emt 0:03:08]} Nb4 {[%emt 0:06:12]} 27. Bd2 {[%emt 0:00:56]} Kf7 {[%emt 0:01:20]} 28. Bxb4 {[%emt 0:06:30]} Rxb4 {[%emt 0:00:03]} 29. Kd3 {[%emt 0:01:47]} Ke7 {[%emt 0:02:43]} 30. Kc3 {[%emt 0:00:33]} Rb1 {[%emt 0:00:10]} 31. Ra2 {[%emt 0:00:25]} Kd6 {[%emt 0:00:26]} 32. Rd2+ {[%emt 0:00:29]} Kc6 {[%emt 0:00:45]} 33. Rd8 {[%emt 0:00:46]} Rc1+ {[%emt 0:00:31]} 34. Kb3 {[%emt 0:00:02]} Rb1+ {[%emt 0:00:28]} 35. Kc2 {[%emt 0:00:27]} Ra1 {[%emt 0:00:04]} 36. Rg8 {[%emt 0:01:26]} Rxa5 {[%emt 0:02:26]} 37. Rxg7 {[%emt 0:00:04]} Ra2+ {[%emt 0:00:24]} 38. Kb3 {[%emt 0:01:43]} Rxf2 {[%emt 0:00:08]} 39. Rxh7 {[%emt 0:00:05]} e5 {[%emt 0:01:11]} 40. g4 {[%emt 0:05:48]} Kc5 {[%emt 0:01:03]} 41. Rc7+ {[%emt 0:33:31]} Kb6 {[%emt 0:02:51]} 42. Rh7 {[%emt 0:00:00]} Kc5 {[%emt 0:00:05]} 43. Rc7+ {[%emt 0:00:00]} Kb6 {[%emt 0:00:05]} 44. Rf7 {[%emt 0:00:00]} Rxh2 {[%emt 0:00:13]} 45. Rxf6+ {[%emt 0:00:00]} Kc5 {[%emt 0:00:17]} 46. Rxa6 {[%emt 0:00:00]} Rh3+ {[%emt 0:00:23]} 47. Kc2 {[%emt 0:00:00]} Rg3 {[%emt 0:02:45]} 48. Ra5+ {[%emt 0:00:00]} Kxc4 {[%emt 0:02:27]} 49. Kd2 {[%emt 0:00:00]} e4 {[%emt 0:01:25]} 50. Ke2 {[%emt 0:00:00]} Rxg4 {[%emt 0:00:19]} 51. Ke3 {[%emt 0:00:00]} Rh4 {[%emt 0:00:14]} 52. Re5 {[%emt 0:00:00]} Kb4 {[%emt 0:00:12]} 53. Rxe4+ {[%emt 0:00:00]} Rxe4+ {[%emt 0:00:05]} 54. Kxe4 {[%emt 0:00:00]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.36"]
[White "Hess, Max"]
[Black "Minko, Dmitry"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2373"]
[BlackElo "2143"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,97,-4,-15,14,-3,0,-48,-46,-83,-65,-73,-51,-42,-35,-56,-12,-9,-13,-28,-27,-45,-20,-35,0,0,0,0,45,0,0,0,0,0,0,0,12,13,13,21,27,18,17,17,17,25,20,0,0,0,0,0,163,143,256,252,271,275,270,0,0,0,0,0,0,0,0,0,0,0,0,0,5277,11058,29968,29970,29970,29969,29985,29986,29985,29986,29986,29987,29991,29992]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O c5 5. d3 Nc6 6. Nbd2 Be7 7. e4 O-O 8. Re1 Nd7 {C00: French: Unusual White 2nd moves} (8... Qc7 9. e5 Nd7 10. Qe2 b5 11. Nf1 Bb7 12. Bf4 Rfc8 13. h4 Qd8 14. h5 h6 15. N1h2 b4 16. Ng4 Bf8 17. Qd2 Ne7 18. Ne3 d4 19. Nc4 Nd5 {½-½ (64) Wang,H (2726)-Dominguez Perez,L (2763) Khanty-Mansiysk 2019}) 9. Nf1 Bf6 10. c3 $146 ({Predecessor:} 10. Ne3 d4 11. Nc4 Be5 12. Nfxe5 Ncxe5 13. Nxe5 Nxe5 14. Qh5 Nc6 15. Qxc5 e5 16. c4 dxc3 17. Qxc3 {½-½ (30) Vallverdu Miret,O (2076)-Perez Cabas,J (1964) Lleida 2011}) 10... d4 {Black is slightly better.} 11. c4 Qc7 12. h4 Rb8 13. N1h2 b5 14. b3 a5 15. Ng4 e5 16. Nxf6+ Nxf6 17. Nh2 a4 18. f4 axb3 19. axb3 bxc4 20. bxc4 Qb6 21. fxe5 Nxe5 22. Bf4 Nfg4 23. Nxg4 Bxg4 24. Qd2 f6 25. Bxe5 {[%mdl 64] Overworked Piece} fxe5 26. Qg5 {[%mdl 64] Double Attack} Qe6 27. Ra7 {[%csl Ga7][%cal Rg5g7]} Rf7 28. Rxf7 Kxf7 29. Ra1 $36 {[%mdl 2048] White is pushing.} Rb7 30. Ra5 h6 31. Qd8 Rb1+ 32. Kh2 {Strongly threatening Ra7+.} Rb2 $2 (32... Qf6 $11 {and Black has nothing to worry.} 33. Ra7+ Kg6 34. Qe8+ Kh7) 33. Rb5 $18 ({Not} 33. Rxc5 $2 Bf3 $19) ({Stronger than} 33. Ra7+ Kg6 $11) 33... Rxb5 (33... Rb4 $16) 34. cxb5 Qd7 35. Qa5 Qe7 36. Bh3 $2 ({White should try} 36. b6 $18 Bc8 37. Qa2+ Kf8 38. Bh3) 36... Bxh3 $11 37. Kxh3 {[%mdl 4096] Endgame Black must now prevent b6. KQ-KQ} Qe6+ 38. Kg2 {aiming for b6.} Qb3 39. Qc7+ Kg8 $1 40. b6 Qxd3 41. Qc8+ Kf7 42. Qf5+ {[%mdl 64] Double Attack} Ke7 $2 {[%mdl 8192]} (42... Kg8 $11) 43. b7 $18 Qc2+ 44. Kh3 {White mates.} Qb1 45. Qxe5+ {[%mdl 64] Double Attack} Kd7 46. b8=Q {[%csl Gb8][%cal Re5e8]} Qf1+ {[#]} 47. Kg4 $1 {[%csl Gb8][%cal Re5e8]} Qe2+ {[#]} 48. Kf5 $1 {[%csl Gb8][%cal Re5e8]} Qf3+ {[#]} 49. Kg6 $1 {Accuracy: White = 47%, Black = 42%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.37"]
[White "Gschwendtner, Klaus"]
[Black "Zude, Arno"]
[Result "0-1"]
[ECO "C75"]
[WhiteElo "2133"]
[BlackElo "2372"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,130,37,28,16,15,14,10,17,1,19,0,10,3,39,14,15,0,0,-3,13,15,15,-10,-16,-8,-4,-17,-8,-8,-8,-12,-8,-8,-8,-8,-8,-12,-13,-29,-35,-40,-23,-40,-50,-68,0,0,0,-28,-39,-56,-39,-50,-38,-41,-41,-50,-51,-45,-51,-36,-32,-59,-33,-26,-34,-79,0,0,13,13,46,0,0,-12,-12,-12,-12,-12,-12,-29,-29,-29,-30,-30,-29,-37,-38,-335,-3,-4,-4,-122,-122,-123,-123,-123,-123,-567,-362,-954,-730,-968,-854,-1513,-1416,-3292,-2647,-3441,-5122,-5122,-2717,-29983,-29981]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 g6 8. d3 Bg7 9. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3,Be3g4][%mdl 32]} O-O 10. Nf1 Re8 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} 11. Bg5 h6 12. Bh4 Qc8 {The position is equal.} 13. Ne3 {[#]} b5 $146 ({Predecessor:} 13... Ne7 14. Bc2 Nh5 15. d4 Nc6 16. Qd2 exd4 17. Nxd4 Ne5 18. Rad1 b5 19. Nd5 {1-0 (31) Morozevich,A (2724)-Mamedyarov,S (2757) Sochi 2014}) 14. Bb3 Na5 {[%cal Bc6a5,Ba5b7,Bb7c5][%mdl 32]} 15. Bc2 c6 16. h3 Nb7 17. Nh2 Nc5 18. Neg4 Nh7 19. d4 Ne6 20. dxe5 dxe5 21. Bb3 Nc5 22. Bc2 g5 23. Bg3 h5 24. Nxe5 Bxe5 25. Bxe5 Rxe5 26. Qd4 Qc7 27. Nf3 Rae8 28. Rad1 Nf8 29. Nxe5 Qxe5 30. Qxe5 Rxe5 31. f3 Be6 (31... Re7 $15) 32. Rd6 $11 Bd7 33. Red1 Re7 34. b4 Nb7 $1 {[%cal Rb7d6]} 35. R6d2 Be8 36. a4 Ng6 37. Kf2 h4 38. axb5 axb5 39. Bb3 Kg7 40. Ra1 Kf6 41. Ra8 Ne5 42. Ke3 Ng6 ({Better is} 42... Bd7 $17) 43. c4 bxc4 44. Bxc4 {White wants to play Ba6.} Ke5 45. Bf1 (45. Rxe8 $5 Rxe8 46. Bxf7 $16 {[%mdl 64] Double Attack}) 45... f6 46. b5 cxb5 47. Rd5+ Ke6 48. Ra6+ Kf7 49. Rb6 Ne5 50. Bxb5 Bxb5 51. Rbxb5 Nd6 52. Rb8 Ra7 {aiming for ...Ra2.} 53. Rd8 $2 {[%mdl 8192]} ({White has to play} 53. Kf2 $1 $15 Ra2+ 54. Kg1) 53... Ra2 $2 (53... Ndc4+ $19 54. Kd4 Ra2) 54. R8xd6 {[%mdl 4096] Endgame KRR-KRN} Nc4+ {[%mdl 64] [#] Double Attack} 55. Kd4 (55. Kd3 $1 $11 Nxd6 56. Rxd6) 55... Nxd6 $17 56. Rxd6 {KR-KR} Rd2+ 57. Kc5 Rxg2 58. Kd5 $2 {[%mdl 8192] [#]} (58. Rd7+ $17 Ke6 59. Rd6+ Ke7 60. Rb6) 58... Rd2+ $19 59. Kc6 $2 (59. Kc5 Rh2 60. Rd7+ Ke6 61. Rd6+ Ke7 62. e5 fxe5 63. Rg6 Rxh3 64. Kd5 Rxf3 65. Rxg5) 59... Rh2 60. Rd7+ Kg6 61. Rd6 Rxh3 62. e5 Rxf3 63. e6 Re3 64. Kd7 h3 65. e7 Kf7 {Accuracy: White = 33%, Black = 66%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.38"]
[White "Moehn, Hans"]
[Black "Babar, Michael"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2370"]
[BlackElo "2137"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. b3 {[%emt 0:00:00]} c5 {[%emt 0:01:35]} 2. Bb2 {[%emt 0:00:02]} Nc6 {[%emt 0:00:05]} 3. Nf3 {[%emt 0:00:32]} d6 {[%emt 0:02:45]} 4. d4 {[%emt 0:00:41]} cxd4 {[%emt 0:00:44]} 5. Nxd4 {[%emt 0:00:06]} Bd7 {[%emt 0:02:15]} 6. c4 {[%emt 0:04:14]} Nf6 {[%emt 0:07:22]} 7. Nc3 {[%emt 0:10:43]} Qa5 {[%emt 0:11:46]} 8. e3 {[%emt 0:08:37]} g6 {[%emt 0:08:42]} 9. Be2 {[%emt 0:02:52]} Bg7 {[%emt 0:03:58]} 10. O-O {[%emt 0:00:38]} O-O {[%emt 0:00:54]} 11. Rc1 {[%emt 0:02:08]} Rac8 {[%emt 0:02:20]} 12. a3 {[%emt 0:04:22]} Nxd4 {[%emt 0:06:30]} 13. exd4 {[%emt 0:02:14]} Bh6 {[%emt 0:04:28]} 14. Ra1 {[%emt 0:04:54]} a6 {[%emt 0:05:55]} 15. Re1 {[%emt 0:05:28]} e6 {[%emt 0:03:59]} 16. b4 {[%emt 0:04:41]} Qd8 {[%emt 0:00:53]} 17. Qb3 {[%emt 0:02:02]} Bd2 {[%emt 0:09:31]} 18. Red1 {[%emt 0:04:01]} Bxc3 {[%emt 0:00:08]} 19. Bxc3 {[%emt 0:00:50]} d5 {[%emt 0:00:06]} 20. c5 {[%emt 0:00:11]} Bb5 {[%emt 0:05:01]} 21. Bf3 {[%emt 0:02:54]} Bc4 {[%emt 0:01:36]} 22. Qc2 {[%emt 0:00:33]} Ne8 {[%emt 0:03:45]} 23. Bd2 {[%emt 0:00:44]} Qf6 {[%emt 0:01:11]} 24. Bh6 {[%emt 0:00:23]} Ng7 {[%emt 0:00:04]} 25. Qd2 {[%emt 0:00:07]} Qe7 {[%emt 0:00:34]} 26. Re1 {[%emt 0:02:48]} Rfe8 {[%emt 0:03:36]} 27. Bg4 {[%emt 0:05:31]} Rc6 {[%emt 0:05:10]} 28. Re3 {[%emt 0:04:25]} f6 {[%emt 0:02:57]} 29. Rae1 {[%emt 0:00:42]} Qf7 {[%emt 0:00:20]} 30. Rf3 {[%emt 0:02:18]} Nf5 {[%emt 0:02:11]} 31. Bf4 {[%emt 0:03:29]} Ng7 {[%emt 0:00:20]} 32. Bd6 {[%emt 0:00:50]} h5 {[%emt 0:01:42]} 33. Bh3 {[%emt 0:01:08]} g5 {[%emt 0:00:37]} 34. g4 {[%emt 0:03:18]} h4 {[%emt 0:00:40]} 35. Be5 {[%emt 0:00:45]} Nf5 {[%emt 0:02:53]} 36. gxf5 {[%emt 0:01:00]} fxe5 {[%emt 0:00:27]} 37. Qxg5+ {[%emt 0:02:58]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.39"]
[White "Fiedorek, Michal"]
[Black "Tillmann, Markus"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2343"]
[BlackElo "2136"]
[Annotator "ChessBase"]
[PlyCount "84"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:33]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:05]} 4. Ba4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:04]} 5. O-O {[%emt 0:00:18]} Be7 {[%emt 0:03:49]} 6. Re1 {[%emt 0:00:11]} b5 {[%emt 0:00:13]} 7. Bb3 {[%emt 0:00:07]} d6 {[%emt 0:00:25]} 8. a4 {[%emt 0:00:19]} Bg4 {[%emt 0:14:07]} 9. c3 {[%emt 0:01:08]} Rb8 {[%emt 0:04:20]} 10. axb5 {[%emt 0:04:02]} axb5 {[%emt 0:00:17]} 11. d4 {[%emt 0:03:07]} Bxf3 {[%emt 0:02:51]} 12. gxf3 {[%emt 0:00:38]} Qd7 {[%emt 0:06:56]} 13. Kg2 O-O {[%emt 0:02:24]} 14. d5 {[%emt 0:18:12]} Nd8 {[%emt 0:00:15]} 15. f4 {[%emt 0:02:36]} Kh8 {[%emt 0:06:12]} 16. Qf3 {[%emt 0:13:00]} b4 {[%emt 0:09:49]} 17. cxb4 {[%emt 0:08:20]} Rxb4 {[%emt 0:01:36]} 18. Bd2 {[%emt 0:00:43]} Rb8 {[%emt 0:01:40]} 19. Ba4 {[%emt 0:00:44]} Qc8 {[%emt 0:01:16]} 20. Bc3 {[%emt 0:01:12]} exf4 {[%emt 0:02:21]} 21. Qxf4 {[%emt 0:01:39]} Ng4 {[%emt 0:03:06]} 22. h3 {[%emt 0:19:52]} Ne5 {[%emt 0:00:17]} 23. Bc2 {[%emt 0:00:47]} Bf6 {[%emt 0:06:31]} 24. Qg3 {[%emt 0:02:14]} Rg8 {[%emt 0:10:37]} 25. Nd2 {[%emt 0:04:27]} Qd7 {[%emt 0:05:33]} 26. Nf3 {[%emt 0:06:39]} Nc4 {[%emt 0:01:07]} 27. Nd4 {[%emt 0:01:24]} c5 {[%emt 0:03:32]} 28. dxc6 {[%emt 0:01:35]} Nxc6 {[%emt 0:00:56]} 29. Ba4 {[%emt 0:03:36]} Bxd4 {[%emt 0:02:44]} 30. Bxd4 {[%emt 0:00:39]} Qb7 {[%emt 0:00:50]} 31. Bc3 {[%emt 0:01:05]} N4e5 {[%emt 0:03:42]} 32. Rad1 {[%emt 0:01:38]} f5 {[%emt 0:02:05]} 33. Rxd6 {[%emt 0:04:18]} Ra8 {[%emt 0:02:03]} 34. Bc2 {[%emt 0:01:33]} f4 {[%emt 0:00:23]} 35. Qxf4 {[%emt 0:00:40]} Rgf8 {[%emt 0:00:44]} 36. Qc1 {[%emt 0:00:36]} Nf3 {[%emt 0:00:37]} 37. Re3 {[%emt 0:00:29]} Qc7 {[%emt 0:00:43]} 38. Qd1 {[%emt 0:00:33]} Nce5 {[%emt 0:01:46]} 39. Re2 {[%emt 0:00:26]} Qe7 {[%emt 0:00:42]} 40. Bxe5 {[%emt 0:00:30]} Qxe5 {[%emt 0:00:14]} 41. Re3 {[%emt 0:06:38]} Qh2+ {[%emt 0:03:51]} 42. Kf1 {[%emt 0:00:05]} Nd4 {[%emt 0:05:56]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.40"]
[White "Singer, Christoph"]
[Black "Smits, Mark"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2339"]
[BlackElo "2132"]
[Annotator "ChessBase"]
[PlyCount "52"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:00]} g6 {[%emt 0:00:49]} 4. d4 {[%emt 0:06:24]} exd4 {[%emt 0:00:52]} 5. Nxd4 {[%emt 0:05:28]} Bg7 {[%emt 0:01:01]} 6. Nxc6 {[%emt 0:02:07]} bxc6 {[%emt 0:00:23]} 7. O-O {[%emt 0:00:09]} Ne7 {[%emt 0:01:46]} 8. Nc3 {[%emt 0:00:11]} d6 {[%emt 0:00:20]} 9. Be3 {[%emt 0:00:21]} O-O {[%emt 0:02:48]} 10. Bd4 {[%emt 0:00:08]} Be6 {[%emt 0:03:54]} 11. Bxg7 {[%emt 0:01:40]} Kxg7 {[%emt 0:00:06]} 12. Bb3 {[%emt 0:02:05]} Qd7 {[%emt 0:01:17]} 13. Qd4+ {[%emt 0:16:28]} f6 {[%emt 0:01:06]} 14. Rad1 {[%emt 0:00:19]} Bxb3 {[%emt 0:09:21]} 15. axb3 {[%emt 0:00:28]} Qe6 {[%emt 0:00:21]} 16. Rfe1 {[%emt 0:06:32]} a5 {[%emt 0:10:27]} 17. f4 {[%emt 0:12:05]} c5 {[%emt 0:03:42]} 18. Qd2 {[%emt 0:03:11]} Nc6 {[%emt 0:02:28]} 19. Nd5 {[%emt 0:02:25]} Qf7 {[%emt 0:00:45]} 20. Ra1 {[%emt 0:08:23]} Nd4 {[%emt 0:03:28]} 21. Ra3 {[%emt 0:06:10]} f5 {[%emt 0:02:16]} 22. Ra4 {[%emt 0:04:25]} fxe4 {[%emt 0:12:17]} 23. Rxd4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:09]} 24. Qxd4+ {[%emt 0:00:03]} Kg8 {[%emt 0:00:14]} 25. Rxe4 {[%emt 0:01:35]} c5 {[%emt 0:12:05]} 26. Qc4 {[%emt 0:01:42]} Ra7 {[%emt 0:02:42]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.41"]
[White "Juergens, Klaus"]
[Black "Faerber, David"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2121"]
[BlackElo "2332"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,4,-1,-43,9,-4,49,-1,7,-25,-25,-22,-25,-30,-22,-21,-20,-34,-10,-9,0,0,0,-6,0,0,53,16,102,65,72,68,66,7,4,4,9,-5,-1,0,-6,-7,-10,-69,-51,-77,-21,-19,-12,-12,-8,-13,0,0,0,0,0,0,0,0,0,0,0,-6,0,0,0,0,0,0,0,0,0,-7,0,0,53,0,70,0,0,-7,0,-7,20,-7,25,25,31,42,42,42,211,177,260]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. O-O Ngf6 5. b3 (5. h3 Bh5 6. d3 e5 7. e4 dxe4 8. dxe4 Nxe4 9. Re1 Bxf3 10. Qxf3 Nd6 {½-½ (10) Sargissian,G (2680)-Korobov,A (2664) Abu Dhabi 2018}) 5... e5 6. Bb2 {A07: Réti Opening: New York and Capablanca Systems} Bd6 (6... e4 $15 7. Nd4 c5) 7. d4 {[%cal Rd4e5]} Qe7 $146 (7... e4 $11 8. Ne5 Be6) ({Predecessor:} 7... e4 8. Ne5 Bf5 9. c4 c6 10. Nd2 O-O 11. f3 Re8 12. fxe4 Bxe4 13. Nxe4 dxe4 14. Nxd7 Qxd7 {1-0 (52) Pokhvalit,A-Geyko,R (1931) Barnaul 2011}) 8. dxe5 {White is slightly better.} Nxe5 9. Nxe5 Bxe5 10. Bxe5 Qxe5 {[%mdl 64] Double Attack} 11. Nd2 O-O-O 12. Nf3 Bxf3 13. Bxf3 h5 14. Qd2 g5 15. Rad1 h4 16. Qd4 Qxd4 17. Rxd4 c5 (17... h3 $11) 18. Rd3 Rd6 (18... Kc7 $11 {remains equal.}) 19. Rfd1 {[%cal Rf3d5]} hxg3 20. hxg3 {[%cal Rf3d5]} d4 {[#]} 21. c3 (21. b4 $1 $14 {[%mdl 512]}) 21... Rhd8 $11 22. cxd4 Rxd4 23. Rc1 b6 24. Rxd4 Rxd4 {[%mdl 4096] Endgame KRB-KRN} 25. e3 Rd2 26. a4 (26. Rd1 $11 Rxd1+ 27. Bxd1) 26... Rb2 $15 27. Rc3 a5 (27... g4 $17 28. Ba8 Kb8) 28. g4 $11 Kc7 29. Kg2 Kd6 30. Kg3 Ke7 31. Bb7 Ne8 32. Bd5 Nd6 33. Kf3 Rd2 34. Bc6 f6 35. Kg3 Rd1 36. Bf3 Rg1+ 37. Kh2 Rb1 38. Bd5 Rd1 39. Bf3 Rd2 (39... Re1 {with more complications.} 40. Bd5 Ra1 41. Kg2 Rd1 42. Bf3 Rb1) 40. Kg3 Nf7 41. Be4 Nd8 42. Kf3 Ne6 (42... Rb2 $11) 43. Bf5 (43. Rd3 $14 Rb2 44. Bc6) 43... Nd8 ({Better is} 43... Rb2 $11) 44. Be4 ({White should try} 44. Rd3 $14 Rxd3 45. Bxd3) 44... Nf7 45. Kg3 Ne5 46. Bf5 Rd1 47. Kg2 (47. f4 $5 {[%cal Rf4e5]} Nf7 48. Rd3 Rxd3 49. Bxd3 $11) 47... Kd6 48. f4 Nc6 49. Rd3+ Rxd3 50. Bxd3 Nb4 $2 {[#]} (50... gxf4 $14 51. exf4 Kd5) 51. Bc4 $1 $18 Ke7 {[%mdl 32768] Accuracy: White = 60%, Black = 22%. . An unexpected result.} (51... Nc2 {might work better.}) 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.42"]
[White "Thiel, Fabian"]
[Black "Ludvik, Tomas"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2109"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,31,-1,10,0,15,-31,7,-23,-17,-31,0,-4,37,0,58,57,64,57,61,43,64,49]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d3 c5 7. cxd5 {A14: English Opening: 1...e6 with b3 by White} (7. Ne5 Nbd7 8. Bf4 Nxe5 9. Bxe5 b6 10. Nc3 Bb7 11. Qa4 Qc8 12. cxd5 Nxd5 13. Qg4 Nf6 14. Qh3 Rd8 {1-0 (49) Hammer,J (2662)-Lenderman,A (2626) Saint Louis 2018}) 7... exd5 8. Nc3 Nc6 (8... d4 $5 {[%cal Rd4c3]} 9. Ne4 Nxe4 10. dxe4 Nc6 $15) 9. e4 {The position is equal.} d4 10. Ne2 Qb6 11. Nf4 $146 ({Predecessor:} 11. Nd2 Qa6 12. Nf4 Ne5 13. Qe2 Re8 14. b3 g5 15. Nd5 Nxd5 16. exd5 Nxd3 17. d6 Nxc1 18. Qxa6 bxa6 19. Raxc1 Rb8 20. Bc6 {1-0 (20) Garriga Cazorla,P (2056)-Garcia Acosta,R (1894) Barcelona 2012}) 11... Re8 12. Re1 (12. e5 $5 {[%cal Re5f6]} Ng4 13. Re1 $11) 12... Bf8 (12... Bg4 $11) 13. e5 $1 $36 {[%cal Re5f6][%mdl 2048] White is slightly better. White fights for an advantage.} Ng4 {[%cal Rg4e5]} 14. e6 $1 {[%cal Re6f7]} fxe6 15. Ng5 Nf6 $1 16. Ngxe6 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.43"]
[White "Santagati, Alessandro"]
[Black "Kaiser, Elmar"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2288"]
[BlackElo "2131"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,160,27,24,26,35,26,96,105,97,98,117,114,142,46,86,28,152,98,104,102,130,35,36,38,54,-125,-123,-178,-183,-171,-180,-154,-170,-191,-197,-191,-158,-158,-158,-154,-154,-152,-127,-222,-247,-251,-139,-215,-203,-909,-912,-1050,-388,-896,-278,-263,-133,-118,-117,-148,-145,-217,-204,-481,-299,-277,-209,-205,-210,-504,-485,-543,-319,-541,-534,-527,-522,-490,-453,-437,-450,-448,-431,-437,-392,-360,-254,-278,-225,-225,-225,-225,-214,-225,-225,-225,-215,-242,-221,-278,-131,-131,-131,-278,-278,-278,-278,-233,-138,-321,-315,-322,-291,-164,-164,-483,-453,-430,-419,-385,-370,-318,-278,-2899,-1550,-1399,-906,-6628,-5610,-29969,-29971,-5622,-1464,-29974,-29969,-29979,-29980,-29981,-29981,-29978,-29978,-29984,-29985]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 exd4 6. e5 d5 7. exf6 dxc4 8. fxg7 Rg8 9. Re1+ Be7 10. Bg5 Be6 11. Bxe7 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} Qxe7 (11... Kxe7 12. Re4 d3 13. Na3 Qd5 14. Rxc4 Rxg7 15. Qxd3 Qxd3 16. cxd3 Bxc4 17. Nxc4 Rd8 18. Re1+ Kf8 19. Re3 f6 {0-1 (40) Jones,G (2556)-Bruzon Batista,L (2641) ICC INT 2010}) 12. Nxd4 O-O-O (12... Rd8 $11 13. c3 Nxd4 14. cxd4 Rxg7) 13. Nxc6 $16 {White is better.} bxc6 14. Qf3 Rxg7 15. Nc3 ({Avoid the trap} 15. Qxc6 $2 Bd5 $19) 15... Qg5 16. h4 $146 ({But not} 16. Qxc6 $2 Bd5 $1 $19 {[%mdl 512]}) (16. g3 $1 $16) ({Predecessor:} 16. g3 Bd5 17. Nxd5 cxd5 18. Qa3 Kb7 {1-0 (49) Noetzel,F (2216)-Jansen,R (1751) Berlin 2018}) 16... Qc5 {White should prevent ...Rdg8.} 17. Ne4 ({White should play} 17. g3 $16) 17... Qd4 (17... Qf5 $11 18. Qa3 a5) 18. c3 (18. Rad1 $142 Bg4 19. Rxd4 Bxf3 20. Rxd8+ Kxd8 21. Nf6) 18... Qd3 {White must now prevent ...Qxf3.} 19. Re3 $1 {[%cal Re3d3]} Qc2 20. Qe2 (20. b3 $16) 20... Qxe2 $14 21. Rxe2 Bd5 22. Rae1 $2 (22. f3 $14 {keeps the upper hand.}) 22... f5 $1 $17 23. Nc5 (23. Ng5 $17 {was necessary.} h6 24. Ne6 Rxg2+ 25. Kf1) 23... Rxg2+ $19 24. Kf1 Rh2 {[%cal Rh2h1]} 25. f3 Rxh4 26. Re7 Bxf3 27. Kf2 {[#]} Be4 $1 28. Rg1 (28. Nxe4 fxe4) 28... Rh2+ 29. Ke3 {[#]} f4+ $1 30. Kxf4 {Strongly threatening Rgg7.} Bg6 31. b4 (31. Ne6 $17) 31... Rf2+ 32. Kg3 Rf5 (32... Rc2 $19 33. Ne6 Rxc3+ 34. Kf4 Rd2 35. Rxc7+ Kb8) 33. Rge1 (33. Kh4 $17) 33... Rg8 $1 34. Kg4 $2 (34. R1e3) 34... Rf2 35. Kh4 {[#]} Bf7 $2 (35... Be4 $1 {[%cal Rf2h2][%mdl 512]} 36. Re3 (36. Nxe4 Rh2#) 36... Rf4+ 37. Kh5 Bf3+ 38. Rxf3 Rxf3) 36. R1e3 $2 (36. Kh3 Rf6 37. R1e4) 36... Rf5 $2 (36... Rf6 {[%cal Rf6h6]} 37. R3e6 Rf4+ 38. Kh3 Bxe6+ 39. Rxe6 Rf3+ {[%mdl 64] Double Attack} 40. Kh2 Rxc3) 37. R7e5 Rf6 (37... Rf1 $19 {Hoping for ...Rh1+.} 38. Ne4 Rf4+ 39. Kh3 Bg6) 38. Rg5 $17 {White wants to mate with Rxg8+.} Bg6 39. Rg4 Rf1 40. Rh3 (40. a4 $17) 40... Rgf8 $19 {Threatens to win with ...Bf5.} 41. Rd4 $2 (41. Rh2 {was called for.}) 41... R8f5 {...Rg1 is the strong threat.} 42. Ne6 {intending Rd8+.} Rd5 43. Re3 Rg1 {[%csl Gg6][%cal Rd5h5]} 44. Nf4 $2 (44. Rxd5 cxd5 45. Nc5) 44... Rdg5 45. Rf3 R1g4+ 46. Kh3 Bf5 {( -> ...Rxf4+)} 47. Kh2 Rh4+ 48. Nh3 Rxd4 49. Nxg5 {[%mdl 4096] Endgame KRB-KRN} Rh4+ 50. Kg2 Rg4+ 51. Rg3 Rxg3+ 52. Kxg3 {KB-KN} Kb7 53. Kf4 Bg6 54. Ne6 Kb6 55. Nc5 a5 {And now ...axb4 would win.} 56. a3 axb4 57. axb4 Ka7 58. Ne6 Kb8 $1 59. Nd4 Be8 (59... Kb7 $19 {and Black stays clearly on top.} 60. Kg5 Be4) 60. Kg5 $17 Kb7 61. Kh6 (61. Ne6 $17) 61... Bg6 $1 $19 {[%cal Rg6d3]} 62. Kg5 Be4 63. Ne6 {[#] aiming for Nc5+.} Kc8 $1 64. Nf8 $2 (64. Kf6 $17) 64... Bd3 65. Kf6 h5 66. Kg5 {[#]} Be2 $1 67. Ng6 $2 (67. Kf4) 67... Kd7 68. Nf4 Bd1 69. Ng2 Kd6 70. Kf4 Bc2 71. Kg5 $2 (71. Ne1 Bd3 72. Ng2) 71... Ke5 72. Ne3 Bb3 73. Nf5 Ke4 74. Nd4 Ba4 75. Ne6 Ke3 (75... Kd3 $142 76. Kf4 Kxc3) 76. Nxc7 Kd3 {Black mates.} 77. Kxh5 Kxc3 78. Ne6 Kd2 79. Kg5 c3 80. Nd4 c2 {Accuracy: White = 35%, Black = 60%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.29"]
[Round "4.44"]
[White "Karpa, Adrian"]
[Black "Markmann, Ulrich"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2087"]
[BlackElo "2279"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d3 {[%emt 0:00:00]} d5 {[%emt 0:05:08]} 4. Nbd2 {[%emt 0:00:05]} Nc6 {[%emt 0:00:06]} 5. g3 {[%emt 0:00:08]} Bd6 {[%emt 0:00:19]} 6. Bg2 {[%emt 0:00:17]} Nge7 {[%emt 0:00:06]} 7. O-O {[%emt 0:00:14]} Qc7 {[%emt 0:00:15]} 8. Re1 {[%emt 0:00:50]} O-O {[%emt 0:18:15]} 9. c3 {[%emt 0:01:30]} dxe4 {[%emt 0:31:53]} 10. dxe4 {[%emt 0:00:26]} Rd8 {[%emt 0:00:43]} 11. Qe2 {[%emt 0:02:59]} e5 {[%emt 0:00:48]} 12. Nc4 {[%emt 0:00:34]} f6 {[%emt 0:06:27]} 13. Be3 {[%emt 0:06:46]} b6 {[%emt 0:00:35]} 14. Rad1 {[%emt 0:06:37]} Be6 {[%emt 0:01:01]} 15. Nh4 {[%emt 0:01:17]} Na5 {[%emt 0:04:52]} 16. Na3 {[%emt 0:10:16]} a6 {[%emt 0:08:03]} 17. Bc1 {[%emt 0:16:30]} c4 {[%emt 0:00:46]} 18. Nc2 {[%emt 0:03:08]} Bc5 {[%emt 0:03:00]} 19. Nf5 {[%emt 0:02:35]} Rxd1 {[%emt 0:01:56]} 20. Rxd1 {[%emt 0:00:31]} Rd8 {[%emt 0:00:02]} 21. Nfe3 {[%emt 0:02:47]} Rxd1+ {[%emt 0:01:14]} 22. Qxd1 {[%emt 0:00:06]} Qd7 {[%emt 0:00:18]} 23. Qxd7 {[%emt 0:02:55]} Bxd7 {[%emt 0:00:02]} 24. Nb4 {[%emt 0:00:17]} Bc8 {[%emt 0:06:22]} 25. Nbd5 {[%emt 0:17:45]} Nxd5 {[%emt 0:00:15]} 26. Nxd5 {[%emt 0:00:43]} Kf8 {[%emt 0:00:14]} 27. Bf3 {[%emt 0:01:21]} b5 {[%emt 0:01:35]} 28. Bd1 {[%emt 0:01:49]} Nb7 {[%emt 0:00:52]} 29. Kf1 {[%emt 0:03:27]} Nd6 {[%emt 0:00:28]} 30. f3 {[%emt 0:00:14]} Bb7 {[%emt 0:00:30]} 31. Be3 {[%emt 0:01:30]} Bxe3 {[%emt 0:00:16]} 32. Nxe3 {[%emt 0:00:06]} Ke7 {[%emt 0:00:58]} 33. a4 {[%emt 0:03:14]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.1"]
[White "Mons, Leon"]
[Black "Idani, Pouya"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2552"]
[BlackElo "2568"]
[Annotator "ChessBase"]
[PlyCount "48"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. d4 {[%emt 0:04:03]} Nxe4 {[%emt 0:03:00]} 4. Bd3 {[%emt 0:00:05]} d5 {[%emt 0:00:04]} 5. Nxe5 {[%emt 0:00:06]} Nd7 {[%emt 0:00:42]} 6. Nxd7 {[%emt 0:06:03]} Bxd7 {[%emt 0:00:05]} 7. O-O {[%emt 0:00:05]} Nf6 {[%emt 0:00:08]} 8. Bg5 {[%emt 0:07:17]} Be7 {[%emt 0:00:22]} 9. c3 {[%emt 0:03:33]} c6 {[%emt 0:01:56]} 10. Qc2 {[%emt 0:06:51]} h6 {[%emt 0:00:12]} 11. Bxf6 {[%emt 0:01:34]} Bxf6 {[%emt 0:00:06]} 12. Re1+ {[%emt 0:00:03]} Kf8 {[%emt 0:08:14]} 13. Nd2 {[%emt 0:00:12]} g6 {[%emt 0:00:35]} 14. Nf3 {[%emt 0:00:38]} Kg7 {[%emt 0:00:25]} 15. Ne5 {[%emt 0:00:37]} Bxe5 {[%emt 0:00:24]} 16. Rxe5 {[%emt 0:02:56]} Re8 {[%emt 0:03:02]} 17. Rae1 {[%emt 0:01:11]} Rxe5 {[%emt 0:02:06]} 18. Rxe5 {[%emt 0:00:15]} Qf8 {[%emt 0:00:12]} 19. Qd2 {[%emt 0:09:56]} f6 {[%emt 0:06:45]} 20. Re2 {[%emt 0:02:38]} Re8 {[%emt 0:00:55]} 21. Qf4 {[%emt 0:01:15]} Rxe2 {[%emt 0:00:06]} 22. Bxe2 {[%emt 0:00:03]} Qe7 {[%emt 0:02:58]} 23. Qc7 {[%emt 0:02:48]} Qxe2 {[%emt 0:00:06]} 24. Qxd7+ {[%emt 0:00:04]} Kf8 {[%emt 0:00:05]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.2"]
[White "Bernadskiy, Vitaliy"]
[Black "Asadli, Vugar"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2554"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,121,25,52,47,51,33,42,42,41,54,66,29,35,25,44,41,37,40,74,62,73,67,102,94,79,74,107,94,97,96,92,82,103,95,87,49,46,35,49,45,35,24,47,43,15,16,46,39,51,52,41,35,37,43,44,56,40,17,16,23,128,128,128,128,143,112,149,140,353,351,519,473,394,345,330,334,250,254,262,262,688,591,584,346,346,346,548,514,671,664,436,346,346,346,346,346,354,354,362,362,379,379,393,393,393,393,29966,29966,29965,29966,29956,12844,11874,5547]} 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. h4 h6 6. e4 {A16: English Opening: 1...Nf6 with ...d5} Nxc3 7. dxc3 Qxd1+ 8. Kxd1 {White is slightly better.} Bg4 (8... Nd7 9. Bf4 c6 10. Kc2 Bg7 11. Nd2 Be5 12. Be3 Nf6 13. f3 Nh5 {1-0 (43) Bu,X (2726)-Zeng,C (2535) China 2018}) 9. Kc2 Nd7 10. Nh2 Be6 11. Be3 Bg7 12. Nf3 c5 $146 ({Predecessor:} 12... Nb6 13. Nd4 Bd7 {½-½ (59) Tratar,M (2477)-Kokol,P (2363) Ptuj 2015}) 13. Nd2 O-O 14. Bc4 Bxc4 15. Nxc4 b6 16. Rad1 Rfd8 17. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Kf8 18. g4 Ke8 19. f3 Rac8 20. Rd2 (20. Rhf1 {feels hotter.} Nf8 21. Bd2 Rc6 22. f4 a6 23. h5) 20... Nb8 21. Rxd8+ Rxd8 22. a5 b5 23. Na3 a6 $1 24. Bxc5 Rc8 25. Bb6 Nd7 26. Be3 b4 27. Nb1 Ne5 28. Bd4 Kf8 29. Nd2 $36 {[%mdl 2048] White has some pressure.} Nc6 30. Bxg7+ Kxg7 $14 {[%mdl 4096] Endgame KRN-KRN} 31. Ra1 g5 32. hxg5 hxg5 33. Nc4 bxc3 34. bxc3 Nd4+ (34... e6 $11) 35. cxd4 $16 Rxc4+ {KR-KR} 36. Kd3 Rb4 37. Rc1 $1 Ra4 38. Rc5 f6 $2 (38... Ra3+ $16 {was called for.} 39. Kc4 Rxf3 40. Rxg5+ Kf8) 39. e5 $18 fxe5 (39... Ra3+ $142 40. Ke4 Kf7) 40. Rxe5 Kf6 41. Rc5 e6 42. d5 Ra3+ 43. Ke2 $1 exd5 44. Rxd5 Kg6 $2 (44... Ra2+ 45. Ke3 Ra4 46. Rd6+ Ke7 47. Rxa6 Kd7 48. Ra7+ Ke6) 45. Kf2 Kf6 46. Rd6+ Kg7 47. Rxa6 Kf7 (47... Kh7 {might work better.} 48. Ke2 Kh8 49. Ra8+ Kh7) 48. Ra8 Kg7 49. a6 Kf7 50. Ke2 Kg7 51. a7 Kh7 {[#]} 52. Kd2 $1 Kg7 {[#]} 53. Kc2 $1 Kh7 54. Kb2 Ra6 55. Kb3 Kg7 56. Kb4 Ra1 57. Kc5 Ra2 $2 (57... Ra6 $18 58. Kb5 Ra3) 58. Kb6 Rb2+ 59. Kc6 Rc2+ 60. Kd6 {Rg8+ would kill now.} Ra2 61. Rc8 {Accuracy: White = 76%, Black = 54%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.3"]
[White "Prusikin, Michael"]
[Black "Eljanov, Pavel"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2521"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,9,30,20,20,7,27,9,13,5,29,12,9,14,6,10,10,9,29,-27,8,1,10,2,13,12,25,0,0,0,0,0,0,0,8,-39,-47,-47,-44,-53,-51,-86,-76,-83,-82,-87,-79,-66,-75,-122,-120,-153,-153,-153,-152,-146,-145,-169,-183,-175,-160,-186,-183,-210,-210,-210,-207,-200,-191,-189,-160]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Nc3 d6 6. O-O {B50: Sicilian: 2...d6, Miscellaneous} Qb6 7. d3 Be7 8. a3 $146 {White has an edge.} ({Predecessor:} 8. Nd2 O-O 9. g4 h6 10. Kh1 Qd8 11. f4 {1-0 (21) Zivkovic,V (2413)-Kurajica,B (2555) Banja Vrucica 2009}) 8... O-O 9. Rb1 d5 10. exd5 exd5 11. Re1 h6 12. Ne5 {[#] Nxc6 is the strong threat.} Qd8 13. Bf4 Nd4 14. g4 (14. Ne2 $142) 14... Be6 15. h3 Re8 16. Ne2 Nxe2+ 17. Rxe2 Bd6 18. d4 Rc8 19. dxc5 Bxc5 20. Qd3 Ne4 21. Bxe4 dxe4 22. Qxd8 Rexd8 23. Rxe4 g5 24. Bg3 Rd2 25. b4 Bb6 $36 {[%mdl 2048] Black is really pushing.} 26. c4 f5 27. Nf3 fxe4 28. Nxd2 {[#] aiming for c5.} e3 29. Ne4 Rxc4 30. Nc5 Bxc5 {Black is clearly better.} 31. bxc5 $17 {[%mdl 4096] Endgame KRB-KRB} e2 ({Don't do} 31... Rxc5 32. fxe3 Rc3 33. Rxb7 $15) 32. f3 Bd5 33. Kf2 Rc3 (33... Rxc5 34. Kxe2 Rc3 35. Bd6 $17) 34. Kxe2 Rxa3 ({Don't play} 34... Rxf3 35. Rd1 $15) 35. h4 Bxf3+ 36. Kf2 Bc6 {White must now prevent ...Rf3+.} 37. Rg1 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 38. hxg5 hxg5 39. Be5 a4 {Accuracy: White = 51%, Black = 88%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.4"]
[White "Yankelevich, Lev"]
[Black "Demchenko, Anton"]
[Result "1/2-1/2"]
[ECO "A54"]
[WhiteElo "2480"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,9,0,-6,0,0,4,0,-10,-11,-4,-17,0,4,24,38,27,19,33,13,37,23,40,15,85,83,75,82,78,77,79,86,133,98,98,32,108,100,150,145,131,109,115,109,122,0,113,0,122]} 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nc6 5. Bg5 h6 6. Bh4 {A54: Old Indian Defence with Nf3, but without e4} exd4 7. Nxd4 g5 8. Bg3 Bg7 9. e3 Nxd4 $146 ({Predecessor:} 9... O-O 10. Be2 Re8 11. Nxc6 bxc6 12. Qc2 Rb8 {0-1 (35) Semcesen,D (2471)-Rapport,R (2701) Helsingor 2014}) 10. exd4 Bf5 11. Qe2+ Kf8 12. O-O-O Qd7 13. Qd2 a6 14. a3 Rb8 15. Bd3 b5 16. c5 {Strongly threatening Bxf5.} Kg8 (16... Bxd3 $11 {remains equal.} 17. Qxd3 a5) 17. cxd6 $16 cxd6 18. Bxf5 Qxf5 19. Bxd6 Rc8 {[#] Threatens to win with ...Ne4.} 20. Bc5 Nd7 21. Bb4 Kh7 22. g4 (22. Rhe1 $16) 22... Qxg4 {[#]} ({Better is} 22... Qg6 $1 $14) 23. Qd3+ $1 Kg8 24. Kb1 Nf6 25. d5 Qc4 26. Qf5 Qg4 27. Qd3 Qc4 $1 28. Qf5 Qg4 $1 {Accuracy: White = 68%, Black = 52%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.5"]
[White "Vogel, Roven"]
[Black "Gareyev, Timur"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2456"]
[BlackElo "2591"]
[Annotator "ChessBase"]
[PlyCount "34"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:03:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:13]} 3. g3 {[%emt 0:00:02]} Bb4+ {[%emt 0:00:50]} 4. Bd2 {[%emt 0:00:14]} a5 {[%emt 0:00:15]} 5. Bg2 {[%emt 0:00:18]} Nc6 {[%emt 0:01:23]} 6. Nf3 {[%emt 0:01:57]} d6 {[%emt 0:00:13]} 7. O-O {[%emt 0:00:33]} e5 {[%emt 0:00:17]} 8. Bxb4 {[%emt 0:11:23]} axb4 {[%emt 0:00:13]} 9. d5 {[%emt 0:00:40]} Nb8 {[%emt 0:10:51]} 10. Qd2 {[%emt 0:02:22]} c5 {[%emt 0:04:45]} 11. dxc6 {[%emt 0:01:23]} Nxc6 {[%emt 0:00:04]} 12. Rd1 {[%emt 0:01:06]} O-O {[%emt 0:04:12]} 13. Qc2 {[%emt 0:14:08]} e4 14. Nd4 {[%emt 0:06:25]} e3 {[%emt 0:00:46]} 15. fxe3 {[%emt 0:07:54]} Ng4 {[%emt 0:00:03]} 16. Bxc6 {[%emt 0:07:00]} bxc6 {[%emt 0:00:40]} 17. Nxc6 {[%emt 0:01:10]} Qf6 {[%emt 0:01:12]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.6"]
[White "Azarov, Sergei"]
[Black "Gukesh D"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2586"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,97,0,1,0,15,0,22,6,7,14,29,23,47,15,50,26,25,26,29,23,33,15,43,47,56,56,80,45,41,39,37,0,0,0,0,0,0,0,0,0,0,0,0,5,137,183,168,176,175,163,176,187,193,182,167,160,192,192,241,241,239,234,229,225,223,215,403,403,458,454,628,578,555,548,605,459,697,712,716,693]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5,Bc5e4,Be4f2][%mdl 32]} 9. a4 Be7 10. Be2 O-O 11. O-O {B33: Sicilian: Pelikan and Sveshnikov Variations} Nd7 12. Bd2 a6 13. Na3 {The position is equal.} a5 14. f4 (14. c3 f5 15. b4 f4 16. Nc4 b6 17. Re1 Kh8 18. Rb1 Ba6 {0-1 (33) Svidler,P (2729)-Grischuk,A (2759) Amsterdam 2019}) 14... exf4 15. Bxf4 Nc5 16. Nb5 Ne4 {[#]} 17. Bd3 $146 ({Predecessor:} 17. Ra3 Bd7 18. Kh1 Bxb5 19. Bxb5 {½-½ (38) Azarov,S (2585)-Gelfand,B (2655) Skopje 2019}) 17... Qb6+ 18. Kh1 Nf2+ 19. Rxf2 $1 Qxf2 20. Bg3 Qe3 21. Qe1 (21. Bxd6 Bxd6 22. Nxd6 Qf4 $15) 21... Qxe1+ 22. Rxe1 Bg5 23. Nc7 Rb8 24. Bxd6 Rd8 25. Bg3 {[%mdl 1024] White has compensation.} (25. Nb5 $5 {[%cal Rd6b8]} Ra8 26. Bc7 $14) 25... Bd7 26. b3 Bd2 27. Rf1 Bb4 28. h3 Rbc8 29. Bc4 f6 30. Rf3 Kh8 31. d6 Bxa4 (31... Ba3 $11 {keeps the balance.}) 32. bxa4 $16 Bxd6 33. Ne6 Re8 {[#]} 34. Bb3 $1 ({And not} 34. Bxd6 Rxc4 35. Nc7 Rd8 $17) 34... Bxg3 35. Rxg3 g6 36. Rd3 Rc6 37. Nf4 g5 38. Nh5 f5 39. Rd5 Rh6 {[#]} 40. Ng3 $1 f4 41. Nf5 Rhe6 42. Nd6 ({But not} 42. Rxa5 $6 b6) 42... g4 $2 (42... R8e7 {might work better.} 43. Nf7+ (43. Rxg5 Rg6 $16) 43... Kg7) 43. hxg4 $18 Rh6+ 44. Kg1 {White is clearly winning.} Re1+ 45. Kf2 Rhh1 {[%csl Ge1][%cal Rh1f1]} 46. Bc4 {Rg5 is the strong threat.} Rd1 47. Nxb7 Rc1 (47... Rxd5 $142 48. Bxd5 Ra1) 48. Bd3 Rhd1 49. Kf3 {Accuracy: White = 78%, Black = 44%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.7"]
[White "Bellia, Fabrizio"]
[Black "Santos Latasa, Jaime"]
[Result "1/2-1/2"]
[ECO "B69"]
[WhiteElo "2433"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,96,24,33,15,17,15,19,36,0,0,-46,209,206,207,199,202,190,190,205,192,201,188,103,153,120,115,114,121,50,50,52,62,0,0,8,83,85,76,82,81,80,84,69,69,18,16,18,20,8,8,11,25,21,21,16,24,25,35,25,29,31,62,8,18,0,67,0,14]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Be7 9. f4 Bd7 10. Nf3 b5 11. Bxf6 gxf6 12. f5 Qb6 13. Kb1 O-O-O 14. fxe6 fxe6 15. g3 Kb8 16. Bh3 Na5 {[#] B69: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6} 17. Qh6 $146 ({Predecessor:} 17. Nd4 b4 18. Nce2 e5 19. Bxd7 Rxd7 20. Nf5 Nc4 21. Qd3 Rc8 22. Ka1 Bf8 23. b3 Na3 24. c4 bxc3 25. Nxc3 {½-½ (64) Navara,D (2734)-Saric,I (2681) Patras 2019}) 17... b4 18. Ne2 {Threatens to win with Nf4.} e5 $1 19. Bxd7 Rxd7 20. b3 Qf2 $2 {[%mdl 8192] [#]} (20... Rc8 $15 {keeps the upper hand.}) 21. Ned4 $1 $18 {[%mdl 512]} exd4 22. Nxd4 d5 23. Rd2 Bf8 {[#]} 24. Qxf8+ $1 {[%mdl 512]} Rxf8 25. Rxf2 dxe4 26. Nf5 (26. Ne6 $18 Re8 27. Nc5 (27. Rxf6 Rd6 $16)) 26... Nb7 27. Rhf1 Nd6 28. Ne3 Nb5 29. Rxf6 ({Better is} 29. Kb2 $16) 29... Rxf6 $14 30. Rxf6 $16 {[%mdl 4096] Endgame KRN-KRN} Rd2 31. Kc1 (31. Kb2 $1 $14) 31... Rxh2 $11 32. Nd5 Nc3 (32... Nd4 $11) 33. Nxb4 $16 Ne2+ 34. Kb2 a5 35. Nc6+ Kc7 36. Nxa5 Nd4 $1 37. Rf4 (37. Rf7+ $14 Kd6 38. Nc4+ Ke6 39. Rf8 Rxc2+ 40. Ka3) 37... Rxc2+ $11 38. Ka3 $1 Nb5+ 39. Kb4 Nc3 {And now ...Nd5+ would win.} 40. Rf7+ Kd6 41. Nc4+ Ke6 42. Rxh7 Nxa2+ 43. Ka3 Nc3 44. Rh6+ Ke7 45. g4 Kf8 46. Kb4 ({White should try} 46. Rh3 $14) 46... Na2+ $1 47. Ka3 Nc3 48. Kb4 ({White should play} 48. Rh3 $14) 48... Na2+ $1 {Accuracy: White = 42%, Black = 69%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.8"]
[White "Peralta, Fernando"]
[Black "Del Rio De Angelis, Salvador G."]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "2569"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,100,49,52,29,26,27,28,8,7,0,20,0,0,0,6,-17,13,0,0,0,0,0,0,0,46,45,57,57,108,102,85,26,64,64,64,64,64,64,64,64,68,68,82,64,60,60,60,60,60,0,64,61,217,222,193,128,123,0,216,187,196,198,364,128,348,280,205,127,131,133,129,137,93,93,91,0,122,0,103,199,210,57,196]} 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 c6 5. e4 e5 6. Be2 Be7 7. O-O a6 8. Qc2 O-O 9. Rd1 Qc7 10. Bg5 h6 11. Bh4 {A55: Old Indian Defence with Nf3 and e4} g5 (11... Re8 12. Rac1 g5 13. Bg3 Nh5 14. d5 c5 15. h3 Nf4 16. Nh2 Nxe2+ 17. Qxe2 Nf6 18. Ng4 Bxg4 19. hxg4 {½-½ (45) Rodshtein,M (2623)-Andreikin,D (2659) Puerto Madryn 2009}) 12. Bg3 Nh5 $1 13. Qd2 $146 {White has an edge.} ({Predecessor:} 13. a3 Nxg3 14. hxg3 Nf6 15. Rd2 Re8 16. Rad1 Bf8 17. dxe5 dxe5 18. Na4 Be6 {½-½ (39) Drenchev,P (2527)-Vajda,L (2556) Sunny Beach 2014}) 13... Nxg3 14. hxg3 Nf6 (14... g4 $5 {[%cal Rg4f3]} 15. Ne1 exd4 16. Qxd4 Ne5 $11) 15. d5 cxd5 16. Nxd5 Nxd5 17. cxd5 Bd8 18. Rac1 $36 {[%mdl 2048] White has good play.} Qe7 19. Qe3 f5 20. exf5 Bxf5 21. Nd2 Bc7 22. Bd3 Bxd3 23. Qxd3 {Threatens to win with Qg6+.} Bb6 (23... Qf7 $14) 24. Qg6+ $16 Qg7 25. Qxg7+ (25. Qe6+ {seems wilder.} Kh7 26. Ne4 Rad8 27. Rd3 g4 28. Rb3) 25... Kxg7 26. Ne4 g4 27. Kf1 Rad8 28. Ke2 Rd7 29. f3 gxf3+ 30. gxf3 Kg6 31. b3 h5 32. Rh1 Rdf7 33. Rhf1 Rd7 34. Rh1 Rdf7 35. Rcf1 Bd4 $2 (35... Bd8 $14) 36. Rh4 $1 $18 ({Weaker is} 36. Nxd6 Rd7 $11) 36... Rc7 37. Kd3 (37. g4 $18) 37... Rcf7 $16 38. Ke2 (38. f4 $16 {Hoping for g4.} Bc5 39. Ng5) 38... Rc7 $18 39. g4 Rc2+ 40. Kd3 Rxa2 $2 (40... Rg2) 41. Rxh5 $2 (41. f4 $1 $18 {and the rest is easy.}) 41... Rb2 $2 (41... Ra1 $16 {is a better defense.} 42. Rf5 Rxf1 43. Rxf8 Kg7) 42. Rg5+ Kf7 43. Nxd6+ Ke7 44. Nf5+ Rxf5 45. gxf5 Rxb3+ $16 {KRR-KRB} 46. Kc2 Rb2+ 47. Kd3 {Rg6 is the strong threat.} Rb3+ 48. Kc2 Rb2+ $1 {[#]} 49. Kc1 $1 Kf6 {[#]} 50. d6 $2 (50. Rh5 $1 $18) 50... Rb5 {Accuracy: White = 55%, Black = 52%.} (50... Kxg5 $2 {too greedy.} 51. d7 $18) (50... Ra2 $1 $14 51. d7 Be3+ 52. Kb1 Rd2 53. Rg6+ Kxf5) 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.9"]
[White "Shevchenko, Kirill"]
[Black "Vetoshko, Volodymyr"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2542"]
[BlackElo "2506"]
[Annotator "ChessBase"]
[PlyCount "47"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:21]} 4. O-O {[%emt 0:00:00]} Nxe4 {[%emt 0:00:16]} 5. Re1 {[%emt 0:00:00]} Nd6 {[%emt 0:00:45]} 6. Nxe5 {[%emt 0:00:04]} Be7 {[%emt 0:00:24]} 7. Bf1 {[%emt 0:00:10]} Nxe5 {[%emt 0:00:20]} 8. Rxe5 {[%emt 0:00:04]} O-O {[%emt 0:00:10]} 9. d4 {[%emt 0:00:55]} Bf6 {[%emt 0:00:12]} 10. Re1 {[%emt 0:00:24]} Re8 {[%emt 0:00:19]} 11. Nc3 {[%emt 0:03:07]} Rxe1 {[%emt 0:18:03]} 12. Qxe1 {[%emt 0:00:05]} Bxd4 {[%emt 0:04:19]} 13. Bf4 {[%emt 0:00:31]} Bxc3 {[%emt 0:02:55]} 14. Qxc3 {[%emt 0:01:20]} b6 {[%emt 0:01:02]} 15. Bxd6 {[%emt 0:21:34]} cxd6 {[%emt 0:00:06]} 16. Qf3 {[%emt 0:07:46]} Rb8 {[%emt 0:03:54]} 17. Re1 {[%emt 0:08:10]} Bb7 {[%emt 0:03:32]} 18. Qa3 {[%emt 0:01:31]} Bd5 {[%emt 0:05:04]} 19. Qxd6 {[%emt 0:04:16]} Be6 {[%emt 0:00:16]} 20. Bd3 {[%emt 0:07:51]} Rc8 {[%emt 0:07:11]} 21. f4 {[%emt 0:03:43]} Qf8 {[%emt 0:02:09]} 22. Qxf8+ {[%emt 0:07:41]} Kxf8 {[%emt 0:00:36]} 23. b3 {[%emt 0:02:42]} Rc5 {[%emt 0:07:49]} 24. Kf2 {[%emt 0:03:19]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.10"]
[White "Chanda, Sandipan"]
[Black "Parvanyan, Ashot"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2529"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,71,41,46,46,25,35,32,19,7,11,7,0,0,0,12,0,8,0,0,-52,-30,-42,0,0,0,0,0,-24,63,-135,-45,-68,-53,-233,-212,-139,0,-60,-76,-61,0,0,68,68,68,68,68,69,76,80,29990,29991,29991,29992]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 h6 8. Be3 e6 9. Qd2 exd5 10. exd5 Kh7 11. h4 {E74: King's Indian: Averbakh Variation: 6...c5} (11. h3 Re8 12. Bd3 b5 13. Nxb5 Ne4 14. Bxe4 Rxe4 15. Rc1 a6 16. Nc3 Rxc4 17. a3 Nd7 18. Nf3 a5 19. O-O Qb6 20. Qc2 Rb8 {½-½ (38) Ponomariov,R (2723)-Grischuk,A (2752) Beijing 2011}) 11... Re8 12. h5 g5 $1 13. Nf3 {White is slightly better.} Ng4 14. Nxg5+ hxg5 15. Bxg5 Bxc3 $146 ({Predecessor:} 15... Bf6 16. Bxf6 Qxf6 17. O-O-O Qh6 18. Bxg4 Bxg4 {1-0 (50) Sandipan,C (2571)-Kushagra,M (2308) Mumbai 2018}) 16. bxc3 f6 17. Bf4 Qe7 18. Kf1 f5 19. f3 (19. Bxg4 fxg4 20. Qd3+ Qe4 $15) (19. Bd3 $1 $11) 19... Ne5 $1 $15 20. Bg5 Qg7 21. Re1 Nbd7 22. f4 $1 {Threatens to win with h6.} Nf7 23. h6 $1 {[%cal Rh6g7]} Qg8 (23... Qf8 $11) 24. Rh5 $2 (24. Bh4 $1 $14) 24... Qg6 (24... Nb6 $1 $17 25. Bd3 Bd7) 25. Bd1 Re4 $1 26. g4 $2 (26. Be7 $15) 26... Rxe1+ $1 $19 ({Not} 26... Nxg5 27. Rxg5 Qe8 28. Bc2 $16) 27. Qxe1 {Hoping for Qe7.} Nb6 (27... fxg4 $1 $17 {...Nf6 is the strong threat.} 28. Rh2 Nb6) 28. Bc2 (28. Qe7 $11 fxg4 29. Rh4 Nxc4 30. Rh2) 28... Bd7 $1 $15 29. Qe2 Re8 (29... Rg8 $1 $15) 30. Be7 $1 $11 {[%cal Rh5f5] Strongly threatening Rxf5.} ({Much worse is} 30. gxf5 Bxf5 31. Qxe8 Bxc2 $17) 30... Nxc4 ({Black should try} 30... Kh8 $11) 31. Rxf5 $1 $14 Nxh6 32. Rh5 $1 Ne3+ $1 33. Qxe3 Qxc2 34. f5 Qd1+ $2 {[%mdl 8192] [#]} ({Inferior is} 34... Qb1+ {[#]} 35. Kg2 $1 {[%mdl 512]} Qc2+ 36. Kg3 $1 {[%mdl 512]} Qd3 37. Qxd3 Kg8 38. Rxh6 Rxe7 39. f6) (34... Bb5+ $16 35. Kg1 Qd1+ 36. Kf2 Qe2+ $1 {[%mdl 512]} 37. Qxe2 Bxe2) 35. Kf2 $1 {[%mdl 512]} Qc2+ {[#]} 36. Kg3 $1 {[%mdl 512] Accuracy: White = 47%, Black = 49%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.11"]
[White "Sethuraman, S.P."]
[Black "Zajogin, Alexander"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2624"]
[BlackElo "2426"]
[Annotator "RC"]
[PlyCount "109"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 4. d3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:02]} 5. O-O {[%emt 0:00:02]} d6 {[%emt 0:00:31]} 6. c3 {[%emt 0:00:05]} O-O {[%emt 0:02:59]} 7. Bg5 {[%emt 0:00:06]} h6 {[%emt 0:17:08]} 8. Bh4 {[%emt 0:00:06]} a6 {[%emt 0:00:58]} 9. a4 {[%emt 0:00:06]} g5 {[%emt 0:02:49]} 10. Bg3 {[%emt 0:00:07]} Ba7 {[%emt 0:00:36]} 11. Nbd2 {[%emt 0:00:07]} Bg4 {[%emt 0:02:30]} 12. h3 {[%emt 0:00:15]} Bh5 {[%emt 0:00:34]} 13. b4 {[%emt 0:00:26]} Bg6 {[%emt 0:09:37]} 14. Re1 {[%emt 0:25:05]} Nh5 {[%emt 0:14:31]} 15. Bh2 {[%emt 0:04:04]} Nf4 {[%emt 0:08:58]} 16. Nf1 {[%emt 0:00:19]} Kg7 {[%emt 0:01:21]} 17. Bxf4 {[%emt 0:20:26]} gxf4 {[%emt 0:00:23]} 18. Bd5 {[%emt 0:00:04]} Rb8 {[%emt 0:12:41]} 19. d4 {[%emt 0:00:11]} Qf6 {[%emt 0:07:19]} 20. N1h2 {[%emt 0:08:05]} h5 {[%emt 0:01:09]} 21. Bxc6 {[%emt 0:02:59]} bxc6 {[%emt 0:00:06]} 22. Qd3 {[%emt 0:00:03]} exd4 {[%emt 0:04:04]} 23. Qxa6 {[%emt 0:00:10]} Ra8 {[%emt 0:00:18]} 24. Qxc6 {[%emt 0:00:22]} dxc3 {[%emt 0:00:17]} 25. Rac1 {[%emt 0:00:53]} Bd4 {[%emt 0:03:47]} 26. Red1 {[%emt 0:04:53]} Be5 {[%emt 0:00:52]} 27. a5 {[%emt 0:00:38]} Rfb8 {[%emt 0:00:48]} 28. Nxe5 {[%emt 0:01:47]} dxe5 {[%emt 0:04:48]} 29. Qxc3 {[%emt 0:00:07]} Bxe4 {[%emt 0:00:25]} 30. Re1 {[%emt 0:08:07]} Bg6 {[%emt 0:00:08]} 31. Nf3 {[%emt 0:00:25]} e4 {[%emt 0:01:15]} 32. Ne5 {[%emt 0:00:05]} Bf5 {[%emt 0:01:51]} 33. Nc6 {[%emt 0:01:15]} Re8 {[%emt 0:00:23]} 34. b5 {[%emt 0:04:07]} Qxc3 {[%emt 0:01:46]} 35. Rxc3 {[%emt 0:00:06]} e3 {[%emt 0:00:58]} 36. fxe3 {[%emt 0:01:02]} Rxe3 {[%emt 0:00:52]} 37. Rexe3 {[%emt 0:00:44]} fxe3 {[%emt 0:00:06]} 38. Nd4 {[%emt 0:04:40]} Bg6 {[%emt 0:00:39]} 39. a6 {[%emt 0:03:52]} Rd8 {[%emt 0:00:05]} 40. a7 {[%emt 0:03:18]} Be4 {[%emt 0:00:06]} 41. Rc4 {[%emt 0:40:48]} Kh7 {[%emt 0:25:54]} 42. Ne2 {[%emt 0:00:00]} Rd1+ {[%emt 0:03:01]} 43. Kh2 {[%emt 0:00:00]} Ba8 {[%emt 0:00:09]} 44. Rxc7 {[%emt 0:00:00]} Rd2 {[%emt 0:01:33]} 45. Rxf7+ {[%emt 0:00:00]} Kg6 {[%emt 0:00:26]} 46. Rf8 {[%emt 0:00:00]} Bb7 {[%emt 0:00:25]} 47. Rb8 {[%emt 0:00:00]} Be4 {[%emt 0:00:49]} 48. Re8 {[%emt 0:00:00]} Bb7 {[%emt 0:01:04]} 49. Rxe3 {[%emt 0:00:00]} Rb2 {[%emt 0:00:08]} 50. Re7 {[%emt 0:00:00]} Ba8 {[%emt 0:00:38]} 51. Re8 {[%emt 0:00:00]} Bb7 {[%emt 0:00:26]} 52. Nf4+ {[%emt 0:00:00]} Kg5 {[%emt 0:00:30]} 53. Rf8 {[%emt 0:00:00]} h4 {[%emt 0:00:24]} 54. a8=Q {[%emt 0:00:00]} Bxa8 {[%emt 0:00:18]} 55. Ne6+ {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.12"]
[White "Kamsky, Gata"]
[Black "Kruckenhauser, Arthur"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2685"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,0,0,0,-1,0,0,0,0,-4,0,-10,0,0,6,10,95,108,104,101,99,96,115,116,152,90,180,152,144,174,164,162,205,226,308,222,238,229,290,280,290,287,350,349,329,330,350,344,475,473,518,522,633,609,545,497]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bc4 b5 6. Bd5 {B23: Closed Sicilian: Lines without g3} Rb8 {White must now prevent ...e6.} 7. a3 $146 ({Predecessor:} 7. Nxd4 cxd4 8. Ne2 Nf6 9. Bb3 Nxe4 10. Nxd4 e6 11. c3 Bb7 12. O-O {0-1 (111) Dimitrov,R (2530)-Mamedov,R (2650) Konya 2019}) 7... e6 8. Ba2 {The position is equal.} Bb7 9. d3 Nxf3+ 10. Qxf3 Nf6 11. Qg3 d6 12. O-O Be7 (12... h5 $11) 13. Qxg7 $16 Rg8 14. Qh6 $36 {[%mdl 2048] White has strong initiative.} d5 15. f3 Rg6 16. Qh3 c4 {[#]} 17. Kh1 ({Better is} 17. e5 $1) 17... Qb6 (17... Qc7 $16) 18. Bf4 Rd8 19. e5 Nd7 20. Ne2 Nf8 21. d4 c3 22. Nxc3 Qxd4 {[#]} 23. Ne2 $1 {[%cal Re2d4]} Qb6 ({Not} 23... Qxb2 $2 24. Bb3 $18) 24. c3 Bc5 25. Rad1 Be3 26. Bb1 Rg8 27. Qh6 Bc5 28. Bg5 Rd7 29. Nd4 {White is clearly winning.} Bxd4 30. cxd4 Rc7 31. Bf6 Nd7 32. Bg7 {Accuracy: White = 96%, Black = 34%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.13"]
[White "Weber, Ulrich"]
[Black "Engel, Luis"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2360"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,74,-8,0,-32,-32,-31,-28,-16,-16,-29,-33,-33,0,0,0,0,9,-20,-9,-6,-10,-16,0,-18,23,16,21,27,50,-11,39,27,47,34,33,0,0,-18,-14,-26,-22,-19,0,-243,-243,-232,-247,-314,-312,-313,-292,-294,-294,-477,-493,-436,-470,-417,-407,-552,-556]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 6. e4 O-O 7. Nbd2 Nbc6 8. c3 a5 9. Qc2 {A07: Réti Opening: New York and Capablanca Systems} h6 10. Re1 (10. b3 Be6 11. a3 Qd7 12. Bb2 dxe4 13. dxe4 Nc8 14. Rfd1 Qe7 15. a4 Rd8 16. Nf1 Nb6 {0-1 (39) Lenic,L (2646)-Caruana,F (2807) Tbilisi 2017}) 10... a4 11. exd5 {Black has an edge.} Nxd5 12. Nc4 {[%cal Rc4e5]} Re8 $1 13. Bd2 Bf5 14. Nh4 $146 ({Predecessor:} 14. Rad1 Qd7 15. Bc1 Bh3 16. Bxh3 Qxh3 {1-0 (42) Hennings,A (2450)-Heinig,W (2300) Leipzig 1979}) 14... Be6 15. Nf3 $1 {[%cal Rf3e5]} f6 16. Rad1 Nde7 17. b4 axb3 18. axb3 g5 19. h4 Bf5 20. Bc1 Qd7 21. hxg5 hxg5 22. Nh2 (22. b4 $14) 22... Kf7 23. Ne3 Be6 24. Nf3 Nf5 25. Nd2 (25. d4 $5 exd4 26. Nxd4 Ncxd4 27. cxd4 Nxe3 28. Rxe3 $11) 25... Nxe3 26. Rxe3 Bh3 27. Bh1 Rh8 $36 {[%mdl 2048] Black has the initiative.} 28. Ne4 Bg4 {Played: Bh3-f1} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.14"]
[White "Kueppers, Timo"]
[Black "Korneev, Oleg"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2250"]
[BlackElo "2504"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,154,56,53,48,52,51,41,35,48,41,32,39,53,40,49,46,43,33,31,22,46,43,53,0,18,0,0,-59,-39,-45,0,-50,-52,-73,-31,-82,-27,-31,-28,-35,-27,-59,-60,-72,-69,-83,-88,-131,-129,-141,-133,-145,-48,-35,-38,-31,-39,-46,-45,-30,-36,-89,-77,-77,-77,-139,-139,-132,-139,-143,-147,-140,-138,-145,-108,-108,-108,-109,-113,-208,-23,-110,-3,-575,-574,-569,-562,-519,-449,-144,-23,-14,-28,-24,0,0,8,0,0,0,0,0,0,0,0,-67,-65,-65,-65,-445,-446,-406,-354,-623,-608,-925,-987,-941,-959,-954,-937,-866,-773,-640,-478,-29982,-29983,-29982,-29983,-29983,-29984,-29983,-29967,-29963,-29963,-5065,0,0,0,-29994,-29995,-29995,-29996]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Qg4 g6 8. O-O {B42: Sicilian: Kan Variation: 5 Bd3} d6 9. Nc3 Nd7 10. a4 {White is slightly better.} b6 11. Qe2 Bb7 12. h3 Qc7 13. Bd2 h5 14. Rae1 $146 ({Predecessor:} 14. f4 Ngf6 15. Rae1 h4 16. Rf3 {0-1 (30) Kargin,A (2408)-Hansen,S (2568) Copenhagen 2005}) 14... h4 15. Nd4 Ngf6 16. Bg5 Qc5 17. Nf3 Ne5 18. Nxe5 dxe5 19. Qf3 Nh5 20. Bxe7 (20. Qg4 $11) 20... Kxe7 $15 21. Qg4 f6 22. Kh2 g5 23. Ne2 Bc6 (23... Rag8 $5 {[%cal Rf6f5]} 24. Kh1 Qc6 $15) 24. Ra1 (24. b3 $1 $15) 24... Be8 (24... Rag8 $1 $17 25. Bxa6 f5) 25. Qf3 $11 Ng7 26. b4 Qxb4 27. Qe3 Qc5 28. Qxc5+ bxc5 29. Rfb1 Bd7 30. Rb7 Ne8 31. Rb6 Nd6 32. Bxa6 Ra7 ({Not} 32... Nxe4 33. Bb7 $11) (32... Rhb8 $17 33. Rxb8 Rxb8) 33. Rd1 $15 Nxe4 34. f3 Ng3 $1 {aiming for ...Rha8.} 35. Nc3 Nf5 36. Nb5 $1 {[%cal Rb5a7]} Bxb5 37. axb5 (37. Bxb5 $15 Rc8 38. c3) 37... Rd7 $36 {[%mdl 2048] Black has strong initiative.} 38. Rxd7+ Kxd7 $17 {[%mdl 4096] Endgame KRB-KRN} 39. Rc6 (39. Kg1 $142) 39... Nd4 40. Rxc5 Kd6 41. Rc3 {and if b6 works, White does fine.} Rb8 42. Rd3 Kc5 43. Rc3+ Kd5 44. Rc7 Kd6 $1 {[%cal Rd6c7]} 45. Rf7 f5 ({Reject} 45... Nxc2 $6 46. Rxf6 Nd4 47. Rg6 $11) 46. c4 (46. Kg1 $17) 46... Nb3 $2 (46... e4 $1 $19 47. fxe4 fxe4) 47. Rg7 (47. Kg1 $11) 47... Nc5 (47... e4 $1 $17 {[%cal Re4e3] ...e3 is the strong threat.} 48. Kg1 e3) 48. Rxg5 $2 {[%mdl 8192]} (48. Kg1 $1 $11 {and White has nothing to worry.}) 48... e4 $19 49. Kg1 {[#]} e3 $1 50. Kf1 Ke5 51. Ke2 $2 ({Better is} 51. Rh5 $19 Nxa6 52. bxa6) 51... Kf4 (51... Kd4 $17 52. Rh5 f4 53. Rxh4 e5) 52. Rh5 $11 Nxa6 53. Rxh4+ {KRN-KR} Kg5 54. Rh7 Nc5 {Threatens to win with ...f4.} 55. Rc7 Nb3 56. Kxe3 e5 $1 57. g3 f4+ 58. gxf4+ exf4+ 59. Ke4 (59. Kd3 $11) 59... Nd2+ $15 60. Kd5 Nxf3 {And now ...Rd8+ would win.} 61. Rf7 $2 {[%mdl 8192]} ({White should play} 61. Rd7 $15) 61... Rd8+ $19 62. Ke6 Re8+ 63. Kd6 $2 {[#]} (63. Kd5 Ne5 64. h4+ Kg4 65. Rg7+ Kh3 66. Rg1) 63... Ne5 $1 {[%mdl 64] Double Attack} 64. h4+ {[#]} Kg4 $1 65. Rg7+ Kf5 66. c5 Rd8+ (66... f3 $2 67. Rg1 $19) 67. Kc7 Rd5 68. Kb6 f3 {White must now prevent ...f2.} 69. c6 (69. Rg1 $19 Kf4 70. c6 Nc4+ 71. Ka6) 69... f2 70. c7 {[#]} Rxb5+ $1 {[%mdl 576] Promotion} 71. Kxb5 f1=Q+ 72. Kb6 Qc4 73. Rg5+ {[#]} Ke6 $1 74. Rxe5+ Kxe5 $2 (74... Kd6 $19 75. c8=Q Qxc8) 75. Kb7 $11 Qb5+ 76. Ka8 $2 {[%mdl 8192]} (76. Ka7 $11) 76... Qc6+ 77. Kb8 Qb6+ {Accuracy: White = 48%, Black = 65%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.15"]
[White "Krzyzanowski, Marcin"]
[Black "Rasch, Holger"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2500"]
[BlackElo "2236"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,65,10,14,25,12,26,18,0,0,0,0,0,-6,0,-27,-34,-12,-8,10,5,12,10,63,62,66,0,0,0,0,0,42,81,61,35,294,132,403,392,643,624,892,882,29996,29997,29997,29998]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Nf3 O-O 10. O-O a6 11. Bd3 b5 $1 12. Qe1 {A67: Modern Benoni: Taimanov Variation} (12. a3 c4 13. Bc2 Nc5 14. f5 Nbd7 15. Bg5 Bf6 16. h4 Re8 17. Qd2 Bxg5 18. hxg5 Ne5 19. Nxe5 Rxe5 20. Qf4 {0-1 (63) Gareyev,T (2619)-Zherebukh,Y (2600) Greensboro 2016}) 12... Re8 13. Qg3 Nf6 14. e5 $146 {The position is equal.} ({Predecessor:} 14. f5 b4 15. Nd1 Nxe4 16. Bxe4 Rxe4 17. Ng5 Bxf5 18. Rxf5 gxf5 19. Nxe4 fxe4 {1-0 (35) Bruno,F (2422)-Alexakis,D (2224) Katerini 2014}) 14... dxe5 15. fxe5 Nxd5 16. Bg5 Qd7 {...Nxc3 is the strong threat.} 17. Be4 Nxc3 18. bxc3 Bb7 19. Rad1 Qc8 20. Bxb7 Qxb7 21. Bf6 Nd7 $1 {[%cal Rd7f6]} 22. Bxg7 $1 Kxg7 23. Ng5 (23. Qh3 $14 Nf8 24. Ng5) 23... Nxe5 $11 24. Qh3 $1 {[%cal Rh3h7]} h5 $1 {[#] Threatens to win with ...c4.} ({Don't play} 24... h6 $6 25. Nxf7 $1 {[%mdl 512]} Qxf7 26. Rxf7+ Nxf7 27. Qf3 $16) 25. Nxf7 $1 $40 {[%mdl 640] White attacks.} Qb8 ({Avoid the trap} 25... Nxf7 $2 26. Rd7 $1 $16 {[%mdl 512]}) 26. Nd6 {[%mdl 1024] White has compensation.} Re7 27. Qg3 {Hoping for Nf5+.} (27. Qe3 $5 {[%cal Rd1d5]}) 27... Kh7 $2 {[%mdl 8192]} ({Better is} 27... Re6 $1 $14) 28. Qg5 (28. Rfe1 $18 {has better winning chances.}) 28... Raa7 $2 {[%mdl 8192] [#]} (28... Re6 $16 {might work better.}) 29. Rf6 $1 $18 Rad7 $2 (29... Qg8 30. Nf5 Nf7 31. Nxe7 {[%mdl 64] Discovered Attack} Rxe7 32. Qxc5 Qe8) 30. Rd5 $1 {[%csl LRc5,LRe5][%mdl 64] Double Attack} Qd8 {And now ...Re6! would win.} 31. Rxe5 Rxe5 32. Qxg6+ Kh8 33. Qh6+ {Accuracy: White = 51%, Black = 38%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.16"]
[White "Donchenko, Anatoly"]
[Black "Loiseau, Quentin"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2229"]
[BlackElo "2471"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:03]} 3. d4 {[%emt 0:00:21]} cxd4 {[%emt 0:00:11]} 4. Nxd4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:38]} e6 {[%emt 0:00:08]} 6. a3 {[%emt 0:03:16]} Bc5 {[%emt 0:01:24]} 7. e3 {[%emt 0:04:50]} O-O {[%emt 0:01:24]} 8. Be2 {[%emt 0:03:38]} Bb6 {[%emt 0:08:41]} 9. O-O {[%emt 0:02:21]} d5 {[%emt 0:02:37]} 10. Nxc6 {[%emt 0:08:40]} bxc6 {[%emt 0:00:08]} 11. b4 {[%emt 0:00:07]} Bc7 {[%emt 0:02:39]} 12. Bb2 {[%emt 0:02:28]} Rb8 {[%emt 0:01:22]} 13. Qc2 {[%emt 0:04:29]} a5 {[%emt 0:03:05]} 14. Rfd1 {[%emt 0:02:22]} Qe7 {[%emt 0:05:41]} 15. g3 {[%emt 0:04:15]} dxc4 {[%emt 0:08:12]} 16. Ne4 {[%emt 0:02:56]} Nxe4 {[%emt 0:03:22]} 17. Qxe4 {[%emt 0:00:22]} c5 {[%emt 0:00:13]} 18. Qxc4 {[%emt 0:02:59]} axb4 {[%emt 0:02:50]} 19. axb4 {[%emt 0:00:26]} cxb4 {[%emt 0:02:33]} 20. Bd4 {[%emt 0:03:38]} Bd6 {[%emt 0:06:14]} 21. Bxg7 {[%emt 0:02:04]} Kxg7 {[%emt 0:00:18]} 22. Qd4+ {[%emt 0:00:02]} e5 {[%emt 0:00:07]} 23. Qxd6 {[%emt 0:00:09]} Qxd6 {[%emt 0:00:04]} 24. Rxd6 {[%emt 0:00:11]} b3 {[%emt 0:00:47]} 25. Rb1 {[%emt 0:02:14]} Be6 {[%emt 0:00:50]} 26. Rb2 {[%emt 0:02:08]} Rfd8 {[%emt 0:04:01]} 27. Ra6 {[%emt 0:08:54]} Rdc8 {[%emt 0:02:13]} 28. Bd3 {[%emt 0:02:39]} Rc3 {[%emt 0:04:52]} 29. Be4 {[%emt 0:02:24]} Bh3 {[%emt 0:02:10]} 30. f3 {[%emt 0:00:52]} Rc1+ {[%emt 0:02:38]} 31. Kf2 {[%emt 0:00:10]} Rh1 {[%emt 0:00:03]} 32. Rb1 {[%emt 0:00:26]} Rxh2+ {[%emt 0:00:08]} 33. Kg1 {[%emt 0:00:07]} Rg2+ {[%emt 0:00:29]} 34. Kh1 {[%emt 0:00:09]} Rd2 {[%emt 0:00:39]} 35. g4 {[%emt 0:00:25]} b2 {[%emt 0:00:37]} 36. Ra2 {[%emt 0:03:15]} Rb4 {[%emt 0:02:50]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.17"]
[White "Hoffmann, Michael"]
[Black "Moeldner, Juergen"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2445"]
[BlackElo "2234"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,73,49,68,75,78,68,105,43,192,166,234,224,271,264,272,276,270,256,237,185,191,188,174,152,211,218,204,193,170,164,196,179,198,206,248,216,196,172,194,193,429,239,334,201,236,242,329,286,404,398,441,455,667,547,646,630]} 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. e3 b6 5. d4 cxd4 6. exd4 Bb7 7. Bd3 Be7 8. O-O O-O 9. d5 exd5 10. cxd5 d6 11. Nd4 {E14: Queen's Indian: Classical Variation (4 e3)} a6 12. Bf4 $146 ({Predecessor:} 12. Nf5 Re8 13. Qf3 Bf8 14. Bg5 Nbd7 15. Qg3 Kh8 16. Rfe1 Rxe1+ 17. Rxe1 h6 18. Qh3 Kg8 19. Bxh6 gxh6 20. Re3 h5 21. Rg3+ Kh8 22. Rg5 Qe8 23. Rxh5+ Nxh5 24. Qxh5+ Kg8 25. Ne7+ {1-0 (25) Sambuev,B (2524)-Selzler,R (2200) Nassau 2012}) 12... g6 13. Qf3 (13. Be2 $16) 13... Ra7 ({Better is} 13... Nbd7 $14) 14. Rfe1 $18 Nh5 (14... Ba8 $142 15. Rad1 b5) 15. Bh6 Ng7 16. Nc6 Nxc6 17. dxc6 Bc8 18. Nd5 Be6 19. Rac1 {[#] aiming for c7.} Bxd5 20. Qxd5 Bf6 21. b3 Qc7 (21... Re8 $16 22. Rxe8+ Nxe8) 22. g3 Rd8 23. Qf3 Be5 24. Be4 Qb8 25. Bd5 Nf5 26. Bg5 Rf8 27. Re4 Kg7 28. Rce1 h6 29. Bf4 {[%cal Re4e5]} Re7 $2 (29... Qd8 {was worth a try.} 30. Bxe5+ dxe5) 30. Qd3 (30. g4 $142 Nh4 {[#]} 31. Bxh6+ $1 {[%mdl 576] Remove Defender} Kxh6 32. g5+ {[%mdl 64] Discovered Attack} Kg7 33. Rxh4) 30... b5 31. a4 Rfe8 32. Bd2 {And now g4 would win.} Bf6 33. Ba5 bxa4 (33... Qa7 $142 34. c7 (34. axb5 axb5 35. Bc3 Be5 $18) 34... bxa4 35. bxa4 Qc5) 34. bxa4 Qc8 35. c7 {White is clearly winning.} Be5 (35... Rf8 $142 36. Rxe7 Nxe7) 36. Kg2 h5 37. Rb1 {Accuracy: White = 57%, Black = 16%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.18"]
[White "Ehrke, Michael"]
[Black "Womacka, Mathias"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2222"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,106,-10,-3,-7,0,-23,-18,-14,0,-4,-10,-1,0,0,-5,-7,-7,-5,-10,-15,-9,-18,-24,-27,-24,-23,-24,-27,-26,-39,-27,-35,-34,-27,0,-29,0,-36,-33,-36,-25,-25,-26,-26,-26,-31,-18,-19,-19,-129,-125,-133,-126,-121,-68,-67,-75,-69,-64,-77,-55,-69,-86,-99,-101,-112,-132,-115,-114,-179,-196,-167,-146,-239,-231,-230,-177,-188,-106,-111,-107,-220,0,0,0,0,0,-10,-8,-19,0,-4614,-4610]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 d5 5. c3 Bd6 6. Bg3 O-O 7. Nbd2 Qc7 8. Bd3 Nbd7 9. O-O {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (9. Qe2 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bh4 Bg4 13. Nf3 Ne4 14. h3 Be6 15. Nxe5 Qxe5 16. f4 Qc7 {0-1 (33) Abasov,N (2632)-Dominguez Perez,L (2763) Khanty-Mansiysk 2019}) 9... b6 10. e4 Bxg3 11. hxg3 {The position is equal.} dxe4 12. Nxe4 Bb7 13. Qe2 Rad8 14. Rfe1 Bd5 $146 ({Predecessor:} 14... Qc6 15. Rad1 Nxe4 16. Bxe4 Qxe4 17. Qxe4 Bxe4 18. Rxe4 Nf6 19. Ree1 {½-½ (19) Molnar,G (1955)-Kovacs,A (2101) Hungary 2011}) 15. dxc5 (15. Ned2 {is more complex.} h6 16. Rad1 Rc8 17. a3 Rfd8 18. Ba6) 15... Nxe4 16. Bxe4 Bxe4 17. Qxe4 Nxc5 18. Qe5 (18. Qc2 {with more complications.} Rd7 19. Rad1 Rfd8 20. Rd4 Rxd4 21. cxd4 Na6 22. Qa4) 18... Qxe5 19. Nxe5 Na4 20. Rab1 Rd2 21. Nc4 Rd5 22. Rec1 Rfd8 23. Ne3 Rd2 24. Nc4 R2d5 25. Ne3 Rd2 26. Nc4 R2d3 27. Kf1 f6 28. Ne3 Kf7 $36 {[%mdl 2048] Black has good play.} 29. Ke1 h5 30. Rd1 Ke7 31. Rxd3 Rxd3 $11 {[%mdl 4096] Endgame KRN-KRN} 32. Ke2 {[#]} (32. c4 $11) 32... Rxc3 $1 $17 {[%mdl 512]} 33. b3 (33. bxc3 Nxc3+) 33... Nc5 34. Rh1 g6 (34... a5 $17 35. Rh4 a4 $1 {[%mdl 512]}) 35. g4 $15 hxg4 36. Rh7+ Kd6 37. Rxa7 {[#]} g3 $1 {[%mdl 512]} 38. fxg3 Ne4 39. g4 Ke5 40. Ra4 f5 $1 41. gxf5 gxf5 (41... exf5 $6 42. Rb4 $11) 42. Nc4+ (42. Rb4 $17) 42... Kf4 $1 $19 {White must now prevent ...b5.} 43. Rb4 Rc2+ 44. Ke1 (44. Kd1 $17 Rxa2 45. Rxb6) 44... Rxa2 45. Rxb6 e5 ({Weaker is} 45... Rxg2 46. Rxe6 Rc2 47. Rb6 $15) 46. Re6 Ra1+ {Played: Ne4-c5} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.19"]
[White "Goldbeck, Lars"]
[Black "Smith, Bryan"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2203"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,81,15,11,-10,35,14,29,26,31,18,26,21,32,10,23,0,0,0,0,-21,0,0,32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 O-O 6. e4 d6 7. Nge2 b5 8. Ng3 {E20: Nimzo-Indian: 4 g3 and 4 f3} ({Don't play} 8. cxb5 exd5 9. exd5 Nbd7 $15) (8. Nf4 bxc4 9. Bxc4 Bxc3+ 10. bxc3 e5 11. Ne2 Nfd7 12. Bd3 Qa5 13. Bd2 c4 14. Bxc4 Qc7 15. Bb3 Nc5 {1-0 (46) Wang,H (2725)-Wen,Y (2586) Changsha 2019}) 8... bxc4 9. Bxc4 exd5 10. Bxd5 {White has an edge.} Nxd5 11. Qxd5 Qb6 $146 ({Predecessor:} 11... Be6 12. Qxa8 Qb6 13. Nf5 Bxf5 14. Qd5 Be6 15. Qg5 Nc6 {1-0 (36) Rush,S (2025)-Scott,L (1873) Dublin 2018}) 12. Nh5 ({Much worse is} 12. Qxa8 Bb7 $17) 12... Nd7 13. O-O Ne5 14. Qxa8 Bxc3 $1 15. bxc3 Be6 16. Qxf8+ $1 Kxf8 17. Bf4 Qb2 18. Bxe5 dxe5 {The position is equal.} 19. Rab1 Qxc3 20. Rfd1 Qe3+ 21. Kh1 {Hoping for Rb8+.} Qg5 22. Rb8+ Ke7 23. Rb7+ Ke8 24. Rxa7 Qxh5 25. Rb1 $1 {[%cal Rb1b8] White wants to mate with Rb8+.} Bc8 {[#] White must now prevent ...Qh6.} 26. Rb8 $1 {[%cal Rb8c8][%mdl 512]} Kd8 {White should prevent ...Qh6!} 27. Raa8 {[#]} Qh4 $1 {[%cal Rh4e1]} 28. Rxc8+ $11 {[%mdl 4096] Endgame KQ-KRR} Kd7 {[%cal Rh4e1]} 29. g3 Qg5 30. Rxc5 Qe3 31. Ra7+ Kd6 32. Rd5+ Ke6 33. Ra6+ Ke7 {And now ...Qe1+ would win.} 34. Rxe5+ Kd7 35. Raa5 {Threatens to win with Rad5+.} Qf2 {[%cal Rf2f1]} 36. Rad5+ Kc6 {[%cal Rf2f1]} 37. Rc5+ Kb6 {[%cal Rf2f1]} 38. Rb5+ Ka6 {[%cal Rf2f1]} 39. Ra5+ Kb6 {[%cal Rf2f1]} 40. Rab5+ Ka6 {[%cal Rf2f1]} 41. Ra5+ {Accuracy: White = 59%, Black = 76%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.20"]
[White "Morawietz, Dieter"]
[Black "Hedke, Fred"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2419"]
[BlackElo "2225"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,54,8,9,13,18,90,100,83,90,85,94,74,66,70,65,94,85,153,140,206,210,202,191,199,180,193,159,176,173,324,314,323,314,323,319,308,294,1743,1616,1433,1392,29987,6321,2183]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 b6 7. Qc2 h6 {D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6} (7... Bb7 8. Bxf6 Bxf6 9. cxd5 exd5 10. Bd3 h6 11. O-O Nd7 12. Rfd1 Qe7 13. Bf5 Rfd8 14. Rab1 c5 15. dxc5 Nxc5 16. Nd4 g6 17. Bh3 Ne4 18. Rbc1 h5 19. g3 h4 {0-1 (32) Matviishen,V (2476)-Erigaisi,A (2531) Konya 2018}) 8. h4 Bb7 (8... Bb4 $11) 9. Bxf6 $1 $16 Bxf6 {White is better.} 10. cxd5 Bxd5 $146 ({Predecessor:} 10... exd5 11. g4 g6 12. g5 hxg5 13. hxg5 Bg7 14. O-O-O Nc6 15. Kb1 Bc8 16. Qa4 Bf5+ {1-0 (37) Fakhretdinov,R (2362)-Gataullin,A (2050) Sterlitamak 2010}) 11. Nxd5 Qxd5 12. Bd3 $36 {[%mdl 2048] White fights for an advantage.} ({Don't play} 12. Qxc7 $6 Nc6 $11) 12... Nd7 13. a3 {Black must now prevent Bh7+.} Qd6 14. g4 Be7 (14... g6 $142) 15. O-O-O $1 Rfd8 (15... c6 $16 16. g5 h5) 16. g5 $18 h5 17. g6 f6 18. Kb1 Nf8 19. Bc4 b5 {[#]} 20. Ba2 $1 ({Much less strong is} 20. Bxb5 Rab8 $14) 20... Kh8 $2 (20... b4 {might work better.}) 21. Rdg1 {Played: Nf3-g5} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.21"]
[White "Tillmann, Markus"]
[Black "Meins, Gerlef"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2136"]
[BlackElo "2415"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,102,4,8,2,18,6,12,11,10,15,14,14,12,15,13,0,12,-21,0,0,11,6,8,0,0,-19,-16,-18,-22,-20,0,-17,-15,-22,-26,-16,-16,-15,-16,-13,0,0,2,6,46,-8,-8,-8,-18,-37,-34,-20,-28,-183,-186,-217,-203,-215,-216,-366,-310,-381,-373,-371,-364,-423,-419,-425,-424,-472,-469,-516,-503,-499,-490,-556,-539,-837,-802,-1526,-1562,-1516,-1488,-1583,-1512,-702,-397]} 1. Nf3 Nf6 2. b3 c5 3. Bb2 e6 4. e3 Be7 5. Be2 O-O 6. O-O Nc6 7. d4 b6 8. c4 cxd4 9. Nxd4 Bb7 10. Bf3 {A30: Symmetrical English: Double Fianchetto and Hedgehog} Qb8 11. Nc3 Rd8 12. Nxc6 {The position is equal.} Bxc6 13. e4 a6 $146 ({Predecessor:} 13... Bd6 14. g3 a6 15. Qe2 Qb7 16. Rad1 Bc5 17. Nd5 Ne8 18. Bg2 {½-½ (37) Weiss,C (2417)-Tratar,M (2475) Austria 2010}) 14. Re1 Bd6 15. g3 Be5 16. Qc2 b5 17. c5 b4 18. Nd1 {[%cal Bc3d1,Bd1b2,Bb2d3,Bd3e5][%mdl 32]} a5 19. Bxe5 Qxe5 20. Nb2 Bb5 21. Be2 Bxe2 22. Rxe2 Rac8 23. Rc1 Rc6 24. Nd3 Qd4 25. Qc4 Qxc4 26. Rxc4 d5 27. Ne5 dxc4 28. Nxc6 $11 {[%mdl 4096] Endgame KRN-KRN} Rd1+ 29. Kg2 c3 {[#] Threatens to win with ...Nxe4!} 30. Nxa5 Nxe4 {aiming for ...Nd2.} 31. Rxe4 {KRN-KR} (31. c6 $14 Nd6 32. c7) 31... c2 32. Rxb4 {Intending Rb8+ and mate.} Kf8 (32... f6 $5 33. Rc4 $8 (33. Rb8+ $2 Kf7 $19) 33... c1=Q 34. Rxc1 Rxc1 $15) 33. Rc4 c1=Q 34. Rxc1 Rxc1 $15 {KR-KN} 35. c6 $2 {[#]} (35. b4 $1 $11 {and White stays safe.}) 35... Ke7 $19 {[%mdl 1024] Black has strong compensation.} 36. b4 Kd6 37. b5 {Threatening b6.} Kc7 38. Nb3 (38. a4 $142) 38... Rc4 39. Kf3 Rb4 40. Ke3 Rxb5 41. Kd3 Rb4 42. Kc3 Ra4 {Black is clearly winning.} 43. Nc1 Ra3+ 44. Kc4 g5 45. Kd4 Kxc6 46. h3 Kd6 47. Kc4 h5 48. Kb4 Rf3 49. a4 Rxf2 50. a5 Rb2+ 51. Nb3 Ke5 {Accuracy: White = 27%, Black = 68%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.22"]
[White "Gschnitzer, Adrian"]
[Black "Richter, Nils"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "2412"]
[BlackElo "2213"]
[Annotator "NA"]
[PlyCount "67"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:15]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:04:15]} Bc5 {[%emt 0:02:14]} 4. Qg4 {[%emt 0:00:10]} g6 {[%emt 0:09:36]} 5. Qg3 {[%emt 0:01:57]} Nf6 {[%emt 0:03:51]} 6. d3 {[%emt 0:01:21]} d6 {[%emt 0:08:02]} 7. Bg5 {[%emt 0:05:18]} Nh5 {[%emt 0:05:39]} 8. Qh4 {[%emt 0:01:53]} f6 {[%emt 0:02:22]} 9. Bh6 {[%emt 0:14:47]} Bb4 {[%emt 0:09:09]} 10. Nge2 {[%emt 0:00:39]} Nd4 {[%emt 0:09:59]} 11. O-O-O {[%emt 0:00:36]} Nxe2+ {[%emt 0:00:51]} 12. Nxe2 {[%emt 0:00:11]} Qe7 {[%emt 0:01:15]} 13. g4 {[%emt 0:09:44]} Ng7 {[%emt 0:00:59]} 14. g5 {[%emt 0:00:32]} f5 {[%emt 0:02:11]} 15. Bxg7 {[%emt 0:00:40]} Qxg7 {[%emt 0:00:27]} 16. exf5 {[%emt 0:00:18]} Bxf5 {[%emt 0:01:26]} 17. Bb5+ {[%emt 0:00:38]} c6 {[%emt 0:00:02]} 18. Qxb4 {[%emt 0:00:18]} cxb5 {[%emt 0:00:09]} 19. Qxd6 {[%emt 0:00:29]} Qe7 {[%emt 0:01:57]} 20. Qxe7+ {[%emt 0:03:55]} Kxe7 {[%emt 0:02:24]} 21. Rhe1 {[%emt 0:00:30]} Kf7 {[%emt 0:23:31]} 22. Nc3 {[%emt 0:01:18]} b4 {[%emt 0:01:58]} 23. Nd5 {[%emt 0:00:45]} Rae8 {[%emt 0:03:47]} 24. h4 {[%emt 0:06:51]} h6 {[%emt 0:02:10]} 25. Rd2 {[%emt 0:05:39]} hxg5 {[%emt 0:02:58]} 26. hxg5 {[%emt 0:00:02]} a5 {[%emt 0:01:35]} 27. Rde2 {[%emt 0:01:26]} Rh2 {[%emt 0:00:59]} 28. f4 {[%emt 0:01:07]} Rxe2 {[%emt 0:01:37]} 29. Rxe2 {[%emt 0:00:02]} Rh8 {[%emt 0:02:03]} 30. fxe5 {[%emt 0:01:24]} Rh1+ {[%emt 0:01:05]} 31. Kd2 {[%emt 0:00:02]} Rb1 {[%emt 0:00:14]} 32. Nc7 {[%emt 0:04:02]} Bg4 {[%emt 0:00:50]} 33. e6+ {[%emt 0:00:36]} Ke7 {[%emt 0:00:01]} 34. Nd5+ {[%emt 0:00:14]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.23"]
[White "Padmini, Rout"]
[Black "Yi, Danny"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2394"]
[BlackElo "2211"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:00]} g6 {[%emt 0:00:19]} 3. Bg2 {[%emt 0:00:11]} Bg7 {[%emt 0:00:07]} 4. O-O {[%emt 0:00:24]} O-O {[%emt 0:00:17]} 5. d4 {[%emt 0:00:11]} d5 {[%emt 0:06:18]} 6. c3 {[%emt 0:01:21]} Nbd7 {[%emt 0:02:16]} 7. a4 {[%emt 0:01:47]} Re8 {[%emt 0:03:48]} 8. a5 {[%emt 0:10:37]} a6 {[%emt 0:06:33]} 9. c4 {[%emt 0:06:30]} c5 {[%emt 0:11:30]} 10. cxd5 {[%emt 0:03:50]} Nxd5 {[%emt 0:02:21]} 11. e4 {[%emt 0:01:24]} N5f6 {[%emt 0:12:48]} 12. e5 {[%emt 0:06:49]} Nd5 {[%emt 0:03:53]} 13. Nc3 {[%emt 0:10:25]} Nf8 {[%emt 0:08:49]} 14. Ng5 {[%emt 0:09:51]} Nxc3 {[%emt 0:02:19]} 15. bxc3 {[%emt 0:00:07]} h6 {[%emt 0:03:52]} 16. Ne4 {[%emt 0:02:05]} cxd4 {[%emt 0:00:54]} 17. cxd4 {[%emt 0:00:12]} Rb8 {[%emt 0:00:49]} 18. Be3 {[%emt 0:05:09]} b6 {[%emt 0:06:56]} 19. axb6 {[%emt 0:00:49]} Qxb6 {[%emt 0:00:38]} 20. Qd2 {[%emt 0:02:07]} Rd8 {[%emt 0:01:26]} 21. d5 {[%emt 0:01:39]} Qb2 {[%emt 0:03:17]} 22. f4 {[%emt 0:05:00]} Qxd2 {[%emt 0:03:38]} 23. Nxd2 {[%emt 0:03:41]} f6 {[%emt 0:04:09]} 24. e6 {[%emt 0:01:40]} f5 {[%emt 0:02:57]} 25. Rab1 {[%emt 0:00:49]} Bb7 {[%emt 0:03:53]} 26. Nc4 {[%emt 0:02:54]} Ba8 {[%emt 0:01:40]} 27. Rxb8 {[%emt 0:02:46]} Rxb8 {[%emt 0:00:02]} 28. Nb6 {[%emt 0:00:32]} Bb7 {[%emt 0:01:17]} 29. Rc1 {[%emt 0:02:09]} Bf6 {[%emt 0:00:58]} 30. Rc7 {[%emt 0:01:05]} a5 {[%emt 0:02:11]} 31. Nd7 {[%emt 0:02:14]} Nxd7 {[%emt 0:01:57]} 32. exd7 {[%emt 0:00:12]} a4 {[%emt 0:02:52]} 33. Rxb7 {[%emt 0:01:45]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.24"]
[White "Kaiser, Elmar"]
[Black "Hess, Max"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2131"]
[BlackElo "2373"]
[Annotator "ChessBase"]
[PlyCount "78"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:01:06]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:35]} g6 {[%emt 0:00:00]} 3. c4 {[%emt 0:00:06]} Bg7 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:17]} O-O {[%emt 0:00:01]} 5. Bf4 {[%emt 0:00:26]} d6 {[%emt 0:01:29]} 6. e3 {[%emt 0:00:18]} Nc6 {[%emt 0:01:27]} 7. d5 {[%emt 0:07:53]} e5 {[%emt 0:01:57]} 8. Bg5 {[%emt 0:03:26]} Ne7 {[%emt 0:00:26]} 9. e4 {[%emt 0:06:04]} h6 {[%emt 0:01:22]} 10. Bd2 {[%emt 0:04:43]} c6 {[%emt 0:01:06]} 11. Qc1 {[%emt 0:02:11]} b5 {[%emt 0:10:09]} 12. dxc6 {[%emt 0:05:20]} b4 {[%emt 0:02:24]} 13. Nd5 {[%emt 0:01:38]} Nxe4 {[%emt 0:02:31]} 14. c7 {[%emt 0:04:58]} Qd7 {[%emt 0:02:51]} 15. Bxh6 {[%emt 0:07:06]} Nxd5 {[%emt 0:01:19]} 16. Bxg7 {[%emt 0:02:54]} Kxg7 {[%emt 0:00:04]} 17. cxd5 {[%emt 0:00:04]} Bb7 {[%emt 0:01:30]} 18. Bc4 {[%emt 0:08:27]} Qxc7 {[%emt 0:04:36]} 19. O-O {[%emt 0:01:09]} Rac8 {[%emt 0:01:38]} 20. b3 {[%emt 0:02:19]} Qb6 {[%emt 0:06:08]} 21. Qe3 {[%emt 0:02:56]} Qxe3 {[%emt 0:02:21]} 22. fxe3 {[%emt 0:00:04]} a5 {[%emt 0:04:23]} 23. a3 {[%emt 0:01:02]} Ra8 {[%emt 0:01:37]} 24. Rfd1 {[%emt 0:14:01]} Nc3 {[%emt 0:05:12]} 25. Rd2 {[%emt 0:01:17]} Rfc8 {[%emt 0:05:35]} 26. Ne1 {[%emt 0:00:39]} e4 {[%emt 0:10:30]} 27. Nc2 {[%emt 0:09:45]} bxa3 {[%emt 0:00:48]} 28. Nxa3 {[%emt 0:00:48]} Rc5 {[%emt 0:04:12]} 29. Nc2 {[%emt 0:05:51]} Rac8 {[%emt 0:12:34]} 30. Nd4 {[%emt 0:03:27]} Bxd5 {[%emt 0:00:05]} 31. Bxd5 {[%emt 0:02:31]} Nxd5 {[%emt 0:00:12]} 32. Kf2 {[%emt 0:00:06]} Kf6 {[%emt 0:00:20]} 33. Rda2 {[%emt 0:00:52]} Rc3 {[%emt 0:05:01]} 34. Rxa5 {[%emt 0:00:44]} Nxe3 {[%emt 0:00:07]} 35. h3 {[%emt 0:00:17]} d5 {[%emt 0:02:10]} 36. Re1 {[%emt 0:01:44]} Nc2 {[%emt 0:00:24]} 37. Rd1 {[%emt 0:00:10]} Nb4 {[%emt 0:03:09]} 38. Rb5 {[%emt 0:00:59]} Nd3+ {[%emt 0:01:13]} 39. Kg1 {[%emt 0:00:22]} Rc1 {[%emt 0:00:58]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.25"]
[White "Zude, Arno"]
[Black "Maruntis, Patrik-Robert"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2372"]
[BlackElo "1707"]
[Annotator "ChessBase"]
[PlyCount "61"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:05]} g6 {[%emt 0:00:00]} 6. Be2 {[%emt 0:02:28]} Bg7 {[%emt 0:00:14]} 7. O-O {[%emt 0:00:15]} O-O {[%emt 0:00:31]} 8. Bg5 {[%emt 0:01:16]} Nbd7 {[%emt 0:05:02]} 9. Re1 {[%emt 0:02:50]} a6 {[%emt 0:00:42]} 10. Bf1 {[%emt 0:01:34]} Qc7 {[%emt 0:03:50]} 11. Qd2 {[%emt 0:10:55]} Rd8 {[%emt 0:07:15]} 12. a4 {[%emt 0:08:38]} b6 {[%emt 0:07:11]} 13. Nd5 {[%emt 0:04:13]} Nxd5 {[%emt 0:02:24]} 14. exd5 {[%emt 0:00:03]} Nf6 {[%emt 0:01:46]} 15. c4 {[%emt 0:01:13]} Re8 {[%emt 0:04:59]} 16. h3 {[%emt 0:14:41]} Bb7 {[%emt 0:06:10]} 17. Re3 {[%emt 0:03:33]} Nd7 {[%emt 0:24:08]} 18. b3 {[%emt 0:07:51]} Nf8 {[%emt 0:27:13]} 19. Rae1 {[%emt 0:18:05]} f6 {[%emt 0:01:01]} 20. Bf4 {[%emt 0:00:28]} Bc8 {[%emt 0:03:12]} 21. g4 {[%emt 0:05:37]} g5 {[%emt 0:00:16]} 22. Bg3 {[%emt 0:02:04]} Ng6 {[%emt 0:00:16]} 23. Bd3 {[%emt 0:00:27]} Kf7 {[%emt 0:01:24]} 24. Bf5 {[%emt 0:01:42]} Bxf5 {[%emt 0:01:56]} 25. Nxf5 {[%emt 0:00:38]} Qd7 {[%emt 0:00:53]} 26. Re6 {[%emt 0:04:22]} Bf8 {[%emt 0:00:32]} 27. h4 {[%emt 0:00:57]} h6 {[%emt 0:00:15]} 28. Qe3 {[%emt 0:01:56]} Ne5 {[%emt 0:00:29]} 29. Bxe5 {[%emt 0:00:25]} dxe5 {[%emt 0:00:10]} 30. hxg5 {[%emt 0:00:32]} hxg5 {[%emt 0:00:17]} 31. Qh3 {[%emt 0:00:10]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.26"]
[White "Seickel, Ralf"]
[Black "Moehn, Hans"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1993"]
[BlackElo "2370"]
[Annotator "RC"]
[PlyCount "106"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:07]} 3. g3 {[%emt 0:00:09]} d5 {[%emt 0:00:36]} 4. Nf3 {[%emt 0:00:31]} Bb4+ {[%emt 0:00:57]} 5. Bd2 {[%emt 0:00:41]} Bd6 {[%emt 0:00:11]} 6. Nc3 {[%emt 0:01:44]} c6 {[%emt 0:03:10]} 7. Qc2 {[%emt 0:25:20]} Nbd7 {[%emt 0:01:05]} 8. e4 {[%emt 0:02:42]} dxe4 {[%emt 0:02:14]} 9. Nxe4 {[%emt 0:03:06]} Nxe4 {[%emt 0:00:05]} 10. Qxe4 {[%emt 0:00:06]} Nf6 {[%emt 0:02:59]} 11. Qc2 {[%emt 0:03:35]} b6 {[%emt 0:14:19]} 12. Bg2 {[%emt 0:00:52]} Bb7 {[%emt 0:00:10]} 13. O-O {[%emt 0:01:49]} c5 {[%emt 0:02:28]} 14. Rfe1 {[%emt 0:03:41]} cxd4 {[%emt 0:01:40]} 15. Nxd4 {[%emt 0:01:14]} Bxg2 {[%emt 0:00:46]} 16. Kxg2 {[%emt 0:05:36]} O-O {[%emt 0:00:41]} 17. Nb5 {[%emt 0:07:15]} Be7 {[%emt 0:07:50]} 18. Rad1 {[%emt 0:01:05]} Qc8 {[%emt 0:00:45]} 19. b3 {[%emt 0:02:58]} Qb7+ {[%emt 0:04:52]} 20. f3 {[%emt 0:05:54]} a6 {[%emt 0:00:27]} 21. Nc3 {[%emt 0:06:57]} b5 {[%emt 0:00:28]} 22. Ne4 {[%emt 0:07:31]} Nxe4 {[%emt 0:01:02]} 23. Rxe4 {[%emt 0:01:56]} Rac8 {[%emt 0:02:49]} 24. Be3 {[%emt 0:03:11]} Qc6 {[%emt 0:03:27]} 25. Qe2 {[%emt 0:02:45]} h6 {[%emt 0:05:31]} 26. Bf2 {[%emt 0:00:46]} Rc7 {[%emt 0:01:43]} 27. Qd3 {[%emt 0:07:27]} Rd8 {[%emt 0:03:17]} 28. Qe2 {[%emt 0:00:06]} Rdc8 {[%emt 0:00:16]} 29. Red4 {[%emt 0:01:38]} Qb7 {[%emt 0:01:03]} 30. cxb5 {[%emt 0:00:42]} axb5 {[%emt 0:00:29]} 31. R1d2 {[%emt 0:00:40]} b4 {[%emt 0:02:04]} 32. Qe4 {[%emt 0:00:58]} Qb5 {[%emt 0:07:48]} 33. Qd3 {[%emt 0:00:12]} Qxd3 {[%emt 0:01:08]} 34. R4xd3 {[%emt 0:00:40]} Rc2 {[%emt 0:00:09]} 35. Be3 {[%emt 0:00:53]} e5 {[%emt 0:01:34]} 36. Rxc2 {[%emt 0:00:28]} Rxc2+ {[%emt 0:00:04]} 37. Rd2 {[%emt 0:00:08]} Rc3 {[%emt 0:08:15]} 38. Kf2 {[%emt 0:01:08]} f5 {[%emt 0:00:40]} 39. Ke2 {[%emt 0:01:03]} Kf7 {[%emt 0:00:21]} 40. Rd3 {[%emt 0:00:32]} Rc2+ {[%emt 0:03:22]} 41. Rd2 {[%emt 0:30:10]} Rc6 {[%emt 0:30:22]} 42. Rd7 {[%emt 0:00:00]} Ke6 {[%emt 0:00:00]} 43. Ra7 {[%emt 0:00:00]} Rc2+ {[%emt 0:00:00]} 44. Kd3 {[%emt 0:00:00]} Rc3+ {[%emt 0:00:00]} 45. Kd2 {[%emt 0:00:00]} f4 {[%emt 0:00:00]} 46. gxf4 {[%emt 0:00:00]} exf4 {[%emt 0:00:00]} 47. Bd4 {[%emt 0:00:00]} Rxf3 {[%emt 0:00:00]} 48. Bxg7 {[%emt 0:00:00]} Rf2+ {[%emt 0:00:00]} 49. Kd3 {[%emt 0:00:00]} Rxh2 {[%emt 0:00:00]} 50. Ra6+ {[%emt 0:00:00]} Kf5 {[%emt 0:00:00]} 51. Bxh6 {[%emt 0:00:00]} Rh3+ {[%emt 0:00:00]} 52. Ke2 {[%emt 0:01:03]} f3+ {[%emt 0:01:26]} 53. Kf1 {[%emt 0:05:52]} Bc5 {[%emt 0:00:42]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.27"]
[White "Schultz, Andreas"]
[Black "Nasuta, Grzegorz"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "2176"]
[BlackElo "2534"]
[Annotator "ChessBase"]
[PlyCount "44"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 4. Bg5 {[%emt 0:00:03]} Ne4 {[%emt 0:00:00]} 5. Bh4 {[%emt 0:00:08]} g5 {[%emt 0:00:00]} 6. Nxe4 {[%emt 0:09:18]} dxe4 {[%emt 0:00:30]} 7. Bxg5 {[%emt 0:03:20]} Bg7 {[%emt 0:00:13]} 8. Qd2 {[%emt 0:01:07]} Qxd4 {[%emt 0:01:41]} 9. Rd1 {[%emt 0:02:55]} Nc6 {[%emt 0:03:11]} 10. b3 {[%emt 0:06:46]} Be6 {[%emt 0:18:18]} 11. Qxd4 {[%emt 0:10:46]} Bxd4 {[%emt 0:04:39]} 12. Bd2 {[%emt 0:01:10]} O-O-O {[%emt 0:13:35]} 13. e3 {[%emt 0:04:40]} Bc5 {[%emt 0:02:18]} 14. Ne2 {[%emt 0:00:45]} Bg4 {[%emt 0:03:12]} 15. Rc1 {[%emt 0:05:44]} Ba3 {[%emt 0:03:00]} 16. Rb1 {[%emt 0:04:05]} Nb4 {[%emt 0:00:35]} 17. f3 {[%emt 0:00:41]} Nc2+ {[%emt 0:13:07]} 18. Kf2 {[%emt 0:01:10]} Rxd2 {[%emt 0:00:05]} 19. fxg4 {[%emt 0:00:10]} Bc5 {[%emt 0:00:05]} 20. Kg3 {[%emt 0:00:16]} Nxe3 {[%emt 0:00:29]} 21. Nf4 {[%emt 0:02:25]} Rg8 {[%emt 0:01:31]} 22. h3 {[%emt 0:00:20]} Bd6 {[%emt 0:00:16]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.28"]
[White "Ries, Berthold"]
[Black "Danielmeier, Ralf"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1854"]
[BlackElo "2054"]
[Annotator "NA"]
[PlyCount "101"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Qa5 {[%emt 0:00:06]} 4. d4 {[%emt 0:00:20]} Nf6 {[%emt 0:00:18]} 5. Nf3 {[%emt 0:00:08]} Bf5 {[%emt 0:00:23]} 6. Bd2 {[%emt 0:02:25]} e6 {[%emt 0:00:50]} 7. Bc4 {[%emt 0:00:40]} Bb4 {[%emt 0:00:25]} 8. O-O {[%emt 0:01:51]} Nc6 {[%emt 0:00:54]} 9. a3 {[%emt 0:11:13]} Bxc3 {[%emt 0:02:28]} 10. bxc3 {[%emt 0:05:44]} O-O {[%emt 0:05:14]} 11. Rb1 {[%emt 0:07:42]} Rab8 {[%emt 0:03:20]} 12. Bb5 {[%emt 0:03:48]} Bg4 {[%emt 0:15:58]} 13. h3 {[%emt 0:01:23]} Bxf3 {[%emt 0:00:29]} 14. Qxf3 {[%emt 0:00:13]} Nxd4 {[%emt 0:00:31]} 15. cxd4 {[%emt 0:03:07]} Qxd2 {[%emt 0:00:39]} 16. Bd3 {[%emt 0:01:12]} c6 {[%emt 0:01:38]} 17. c3 {[%emt 0:09:42]} Qg5 {[%emt 0:02:55]} 18. Rb3 {[%emt 0:04:30]} Qd5 {[%emt 0:03:19]} 19. Qxd5 {[%emt 0:02:22]} cxd5 {[%emt 0:02:17]} 20. Rfb1 {[%emt 0:00:56]} Rfc8 {[%emt 0:00:53]} 21. Rxb7 {[%emt 0:00:37]} Rxb7 {[%emt 0:00:35]} 22. Rxb7 {[%emt 0:00:01]} g6 {[%emt 0:01:03]} 23. Rxa7 {[%emt 0:01:20]} Rxc3 {[%emt 0:00:34]} 24. Bb5 {[%emt 0:00:19]} Ne4 {[%emt 0:03:52]} 25. f3 {[%emt 0:02:46]} Rc1+ {[%emt 0:00:33]} 26. Kh2 {[%emt 0:00:45]} Nd6 {[%emt 0:00:24]} 27. a4 {[%emt 0:04:11]} Nxb5 {[%emt 0:00:59]} 28. axb5 {[%emt 0:00:19]} Rb1 {[%emt 0:00:13]} 29. Rb7 {[%emt 0:00:19]} Rb4 {[%emt 0:00:26]} 30. b6 {[%emt 0:01:15]} Rxd4 {[%emt 0:00:35]} 31. Rc7 {[%emt 0:01:15]} Rb4 {[%emt 0:01:15]} 32. b7 {[%emt 0:00:08]} Kg7 {[%emt 0:00:11]} 33. Kg3 {[%emt 0:00:27]} h5 {[%emt 0:00:53]} 34. f4 {[%emt 0:02:20]} Kf6 {[%emt 0:01:10]} 35. Kf3 {[%emt 0:00:13]} Rb3+ {[%emt 0:03:44]} 36. Ke2 {[%emt 0:00:30]} h4 {[%emt 0:02:49]} 37. Kd2 {[%emt 0:00:34]} g5 {[%emt 0:04:39]} 38. fxg5+ {[%emt 0:00:52]} Kxg5 {[%emt 0:00:08]} 39. Rxf7 {[%emt 0:00:26]} Kg6 {[%emt 0:00:26]} 40. Re7 {[%emt 0:00:16]} Kf6 {[%emt 0:00:40]} 41. Rh7 {[%emt 0:30:43]} Kg5 {[%emt 0:33:42]} 42. Kc2 {[%emt 0:01:02]} Rb5 {[%emt 0:02:15]} 43. Kc3 {[%emt 0:03:46]} e5 {[%emt 0:01:44]} 44. Rd7 {[%emt 0:01:18]} Kf4 {[%emt 0:00:44]} 45. Rg7 {[%emt 0:00:39]} Ke3 {[%emt 0:01:32]} 46. Rh7 {[%emt 0:05:20]} e4 {[%emt 0:02:45]} 47. g4 {[%emt 0:02:08]} hxg3 {[%emt 0:00:45]} 48. Rg7 {[%emt 0:00:27]} Kf3 {[%emt 0:00:31]} 49. h4 {[%emt 0:00:13]} g2 {[%emt 0:00:16]} 50. h5 {[%emt 0:00:02]} Rxb7 {[%emt 0:00:19]} 51. Kd4 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.29"]
[White "Klimkowski, Jan"]
[Black "Marin, Mihail"]
[Result "0-1"]
[ECO "C93"]
[WhiteElo "2174"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,74,47,39,33,57,52,66,66,66,67,104,53,65,65,110,33,33,39,39,28,36,10,31,-5,0,-449,-435,-422,-425,-425,-425,-493,-482,-532,-500,-704,-722,-802,-800,-802,-767,-859,-861,-978,-939,-884,-854]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. Nf1 Bd7 13. Ng3 Na5 14. Bc2 Nc4 15. b3 Nb6 16. Be3 {C93: Closed Ruy Lopez: Smyslov Variation} c5 17. d5 Bc8 $146 ({Predecessor:} 17... Qc7 18. Nd2 c4 19. Bxb6 Qxb6 20. bxc4 Qa5 21. Qf3 Rec8 22. Ngf1 Rab8 23. Reb1 {½-½ (69) Romm,M (2460)-Schoen,A (2486) ICCF email 2014}) 18. Nd2 {White is slightly better.} g6 19. Bd3 h5 20. Nf3 ({White should try} 20. a4 $16) 20... Nh7 21. Qd2 Ra7 22. Ng5 (22. a4 $16) 22... Bh6 $14 {[%cal Rh6g5]} 23. Nxh7 Bxe3 24. Qxe3 {Strongly threatening Qh6.} Kxh7 25. Rf1 Qe7 26. f4 exf4 27. Rxf4 $2 {[%mdl 8192] [#]} (27. Qxf4 $11 {and White stays safe.} Kg8 28. Rf2) 27... Nxd5 $1 $19 {[%mdl 576] Double Attack, Pin. Black is clearly winning.} 28. Qf3 (28. exd5 Qxe3+) 28... Nxf4 29. Qxf4 d5 {Played: Qe7-e5} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.30"]
[White "Braeuer, Franz"]
[Black "Friesen, Viktor"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2429"]
[BlackElo "2170"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,57,0,0,0,0,0,0,0,0,0,0,45,45,116,124,116,100,117,114,72,68,182,189,226,214,236,234,250,16,147,160,171,110,107,65,221,213,428,414,1076,1065,12844,7410,5285,2605,29998,29999]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Bg5 O-O {C45: Scotch Game} 8. Bd3 h6 9. Bh4 d6 {The position is equal.} 10. h3 $146 ({Predecessor:} 10. Nd5 g5 11. Nxb6 axb6 12. Bg3 Re8 13. f3 Nh5 14. O-O Qf6 15. f4 Nxf4 16. Bxf4 gxf4 {0-1 (28) Mohammad,M (2290)-Kovalev,V (2683) Dhaka 2018}) 10... Re8 11. O-O Be6 12. Kh1 Ne5 (12... a5 $14) 13. f4 $16 Nxd3 14. Qxd3 Bxb3 15. axb3 c6 16. Rad1 Bc7 (16... Qe7 $1 $14) 17. Qf3 Qe7 {[#]} 18. e5 $1 {[%cal Re5f6][%mdl 512]} dxe5 19. Ne4 $1 Rad8 ({Don't play} 19... exf4 20. Nxf6+ gxf6 21. Qg4+ Kf8 22. Rd7 $18) 20. Rxd8 $2 (20. Rde1 $1 $18) 20... Bxd8 (20... Rxd8 $11 {remains equal.} 21. Bxf6 gxf6) 21. Bxf6 $1 gxf6 22. Qg4+ (22. Rd1 $18) 22... Kh8 {Threatening ...exf4.} 23. Qh5 {And now fxe5 would win.} Qf8 $2 {[#]} ({Black should try} 23... f5 $1 $14 24. Qxh6+ Kg8) 24. Rd1 $1 $18 {Hoping for Nd6.} exf4 $2 {[#]} (24... Be7 {was called for.} 25. fxe5 fxe5) 25. Nd6 $1 {[%cal Rd6f7]} Bc7 (25... Re7 $142 26. Nf5 Bc7 27. Nxh6 (27. Nxe7 Qxe7 28. Qxh6+ Kg8 $18) 27... Kg7 28. Nf5+ {[%mdl 64] Double Attack} Kg8 29. Qg4+ (29. Nxe7+ Qxe7 30. b4 Kg7 $18) 29... Kh7 30. Nxe7 Qxe7) 26. Nxf7+ {[%mdl 64] Double Attack} Kg7 27. Qxh6+ Kxf7 28. Qh7+ Ke6 29. Qd7+ {Accuracy: White = 78%, Black = 23%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.31"]
[White "Badelka, Olga"]
[Black "Bopp, Thomas"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2413"]
[BlackElo "2156"]
[Annotator "NA"]
[PlyCount "57"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. d5 {[%emt 0:00:00]} g6 {[%emt 0:00:01]} 3. c4 {[%emt 0:00:13]} Bg7 {[%emt 0:00:22]} 4. e4 {[%emt 0:01:21]} d6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:09]} 6. Bd3 {[%emt 0:10:00]} O-O {[%emt 0:00:16]} 7. h3 {[%emt 0:01:34]} a6 {[%emt 0:05:57]} 8. a4 {[%emt 0:00:07]} e6 {[%emt 0:00:20]} 9. Nf3 {[%emt 0:00:23]} Nbd7 {[%emt 0:01:26]} 10. O-O {[%emt 0:08:58]} e5 {[%emt 0:00:17]} 11. a5 {[%emt 0:00:06]} Nh5 {[%emt 0:04:15]} 12. Re1 {[%emt 0:00:25]} h6 {[%emt 0:05:53]} 13. Bf1 {[%emt 0:04:32]} Ndf6 {[%emt 0:09:21]} 14. Bd2 {[%emt 0:03:49]} Nh7 {[%emt 0:01:31]} 15. Na4 {[%emt 0:00:40]} Nf4 {[%emt 0:04:35]} 16. Nb6 {[%emt 0:00:25]} Rb8 {[%emt 0:00:08]} 17. b4 Ng5 {[%emt 0:03:33]} 18. Nxg5 {[%emt 0:12:28]} Qxg5 {[%emt 0:12:21]} 19. Nxc8 {[%emt 0:03:24]} Rbxc8 {[%emt 0:00:16]} 20. g3 {[%emt 0:00:29]} f5 {[%emt 0:00:30]} 21. bxc5 {[%emt 0:13:46]} fxe4 {[%emt 0:07:14]} 22. Ra3 {[%emt 0:00:53]} Rxc5 {[%emt 0:04:40]} 23. h4 {[%emt 0:00:26]} Qf5 {[%emt 0:01:05]} 24. gxf4 {[%emt 0:00:06]} exf4 {[%emt 0:00:36]} 25. Bh3 {[%emt 0:00:16]} Qf6 {[%emt 0:01:40]} 26. Rxe4 {[%emt 0:00:51]} Qxh4 {[%emt 0:00:28]} 27. Qg4 {[%emt 0:00:34]} Qxg4+ {[%emt 0:00:49]} 28. Bxg4 {[%emt 0:00:04]} Be5 {[%emt 0:00:40]} 29. Bb4 {[%emt 0:00:29]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.32"]
[White "Loew, Gerald"]
[Black "Manu David Suthandram R"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2162"]
[BlackElo "2403"]
[Annotator "NA"]
[PlyCount "63"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Be2 {[%emt 0:00:00]} Nc6 {[%emt 0:00:13]} 3. f4 {[%emt 0:00:15]} e6 {[%emt 0:01:40]} 4. Nf3 {[%emt 0:00:24]} d5 {[%emt 0:00:09]} 5. d3 {[%emt 0:00:51]} Nf6 {[%emt 0:00:34]} 6. e5 {[%emt 0:00:55]} Nd7 {[%emt 0:00:14]} 7. c4 {[%emt 0:01:02]} d4 {[%emt 0:05:39]} 8. Nbd2 {[%emt 0:04:04]} Be7 {[%emt 0:00:11]} 9. Ne4 {[%emt 0:01:22]} O-O {[%emt 0:01:37]} 10. O-O {[%emt 0:00:20]} f6 {[%emt 0:00:59]} 11. exf6 {[%emt 0:01:21]} Nxf6 {[%emt 0:00:08]} 12. Nfg5 {[%emt 0:01:21]} Nxe4 {[%emt 0:02:15]} 13. Nxe4 {[%emt 0:00:16]} Bd7 {[%emt 0:01:41]} 14. Bg4 {[%emt 0:04:27]} Qc8 {[%emt 0:08:26]} 15. Qe2 {[%emt 0:07:19]} e5 {[%emt 0:12:53]} 16. Bxd7 {[%emt 0:00:33]} Qxd7 {[%emt 0:00:08]} 17. Bd2 {[%emt 0:02:13]} exf4 {[%emt 0:03:19]} 18. Bxf4 {[%emt 0:02:17]} Rf5 {[%emt 0:06:18]} 19. a3 {[%emt 0:08:01]} Raf8 {[%emt 0:00:42]} 20. Bg3 {[%emt 0:06:11]} a6 {[%emt 0:02:22]} 21. Rxf5 {[%emt 0:06:11]} Rxf5 {[%emt 0:01:18]} 22. Rf1 {[%emt 0:01:25]} Rxf1+ {[%emt 0:03:58]} 23. Kxf1 {[%emt 0:01:49]} g6 {[%emt 0:09:37]} 24. Ke1 {[%emt 0:02:46]} Kg7 {[%emt 0:01:37]} 25. h3 {[%emt 0:07:06]} h5 {[%emt 0:06:48]} 26. Bf4 {[%emt 0:04:36]} Qf5 {[%emt 0:02:58]} 27. Bc7 {[%emt 0:04:47]} b5 {[%emt 0:08:53]} 28. b3 {[%emt 0:03:38]} Qd7 {[%emt 0:00:13]} 29. Bb6 {[%emt 0:12:23]} Qf5 {[%emt 0:07:15]} 30. Bc7 {[%emt 0:01:52]} Qd7 {[%emt 0:00:29]} 31. Bb6 {[%emt 0:00:20]} Qf5 {[%emt 0:00:15]} 32. Bc7 {[%emt 0:00:13]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.33"]
[White "Miller, Eduard"]
[Black "Schatz, Christian"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2402"]
[BlackElo "2152"]
[Annotator "NA"]
[PlyCount "93"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:01]} 3. g3 {[%emt 0:00:24]} g6 {[%emt 0:00:25]} 4. Bg2 {[%emt 0:00:09]} Bg7 {[%emt 0:00:13]} 5. Rb1 {[%emt 0:00:22]} a5 {[%emt 0:00:30]} 6. e4 {[%emt 0:06:18]} d6 {[%emt 0:00:42]} 7. Nge2 {[%emt 0:00:44]} Nge7 {[%emt 0:00:52]} 8. O-O {[%emt 0:00:33]} O-O {[%emt 0:00:24]} 9. d3 {[%emt 0:03:44]} Be6 {[%emt 0:01:44]} 10. Be3 {[%emt 0:01:22]} Nd4 {[%emt 0:00:48]} 11. Bxd4 {[%emt 0:01:51]} exd4 {[%emt 0:00:09]} 12. Nb5 {[%emt 0:00:10]} c5 {[%emt 0:02:21]} 13. Nf4 {[%emt 0:01:25]} Nc6 {[%emt 0:04:35]} 14. Nxe6 {[%emt 0:02:49]} fxe6 {[%emt 0:00:07]} 15. Bh3 {[%emt 0:00:30]} Qe7 {[%emt 0:01:15]} 16. f4 {[%emt 0:00:44]} Bh6 {[%emt 0:07:10]} 17. a3 {[%emt 0:02:49]} e5 {[%emt 0:06:48]} 18. f5 {[%emt 0:02:19]} gxf5 {[%emt 0:01:53]} 19. Bxf5 {[%emt 0:00:35]} Rad8 {[%emt 0:05:08]} 20. Kg2 {[%emt 0:11:37]} Kh8 {[%emt 0:01:08]} 21. b3 {[%emt 0:10:33]} Qg7 {[%emt 0:06:20]} 22. Qh5 {[%emt 0:02:55]} Ne7 {[%emt 0:02:17]} 23. Bh3 {[%emt 0:07:39]} Ng6 {[%emt 0:02:19]} 24. Bg4 {[%emt 0:01:51]} Be3 {[%emt 0:00:42]} 25. Rxf8+ {[%emt 0:01:37]} Rxf8 {[%emt 0:00:18]} 26. Rf1 {[%emt 0:00:33]} Ne7 {[%emt 0:10:09]} 27. Rf3 {[%emt 0:04:12]} Rxf3 {[%emt 0:02:16]} 28. Bxf3 {[%emt 0:00:06]} Ng6 {[%emt 0:00:12]} 29. Qg4 {[%emt 0:02:38]} Qe7 {[%emt 0:02:42]} 30. h4 {[%emt 0:01:14]} Nf8 {[%emt 0:02:05]} 31. Qf5 {[%emt 0:00:45]} Kg7 {[%emt 0:02:14]} 32. Bg4 {[%emt 0:01:04]} Kh6 {[%emt 0:02:49]} 33. Qc8 {[%emt 0:02:37]} Ng6 {[%emt 0:09:30]} 34. Qb8 {[%emt 0:05:11]} Nxh4+ {[%emt 0:02:23]} 35. gxh4 {[%emt 0:00:11]} Qxh4 {[%emt 0:00:23]} 36. Qxd6+ {[%emt 0:00:20]} Kg5 {[%emt 0:00:27]} 37. Qxe5+ {[%emt 0:00:08]} Kh6 {[%emt 0:01:45]} 38. Qd6+ {[%emt 0:00:45]} Kg7 {[%emt 0:00:58]} 39. Qc7+ {[%emt 0:00:08]} Kh6 {[%emt 0:01:03]} 40. Qb6+ {[%emt 0:00:16]} Kg7 {[%emt 0:00:51]} 41. Qxb7+ {[%emt 0:30:07]} Kh6 {[%emt 0:30:45]} 42. Qc6+ {[%emt 0:00:20]} Kg5 {[%emt 0:03:26]} 43. Qxc5+ {[%emt 0:00:40]} Kh6 {[%emt 0:00:05]} 44. Qf8+ {[%emt 0:00:04]} Kg6 {[%emt 0:00:31]} 45. Bf5+ {[%emt 0:00:41]} Kg5 {[%emt 0:00:46]} 46. Qe7+ {[%emt 0:00:11]} Kh5 47. Qe5 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.34"]
[White "Schaefer, Michael"]
[Black "Piscopo, Pierluigi"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2160"]
[BlackElo "2398"]
[Annotator "ChessBase"]
[PlyCount "75"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:20]} 3. c4 {[%emt 0:00:00]} Bg7 {[%emt 0:06:09]} 4. Nc3 {[%emt 0:00:17]} O-O {[%emt 0:00:07]} 5. Bg5 {[%emt 0:00:11]} c5 {[%emt 0:03:34]} 6. e3 {[%emt 0:02:12]} cxd4 {[%emt 0:01:53]} 7. exd4 {[%emt 0:03:18]} d5 {[%emt 0:00:39]} 8. Bxf6 {[%emt 0:00:12]} Bxf6 {[%emt 0:00:13]} 9. cxd5 {[%emt 0:00:20]} Nd7 {[%emt 0:04:15]} 10. Bc4 {[%emt 0:01:26]} Nb6 {[%emt 0:00:37]} 11. Bb3 {[%emt 0:00:06]} a5 {[%emt 0:10:06]} 12. a3 {[%emt 0:08:09]} Bg4 {[%emt 0:06:03]} 13. O-O {[%emt 0:05:09]} Nc8 {[%emt 0:00:12]} 14. h3 {[%emt 0:25:04]} Bxf3 {[%emt 0:01:02]} 15. Qxf3 {[%emt 0:00:05]} Nd6 {[%emt 0:00:49]} 16. Rad1 {[%emt 0:02:34]} Rc8 {[%emt 0:09:05]} 17. Rfe1 {[%emt 0:10:58]} Qb6 {[%emt 0:11:07]} 18. Na4 {[%emt 0:02:14]} Qa7 {[%emt 0:00:07]} 19. Nc5 {[%emt 0:02:37]} Bxd4 {[%emt 0:11:01]} 20. Rxd4 {[%emt 0:00:19]} Qxc5 {[%emt 0:00:16]} 21. Rd2 {[%emt 0:01:15]} Rc7 {[%emt 0:02:21]} 22. g4 {[%emt 0:06:26]} Rfc8 {[%emt 0:03:56]} 23. h4 {[%emt 0:01:25]} a4 {[%emt 0:02:08]} 24. Ba2 {[%emt 0:01:20]} Qa5 {[%emt 0:04:04]} 25. Rde2 {[%emt 0:04:23]} Rc1 {[%emt 0:12:58]} 26. Qe3 {[%emt 0:01:06]} Rxe1+ {[%emt 0:03:10]} 27. Rxe1 {[%emt 0:00:39]} Qc5 {[%emt 0:00:03]} 28. Qxc5 {[%emt 0:07:30]} Rxc5 {[%emt 0:00:02]} 29. Rxe7 {[%emt 0:00:07]} Rc2 {[%emt 0:05:50]} 30. Rd7 {[%emt 0:00:13]} Rxb2 {[%emt 0:00:07]} 31. Rxd6 {[%emt 0:00:06]} Rxa2 {[%emt 0:00:03]} 32. Rb6 {[%emt 0:00:32]} Rxa3 {[%emt 0:00:27]} 33. Rxb7 {[%emt 0:00:08]} Rd3 {[%emt 0:00:30]} 34. Ra7 {[%emt 0:00:41]} Rd4 {[%emt 0:02:04]} 35. f3 {[%emt 0:00:40]} Kg7 {[%emt 0:00:00]} 36. Kf2 {[%emt 0:01:35]} h5 {[%emt 0:00:44]} 37. Ke3 {[%emt 0:00:56]} Rxd5 {[%emt 0:00:33]} 38. Rxa4 {[%emt 0:00:13]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.35"]
[White "Smits, Mark"]
[Black "Atakisi, Umut"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2132"]
[BlackElo "2393"]
[Annotator "NA"]
[PlyCount "58"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:03]} Nc6 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:02:14]} Qc7 {[%emt 0:00:00]} 6. f4 {[%emt 0:00:37]} a6 {[%emt 0:00:20]} 7. Nxc6 {[%emt 0:00:28]} bxc6 {[%emt 0:00:06]} 8. e5 {[%emt 0:00:32]} d5 {[%emt 0:00:23]} 9. exd6 {[%emt 0:00:08]} Bxd6 {[%emt 0:00:06]} 10. Qf3 {[%emt 0:02:14]} Nf6 {[%emt 0:01:31]} 11. Bd3 {[%emt 0:00:13]} Bb7 {[%emt 0:02:55]} 12. Ne4 {[%emt 0:11:41]} Nxe4 {[%emt 0:04:55]} 13. Bxe4 {[%emt 0:00:49]} f5 {[%emt 0:11:14]} 14. Bd3 {[%emt 0:00:25]} c5 {[%emt 0:00:08]} 15. Qe2 {[%emt 0:00:42]} O-O {[%emt 0:00:29]} 16. O-O {[%emt 0:04:58]} e5 {[%emt 0:22:18]} 17. Qf2 {[%emt 0:10:44]} c4 {[%emt 0:07:28]} 18. Be2 {[%emt 0:00:32]} Rae8 {[%emt 0:01:19]} 19. Be3 {[%emt 0:26:32]} exf4 {[%emt 0:03:18]} 20. Bd4 {[%emt 0:00:05]} f3 {[%emt 0:04:54]} 21. gxf3 {[%emt 0:02:38]} Re6 {[%emt 0:05:29]} 22. Kh1 {[%emt 0:22:15]} Bxh2 {[%emt 0:09:31]} 23. Qxh2 {[%emt 0:00:31]} Qxh2+ {[%emt 0:00:06]} 24. Kxh2 {[%emt 0:00:04]} Rxe2+ {[%emt 0:00:06]} 25. Kg3 {[%emt 0:01:41]} f4+ {[%emt 0:00:32]} 26. Kh4 {[%emt 0:04:19]} Rh2+ {[%emt 0:00:19]} 27. Kg5 {[%emt 0:00:11]} h6+ {[%emt 0:01:42]} 28. Kg6 {[%emt 0:00:12]} Bc8 {[%emt 0:00:42]} 29. Bxg7 {[%emt 0:00:35]} Bf5# {[%emt 0:00:13]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.36"]
[White "Baum, Jonasz"]
[Black "Nehyba, Martin"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2341"]
[BlackElo "2129"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 6. Ndb5 {[%emt 0:00:06]} d6 {[%emt 0:02:20]} 7. Bf4 {[%emt 0:00:10]} e5 {[%emt 0:00:06]} 8. Bg5 {[%emt 0:00:04]} a6 {[%emt 0:00:06]} 9. Na3 {[%emt 0:00:05]} b5 {[%emt 0:00:14]} 10. Bxf6 {[%emt 0:00:15]} gxf6 {[%emt 0:00:05]} 11. Nd5 {[%emt 0:00:04]} f5 {[%emt 0:00:07]} 12. c3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:25]} 13. exf5 {[%emt 0:00:15]} Bxf5 {[%emt 0:06:55]} 14. Nc2 {[%emt 0:00:06]} O-O {[%emt 0:01:12]} 15. Nce3 {[%emt 0:00:04]} Be6 {[%emt 0:01:43]} 16. Bd3 {[%emt 0:00:07]} f5 {[%emt 0:02:27]} 17. O-O {[%emt 0:02:55]} Ne7 {[%emt 0:18:05]} 18. Nxe7+ {[%emt 0:00:46]} Qxe7 {[%emt 0:00:02]} 19. Bxf5 {[%emt 0:00:33]} Bxf5 {[%emt 0:09:56]} 20. Nxf5 {[%emt 0:00:06]} Qe6 {[%emt 0:00:08]} 21. Qd5 {[%emt 0:06:34]} Qxd5 {[%emt 0:06:20]} 22. Ne7+ {[%emt 0:00:21]} Kf7 {[%emt 0:00:01]} 23. Nxd5 {[%emt 0:00:06]} Rac8 {[%emt 0:00:10]} 24. a4 {[%emt 0:07:19]} Ke6 {[%emt 0:01:12]} 25. Rfd1 {[%emt 0:00:49]} a5 {[%emt 0:12:03]} 26. axb5 {[%emt 0:30:16]} Rc5 {[%emt 0:00:44]} 27. Ne3 {[%emt 0:12:47]} Rxb5 {[%emt 0:01:04]} 28. Nc4 {[%emt 0:05:45]} d5 {[%emt 0:05:00]} 29. Rxa5 {[%emt 0:00:25]} Rxa5 {[%emt 0:00:23]} 30. Nxa5 {[%emt 0:00:02]} Rb8 {[%emt 0:00:18]} 31. b3 {[%emt 0:18:14]} Rb5 {[%emt 0:03:29]} 32. b4 {[%emt 0:01:01]} e4 {[%emt 0:01:59]} 33. c4 {[%emt 0:08:33]} dxc4 {[%emt 0:01:01]} 34. Nxc4 {[%emt 0:00:06]} Rxb4 {[%emt 0:00:07]} 35. Ne3 {[%emt 0:00:17]} Ra4 {[%emt 0:01:35]} 36. g3 {[%emt 0:04:23]} Ra1 {[%emt 0:05:12]} 37. Rxa1 {[%emt 0:00:06]} Bxa1 {[%emt 0:00:04]} 38. Nc2 {[%emt 0:02:13]} Be5 {[%emt 0:01:16]} 39. Kf1 {[%emt 0:00:35]} Bc7 {[%emt 0:00:16]} 40. Ke2 {[%emt 0:00:36]} Bb6 {[%emt 0:00:08]} 41. Ne3 {[%emt 0:30:52]} Bc5 {[%emt 0:35:58]} 42. h3 {[%emt 0:00:32]} Ba7 {[%emt 0:00:33]} 43. Kd2 {[%emt 0:00:25]} Bb6 {[%emt 0:00:36]} 44. Ke2 {[%emt 0:01:59]} Ba7 {[%emt 0:00:07]} 45. h4 {[%emt 0:00:10]} Bc5 {[%emt 0:00:19]} 46. Kf1 {[%emt 0:00:09]} Bxe3 {[%emt 0:02:25]} 47. fxe3 {[%emt 0:01:18]} Kf5 {[%emt 0:00:08]} 48. h5 {[%emt 0:00:00]} Kg4 {[%emt 0:00:00]} 49. Kg2 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 50. Kh2 {[%emt 0:00:00]} Kf3 {[%emt 0:00:00]} 51. Kh3 {[%emt 0:00:00]} Kxe3 {[%emt 0:00:00]} 52. g4 {[%emt 0:00:00]} Kf3 {[%emt 0:00:00]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.37"]
[White "Renner, Kai"]
[Black "Singer, Christoph"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2153"]
[BlackElo "2339"]
[Annotator "NA"]
[PlyCount "48"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. e5 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:34]} d6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:32]} g6 {[%emt 0:00:34]} 5. c4 {[%emt 0:06:49]} Nb6 {[%emt 0:00:09]} 6. exd6 {[%emt 0:01:19]} cxd6 {[%emt 0:00:39]} 7. Be2 {[%emt 0:00:34]} Bg7 {[%emt 0:00:19]} 8. O-O {[%emt 0:01:06]} Bg4 {[%emt 0:04:37]} 9. Be3 {[%emt 0:05:40]} O-O {[%emt 0:03:35]} 10. Nc3 {[%emt 0:09:16]} Nc6 {[%emt 0:02:28]} 11. b3 {[%emt 0:02:21]} d5 {[%emt 0:21:15]} 12. c5 {[%emt 0:04:16]} Nc8 {[%emt 0:00:08]} 13. Rc1 {[%emt 0:08:30]} e6 {[%emt 0:02:36]} 14. Ne1 {[%emt 0:25:15]} Bxe2 {[%emt 0:03:37]} 15. Nxe2 {[%emt 0:00:15]} N8e7 {[%emt 0:02:52]} 16. Qd2 {[%emt 0:01:43]} Nf5 {[%emt 0:03:51]} 17. Nf3 {[%emt 0:00:50]} f6 {[%emt 0:13:49]} 18. Rfd1 {[%emt 0:03:24]} Rf7 {[%emt 0:11:15]} 19. a3 {[%emt 0:04:55]} Rd7 {[%emt 0:00:23]} 20. b4 {[%emt 0:01:47]} a6 {[%emt 0:00:05]} 21. Ng3 {[%emt 0:07:43]} Nfe7 {[%emt 0:07:53]} 22. a4 {[%emt 0:02:18]} a5 {[%emt 0:01:07]} 23. b5 {[%emt 0:00:08]} Nb4 {[%emt 0:00:01]} 24. Ne1 {[%emt 0:02:38]} e5 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.38"]
[White "Konik, Michael"]
[Black "Forchert, Martin"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "2126"]
[BlackElo "2335"]
[Annotator "NA"]
[PlyCount "54"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. e5 {[%emt 0:00:00]} Nfd7 {[%emt 0:00:00]} 4. f4 {[%emt 0:00:01]} c5 {[%emt 0:00:12]} 5. Nf3 {[%emt 0:03:01]} Nc6 {[%emt 0:00:17]} 6. d4 {[%emt 0:02:51]} cxd4 {[%emt 0:01:46]} 7. Nxd4 {[%emt 0:03:19]} Nxd4 {[%emt 0:00:18]} 8. Qxd4 {[%emt 0:00:36]} e6 {[%emt 0:00:07]} 9. Qf2 {[%emt 0:06:34]} f6 {[%emt 0:05:59]} 10. Be3 {[%emt 0:15:38]} Bb4 {[%emt 0:01:00]} 11. Bd3 {[%emt 0:09:34]} O-O {[%emt 0:02:56]} 12. Qh4 {[%emt 0:02:49]} f5 {[%emt 0:00:55]} 13. Qxd8 {[%emt 0:00:41]} Rxd8 {[%emt 0:00:08]} 14. O-O {[%emt 0:00:25]} Nc5 {[%emt 0:13:03]} 15. Nb5 {[%emt 0:02:57]} Nxd3 {[%emt 0:01:42]} 16. cxd3 {[%emt 0:00:21]} Bd7 {[%emt 0:01:08]} 17. Nd4 {[%emt 0:06:26]} b6 {[%emt 0:04:01]} 18. Kf2 {[%emt 0:02:47]} Rac8 {[%emt 0:00:26]} 19. Rfc1 {[%emt 0:01:32]} Kf7 {[%emt 0:05:13]} 20. Rxc8 {[%emt 0:06:09]} Rxc8 {[%emt 0:00:08]} 21. Rc1 {[%emt 0:00:49]} Rxc1 {[%emt 0:00:34]} 22. Bxc1 {[%emt 0:00:08]} h6 {[%emt 0:00:34]} 23. Ke2 {[%emt 0:01:37]} Be7 {[%emt 0:02:01]} 24. Bd2 {[%emt 0:07:20]} g5 {[%emt 0:05:03]} 25. g3 {[%emt 0:01:07]} Bc5 {[%emt 0:08:35]} 26. Nb3 {[%emt 0:03:12]} Be7 {[%emt 0:01:06]} 27. Nd4 {[%emt 0:00:04]} Bc5 {[%emt 0:11:19]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.39"]
[White "Koepke, Christian"]
[Black "Juergens, Klaus"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2332"]
[BlackElo "2121"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,90,-13,13,16,15,6,25,22,14,14,16,15,29,23,24,31,35,29,34,34,38,34,35,28,43,24,31,32,39,0,0,0,4,0,30,0,58,14,14,12,11,4,8,-27,-32,-20,-29,-111,-133,-127,-117,-311,-325,-456,-261,-364,-354,-345,-348,-370,-363,-361,-323,-371,-343,-368,-347,-368,-368,-340,-357,-405,-281,-275,-172,-210,-94,-91,-85,-94,-93,-120,-83]} 1. b3 Nf6 2. Bb2 g6 3. Bxf6 exf6 4. c4 Bg7 5. Nc3 O-O (5... f5 6. Rc1 c5 7. g3 O-O 8. Bg2 Nc6 9. Nh3 g5 10. f4 h6 11. O-O d6 12. fxg5 hxg5 {1-0 (40) Rapport,R (2709)-Naiditsch,A (2711) Jurmala 2015}) 6. g3 {A01: Nimzowitsch-Larsen Opening} f5 7. Rc1 d6 $146 ({Predecessor:} 7... Re8 8. Bg2 d6 9. e3 Nd7 10. Nge2 Nc5 11. Qc2 a5 12. d4 Nd7 {0-1 (78) Aydin,A (1747)-Ozkara,H (1788) Konya 2017}) 8. Bg2 {White has an edge.} Nd7 9. e3 a5 10. Nge2 Re8 11. O-O Nc5 12. Qc2 c6 13. d4 Nd7 14. a3 Nf6 15. b4 axb4 16. axb4 Bd7 17. b5 Qa5 18. Qb2 Qa3 19. Rb1 (19. Qb1 {keeps more tension.} Qa5 20. Rc2 Qc7 21. Rb2 Rec8 22. Nf4) 19... Qxb2 20. Rxb2 Ra7 21. Rfb1 Kf8 22. Nc1 c5 ({Black should play} 22... Rea8 $11) 23. b6 Ra3 24. Rb3 Rxb3 25. Nxb3 cxd4 26. exd4 Ne4 27. Nxe4 fxe4 28. d5 (28. Ra1 $11 {keeps the balance.}) 28... e3 $17 29. fxe3 Rxe3 {Threatens to win with ...Bf5.} 30. Kf2 $2 (30. c5 $17 Bf5 31. Kf2) 30... Rc3 $19 31. Na5 (31. Ke2 {is a better defense.}) 31... Bc8 (31... Bd4+ $142 32. Kf1 Rc2) 32. Be4 Bd4+ 33. Kg2 Re3 34. Bf3 Ra3 35. Nc6 Bf5 ({Not} 35... bxc6 36. dxc6 Ra2+ 37. Kh1 $11) 36. Rd1 Ra2+ 37. Kh1 Bxb6 38. Nd4 Bh3 {[#] Strongly threatening ...Rf2.} 39. Ne2 g5 40. g4 f5 41. gxf5 Bxf5 42. Ng3 {[#]} Bg6 (42... Bh3 $1 $19 43. Rb1 Be3) 43. Be4 $17 {Black is better.} Be3 44. Bxg6 hxg6 45. Rf1+ Bf4 {Accuracy: White = 53%, Black = 53%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.40"]
[White "Faerber, David"]
[Black "Freundorfer, Josef"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2332"]
[BlackElo "2111"]
[Annotator "RC"]
[PlyCount "118"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:07]} 4. Ba4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:14]} 5. d3 {[%emt 0:00:00]} Bc5 {[%emt 0:00:50]} 6. Nc3 {[%emt 0:04:16]} h6 {[%emt 0:05:24]} 7. h3 {[%emt 0:17:14]} d6 {[%emt 0:04:48]} 8. Bxc6+ {[%emt 0:02:10]} bxc6 {[%emt 0:00:11]} 9. Be3 {[%emt 0:01:40]} Bxe3 {[%emt 0:03:48]} 10. fxe3 {[%emt 0:00:27]} Qe7 {[%emt 0:02:11]} 11. Qe2 {[%emt 0:08:46]} a5 {[%emt 0:04:12]} 12. O-O {[%emt 0:14:04]} Rb8 {[%emt 0:13:16]} 13. Rab1 {[%emt 0:06:53]} O-O {[%emt 0:06:40]} 14. Kh1 {[%emt 0:12:24]} Re8 {[%emt 0:09:17]} 15. Nd2 {[%emt 0:07:34]} Be6 {[%emt 0:09:15]} 16. Nb3 {[%emt 0:06:55]} Ra8 {[%emt 0:02:14]} 17. Qf3 {[%emt 0:04:41]} d5 {[%emt 0:12:07]} 18. exd5 {[%emt 0:01:27]} cxd5 {[%emt 0:00:27]} 19. d4 {[%emt 0:00:05]} e4 {[%emt 0:04:47]} 20. Qe2 {[%emt 0:00:29]} Reb8 {[%emt 0:14:01]} 21. Nc5 {[%emt 0:00:25]} Bc8 {[%emt 0:00:13]} 22. Qf2 {[%emt 0:03:14]} Rb6 {[%emt 0:00:48]} 23. Qh4 {[%emt 0:01:01]} Rab8 {[%emt 0:00:35]} 24. b3 {[%emt 0:00:13]} Rd6 {[%emt 0:00:24]} 25. Kg1 {[%emt 0:01:21]} Be6 {[%emt 0:01:02]} 26. Ne2 {[%emt 0:01:24]} Re8 {[%emt 0:00:50]} 27. Qf2 {[%emt 0:01:21]} Nd7 {[%emt 0:00:36]} 28. Nxd7 {[%emt 0:00:45]} Bxd7 {[%emt 0:00:23]} 29. Kh2 {[%emt 0:00:44]} Bb5 {[%emt 0:01:05]} 30. Rbe1 {[%emt 0:01:17]} Rc6 {[%emt 0:00:17]} 31. Rc1 {[%emt 0:00:44]} Rd8 {[%emt 0:00:16]} 32. a4 {[%emt 0:00:58]} Ba6 {[%emt 0:00:07]} 33. Rfe1 {[%emt 0:00:11]} Rf6 {[%emt 0:00:55]} 34. Qh4 {[%emt 0:00:39]} Qd6+ {[%emt 0:00:49]} 35. Qg3 {[%emt 0:00:25]} g5 {[%emt 0:01:50]} 36. Qxd6 {[%emt 0:01:00]} Rdxd6 {[%emt 0:00:20]} 37. Nc3 {[%emt 0:00:40]} c6 {[%emt 0:00:32]} 38. Kg1 {[%emt 0:00:11]} Rf5 {[%emt 0:00:09]} 39. Ne2 {[%emt 0:02:07]} Kh7 {[%emt 0:02:12]} 40. Ng3 {[%emt 0:00:32]} Rff6 {[%emt 0:00:20]} 41. c4 {[%emt 0:02:20]} Kg6 {[%emt 0:20:11]} 42. Rf1 {[%emt 0:08:58]} h5 {[%emt 0:01:47]} 43. Rxf6+ {[%emt 0:04:51]} Rxf6 {[%emt 0:00:11]} 44. Nf1 {[%emt 0:00:55]} Bb7 {[%emt 0:03:54]} 45. Nd2 {[%emt 0:01:37]} h4 {[%emt 0:01:42]} 46. Nb1 {[%emt 0:03:50]} g4 {[%emt 0:01:52]} 47. hxg4 {[%emt 0:01:37]} Kg5 {[%emt 0:00:09]} 48. cxd5 {[%emt 0:02:00]} cxd5 {[%emt 0:00:13]} 49. Rc5 {[%emt 0:00:09]} Kxg4 {[%emt 0:00:41]} 50. Rxa5 {[%emt 0:02:28]} h3 {[%emt 0:01:27]} 51. Nd2 {[%emt 0:00:30]} Kg3 {[%emt 0:01:14]} 52. gxh3 {[%emt 0:00:05]} Rf2 53. Nf1+ {[%emt 0:00:18]} Kf3 {[%emt 0:00:52]} 54. Ra7 {[%emt 0:00:14]} Rg2+ {[%emt 0:01:01]} 55. Kh1 {[%emt 0:00:00]} Kf2 {[%emt 0:00:10]} 56. Rxb7 {[%emt 0:05:31]} Rg1+ {[%emt 0:00:09]} 57. Kh2 {[%emt 0:00:03]} Rg2+ {[%emt 0:00:07]} 58. Kh1 {[%emt 0:00:03]} Rg1+ {[%emt 0:00:08]} 59. Kh2 {[%emt 0:00:03]} Rg2+ {[%emt 0:00:09] Rb8} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.41"]
[White "De Ruijter, Luuk"]
[Black "Wiest, Leonhard"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2214"]
[BlackElo "2014"]
[Annotator "NA"]
[PlyCount "27"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. c4 {[%emt 0:00:25]} e6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:11]} Bb4+ {[%emt 0:00:56]} 5. Bd2 {[%emt 0:00:22]} Be7 {[%emt 0:00:07]} 6. Qc2 {[%emt 0:00:17]} c6 {[%emt 0:00:59]} 7. Bg2 {[%emt 0:00:13]} O-O {[%emt 0:00:16]} 8. O-O {[%emt 0:00:19]} Nbd7 {[%emt 0:00:26]} 9. Rd1 {[%emt 0:01:40]} Ne4 {[%emt 0:05:02]} 10. Nc3 {[%emt 0:03:42]} Nxd2 {[%emt 0:02:03]} 11. Nxd2 {[%emt 0:00:18]} f5 {[%emt 0:00:09]} 12. cxd5 {[%emt 0:02:43]} exd5 {[%emt 0:02:54]} 13. a3 {[%emt 0:01:38]} f4 {[%emt 0:06:46]} 14. Nf3 {[%emt 0:02:39]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.42"]
[White "Thiel, Fabian"]
[Black "Guttenthaler, Franz"]
[Result "1/2-1/2"]
[ECO "E25"]
[WhiteElo "2109"]
[BlackElo "2328"]
[Annotator "NA"]
[PlyCount "51"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:17]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:55]} 4. f3 {[%emt 0:00:00]} d5 {[%emt 0:01:32]} 5. a3 {[%emt 0:00:00]} Bxc3+ {[%emt 0:00:11]} 6. bxc3 {[%emt 0:00:03]} c5 {[%emt 0:05:41]} 7. cxd5 {[%emt 0:00:42]} exd5 {[%emt 0:00:14]} 8. e3 {[%emt 0:01:03]} O-O {[%emt 0:01:53]} 9. Bd3 {[%emt 0:00:27]} b6 {[%emt 0:00:51]} 10. Ne2 {[%emt 0:00:49]} Ba6 {[%emt 0:00:33]} 11. Ng3 {[%emt 0:04:57]} Re8 {[%emt 0:05:01]} 12. O-O {[%emt 0:01:31]} Bxd3 {[%emt 0:14:04]} 13. Qxd3 {[%emt 0:01:46]} Nc6 {[%emt 0:00:09]} 14. Bb2 {[%emt 0:02:49]} Qc7 {[%emt 0:05:11]} 15. Rae1 {[%emt 0:05:00]} Rad8 {[%emt 0:00:57]} 16. e4 {[%emt 0:10:07]} Na5 {[%emt 0:07:46]} 17. e5 {[%emt 0:04:15]} Nd7 {[%emt 0:00:08]} 18. Nf5 {[%emt 0:02:10]} Nf8 {[%emt 0:06:30]} 19. f4 {[%emt 0:11:28]} Nc4 {[%emt 0:08:29]} 20. Bc1 {[%emt 0:02:46]} Qd7 {[%emt 0:00:42]} 21. Rf3 {[%emt 0:23:43]} Kh8 {[%emt 0:00:35]} 22. Rg3 {[%emt 0:02:49]} g6 {[%emt 0:00:22]} 23. Ne3 {[%emt 0:04:11]} Nxe3 {[%emt 0:08:33]} 24. Bxe3 {[%emt 0:00:21]} c4 {[%emt 0:00:09]} 25. Qc2 {[%emt 0:01:50]} f5 {[%emt 0:04:00]} 26. exf6 {[%emt 0:05:39]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.43"]
[White "Lavrinenkov, Vadim"]
[Black "Proschmann, Tino"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2306"]
[BlackElo "2106"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,109,18,0,0,0,22,29,34,22,82,0,144,147,158,153,147,131,168,139,222,210,204,169,171,169,177,178,163,147,154,135,141,138,139,119,145,140,174,171,184,183,178,174,183,187,178,138,138,140,140,125,127,128,163,151,182,179,175,143,187,181,230,218,294,291,247,47,122,14,40,14,14,14,14,14,294,293,1089,0,8,0,1019,1067,886,796,5197,5197,5189,5189,5189,5189,5189,5189,5182,5053,4634,4631,4622,4622]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Nh5 7. Be5 f6 {D13: Slav Defence: Exchange variation without ...Bf5} 8. Bg3 $1 e5 (8... Be6 9. e3 Nxg3 10. hxg3 Bf7 11. Bd3 g6 12. O-O e6 13. Rc1 Bd6 14. Na4 O-O 15. a3 {½-½ (45) Inarkiev,E (2684)-Motylev,A (2659) Yaroslavl 2018}) 9. e3 Nxg3 {White has an edge.} 10. hxg3 Be6 {[#]} (10... e4 $11) 11. Bb5 (11. dxe5 $1 $16 fxe5 12. Bb5) 11... Bd6 $146 (11... e4 $1 $11 {remains equal.} 12. Nd2 Bb4) ({Predecessor:} 11... e4 12. Nd2 Rc8 13. Qb3 Kf7 14. Rc1 Na5 15. Qa4 {0-1 (52) Avramidou,A (2249)-Colijn,S (2329) Anogia 2019}) 12. dxe5 $16 fxe5 {[#]} 13. Nxe5 $1 {[%mdl 512]} Bxe5 14. Bxc6+ $1 bxc6 15. Qh5+ {[%mdl 64] Double Attack} Kd7 (15... Kf8 $16 {might work better.} 16. Qxe5 Bf7) 16. Qxe5 $18 Qe7 17. O-O-O Bg4 18. Qxe7+ Kxe7 19. Rd4 Bf5 20. Re1 Rhe8 21. e4 dxe4 22. Nxe4 Kf8 23. Re3 {And now Rf3 would win.} Kg8 24. f3 Rad8 25. Ra4 Bxe4 26. Rexe4 Rxe4 27. Rxe4 {[%mdl 4096] Endgame KR-KR} ({Don't play} 27. fxe4 $6 Rd3 $16) 27... Kf7 28. Kc2 Rd5 29. Kc3 h5 30. g4 h4 31. Rd4 Re5 32. Kd2 Kg6 33. f4 Rb5 34. b3 a5 35. Kc3 Kh7 36. Rc4 Rd5 37. Rxc6 Rd1 38. Rc5 g6 {intending ...Rg1.} 39. f5 $2 (39. Rxa5 $18 {Black must now prevent Ra7+.} Rc1+ 40. Kd4) 39... Rg1 $14 40. fxg6+ ({Don't take} 40. Rxa5 $6 Rxg2 41. Re5 Rg3+ 42. Kd2 Rxg4 $11) (40. f6 $16) 40... Kxg6 $11 41. Rh5 Rxg2 42. Rxh4 {aiming for a4.} Rxa2 43. Rh5 a4 $2 {[%mdl 8192]} (43... Kf6 $11 {and Black is okay.}) 44. b4 $18 Ra3+ $2 (44... Kf6 45. b5 Ke7) 45. Kc2 $2 ({White must play} 45. Kc4 $18 {Threatens to win with Ra5.} Rg3 46. Kc5) 45... Ra2+ 46. Kc3 $2 {[%mdl 8192]} (46. Kd3 $11) 46... Ra3+ $1 47. Kc4 {White is clearly winning.} Rg3 48. Ra5 Rxg4+ 49. Kb5 Kf6 50. Rxa4 Ke7 51. Ra1 Kd7 {[#]} 52. Rc1 $1 Rg8 53. Rc4 Kd6 54. Ka6 Kd5 55. Rc1 {[%mdl 32768] Accuracy: White = 63%, Black = 38%. . Loss on time!?} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.30"]
[Round "5.44"]
[White "Hallmann, Norbert"]
[Black "Nasshan, Dennis"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2105"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,103,22,13,9,-18,0,0,0,-34,105,102,96,103,179,177,185,172,168,150,114,39,39,12,25,15,34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,-14,-8,-4,-2,-2,-4,-82,0,0,0,0,0,0,0,0,0,0,0,0,0,-25,-14,-21,0,-53,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nd7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 Qb6 {B19: Classical Caro-Kann: 4...Bf5 main line} 14. Qe2 Rd8 15. Ne5 O-O {[#]} 16. Ka1 $146 ({Predecessor:} 16. Bc1 c5 17. Nxd7 Rxd7 18. dxc5 Qxc5 19. Rxd7 Nxd7 20. Ne4 Qc6 21. Rh3 {0-1 (55) Ponomariov,R (2675)-Esipenko,A (2624) Khanty-Mansiysk 2019}) 16... Qb5 (16... Rfe8 $15 {keeps the upper hand.}) 17. Ng6 {Threatens to win with Qxb5.} Rfe8 18. c4 Qa6 (18... Qb6 $16 {might work better.}) 19. Nxe7+ $18 Rxe7 {[#]} 20. Nf5 $1 {[%cal Rf5e7]} Ree8 21. Nd6 Rf8 22. Rh3 (22. g4 $16 {Black must now prevent g5.} c5 23. Nb5) 22... c5 $14 23. Nb5 cxd4 24. Bb4 Rfe8 25. Nc7 Qb6 26. Nxe8 Rxe8 27. Rb3 $1 e5 28. Be7 Qc6 29. Bxf6 $1 Nxf6 30. Rb5 Qc7 31. g4 a6 32. Rb3 Re6 33. Rg3 Qc6 34. f3 Nh7 35. Rgg1 Ng5 36. Rgf1 Nh3 37. Qe4 {[#]} (37. b3 $11) 37... Qc7 ({Black should play} 37... Qxe4 $1 $17 38. fxe4 Ng5) 38. a3 $11 Nf4 39. Rf2 Rc6 40. Rc2 Ne6 41. Re1 f6 42. Kb1 Kf8 ({Much weaker is} 42... Rxc4 $6 43. Rxc4 Qxc4 44. Qxb7 $16) 43. Rg1 a5 44. Qf5 (44. c5 $5) 44... Kg8 45. Qe4 a4 ({Much worse is} 45... Rxc4 46. Rxc4 Qxc4 47. Qxb7 $16) 46. Qg6 (46. c5 $11) 46... Nf4 (46... Qd7 $15) 47. Qe8+ {The position is equal.} Kh7 48. Rd1 Ne6 ({But not} 48... Rxc4 $2 49. Rdc1 $16) 49. Qg6+ Kg8 50. Qe8+ Kh7 $1 51. Qg6+ Kg8 52. Qe8+ {Accuracy: White = 63%, Black = 51%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.1"]
[White "Gareyev, Timur"]
[Black "Bernadskiy, Vitaliy"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2591"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,15,27,0,18,0,0,0,0,0,0,0,20,20,14,9,10,8,4,0,0,4,29,0,2,0,6,-12,0,-6,11,13,23,14,17,18,23,16,34,33,42,36,83,86,109,86,90,75,136,141,127,129,120,127,541,525,474,443,566,568,566,568,564,576,606,569,599,589]} 1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nd7 5. Bd3 Bd6 6. O-O dxc4 7. Bxc4 Ngf6 8. b3 {D30: Queen's Gambit Declined: Systems without Nc3} (8. Nbd2 O-O 9. Be2 c5 10. b3 b6 11. Nc4 Bc7 12. a4 Bb7 13. Ba3 Ne4 14. Rc1 Qf6 15. Ncd2 Rac8 16. Nxe4 Bxe4 {0-1 (110) Kozul,Z (2612)-Adhiban,B (2682) Zagreb 2018}) 8... Qe7 $146 ({Predecessor:} 8... e5 9. Bb2 {½-½ (24) Dizdar,G (2564)-Horvath,C (2530) Austria 2008}) 9. Bb2 e5 10. Nbd2 {The position is equal.} O-O 11. Qc2 e4 12. Ng5 {[%cal Rg5e4]} Bxh2+ 13. Kxh2 {Hoping for Kg1.} Ng4+ 14. Kg1 Qxg5 15. Qxe4 Ndf6 $132 {[%mdl 2048] Black has counterplay} 16. Qf4 Qxf4 17. exf4 Nd5 18. g3 Bf5 19. Rfe1 Rfe8 20. a3 Ngf6 21. Re5 Be6 22. f5 Bd7 23. Bd3 Ng4 24. Rxe8+ Rxe8 25. Nc4 Nh6 26. Nd6 Re7 27. Rc1 f6 28. a4 Be8 29. Ba3 {Strongly threatening Bc4.} Bh5 30. Kg2 Nf7 (30... Rd7 $142) 31. Nxf7 $16 Rxf7 32. Rh1 Bg4 {[#]} 33. Re1 $1 {[%cal Re1e8] White threatens Re8+ and mate.} h6 $2 {[%mdl 8192] [#]} (33... g6 $16) 34. f3 $1 $18 {White is clearly winning.} Bh5 35. Rh1 Rd7 36. Rxh5 Ne3+ 37. Kf2 Nd1+ 38. Ke1 Rxd4 39. Bc4+ ({Not} 39. Kxd1 Rxd3+ 40. Kc2 Rxf3 $16) 39... Kh8 40. Bc5 {Accuracy: White = 72%, Black = 27%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.2"]
[White "Idani, Pouya"]
[Black "Eljanov, Pavel"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2568"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,18,15,22,20,20,24,22,38,27,30,21,22,15,31,33,20,23,16,16,30,26,18,0,12,11,11,11,11,11,11,11,11,11,11,11,18,11,11,11,12,14]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bd7 5. Nc3 e6 6. Be3 {B12: Caro-Kann: Advance Variation} Qb6 (6... Ne7 7. Qd2 h5 8. g5 g6 9. Bd3 Na6 10. a3 Nc7 11. Nge2 Nf5 12. Bxf5 exf5 {½-½ (41) Nepomniachtchi,I (2732)-Anand,V (2786) Leuven 2017}) 7. Na4 Qc7 8. f4 {White has an edge.} Na6 9. Nf3 h5 10. gxh5 $146 ({Predecessor:} 10. Ng5 hxg4 11. Qxg4 Qa5+ 12. Nc3 Nb4 13. Qe2 Be7 14. a3 Nh6 15. O-O-O Na6 16. Qh5 g6 17. Qf3 O-O-O 18. h4 {1-0 (18) Cridland,G (1682)-Harris,R (1609) FICGS email 2011}) 10... Nh6 11. Qd2 c5 12. Nxc5 Nxc5 13. dxc5 Nf5 14. Bf2 Bxc5 15. Bxc5 Qxc5 16. O-O-O {The position is equal.} Rxh5 17. Bd3 g6 18. Bxf5 Rxf5 19. Kb1 O-O-O 20. Rhg1 Rh5 21. Ng5 Qe7 22. Rg3 Kb8 23. h3 Rc8 24. Rc3 Rhh8 25. Rxc8+ {Accuracy: White = 80%, Black = 74%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.3"]
[White "Azarov, Sergei"]
[Black "Mons, Leon"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2586"]
[BlackElo "2552"]
[Annotator "RC"]
[PlyCount "113"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:22]} Qd8 {[%emt 0:00:00]} 4. d4 {[%emt 0:00:56]} Nf6 {[%emt 0:00:00]} 5. Bg5 {[%emt 0:04:46]} c6 {[%emt 0:01:29]} 6. Bc4 {[%emt 0:04:25]} Bf5 {[%emt 0:05:24]} 7. Nf3 {[%emt 0:04:42]} e6 {[%emt 0:01:38]} 8. O-O {[%emt 0:10:19]} Be7 {[%emt 0:07:29]} 9. Qe2 {[%emt 0:05:48]} O-O {[%emt 0:04:43]} 10. Rad1 {[%emt 0:02:30]} Nbd7 {[%emt 0:04:30]} 11. Bb3 {[%emt 0:16:52]} Nb6 {[%emt 0:07:09]} 12. Rfe1 {[%emt 0:02:13]} Nbd5 {[%emt 0:09:25]} 13. Nxd5 {[%emt 0:04:55]} cxd5 {[%emt 0:00:17]} 14. Ne5 {[%emt 0:01:04]} h6 {[%emt 0:03:03]} 15. Bh4 {[%emt 0:03:05]} Ne4 {[%emt 0:03:25]} 16. Bxe7 {[%emt 0:01:55]} Qxe7 {[%emt 0:00:05]} 17. c3 {[%emt 0:00:24]} Nd6 {[%emt 0:03:52]} 18. Bc2 {[%emt 0:01:41]} Bxc2 {[%emt 0:03:18]} 19. Qxc2 {[%emt 0:00:04]} Qc7 {[%emt 0:02:33]} 20. f3 {[%emt 0:02:26]} Nc4 {[%emt 0:00:54]} 21. Nd3 {[%emt 0:02:54]} Rfe8 {[%emt 0:04:15]} 22. Qf2 {[%emt 0:00:37]} Qa5 {[%emt 0:01:55]} 23. a3 {[%emt 0:00:32]} Qb5 {[%emt 0:01:48]} 24. Re2 {[%emt 0:01:52]} Rac8 {[%emt 0:03:27]} 25. h4 {[%emt 0:00:52]} Qb3 {[%emt 0:01:20]} 26. Rde1 {[%emt 0:01:16]} Qb6 {[%emt 0:08:18]} 27. g4 {[%emt 0:01:55]} Qd6 {[%emt 0:05:07]} 28. h5 {[%emt 0:03:24]} Re7 {[%emt 0:03:11]} 29. Kg2 {[%emt 0:00:58]} Rce8 {[%emt 0:00:38]} 30. f4 {[%emt 0:04:24]} f6 {[%emt 0:01:18]} 31. Qg3 {[%emt 0:01:31]} b6 {[%emt 0:01:12]} 32. Kh2 {[%emt 0:01:20]} Qc7 {[%emt 0:01:12]} 33. g5 {[%emt 0:05:41]} fxg5 {[%emt 0:01:07]} 34. fxg5 {[%emt 0:00:06]} Qxg3+ {[%emt 0:00:40]} 35. Kxg3 {[%emt 0:00:04]} hxg5 {[%emt 0:00:07]} 36. Ne5 {[%emt 0:04:01]} Nxe5 {[%emt 0:01:18]} 37. Rxe5 {[%emt 0:00:08]} b5 {[%emt 0:02:04]} 38. Kg4 {[%emt 0:01:17]} a5 {[%emt 0:00:30]} 39. Kxg5 {[%emt 0:01:11]} Kh7 {[%emt 0:00:53]} 40. R1e3 {[%emt 0:02:50]} b4 {[%emt 0:06:30]} 41. cxb4 {[%emt 0:11:01]} axb4 {[%emt 0:00:02]} 42. a4 {[%emt 0:00:11]} Rc7 {[%emt 0:03:47]} 43. Rxe6 {[%emt 0:01:14]} Rxe6 {[%emt 0:00:08]} 44. Rxe6 {[%emt 0:00:04]} Rc2 {[%emt 0:01:18]} 45. b3 {[%emt 0:01:01]} Rc3 {[%emt 0:00:45]} 46. Rb6 {[%emt 0:01:19]} Rxb3 {[%emt 0:00:15]} 47. Kf5 {[%emt 0:00:40]} Rb1 {[%emt 0:06:28]} 48. Ke5 {[%emt 0:02:22]} b3 {[%emt 0:00:05]} 49. Kxd5 {[%emt 0:05:07]} b2 {[%emt 0:00:04]} 50. a5 {[%emt 0:01:32]} Ra1 {[%emt 0:01:05]} 51. Rxb2 {[%emt 0:00:08]} Rxa5+ {[%emt 0:00:03]} 52. Ke6 {[%emt 0:01:17]} Rxh5 {[%emt 0:00:05]} 53. d5 {[%emt 0:00:06]} Rh1 {[%emt 0:00:48]} 54. Re2 {[%emt 0:01:48]} g5 {[%emt 0:03:33]} 55. d6 {[%emt 0:01:28]} Rd1 {[%emt 0:00:24]} 56. d7 {[%emt 0:00:36]} g4 {[%emt 0:01:47]} 57. Re4 {[%emt 0:01:26]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.4"]
[White "Chanda, Sandipan"]
[Black "Kamsky, Gata"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2529"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,67,-3,10,13,18,20,13,12,4,11,13,9,9,9,20,0,0,0,0,-18,-32,-35,0,0,-18,-33,-37,-26,-34,-20,-27,-37,-8,-10,-15,-10,-9,-10,-8,-11,-8,-8,-8,-8,-8,-8,-8,-8,-8,-20,-20,-24,0,-31,-31,-31,-31,-31]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 e6 6. c3 cxd4 7. exd4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nh5 8. Be3 (8. Bg5 f6 9. Be3 Bd6 10. g3 O-O 11. Nh4 g6 12. Be2 Ng7 13. O-O e5 14. dxe5 fxe5 {½-½ (59) Aronian,L (2767)-Nakamura,H (2777) chess.com INT 2018}) 8... Bd6 9. Bd3 {The position is equal.} Nf4 10. Bxf4 Bxf4 11. O-O O-O 12. Re1 g6 13. g3 Bh6 14. h4 $146 ({Predecessor:} 14. Ne5 Qc7 {1-0 (38) Irkilmez,Y (2040)-Hinrichs,N (2011) Willingen 2018}) 14... f6 15. c4 Kh8 16. Nb3 b6 17. h5 Nb4 18. hxg6 Nxd3 19. Qxd3 dxc4 20. Qxc4 Bb7 21. Nh4 Qd5 (21... Bd5 $5 {[%cal Rd5c4]} 22. Qe2 f5 $11) 22. Qxd5 Bxd5 23. gxh7 Kxh7 24. f4 Rg8 25. Kf2 Rg4 26. Nf3 Rag8 27. Rg1 $1 {[#]} Bxf4 $1 {[%mdl 512]} 28. gxf4 {Strongly threatening Ng5+!} Bxf3 $1 29. Rxg4 Bxg4 $11 {KRB-KRN} 30. d5 exd5 31. Nd4 Re8 32. Re1 Rxe1 33. Kxe1 Bd7 34. b4 {Accuracy: White = 77%, Black = 80%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.5"]
[White "Demchenko, Anton"]
[Black "Hoffmann, Michael"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2655"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,69,21,34,20,43,37,56,52,50,52,64,36,48,35,43,0,54,75,96,85,86,86,167,162,198,189,210,185,216,216,232,222,258,197,205,202,237,148,151,155,275,258,304,290,287,280,343,333,414,394,416,412,377,370]} 1. e4 c5 2. Nf3 e6 3. g3 d5 4. exd5 exd5 5. d4 Nf6 6. Bg2 Be7 7. O-O O-O 8. Nc3 Nc6 9. dxc5 Bxc5 10. a3 {B40: Sicilian: 2...e6, Unusual lines} h6 11. b4 Be7 12. Bb2 {White is slightly better.} Bf5 $146 ({Predecessor:} 12... Bg4 13. h3 Bh5 14. Ne2 Bg6 15. Nf4 Be4 16. Re1 Re8 17. Rc1 Rc8 {½-½ (46) Zvjaginsev,V (2659)-Rublevsky,S (2695) Khanty-Mansiysk 2013}) 13. Re1 Rc8 14. Rc1 Re8 15. Nd4 Bg4 16. Qd2 Qd7 ({Black should try} 16... a5 $1 $11) 17. Nb3 $36 {[%cal Rc3d5][%mdl 2048] White has strong initiative.} Rcd8 18. b5 Nb8 19. Qd4 {Threatens to win with Nxd5!} Bf8 (19... Be6 $16) 20. Rxe8 $18 Qxe8 21. Qxa7 ({Resist} 21. Nxd5 $6 Nxd5 22. Qxg4 (22. Bxd5 Be6 $11) 22... Qxb5 $16) 21... d4 22. Nxd4 Nbd7 {...Bc5 is the strong threat.} 23. Nb3 $1 ({Inferior is} 23. Bxb7 Bc5 $17) (23. Qxb7 Nc5 $11) 23... b6 {[#]} 24. h3 $1 {[%cal Rh3g4]} Bh5 25. Qc7 Ne5 26. Ne4 Nfd7 27. Qc3 Rc8 {[#]} 28. Qd4 $1 Rc4 (28... f6 $16 {was called for.} 29. a4 Rd8) 29. Qe3 Rc8 30. Ned2 f6 31. a4 Nc5 32. Bxe5 fxe5 33. Bc6 {White is winning.} Rxc6 34. bxc6 Qxc6 35. Qxe5 {Accuracy: White = 85%, Black = 50%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.6"]
[White "Yankelevich, Lev"]
[Black "Sethuraman, S.P."]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2480"]
[BlackElo "2624"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,33,33,24,35,32,35,35,39,37,31,39,37,37,45,43,45,28,27,34,47,45,71,72,66,54,61,9,6,19,5,10,13,20,18,18,26,-11,-16,-19,22,-20]} 1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. e3 (4. Nc3 Bg7 5. e3 O-O 6. Be2 b6 7. O-O Bb7 8. b4 e6 9. a4 a5 10. b5 d6 11. Ba3 Nbd7 12. Rc1 Qe7 13. Nd2 g5 14. Nb3 f4 15. exf4 gxf4 {0-1 (67) Cori,J (2686)-Maghsoodloo,P (2656) Biel 2019}) 4... Bg7 5. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} O-O 6. Bb2 {A84: Dutch Defence: 2 c4 Miscellaneous} d6 7. Be2 a5 $146 ({Predecessor:} 7... e6 8. O-O a5 9. b5 b6 10. Nc3 Qe7 {½-½ (40) Soysal,S (2405)-Potapov,P (2517) Skopje 2019}) 8. b5 {White is slightly better.} e6 9. Nc3 b6 10. Qb3 Qe7 11. O-O Nbd7 12. Nd2 Bb7 13. Bf3 Bxf3 14. Nxf3 Kh8 15. Rad1 Nh5 16. Na4 Nhf6 17. Ba3 Ne4 18. Qc2 (18. Nd2 $14) 18... e5 $11 19. c5 bxc5 20. dxc5 Nexc5 21. Nxc5 Nxc5 22. Bxc5 dxc5 23. Rc1 e4 24. Nd2 Rab8 25. Qxc5 {Accuracy: White = 77%, Black = 49%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.7"]
[White "Santos Latasa, Jaime"]
[Black "Morawietz, Dieter"]
[Result "1/2-1/2"]
[ECO "E45"]
[WhiteElo "2580"]
[BlackElo "2419"]
[Annotator "RC"]
[PlyCount "134"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 4. e3 {[%emt 0:00:00]} b6 {[%emt 0:00:22]} 5. Nge2 {[%emt 0:00:00]} Ba6 {[%emt 0:00:13]} 6. a3 {[%emt 0:00:04]} Bxc3+ {[%emt 0:02:15]} 7. Nxc3 {[%emt 0:00:24]} d5 {[%emt 0:00:10]} 8. b3 {[%emt 0:00:08]} Nc6 {[%emt 0:02:59]} 9. a4 {[%emt 0:01:11]} O-O {[%emt 0:00:13]} 10. Be2 {[%emt 0:00:36]} Re8 {[%emt 0:06:46]} 11. a5 {[%emt 0:06:21]} e5 {[%emt 0:25:05]} 12. dxe5 {[%emt 0:04:33]} Nxe5 {[%emt 0:01:03]} 13. Nxd5 {[%emt 0:07:20]} Nxd5 {[%emt 0:00:52]} 14. Qxd5 {[%emt 0:00:37]} Qf6 {[%emt 0:09:14]} 15. Bb2 {[%emt 0:01:34]} Rad8 {[%emt 0:24:37]} 16. Qe4 {[%emt 0:00:24]} Nd3+ {[%emt 0:00:08]} 17. Bxd3 {[%emt 0:00:08]} Rxe4 {[%emt 0:00:05]} 18. Bxf6 {[%emt 0:00:05]} Rxd3 {[%emt 0:00:04]} 19. axb6 {[%emt 0:01:07]} axb6 {[%emt 0:00:10]} 20. Bg5 {[%emt 0:07:43]} h6 {[%emt 0:04:52]} 21. Rxa6 {[%emt 0:04:15]} Rxb3 {[%emt 0:01:04]} 22. Kd2 {[%emt 0:00:40]} hxg5 {[%emt 0:00:16]} 23. Rc1 {[%emt 0:00:24]} Rb2+ {[%emt 0:01:38]} 24. Ke1 {[%emt 0:00:32]} Rh4 {[%emt 0:00:20]} 25. Kf1 {[%emt 0:01:01]} Rxh2 {[%emt 0:00:06]} 26. Kg1 {[%emt 0:00:03]} Rh6 {[%emt 0:00:06]} 27. Ra3 {[%emt 0:01:19]} Rd6 {[%emt 0:01:13]} 28. c5 {[%emt 0:00:35]} Rdd2 {[%emt 0:02:19]} 29. cxb6 {[%emt 0:00:15]} cxb6 {[%emt 0:00:04]} 30. Rf1 {[%emt 0:00:08]} Kh7 {[%emt 0:04:46]} 31. Ra4 {[%emt 0:00:32]} Kg6 {[%emt 0:00:46]} 32. g4 {[%emt 0:00:10]} Kf6 {[%emt 0:04:54]} 33. Re4 {[%emt 0:00:11]} g6 {[%emt 0:00:20]} 34. Kg2 {[%emt 0:00:08]} b5 {[%emt 0:05:07]} 35. Kg3 {[%emt 0:00:35]} Rd7 {[%emt 0:02:16]} 36. Rc1 {[%emt 0:00:23]} Rdd2 {[%emt 0:01:33]} 37. Rf1 {[%emt 0:01:43]} Rd7 {[%emt 0:01:12]} 38. Rc1 {[%emt 0:00:05]} Rb7 {[%emt 0:00:07]} 39. Rc6+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:06]} 40. Rc5 {[%emt 0:00:06]} b4 {[%emt 0:01:05]} 41. Rcc4 {[%emt 0:30:51]} b3 {[%emt 0:07:13]} 42. Rb4 {[%emt 0:00:00]} Rxb4 {[%emt 0:00:53]} 43. Rxb4 {[%emt 0:00:00]} Kf6 {[%emt 0:00:16]} 44. Rb5 {[%emt 0:00:00]} Ke6 {[%emt 0:00:16]} 45. Rxg5 {[%emt 0:00:00]} Rc2 {[%emt 0:02:59]} 46. Rb5 {[%emt 0:00:00]} b2 {[%emt 0:00:04]} 47. f3 {[%emt 0:00:00]} Kd6 {[%emt 0:00:31]} 48. Kf4 {[%emt 0:00:00]} Kc6 {[%emt 0:01:39]} 49. Rb8 {[%emt 0:00:00]} f6 {[%emt 0:03:00]} 50. e4 {[%emt 0:00:00]} Kc5 {[%emt 0:08:06]} 51. g5 {[%emt 0:00:00]} f5 {[%emt 0:00:07]} 52. Ke5 {[%emt 0:00:00]} fxe4 {[%emt 0:00:17]} 53. fxe4 {[%emt 0:00:00]} Rf2 {[%emt 0:06:06]} 54. Ke6 {[%emt 0:00:00]} Kd4 {[%emt 0:00:21]} 55. e5 {[%emt 0:00:00]} Kc3 {[%emt 0:00:16]} 56. Rc8+ {[%emt 0:00:00]} Kd3 {[%emt 0:01:06]} 57. Rb8 {[%emt 0:00:00]} Kc2 {[%emt 0:01:35]} 58. Rc8+ {[%emt 0:00:00]} Kd2 {[%emt 0:00:16]} 59. Rb8 {[%emt 0:00:00]} Kc1 {[%emt 0:02:08]} 60. Kd6 {[%emt 0:00:00]} b1=Q {[%emt 0:00:19]} 61. Rxb1+ {[%emt 0:00:00]} Kxb1 {[%emt 0:00:15]} 62. e6 {[%emt 0:00:00]} Kc2 {[%emt 0:00:06]} 63. Ke5 {[%emt 0:00:00]} Kd3 {[%emt 0:03:19]} 64. e7 {[%emt 0:00:00]} Re2+ {[%emt 0:00:08]} 65. Kf6 {[%emt 0:00:00]} Kd4 {[%emt 0:00:07]} 66. Kxg6 {[%emt 0:00:00]} Rxe7 {[%emt 0:00:05]} 67. Kf6 {[%emt 0:00:00]} Ra7 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.8"]
[White "Loiseau, Quentin"]
[Black "Peralta, Fernando"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2471"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,90,21,11,27,13,29,35,43,14,30,0,0,0,0,0,14,0,0,-21,-14,-18,-15,0,-8,-33,-36,-70,-66,-77,-39,-107,-57,-125,-114,-153,-153,-153,-153,-134,-140,-145,-133,-235,-234,-277,-275,-277,-276,-302,-287,-293,-275,-336,-356,-359,-350,-435,-427,-601,-604,-637,-643,-636,-600,-690,-691,-1636,-1602,-12835,-12837,-12838,-12839,-12839,-12840,-12840,-12840,-12841,-12841,-12841,-12842]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 h6 7. Bxf6 Nxf6 {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack} 8. Bd3 Nxe4 9. Bxe4 c5 {White is slightly better.} 10. c3 (10. Qe2 Qa5+ 11. c3 Be7 12. O-O-O cxd4 13. Rxd4 Bf6 14. Rb4 O-O 15. Kb1 {½-½ (55) Saric,I (2694)-Nisipeanu,L (2667) Malmo 2019}) 10... cxd4 11. Nxd4 Bc5 12. O-O O-O 13. Nb3 Bb6 $146 ({Predecessor:} 13... Bd6 14. f4 Qc7 15. Qf3 {0-1 (33) Marwan,A (1983)-Jasim,A (2318) Abu Dhabi 2005}) 14. a4 a5 15. Qxd8 Rxd8 16. Rfd1 Kf8 17. Rxd8+ Bxd8 18. Nc5 Be7 19. b4 Ra7 20. Nd3 Bd6 21. f4 (21. b5 $15) 21... g5 22. g3 (22. b5 $15) 22... b6 $17 23. b5 Rc7 24. Bc6 Bd7 25. Bxd7 Rxd7 26. fxg5 hxg5 {[%mdl 4096] Endgame KRB-KRN} 27. Rd1 {[#]} (27. Kf1 $17) 27... Rc7 $1 $19 28. Rc1 Rc4 29. Nb2 Re4 30. Rc2 Ba3 31. Nd3 Rxa4 32. Kg2 {intending Ra2.} Bd6 33. c4 Ra3 34. Nf2 f5 {Black is clearly winning.} 35. g4 (35. Nd1 $142) 35... a4 36. Nh3 Be7 37. c5 bxc5 38. gxf5 exf5 39. Nxg5 Bxg5 40. Rxc5 {KRB-KR} Be7 41. Rxf5+ Ke8 42. b6 Rb3 43. Ra5 a3 44. Ra8+ Kf7 45. Ra6 Bc5 {Accuracy: White = 28%, Black = 85%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.9"]
[White "Womacka, Mathias"]
[Black "Shevchenko, Kirill"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2436"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,101,5,14,0,0,0,0,0,24,0,0,-14,22,-54,-35,-8,-10,-32,-29,-14,-8,0,0,0,0,-13,-18,-18,-15,-14,-16,-21,-27,-36,-33,-32,-25,-29,-32,-39,-30,-36,-34,-33,-33,-37,-33,-37,-41,-41,-22,-31,0,0,50,45,140,129,161,164,405,405,681,653,667,675,675,364,675,675,675,675,664,664,637,573,696,696,696,689,679,679,869,869,1073,1073,1037,1000,846,832,1067,942,884,857]} 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 {B23: Closed Sicilian: Lines without g3} Bh6 7. f4 Nf6 (7... f5 8. Bb2 Nf6 9. O-O-O O-O 10. Kb1 Bg7 11. exf5 Bxf5 {1-0 (37) Caruana,F (2819)-Vachier Lagrave,M (2779) Stavanger 2019}) 8. Bb2 {The position is equal.} O-O 9. O-O-O a5 10. Bd3 $146 ({Predecessor:} 10. a4 Nb4 11. Kb1 {1-0 (33) Dubov,D (2691)-Firouzja,A (2561) Abu Dhabi 2018}) 10... Bg4 11. Rf1 (11. Nge2 $1 $11) 11... d5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. h3 Be6 15. Qc3 {[%csl Gb2][%cal Rc3h8]} f6 16. Bc4 Qd6 17. Ne2 {Hoping for Rd1.} Nb4 18. Kb1 Rfc8 19. Bxe6+ Qxe6 20. Nd4 Rxc3 21. Nxe6 Rxc2 22. a3 Re2 {Threatens to win with ...Nd3.} 23. Nd4 {[#]} Rxb2+ $1 {[%mdl 512]} 24. Kxb2 Nd3+ {[%mdl 64] Double Attack} 25. Kb1 Nxf4 26. g4 Nd5 27. Nb5 Rc8 28. Rf3 Rc5 29. a4 e5 30. Re1 b6 (30... Bd2 $5 {[%cal Rd2e1]} 31. Re4 Bb4 $15) 31. Rd3 f5 32. Red1 Nf6 (32... Ne7 $1 $14) 33. gxf5 $16 gxf5 34. Rd6 Bg7 $2 (34... Kg7) 35. Rxb6 $18 e4 (35... Nd5 $142) 36. Rb8+ Bf8 37. Rdd8 e3 38. Rxf8+ Kg7 39. Nd4 {And now Ne6+ would win.White is clearly winning.} Re5 40. Ne2 f4 {next ...f3 is good for Black.} 41. Rxf6 {[%mdl 64] Deflection, Clearance} Kxf6 {[%mdl 4096] Endgame KRN-KR} 42. Rf8+ Kg5 {If only Black now had time for ...Rf5....} 43. Rxf4 Rd5 {intending ...Rd1+.} 44. Re4 Rd1+ 45. Nc1 Re1 46. Kc2 Kf5 {[#]} 47. Re8 {Played: Re4-e5} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.10"]
[White "Meins, Gerlef"]
[Black "Asadli, Vugar"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2415"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,137,30,53,47,59,34,37,24,19,0,10,0,16,19,23,0,0,0,6,15,1,11,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,22,0,5,0,0,0,0,0,0,0,0,0,0,0,0,-78,0,-35,-35,-41,-22,-22,-22,-18,-16,-16,-16,-17,-17,-20,-16,-16,0,0,0,0,0,0,0,-105,-111,-87,-8,-8,-9,-10,0,0,0,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,-23,0,0,0,-23,-27,-34,0,0,0,0,0,0,0,-34,-41,-41,-41,-41,0,0,0,0,0,0]} 1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Bg4 5. e3 Nf6 6. Be2 O-O 7. O-O Nc6 8. h3 {E61: King's Indian: Early deviations for White, including Smyslov System} (8. d5 Nb8 9. h3 Bd7 10. e4 c6 11. Be3 Na6 12. Nd2 Rc8 13. Rc1 e6 14. dxe6 Bxe6 15. Nf3 Re8 {0-1 (38) Wang,H (2709)-Mamedyarov,S (2799) Huaian 2017}) 8... Bd7 9. b3 e5 10. dxe5 {White is slightly better.} dxe5 11. Ba3 Re8 12. Qc2 Qc8 $146 ({Predecessor:} 12... a5 13. Rad1 Nb4 14. Qb1 c6 15. Bb2 {½-½ (35) Ozkan,E (2206)-Agamaliev,G (2493) Konya 2017}) 13. Rad1 a5 14. Nd2 Bf5 15. Bd3 Bxd3 16. Qxd3 Nb4 17. Qb1 Qe6 18. Nde4 Nxe4 19. Qxe4 c6 20. Bxb4 axb4 21. Na4 f5 22. Qd3 e4 23. Qe2 Bf8 24. c5 Rad8 25. Rd2 Kf7 26. Rfd1 Be7 27. Rd4 Rxd4 28. Rxd4 Rd8 29. Rxd8 Bxd8 30. Qd2 Be7 31. Qxb4 b5 32. Nc3 Qe5 33. Qd4 (33. a4 $11) 33... Qxc5 (33... Qxd4 $17 34. exd4 b4) 34. Qxc5 (34. Qh8 {with more complications.} Qd6 35. Qxh7+ Kf8 36. g3 b4 37. Na4) 34... Bxc5 $17 {[%mdl 4096] Endgame KB-KN} 35. Kf1 Ke6 36. Ke2 Bb4 37. Kd2 Kd6 38. Kc2 Kc5 39. Kb2 Ba5 40. Kc2 Bc7 41. a3 Be5 42. f3 exf3 43. gxf3 Kb6 44. Ne2 Ka5 45. Nc1 (45. Nd4 $11 {remains equal.} Kb6 46. Ne6) 45... Bd6 46. Kb2 {[#]} c5 ({Black should try} 46... g5 $1 $17) 47. Kc3 $11 Be5+ 48. Kc2 $1 g5 49. Nd3 Bd6 50. Kc3 h5 51. e4 fxe4 52. fxe4 Kb6 53. a4 g4 54. hxg4 hxg4 {[#] White must now prevent ...g3.} 55. axb5 g3 {And now ...g2 would win.} 56. Ne1 Kxb5 57. Ng2 Bc7 58. Ne3 Bf4 59. Ng2 (59. Kd3 {looks sharper.} Bb8 60. Ke2 Kb4 61. Ng4 Kxb3 62. e5) 59... Be5+ 60. Kd3 Bf6 (60... Kb4 $5 {[%cal Rb4b3]} 61. Kc2 Bf6 $17) 61. Ne3 Kc6 62. Ke2 Kb5 (62... Bd4 $5 63. Ng2 $8 Kb5 $11) 63. Kd3 Be5 64. Ng2 Kb4 65. Kc2 $1 Bf6 66. Ne3 Bg5 67. Ng2 {The position is equal.} Kb5 68. Kd3 Bf6 69. Ne3 {Accuracy: White = 74%, Black = 54%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.11"]
[White "Engel, Luis"]
[Black "Bellia, Fabrizio"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2507"]
[BlackElo "2433"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,75,16,15,13,14,20,14,15,15,8,8,22,8,16,17,21,12,25,24,72,70,61,70,79,80,150,157,149,144,126,80,165,158,279,270,348,156,142,131,132,144,147,124,208,165,451,446,727,723,698,356,722,721,710,687,951,853,187,947,943,880,915,904,29972,5321]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. a4 b4 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} 8. Nbd2 O-O 9. Nc4 d6 {The position is equal.} 10. h3 Be6 11. O-O Rb8 12. Re1 Qc8 13. Be3 h6 {[#]} 14. Qe2 $146 ({Predecessor:} 14. d4 exd4 15. Nxd4 Nxd4 16. Bxd4 Rd8 {½-½ (41) Safarli,E (2653)-Almasi,Z (2710) Warsaw 2013}) 14... Rd8 15. Rad1 Qb7 16. d4 $1 {[%cal Rd4d5]} exd4 17. Nxd4 Nxd4 18. Bxd4 d5 (18... Qa8 $142) 19. Na5 $16 Qa8 {[%cal Rf6e4]} 20. exd5 Nxd5 21. Qe4 c6 (21... Bf8 $16 {is a better defense.}) 22. Rd3 $18 Bf6 (22... Re8 $16) 23. Rg3 $1 Re8 {[#] ...Bf5! is the strong threat.} 24. Bxf6 (24. Nxc6 $1 $18 {[%mdl 512]} Rbc8 {[#]} (24... Qxc6 25. Bxf6) 25. Nxb4 $1 {[%mdl 512]}) 24... Nxf6 $16 25. Qh4 $40 {[%mdl 128] Threatening mate with Qxf6. Black is in trouble.} Bxb3 26. Rxe8+ Nxe8 27. Nxb3 {Black must now prevent Nd4.} Kh8 (27... c5 $16 {might work better.}) 28. Nd4 {Threatens to win with Nf5.} c5 $2 (28... Nd6 {keeps fighting.}) 29. Nf5 $18 Qc6 (29... Rb6 $142 30. Qe7 Kg8) 30. Qe7 {White wants to mate with Qf8+.} Qf6 31. Qf8+ Kh7 {[#]} 32. Nxg7 $1 {[%mdl 512]} Nxg7 33. Qxb8 Qxb2 {KQR-KQN} 34. c3 Qb1+ 35. Kh2 Qf5 36. cxb4 cxb4 37. Qxb4 Qxf2 38. Qe4+ {Accuracy: White = 73%, Black = 36%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.12"]
[White "Hess, Max"]
[Black "Vetoshko, Volodymyr"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2373"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,116,27,22,18,17,17,11,8,19,16,15,0,35,40,32,35,43,25,52,47,45,47,106,104,81,99,93,51,64,0,0,-21,0,-21,-20,-12,-15,-16,-8,-14,-11,-2,0,0,0,0,0,0,0,-67,0,0,0,0,21,0,0,-115,-29,-129,-121,-520,-526,-728,-725,-671,-691,-670,-673,-603,-343,-314,-335,-344,-334,-309,-318,-304,-304,-303,-124,-124,-124,-124,-124,-124,-38,-38,-38,-38,0,0,0,-38,-38,-38,-38,-58,-38,-38,-38,-38,-38,-38,-38]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 7. c3 O-O 8. h3 {B31: Sicilian: 2...Nc6 3 Bb5 g6} (8. d4 cxd4 9. cxd4 d5 10. e5 f6 11. exf6 exf6 12. Nbd2 Re8 13. Nb3 Rxe1+ 14. Qxe1 Nf5 15. Bd2 Bd7 16. Nc5 Qc7 17. Rc1 Re8 {½-½ (48) Aronian,L (2758)-Le,Q (2708) Khanty-Mansiysk 2019}) 8... f5 9. e5 Nf7 10. d3 {The position is equal.} Ba6 11. Bf4 e6 12. Qd2 c4 $146 ({Predecessor:} 12... h6 13. h4 c4 14. dxc4 Bxc4 15. Qe3 Bd5 {½-½ (23) Baklan,V (2621)-David,A (2377) Calimanesti Caciulata 2016}) 13. dxc4 Bxc4 14. Na3 {[%cal Bb1a3,Ba3b5,Bb5d6][%mdl 32]} Bd5 15. Ng5 $1 c5 16. Nxf7 Rxf7 17. Nb5 Rf8 (17... Bf8 $1 $14) 18. Nd6 $16 Qh4 19. c4 Bc6 20. Bg3 Qh5 21. f4 (21. f3 $14) 21... Bh6 $11 22. Qe2 Rfb8 23. Qxh5 (23. Rab1 {feels hotter.} a5 24. Qe3 g5 25. Rf1 gxf4 26. Bxf4 Qg6 27. Rf2) 23... gxh5 24. Re2 a5 25. Bf2 Bxf4 26. Bxc5 a4 27. Rb1 Bg3 28. Bd4 h4 29. b4 axb3 $1 30. axb3 Ra3 31. Reb2 (31. b4 $1 $11) 31... Kg7 (31... Rba8 $15) 32. Bc5 Raa8 33. Bd4 Ra5 34. Re2 Ra3 $36 {[%mdl 2048] Black fights for an advantage.} 35. Reb2 (35. b4 $1 $11) 35... Kg6 (35... Rba8 $1 $17 36. Nb5 Bxb5 37. cxb5 R3a5) 36. Kf1 (36. Bc5 $1 $11 Ra5 37. Bd4) 36... Rba8 $17 37. Bc3 $2 {[%mdl 8192]} (37. Nb5 $17 Bxb5 38. cxb5) 37... Ra1 $19 38. b4 {Threatening b5.} R8a2 39. Rxa1 Rxa1+ 40. Ke2 Bxg2 41. b5 {intending b6.} f4 42. b6 Bc6 43. b7 f3+ 44. Kd3 {[#]} ({But not} 44. Ke3 Bxb7 $1 {[%mdl 512]} 45. Nxb7 Ra3 $19) 44... Bxb7 $1 {[%mdl 512]} 45. Nxb7 (45. Rxb7 f2) 45... Ra3 {...Be1 is the strong threat.} 46. Nc5 {[#]} Rxc3+ $1 {[%mdl 512]} 47. Kxc3 $17 Bxe5+ 48. Kd2 Bxb2 49. Nxd7 {[%mdl 4096] Endgame [#] KB-KN} Bc1+ ({Black should play} 49... e5 $1 $17 {[%cal Re5e4]} 50. Nxe5+ Bxe5) 50. Ke1 $15 Kf5 {White must now prevent ...e5.} 51. c5 $1 Ke4 {Strongly threatening ...Bf4.} (51... Bg5 $5 {[%cal Re6e5]} 52. Kf2 Ke4 $17) 52. c6 Bf4 {aiming for ...Bg3+.} 53. Kf1 Kd5 {Black is slightly better.} 54. Nf8 Kxc6 {And now ...e5 would win.} 55. Nxe6 Be3 {[#]} 56. Ng5 $1 {[%mdl 512]} Bxg5 57. Kf2 Kd5 {( -> ...Ke4)} 58. Kxf3 Ke5 {Accuracy: White = 65%, Black = 56%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.13"]
[White "Korneev, Oleg"]
[Black "Gschnitzer, Adrian"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2504"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,87,45,71,73,71,76,69,70,72,54,78,73,94,93,77,26,29,33,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,37,37,37,37,37,62,37,62,48,228,50,118,114,112,117,105,90,112,90,94,93,282,264,330,180,183,191,176,179,162,51,483,471]} 1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 d6 5. Bxf6 exf6 6. e4 a6 7. a4 b4 8. Bd3 g6 9. Nbd2 Bg7 10. Nc4 a5 11. O-O O-O 12. Nfd2 Qc7 13. f4 {A43: Schmid Benoni} Nd7 14. Qf3 Nb6 15. Nxb6 {White is slightly better.} Qxb6 16. Kh1 $146 ({Predecessor:} 16. f5 c4+ {0-1 (16) Bosiocic,M (2131)-Pavlovic,M (2448) Zagreb 2007}) 16... Qc7 17. Rab1 Re8 18. Bb5 Bd7 19. Bxd7 (19. Nc4 $16) 19... Qxd7 $11 20. Nc4 {aiming for Nb6.} Rad8 21. f5 Qxa4 22. b3 Qd7 23. Nxa5 Ra8 24. Nc4 Ra2 25. Rf2 Qe7 26. Re2 Rea8 27. h4 Ra1 28. Rxa1 Rxa1+ 29. Kh2 Bh6 30. g3 Kg7 31. Kg2 Rc1 32. g4 Qa7 $2 (32... Kg8 $14) 33. Rf2 $2 (33. Nxd6 $18 {Strongly threatening e5.} Qa6 34. Nc4) 33... Qa1 (33... g5 $14) 34. fxg6 $1 $16 (34. Nxd6 $6 Rh1 $11) 34... Rg1+ 35. Kh2 hxg6 {[#]} 36. g5 $1 {[%mdl 512]} fxg5 37. Qxf7+ $40 {[%mdl 128] White wants a kill.} Kh8 {( -> ...Rh1+)} 38. Qf6+ $1 (38. Qxg6 $2 Rh1+ 39. Kg2 Qg1+ 40. Kf3 g4+ $1 {[%mdl 512]} 41. Qxg4 Qd1+ 42. Re2 Rf1+ 43. Kg2 Rg1+ 44. Kh3 Rxg4 $19) (38. Qe8+ Kh7 $17) 38... Qxf6 $2 (38... Bg7 $16 39. Qxa1 Rxa1) 39. Rxf6 {KRB-KRN} Rg4 40. Rxg6 ({Not} 40. Rxd6 Rxh4+ 41. Kg2 Rg4+ 42. Kh3 Rxe4 $16) (40. Nxd6 $142 gxh4 41. Kh3) 40... Rxh4+ $18 41. Kg3 Kh7 {[#]} 42. Re6 $1 ({Don't do} 42. Rxd6 Rxe4 43. Rc6 Bf8 $16) 42... Bf8 43. Ne3 ({But not} 43. Nxd6 $6 Bxd6+ 44. Rxd6 Rxe4 $14) (43. Kf3 $18) 43... Rh1 $2 {[%mdl 8192]} ({Black should try} 43... Kg8 $1 $14) 44. e5 {Accuracy: White = 65%, Black = 28%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.14"]
[White "Moehn, Hans"]
[Black "Krzyzanowski, Marcin"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2370"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,8,18,17,54,56,71,54,51,51,46,54,56,48,62,58,71,40,48,-89,-82,-255,-77,-59,-50,-68,-68,-63,-55,-69,-63,-118,-106,-106,-83,-96,-77,-379,-380,-402,-379,-403,-442,-429,-333,-29988,-29989,-29994,-29992]} 1. Nf3 g6 2. g3 Bg7 3. d4 d5 4. Bg2 Nc6 5. c3 (5. O-O Nh6 6. c4 e6 7. Bg5 f6 8. Bd2 Nf5 9. e3 Nd6 10. Na3 O-O 11. Rc1 Ne7 12. Qe2 a5 13. Rfd1 {½-½ (45) Howell,D (2685)-Stefanova,A (2515) Caleta 2016}) 5... e6 6. O-O {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nge7 7. Nbd2 f5 8. Nb3 {White is better.} h6 $146 ({Predecessor:} 8... O-O 9. Bf4 b6 10. Nc1 Bb7 11. Nd3 Nc8 12. Qc1 Nd6 13. b3 {0-1 (44) Elistratov,S (2417)-Popov,V (2528) Sochi 2017}) 9. h4 Ng8 10. Bf4 Nf6 11. Qc1 Ne4 12. Qe3 Qe7 13. Nbd2 Nf6 14. Ne5 {[#]} (14. b4 $14 {keeps the upper hand.}) 14... Nxe5 $1 $17 15. Qxe5 $2 (15. Bxe5 $17 Ng4 16. Qd3) 15... Kd8 $2 (15... Ne4 $1 $19 16. Bxe4 Bxe5 17. Bxe5 O-O) 16. Qe3 Ng4 17. Qd3 g5 18. hxg5 hxg5 19. Be3 $1 Bf6 20. f4 ({Better is} 20. Nf3 $15) 20... Nxe3 21. Qxe3 gxf4 22. gxf4 Qg7 $40 {[%mdl 128] Black is out for blood.} 23. Qf2 $2 {[%mdl 8192]} (23. Rf3 $17) 23... Bd7 24. Nf3 Ke7 25. Rfd1 Rag8 26. Kf1 Qg4 27. e3 $2 {[#]} (27. a4 $19) 27... Bb5+ 28. Kg1 Qh5 {Accuracy: White = 29%, Black = 63%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.15"]
[White "Del Rio De Angelis, Salvador G."]
[Black "Padmini, Rout"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2491"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,91,0,0,17,5,20,0,0,0,26,0,0,0,0,-12,-8,-33,-22,-10,-13,-36,-27,0,0,-95,-97,-89,-22,-33,-29,-29,197,173,176,36,25,36,34,30,44,0,6,0,0,0,0,8,8,8,8,8,8,0,0,0,8,16,16,7,504,48,52,48,175,168,164,170,276,276,272,276,276,276,276,273,237,76,87,81,87,0,0,0]} 1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. e3 Nf6 5. Nc3 d5 6. Bd3 Nbd7 {E14: Queen's Indian: Classical Variation (4 e3)} (6... Bd6 7. O-O dxc4 8. Bxc4 O-O 9. Nb5 Be7 10. b3 Nbd7 11. Bb2 a6 12. Nc3 b5 13. Be2 c5 14. Rc1 Qb6 15. dxc5 Nxc5 {0-1 (35) Cori,J (2686)-Vidit,S (2703) Biel 2019}) 7. O-O a6 8. b3 Bd6 9. Bb2 Qe7 10. Re1 $146 ({Predecessor:} 10. cxd5 exd5 11. a3 O-O 12. b4 b5 13. Nd2 Nb6 14. Re1 Ne4 15. Ndxe4 dxe4 {1-0 (31) Panjwani,R (2440)-Krush,I (2484) Edmonton 2014}) 10... Ne4 11. Qc2 {[%cal Rc3e4]} f5 12. Ne2 O-O 13. Ne5 dxc4 14. Bxc4 b5 15. Bd3 $1 c5 16. Nxd7 Bxh2+ 17. Kf1 (17. Kxh2 $11 Qh4+ {[%mdl 64] Double Attack} 18. Kg1 Qxf2+ {[%mdl 64] Double Attack} 19. Kh1 Qh4+ 20. Kg1 Qf2+ {[%mdl 64] Double Attack} 21. Kh1 Qh4+ 22. Kg1 Qf2+ {[%mdl 64] Double Attack}) 17... Qxd7 $17 18. dxc5 Rad8 (18... Qe7 $1 $17 19. g3 Rac8) 19. Red1 {[#]} Nxf2 $1 {[%mdl 512]} 20. Kxf2 Qd5 $2 (20... Qc6 $1 $11 21. Ke1 Qxg2) 21. Nf4 Bxf4 22. Bf1 {[#]} (22. c6 $1 $18) 22... Bxe3+ $1 $14 {[%mdl 512]} 23. Kxe3 f4+ 24. Kf2 Qg5 {And now ...Qh4+ would win.} 25. Qc3 f3 $1 {[%cal Rf3g2]} 26. g3 Qh6 {( -> ...Qh2+)} 27. Bh3 {aiming for Rd6.} e5 28. Qxe5 Rde8 $132 {[%mdl 2048] Black is not holding back} 29. Qxg7+ $1 Qxg7 30. Bxg7 Re2+ 31. Kf1 Kxg7 32. Rd7+ Rf7 33. Rad1 {Black must now prevent R1d6.} Be4 34. R1d4 Re3 $2 {[%mdl 8192] [#]} (34... Rxd7 $11 {and Black stays safe.} 35. Rxd7+ Kf6) 35. Be6 $2 ({Only move:} 35. Rxe4 $1 $18 {[%mdl 512]} Rxe4 36. c6) 35... Rxd7 36. Bxd7 {[%mdl 4096] Endgame KRB-KRB} Ba8 ({Black should play} 36... Bb1 $14) 37. c6 $18 {Hoping for c7.} Rc3 38. Rd6 h5 (38... a5 {was necessary.} 39. Kf2 Kf7) 39. Kf2 Kf7 {[#]} 40. b4 $1 Ke7 41. Rh6 Kf7 42. Re6 ({Not} 42. Rxh5 Bxc6 43. Bxc6 Rxc6 $14) 42... Kg7 {[#]} 43. Re7+ $2 (43. Be8 $1 $18) 43... Kf6 $16 44. Re8 Rc2+ 45. Ke3 (45. Ke1 $16 Rc1+ 46. Kf2 (46. Kd2 f2 $14) 46... Rc2+ 47. Kf1 Rc1+ 48. Re1) 45... Bxc6 $11 46. Bxc6 {Accuracy: White = 32%, Black = 51%.} ({Don't blunder} 46. Re6+ $2 Kg7 $19) 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.16"]
[White "Nasuta, Grzegorz"]
[Black "Zude, Arno"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2534"]
[BlackElo "2372"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,69,34,31,42,34,34,22,30,24,123,2,174,184,214,193,308,210,216,131,436,421,539,551,550,541,542,498,29991,29992,29993,29994,29994,29994,29994,29995,29995,29996]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Bg5 h6 18. Be3 Qc7 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} (18... Nc5 19. Qd2 h5 20. Ra3 Nfd7 21. Qe2 Nb6 22. axb5 axb5 23. Rxa8 Bxa8 24. Ng5 Qf6 25. Rf1 Nbd7 26. h4 Qe7 27. Ra1 Bb7 {0-1 (81) Topalov,V (2740)-Amin,B (2704) Abidjan 2019}) 19. Qd2 h5 20. Rf1 Nc5 {The position is equal.} 21. Nh4 $146 ({Predecessor:} 21. Bh6 Be7 22. Ng5 Nh7 23. f4 f6 24. Nf3 Bd8 25. f5 g5 26. Nxh5 {1-0 (35) Babiy,O (2289)-Motycakova,M (2174) Antalya 2019}) 21... Nfd7 (21... Nh7 $1 $11 {keeps the balance.}) 22. f4 (22. Bg5 $16) 22... exf4 $2 (22... Qd8 $1 $11 {and Black is okay.} 23. Nf3 h4) 23. Rxf4 $18 Ne5 {[#]} ({And not} 23... bxa4 24. Rff1 $11) 24. Raf1 $1 Ncd3 ({Inferior is} 24... bxa4 25. R4f2 $11) ({Worse is} 24... Nxa4 25. Bxa4 bxa4 26. R4f2 $11) (24... Bc8 {was necessary.}) 25. Bxd3 cxd3 26. Rf6 {Nxh5! is the strong threat.} Bxd5 $2 {[%mdl 8192]} (26... Bg7 $16) 27. exd5 Nc4 28. Qf2 {[%cal Rf6f7]} Nxe3 29. Rxf7 Qc5 {[#]} 30. b4 $1 {[%cal Rb4c5]} Qxd5 {[#]} (30... Nd1 $18) 31. Qf6 $1 {[%mdl 512] White mates.} Qe5 32. Qxg6+ {[%mdl 64] Double Attack} Bg7 33. Nxh5 Re7 34. Nf6+ Qxf6 35. R1xf6 {Accuracy: White = 68%, Black = 19%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.17"]
[White "Marin, Mihail"]
[Black "Gohla, Ulf"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2524"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,78,26,24,63,62,90,87,92,77,82,57,49,29,75,81,132,126,170,155,167,165,166,150,159,141,163,172,153,158,456,131,336,70,525,91,69,72,88,82,101,57,163,159,157,165,204,212,364,362,416,419,398,411,421,393,595,609,2437,2408,2478,2301,2097,2005,1413]} 1. f4 d5 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. O-O Nc6 6. d3 Nf6 7. Nc3 O-O 8. e4 dxe4 9. dxe4 Bg4 {A03: Bird's Opening with 1...d5} (9... Qxd1 10. Rxd1 e5 11. Nxe5 Nxe5 12. fxe5 Ng4 13. Nd5 Nxe5 14. Bg5 Bg4 15. Rf1 Be6 16. Nc7 Rac8 17. Nxe6 fxe6 {½-½ (53) Nepomniachtchi,I (2714)-Wojtaszek,R (2744) Beijing 2014}) 10. e5 Ne8 11. Be3 b6 {White is better.} 12. h3 Bd7 13. Qe2 Nc7 $146 ({Predecessor:} 13... e6 14. Rad1 Qe7 15. Ng5 Rd8 16. Nge4 f6 17. exf6 Nxf6 18. Nxf6+ Bxf6 {1-0 (64) Fernandez Rodriguez,J (2114)-Morillo Vellarde,G (1960) Seville 2014}) 14. Rad1 Qc8 15. g4 $36 {[%mdl 2048] White has strong initiative.} Rd8 (15... Rb8 $142) 16. Qf2 Rb8 17. Qg3 Nb4 18. Rf2 Bc6 19. Rxd8+ Qxd8 20. f5 $1 Ncd5 {[#]} 21. Nxd5 $1 Nxd5 {[#]} 22. Bd2 $1 {Black must now prevent fxg6.} b5 $2 (22... Qc7 $16 {keeps fighting.}) 23. Re2 $2 (23. Ng5 $18) 23... Qc7 $2 (23... Nb4 $16) 24. Qh4 $2 (24. Ng5 $18) 24... Nb6 $2 {[%mdl 8192]} (24... f6 $14) 25. e6 $2 (25. Ng5 $18 {and White stays clearly on top.} h6 26. fxg6 {[%mdl 64] Overworked Piece} fxg6 27. Ne6 {[%mdl 64] Double Attack}) 25... f6 $16 26. Qf2 Qb7 27. b3 Rd8 28. Nh4 (28. g5 {is interesting.} Rf8 29. gxf6 Rxf6 30. Nh4 Rf8 31. Bxc6 Qxc6 32. Qg3) 28... Bxg2 (28... g5 $1 $14) 29. Qxg2 $18 Qxg2+ 30. Kxg2 gxf5 31. Nxf5 Nc8 $2 (31... Bf8 {was worth a try.} 32. Kf3 Rd5) 32. Ba5 Rd1 33. Rd2 Rxd2+ 34. Bxd2 {[%mdl 4096] Endgame KBN-KBN} Kf8 35. Be3 Nd6 (35... Nb6 $142 36. Bxc5 Nd5) 36. Bxc5 {White is clearly winning.} Nxf5 37. gxf5 a6 38. Kf3 Ke8 39. Ke4 Kd8 {Accuracy: White = 50%, Black = 18%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.18"]
[White "Schnelzer, Reinhold"]
[Black "Prusikin, Michael"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "2192"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,70,18,28,10,11,-38,-39,-47,0,0,0,0,0,0,0,0,-7,-38,-43,-43,-41,-67,-69,-71,-58,-110,-78,-127,-133,-150,-123,-136,-127,-137,-99,-104,-64,-62,0,-152,-144,-166,-121,-117,-112,-147,-113,-244,-254]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. h3 ({Predecessor:} 8. e4 exd4 9. Nxd4 Re8 {0-1 (78) Scibior,A (2202)-Tsanas,A (2295) London 2012}) 8... Re8 9. e4 exd4 10. Nxd4 Nc5 11. Re1 Bd7 12. Bf4 h6 13. Qc2 $146 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} (13. Rb1 {is more complex.} a5 14. b3 a4 15. b4 Ne6 16. Nxe6 Bxe6 17. Nd5) (13. Nb3 Na4 14. Bd2 Nxb2 15. Qe2 Na4 16. Rab1 Nxc3 17. Bxc3 Rb8 18. c5 dxc5 19. Nxc5 Bc6 20. Qb2 b6 {1-0 (50) Yu,Y (2750)-Ganguly,S (2665) Ashkhabad 2017}) 13... Nfxe4 14. Bxe4 {Strongly threatening Nb3.} Bxd4 {[#]} 15. Bxg6 $1 {[%mdl 512] Black is slightly better.} fxg6 (15... Bxc3 $5 16. bxc3 Qf6 17. Bh7+ Kg7 $11) 16. Qxg6+ {[%mdl 64] Double Attack} Bg7 17. Nd5 $1 Re6 18. Rxe6 Nxe6 19. Bxh6 {Hoping for Re1.} Qf8 $1 20. Bxg7 Qxg7 21. Nf6+ Kf8 22. Nxd7+ Qxd7 23. Re1 Re8 24. Re3 ({Better is} 24. Qh6+ $1 $15 Ng7 25. Rxe8+ Kxe8 26. Qg6+ Kf8 27. Qf6+ Kg8 28. h4) 24... Ng7 {...Rxe3 is the strong threat.} 25. Rf3+ Kg8 26. g4 Re6 27. Qd3 Qe7 28. Kg2 c6 29. Rf4 Qg5 30. Qf3 Qe7 (30... Re8 $1 $15) 31. b3 $2 (31. Qd3 $1 $11) 31... Re5 $17 32. Rf6 d5 33. cxd5 cxd5 34. h4 Re4 35. h5 {[#]} (35. Rh6 $17) 35... Rxg4+ $1 {[%mdl 512] Accuracy: White = 39%, Black = 89%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.19"]
[White "Gukesh D"]
[Black "Cordts, Ingo"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2520"]
[BlackElo "2212"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,65,16,10,16,2,22,22,23,19,41,15,26,9,17,18,34,13,34,31,46,18,59,22,13,18,65,48,45,0,29,18,26,8,16,15,9,16,28,25,28,26,56,0,0,0,158,167,368,354,566,597,597,592]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Nbd2 a5 8. b3 a4 {D78: Fianchetto Grünfeld: 6 0-0 c6} 9. Ba3 axb3 10. axb3 Re8 {The position is equal.} 11. h3 $146 ({Predecessor:} 11. e3 Bf5 12. Qe2 Na6 13. Ne5 Ne4 14. cxd5 cxd5 15. Nxe4 Bxe4 16. Bxe4 dxe4 {½-½ (58) Mamedyarov,S (2801)-Carlsen,M (2842) Saint Louis 2018}) 11... b6 12. Ne5 Bb7 13. e3 Nfd7 14. f4 f6 15. Ng4 f5 16. Ne5 e6 17. cxd5 Nxe5 18. fxe5 {Threatens to win with dxe6.} cxd5 19. Nc4 Nc6 20. Nd6 {[%mdl 64] [#] Double Attack} Re7 21. b4 b5 22. Qc2 Qb6 23. Qc5 Qxc5 24. bxc5 b4 25. Bb2 Ba6 26. Rfd1 Rea7 27. Kf2 Kf8 28. g4 (28. Bf3 $14) 28... Ke7 29. Bf3 fxg4 $2 {[#]} (29... Bh6 $11) 30. hxg4 $16 ({Inferior is} 30. Bxg4 Bh6 $11) 30... g5 $2 (30... Kd7) 31. e4 $18 Bc4 (31... dxe4 $142 32. Bxe4 {[%mdl 64] Double Attack} Kd7) 32. Rxa7+ Rxa7 33. Nc8+ {Accuracy: White = 65%, Black = 43%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.20"]
[White "Sieglen, Joachim"]
[Black "Vogel, Roven"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2187"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,8,22,22,23,13,22,6,16,7,17,9,46,10,27,-2,0,0,0,-9,0,-6,0,-22,-10,-4,-5,-18,-4,-22,-22,-22,-22,-23,-20,-20,-20,-20,-20,-24,-8,-27,-30,-35,-27,-32,-15,-21,-22,-23,-5,-5,-5,-5,-5,-5,-6,-6,-6,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 a6 5. b3 Bg4 6. Be2 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} (6. Nbd2 e6 7. Bd3 c5 8. dxc5 Bxc5 9. Bb2 O-O 10. Rc1 dxc4 11. Bxc4 Nbd7 12. O-O Qe7 13. h3 {1-0 (63) Parligras,M (2574)-Sumets,A (2622) Abu Dhabi 2014}) 6... e6 7. h3 Bh5 8. O-O Nbd7 9. Nbd2 Bd6 10. Bb2 Qc7 11. Ne1 $146 ({Predecessor:} 11. Rc1 O-O 12. Nh4 Bxe2 13. Qxe2 {0-1 (39) Sieglen,J (2208)-Pezerovic,E (2420) Tegernsee 2018}) 11... Bg6 12. f4 (12. c5 {keeps more tension.} Be7 13. Nd3 h6 14. b4 b6 15. Bc3) 12... Ne4 13. Nxe4 Bxe4 14. Nf3 h6 15. Ne5 O-O 16. Bd3 Bxd3 17. Nxd3 Nf6 18. a4 a5 19. Ba3 Bxa3 20. Rxa3 Ne4 21. Qc2 Qe7 22. Raa1 b6 23. cxd5 cxd5 24. Rfc1 Qh4 25. Qe2 Rac8 26. Nf2 Nd6 {[%cal Be4d6,Bd6f5,Bf5g3][%mdl 32]} 27. Nd3 Nf5 28. Qf2 Qe7 29. Qd2 Ng3 30. Qe1 {The position is equal.} Ne4 31. Rxc8 Rxc8 32. Rc1 Rc7 33. Rxc7 Qxc7 34. Qc1 $1 {[%cal Rc1c7]} Qd8 35. Nf2 Ng3 {[#] White must now prevent ...Ne2+.} 36. Kh2 Qh4 37. Qc8+ Kh7 38. Qc2+ f5 {aiming for ...Nf1+.} 39. Kg1 Qe7 40. Nd3 Qa3 {[#] Threatens to win with ...Qa1+.} 41. Kf2 Ne4+ {Accuracy: White = 62%, Black = 50%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.21"]
[White "Parvanyan, Ashot"]
[Black "Goldbeck, Lars"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2448"]
[BlackElo "2203"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,106,20,14,15,16,0,23,15,23,16,26,23,29,21,25,25,34,33,49,42,50,40,35,0,0,0,0,0,0,-9,-4,-5,0,0,0,0,0,-19,46,29,57,58,56,56,64,58,60,69,66,52,66,0,0,0,0,0,0,-12,-12,-12,-12,-12,-12,-104,-66,-227,-196,-251,-166,-324,-313,-340,-335,-412,-412,-391,-403,-351,-350,-385,-337,-554,-437,-1329,-568,-29987,-29988,-29991,-29974,-29992,-29993,-29994,-29994]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be7 9. Qd2 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} Be6 10. e3 Rc8 11. Be2 {White has an edge.} O-O 12. O-O Qa5 13. Rfd1 Rfd8 14. Bxf6 Bxf6 15. Bf3 Rd7 16. Qe2 $146 ({Predecessor:} 16. h3 Bg5 {0-1 (49) Donchenko,A (2280)-Bu,X (2675) Biel 2011}) 16... Nb4 17. Bg4 Bxg4 18. Qxg4 Rcd8 19. c5 h5 20. Qf5 {cxd6 is the strong threat.} Qc7 21. cxd6 Rxd6 22. Rxd6 Qxd6 23. Qxh5 Qe6 24. Rd1 Rxd1+ 25. Qxd1 e4 26. Nab1 Nd3 (26... Nxa2 $11 27. Ne2 Nb4) 27. Qa4 $14 b5 28. Qxe4 Qxe4 29. Nxe4 Bxb2 {[%mdl 4096] Endgame KBN-KNN} 30. Kf1 f5 31. Nec3 b4 32. Nd5 (32. Na4 $5 {[%cal Rf1e2]} Bf6 33. a3 $14) 32... Kf7 33. Ke2 ({White should play} 33. Nd2 $14) 33... Nc1+ $11 {[%mdl 64] [#] Double Attack} 34. Kd2 {Black must now prevent Kc2.} Nxa2 35. Kc2 Be5 36. f4 Ke6 37. Nb6 $1 Bf6 38. Kb3 Nc3 39. Nd2 (39. Nxc3 $11 {remains equal.} Bxc3 40. h3) 39... a5 {[%cal Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 40. Nbc4 $2 ({Better is} 40. Nf3 $15) 40... Bd8 $19 41. h3 (41. g3 {was called for.}) 41... Kd5 42. g4 $2 (42. Nb2) 42... Kc5 43. Nb2 Kb5 44. gxf5 a4+ 45. Kc2 Nd5 46. e4 Nxf4 47. e5 b3+ 48. Kb1 $2 (48. Nxb3 axb3+ 49. Kxb3) 48... Kb4 49. Nf3 (49. Nxa4 $142 Kxa4 50. Ne4) 49... a3 50. Nd1 Nd3 {Black mates.} 51. Ne3 a2+ 52. Ka1 Bb6 53. Nd1 {[#]} Ka3 {Played: Nd3xe5} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.22"]
[White "Smith, Bryan"]
[Black "Ryzhkov, Vadim"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2430"]
[BlackElo "2187"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,99,39,27,41,33,39,22,34,20,30,33,40,30,58,46,117,27,57,31,66,42,55,55,62,26,60,47,62,32,81,79,116,113,94,58,93,52,89,79,131,92,140,102,107,98,107,96,103,0,119,0,107,63,92,81,140,140,155,86,91,-33,-31,-24,-25,-73,0,-33,-45,-32,0,0,0,0,8,10,31,20,20,20,20,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 a6 4. Bd3 c5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. Qe2 Nc6 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} 8. c3 O-O (8... Qc7 9. O-O Bd7 10. exd5 Nxd5 11. Ne4 Be7 12. Re1 Nf4 13. Bxf4 Qxf4 14. Rad1 Rd8 15. g3 {0-1 (54) Gashimov,V (2758)-Ponomariov,R (2739) Khanty-Mansiysk 2009}) 9. O-O h6 10. e5 Nd7 11. Nb3 Ba7 12. Nbd4 Re8 $146 ({Predecessor:} 12... Qc7 13. Bf4 Re8 14. Bg3 Nf8 15. Rad1 Bd7 16. Rfe1 {0-1 (47) Karhanek,P (2175)-Matejka,P (2170) Moravia 2003}) 13. Bf4 Nf8 (13... Qe7 $14) 14. Bg3 (14. Nxc6 $16 bxc6 15. b4) 14... Bc5 15. h4 Be7 16. Rad1 Bd7 17. h5 Rc8 18. Nxc6 Bxc6 19. Nd4 Ba4 20. Rde1 Bd7 21. f4 f5 22. exf6 Bxf6 23. Nf3 Re7 24. Ne5 Be8 25. Ng4 Rf7 (25... d4 $142) 26. Kh2 Bh4 27. Qf2 Bxg3+ 28. Qxg3 Kh8 29. Ne5 Rf6 30. Ng4 {Threatens to win with f5.} Rf7 31. Ne5 {And now f5 would win.} Rf6 $1 32. Qh3 (32. Qe3 {looks sharper.} Nd7 33. g4 Qc7 34. Kg3 Kg8 35. Rf2) 32... Qd6 33. Kh1 Bb5 ({Black should try} 33... d4) 34. Bxb5 $16 axb5 {[#]} 35. a3 ({White should play} 35. g4 $1) 35... Nd7 {...Nxe5 would now be nice for Black.} 36. Qd3 ({Better is} 36. Ng6+ $16 Kh7 37. Qd3) 36... Nxe5 $15 37. fxe5 Rxf1+ 38. Qxf1 {[%mdl 4096] Endgame KQR-KQR} Qf8 (38... Qd8 $17) 39. Qxb5 Rc4 40. Kg1 Rf4 41. Rf1 ({Don't go for} 41. Qxb7 $2 Qc5+ 42. Kh2 {[#]} Qf2 $1 $19 {[%mdl 512]}) 41... Rxf1+ 42. Qxf1 $11 {KQ-KQ} Qd8 43. Qb5 Qe7 44. a4 Qf7 {The position is equal.} 45. Qb6 Qf5 46. Qd6 Qb1+ 47. Kh2 Qf5 48. Kg3 Qd3+ 49. Kh2 Qf5 50. Kg1 {Accuracy: White = 38%, Black = 40%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.23"]
[White "Nehyba, Martin"]
[Black "Braeuer, Franz"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2129"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,96,15,0,9,14,16,0,0,-29,-20,-40,-35,-35,-32,-79,-30,-67,-70,-81,0,-13,72,54,64,35,75,-72,-55,-56,-65,-55,-59,-61,-62,-43,0,0,-17,-146,-57,-41,-34,-122,-130,-166,-106,-122,-125,-128,-127,-137,-139,-164,-164,-170,-180,-183,-113,-240,-227,-351,-344,-320,-321,-420,-416,-393,-412,-386,-381,-371,-368,-464,-336,-327,-322,-339,-332,-372,-363,-6420,-6014,-5173,-5110,-1070,-999]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 O-O 7. Nbd2 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 8. a4 Be6 9. h3 $146 ({Predecessor:} 9. O-O h6 10. Nc4 Ne7 11. Nxa5 Rxa5 12. Bxe6 fxe6 13. b4 Bxb4 14. cxb4 Ra8 15. d4 Nxe4 {½-½ (50) Zlatin,A (2249)-Eljanov,P (2703) Porto Carras 2018}) 9... Re8 {The position is equal.} 10. Bc2 h6 11. Nf1 d5 12. Qe2 Nd7 13. g4 Nf8 14. Ng3 Ng6 15. Nf5 Bf8 (15... Ra6 $17) 16. Rg1 $11 Nf4 (16... Ra6 $11) 17. Bxf4 $1 $16 exf4 18. O-O-O g6 19. N5d4 (19. e5 $1 $16 {and life is bright.}) 19... Nxd4 $17 20. Nxd4 Bd7 21. Qf3 c5 $36 {[%mdl 2048] Black has some pressure.} 22. Ne2 {[#]} d4 $1 {[%mdl 512]} 23. Qxf4 (23. cxd4 cxd4) 23... b5 (23... g5 $5 {[%cal Rg5f4]} 24. Qf3 Ra6 $11) 24. Bb3 $1 Qe7 25. g5 (25. axb5 $11 Bxb5 26. g5 (26. cxd4 cxd4 27. Kb1 Bg7 $11)) 25... hxg5 (25... bxa4 $17 26. Bd5 Rab8) 26. Rxg5 $15 c4 27. dxc4 ({White should try} 27. Ba2 $1 $15) 27... bxa4 $17 28. Ba2 Qxe4 (28... Kh7 $1 $19 29. Qh4+ (29. Nxd4 Bh6 $17 {[%mdl 64] Skewer}) 29... Bh6) 29. Qxe4 Rxe4 30. Ng3 Rh4 {And now ...Bh6 would win.} 31. Rd5 Be6 ({But not} 31... Bxh3 32. R1xd4 Rxd4 33. cxd4 $15) 32. R5xd4 Rxh3 33. Rd8 Rxd8 34. Rxd8 Kg7 (34... Rh2 $19 35. Ne4 Kg7) 35. Ra8 (35. Kd2 $17) 35... Rh2 $19 36. Rxa5 (36. Ne4 $142 Rh1+ 37. Kc2) 36... Rxf2 37. Rxa4 {[#]} Bd6 $1 {[%cal Rd6g3]} 38. Ne4 Bf4+ 39. Kb1 Re2 40. c5 {Bxe6 is the strong threat.} Re1+ 41. Kc2 Bxa2 42. Nd2 Bh6 (42... Bxd2 $2 43. Kxd2 Rd1+ 44. Ke2 $19) 43. Rxa2 {[%mdl 4096] Endgame aiming for Nb3. KRB-KRN} Re2 44. c6 {Hoping for c7.} Rxd2+ 45. Kb1 {Black must now prevent c7.} Rd8 46. b4 $2 (46. Kc2) 46... Rd1+ {Black is clearly winning.} 47. Kc2 {[#]} Rd2+ $1 48. Kb3 Rxa2 {Accuracy: White = 33%, Black = 56%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.24"]
[White "Zajogin, Alexander"]
[Black "Lindam, Ingo"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2426"]
[BlackElo "2096"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,0,39,32,41,-11,0,0,2,4,10,-4,31,19,29,18,98,86,101,98,115,98,113,111,111,109,125,104,161,150,410,424,29995,29996]} 1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 c6 5. Qd2 h6 (5... Nbd7 6. Bh6 Bxh6 7. Qxh6 Qa5 8. a3 Nf8 9. Ne5 Be6 10. b4 Qc7 11. e3 N8d7 12. Nxd7 Bxd7 13. Bd3 {0-1 (69) Romanov,E (2573)-Bachmann,A (2593) Berlin 2015}) 6. h3 {D00: 1 d4 d5: Unusual lines} Bg7 7. g4 (7. Ne5 $14) 7... Nbd7 8. Bg2 {The position is equal.} Ne4 $146 ({Predecessor:} 8... Qb6 9. O-O-O Nf8 10. Ne5 Be6 11. Kb1 N6d7 12. Bg3 Nxe5 13. dxe5 {½-½ (48) Nilsson,N (2255)-Meyer,L (2305) Denmark 1995}) 9. Nxe4 dxe4 10. Ne5 Nxe5 (10... h5 {is interesting.} 11. O-O-O Nxe5 12. dxe5 Qxd2+ 13. Rxd2 hxg4 14. hxg4 Rxh1+ 15. Bxh1 e3) 11. dxe5 Qxd2+ 12. Kxd2 f5 (12... h5 $11 {keeps the balance.}) 13. exf6 $1 $16 exf6 14. Bxe4 f5 15. gxf5 gxf5 16. Bf3 Bxb2 17. Rab1 Bd4 18. Rhg1 Ke7 (18... h5 $16 {is a better defense.}) 19. e3 $18 Bb6 $2 {[#]} (19... Bf6 $16 {keeps fighting.} 20. Bc7 Kf7) 20. Rg7+ Kf6 (20... Kd8 $18 21. Rd1 Be6 22. Rxb7 Bd5) 21. Rbg1 {Accuracy: White = 73%, Black = 24%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.25"]
[White "Voss, Gunther"]
[Black "Badelka, Olga"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2089"]
[BlackElo "2413"]
[Annotator "NA RC"]
[PlyCount "41"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:01]} 3. a3 {[%emt 0:00:05]} e6 {[%emt 0:04:27]} 4. Nf3 {[%emt 0:00:14]} Nf6 {[%emt 0:02:52]} 5. d4 {[%emt 0:00:19]} cxd4 {[%emt 0:00:16]} 6. Nxd4 {[%emt 0:00:07]} d6 {[%emt 0:04:10]} 7. Be2 {[%emt 0:03:28]} Be7 {[%emt 0:00:16]} 8. Be3 {[%emt 0:00:57]} O-O {[%emt 0:00:56]} 9. g4 {[%emt 0:00:17]} d5 {[%emt 0:04:21]} 10. exd5 {[%emt 0:01:09]} Nxd5 {[%emt 0:00:39]} 11. Nxd5 {[%emt 0:00:49]} exd5 {[%emt 0:00:05]} 12. Qd2 {[%emt 0:06:21]} Ne5 {[%emt 0:06:28]} 13. g5 {[%emt 0:03:11]} Bd7 {[%emt 0:16:08]} 14. Nf3 {[%emt 0:15:51]} Nc4 {[%emt 0:04:44]} 15. Bxc4 {[%emt 0:02:46]} dxc4 {[%emt 0:00:02]} 16. Rd1 {[%emt 0:00:30]} Bc6 {[%emt 0:02:55]} 17. Qxd8 {[%emt 0:00:51]} Bxd8 {[%emt 0:05:17]} 18. Ke2 {[%emt 0:00:28]} f5 {[%emt 0:00:12]} 19. Rhe1 {[%emt 0:08:19]} Re8 {[%emt 0:00:07]} 20. Rd4 {[%emt 0:00:40]} Bc7 {[%emt 0:00:24]} 21. Ng1 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.26"]
[White "Degenhard, Simon"]
[Black "Miller, Eduard"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2084"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,120,14,43,51,44,29,21,18,18,4,4,10,39,35,43,44,41,33,81,45,40,15,102,82,222,222,220,215,220,223,221,211,223,211,221,217,210,210,254,166,163,164,164,164,150,91,97,68,75,77,92,87,80,44,40,39,129,0,35,0,66,33,39,39,39,36,35,37,39,34,32,28,31,8,14,8,8,8,8,8,8,8,8,7,7,7,7,0,0,0,0,0,0,0,8,0,0,0,8,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d5 9. exd5 {B35: Sicilian: Accelerated Dragon with 5 Nc3: main line} Na5 10. O-O Nxb3 11. Nxb3 b6 12. Qd2 (12. d6 e6 13. Qf3 Rb8 14. Rfd1 Bb7 15. Qh3 Rc8 16. Bd4 Nd5 17. Nxd5 Bxd5 18. Bxg7 Kxg7 {1-0 (34) Vachier Lagrave,M (2796)-Gelfand,B (2719) Palma de Mallorca 2017}) 12... Bb7 {[%cal Rf6d5]} 13. Rad1 Qc8 14. Bh6 $36 {[%mdl 2048] White is pushing.} Bxh6 15. Qxh6 Rd8 {[%cal Rf6d5]} 16. Qg5 Rd6 17. Rfe1 $146 Qd7 {[%cal Rb7d5]} 18. h3 Rc8 (18... Bxd5 $11 {remains equal.} 19. Nd4 (19. Nxd5 Nxd5 20. c4 Nf6 $11) 19... Bc4) 19. Re5 Nxd5 (19... Qd8 $16) 20. Nxd5 $18 (20. Rexd5 Bxd5 21. Rxd5 (21. Nxd5 f6 $15) 21... Rxd5 $11) 20... f6 21. Rxe7 Rxd5 22. Rxd7 Rxd1+ 23. Rxd1 fxg5 {[%mdl 4096] Endgame KRB-KRN} 24. Rd7 Be4 {[#]} 25. c3 $1 ({Worse is} 25. Rxa7 Rxc2 26. f3 Bd5 $11) 25... a5 26. Nd4 b5 27. Re7 Bd3 28. Re3 Bb1 29. a3 b4 30. axb4 (30. cxb4 $142 axb4 31. a4 (31. axb4 Rc4 $16)) 30... axb4 $16 31. Kf1 bxc3 32. bxc3 Kf7 33. Nf3 Kf6 34. Ne5 Bf5 35. Ng4+ Kg7 (35... Bxg4 $14 36. hxg4 Rc4) 36. Ne5 (36. Re7+ $16 Kg8 37. Nf6+ Kf8 38. Rxh7) 36... Kf6 $14 37. Nf3 Ra8 (37... Bb1 $11) 38. Re1 (38. g4 $5 {[%cal Rg4f5]} Bc8 39. Nd2 $14) 38... g4 39. hxg4 Bxg4 40. Nd4 Bc8 41. Rc1 Ba6+ 42. Ke1 Bc4 43. Kd2 h5 44. Nc2 Ra2 {The position is equal.} 45. Ra1 Rxa1 46. Nxa1 $11 {KB-KN} h4 47. Nc2 g5 48. Ne3 Bb5 49. c4 Bc6 50. f3 Ke5 51. Ke2 Kd4 52. Kf2 Bd7 53. Nd5 Be6 54. Nf6 Kxc4 55. Ne4 g4 56. fxg4 Bxg4 57. Nd2+ Kd4 58. Nf3+ Bxf3 59. Kxf3 {[#] White threatens Kg4 and mate.} h3 $1 {[%cal Rh3h2] ( -> ...h2)} 60. gxh3 Ke5 {Accuracy: White = 52%, Black = 53%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.27"]
[White "Atakisi, Umut"]
[Black "Basener, Winfried"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2393"]
[BlackElo "2084"]
[Annotator "RC"]
[PlyCount "113"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:04]} 3. Nd2 {[%emt 0:00:00]} Nf6 {[%emt 0:00:28]} 4. e5 {[%emt 0:00:00]} Nfd7 {[%emt 0:00:05]} 5. Bd3 {[%emt 0:00:00]} c5 {[%emt 0:00:47]} 6. c3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:23]} 7. Ne2 {[%emt 0:00:02]} cxd4 {[%emt 0:01:28]} 8. cxd4 {[%emt 0:00:06]} f6 {[%emt 0:00:39]} 9. exf6 {[%emt 0:00:10]} Nxf6 {[%emt 0:00:08]} 10. O-O {[%emt 0:00:07]} Bd6 {[%emt 0:00:29]} 11. Nf3 {[%emt 0:00:07]} Qc7 {[%emt 0:00:29]} 12. Bg5 {[%emt 0:00:33]} O-O {[%emt 0:00:11]} 13. Bh4 {[%emt 0:00:14]} g6 {[%emt 0:01:40]} 14. Bg3 {[%emt 0:01:39]} Nh5 {[%emt 0:13:19]} 15. Bxd6 {[%emt 0:11:06]} Qxd6 {[%emt 0:00:08]} 16. Bb5 {[%emt 0:02:48]} Rxf3 {[%emt 0:05:15]} 17. gxf3 {[%emt 0:04:14]} Bd7 {[%emt 0:02:43]} 18. Bxc6 {[%emt 0:08:09]} bxc6 {[%emt 0:08:06]} 19. Rc1 {[%emt 0:19:17]} Rf8 {[%emt 0:01:04]} 20. Rc3 {[%emt 0:04:05]} Nf4 {[%emt 0:27:40]} 21. Nxf4 {[%emt 0:07:42]} Rxf4 {[%emt 0:04:47]} 22. Re1 {[%emt 0:05:47]} a5 {[%emt 0:17:07]} 23. Qd2 {[%emt 0:08:40]} Rh4 {[%emt 0:10:09]} 24. Re5 {[%emt 0:01:30]} Kf7 {[%emt 0:01:12]} 25. f4 {[%emt 0:02:31]} a4 {[%emt 0:01:21]} 26. Rf3 {[%emt 0:04:28]} c5 {[%emt 0:00:19]} 27. h3 {[%emt 0:02:21]} Kg7 {[%emt 0:01:13]} 28. dxc5 {[%emt 0:03:22]} Qxc5 {[%emt 0:00:05]} 29. Qc3 {[%emt 0:00:43]} Qxc3 {[%emt 0:00:22]} 30. bxc3 {[%emt 0:00:17]} Kf6 {[%emt 0:00:40]} 31. Kh2 {[%emt 0:01:16]} Rh6 {[%emt 0:01:41]} 32. Rfe3 {[%emt 0:02:02]} Rh5 {[%emt 0:00:28]} 33. Rxh5 {[%emt 0:00:31]} gxh5 {[%emt 0:00:01]} 34. Kg3 {[%emt 0:00:16]} Bb5 {[%emt 0:00:11]} 35. a3 {[%emt 0:01:30]} Be8 {[%emt 0:00:28]} 36. Re5 {[%emt 0:00:23]} Bg6 {[%emt 0:00:14]} 37. Re2 {[%emt 0:01:19]} Ke7 {[%emt 0:00:47]} 38. Rb2 {[%emt 0:00:17]} Kd6 {[%emt 0:00:11]} 39. Kh4 {[%emt 0:01:44]} Kc5 {[%emt 0:00:14]} 40. Rb4 {[%emt 0:00:07]} Bc2 {[%emt 0:00:30]} 41. Kxh5 {[%emt 0:30:26]} Kc6 {[%emt 0:18:57]} 42. Kh6 {[%emt 0:00:00]} Kc7 {[%emt 0:00:42]} 43. h4 {[%emt 0:00:00]} Kc6 {[%emt 0:08:38]} 44. h5 {[%emt 0:00:00]} Kc7 {[%emt 0:03:12]} 45. Kg7 {[%emt 0:00:00]} Kc6 {[%emt 0:00:27]} 46. h6 {[%emt 0:00:00]} Kc7 {[%emt 0:00:22]} 47. f5 {[%emt 0:00:00]} Bxf5 {[%emt 0:00:06]} 48. Rxa4 {[%emt 0:00:00]} e5 {[%emt 0:03:53]} 49. Kf6 {[%emt 0:00:00]} Bc2 {[%emt 0:00:10]} 50. Rb4 {[%emt 0:00:00]} e4 {[%emt 0:00:49]} 51. a4 {[%emt 0:00:00]} Bd3 {[%emt 0:00:32]} 52. a5 {[%emt 0:00:00]} Kc6 {[%emt 0:00:19]} 53. Ke5 {[%emt 0:00:00]} Kc5 {[%emt 0:00:09]} 54. Rd4 {[%emt 0:00:00]} Bc4 {[%emt 0:00:52]} 55. a6 {[%emt 0:00:00]} Bxa6 {[%emt 0:00:45]} 56. Rxd5+ {[%emt 0:00:00]} Kc4 57. Kxe4 {Kxd5+} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.28"]
[White "Schaffarczyk, Andre"]
[Black "Lavrinenkov, Vadim"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2084"]
[BlackElo "2306"]
[Annotator "RC"]
[PlyCount "106"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:15]} 2. Be2 {[%emt 0:00:00]} e6 {[%emt 0:01:39]} 3. f4 {[%emt 0:00:07]} d5 {[%emt 0:00:37]} 4. d3 {[%emt 0:00:24]} Nc6 {[%emt 0:00:31]} 5. Nf3 {[%emt 0:00:23]} g6 {[%emt 0:13:25]} 6. O-O {[%emt 0:01:27]} Bg7 {[%emt 0:00:05]} 7. Qe1 {[%emt 0:01:26]} Nge7 {[%emt 0:00:56]} 8. c3 {[%emt 0:01:00]} b6 {[%emt 0:00:18]} 9. e5 {[%emt 0:02:40]} Ba6 {[%emt 0:00:22]} 10. Na3 {[%emt 0:00:53]} Qd7 {[%emt 0:05:22]} 11. b4 {[%emt 0:02:31]} cxb4 {[%emt 0:04:38]} 12. cxb4 {[%emt 0:01:30]} Nd8 {[%emt 0:01:14]} 13. Rb1 {[%emt 0:07:59]} O-O {[%emt 0:00:35]} 14. b5 {[%emt 0:02:21]} Bb7 {[%emt 0:01:28]} 15. d4 {[%emt 0:04:58]} Rc8 {[%emt 0:01:37]} 16. Bd3 {[%emt 0:04:58]} f6 {[%emt 0:06:07]} 17. Bd2 {[%emt 0:06:25]} f5 {[%emt 0:05:40]} 18. h3 {[%emt 0:08:59]} Nf7 {[%emt 0:00:50]} 19. g4 {[%emt 0:02:32]} Rc7 {[%emt 0:07:04]} 20. Kh1 {[%emt 0:06:30]} Kh8 {[%emt 0:03:58]} 21. Rg1 {[%emt 0:01:48]} Rfc8 {[%emt 0:05:17]} 22. Rg2 {[%emt 0:24:37]} Qd8 {[%emt 0:09:17]} 23. Qh4 {[%emt 0:08:05]} Ng8 {[%emt 0:03:04]} 24. Qe1 {[%emt 0:02:11]} Ngh6 {[%emt 0:04:07]} 25. g5 {[%emt 0:00:43]} Ng8 {[%emt 0:00:06]} 26. h4 {[%emt 0:00:19]} Bf8 {[%emt 0:02:24]} 27. Rb3 {[%emt 0:00:29]} Ne7 {[%emt 0:02:49]} 28. h5 {[%emt 0:00:47]} gxh5 {[%emt 0:00:36]} 29. Qh4 {[%emt 0:01:45]} Ng6 {[%emt 0:00:18]} 30. Qxh5 {[%emt 0:00:57]} Kg8 {[%emt 0:00:17]} 31. Rh2 {[%emt 0:01:17]} Nfh8 {[%emt 0:00:17]} 32. Nc2 {[%emt 0:01:47]} Qd7 {[%emt 0:01:01]} 33. Nce1 {[%emt 0:02:19]} Ra8 {[%emt 0:07:28]} 34. Qh3 {[%emt 0:01:45]} a6 {[%emt 0:02:44]} 35. a4 {[%emt 0:00:04]} axb5 {[%emt 0:00:28]} 36. axb5 {[%emt 0:00:52]} Ra3 {[%emt 0:00:39]} 37. Rxa3 {[%emt 0:00:22]} Bxa3 {[%emt 0:00:02]} 38. Ng2 {[%emt 0:01:05]} Bc1 {[%emt 0:00:25]} 39. Bxc1 {[%emt 0:00:40]} Rxc1+ {[%emt 0:00:06]} 40. Ng1 {[%emt 0:00:30]} Qc7 {[%emt 0:02:19]} 41. Qh6 {[%emt 0:14:16]} Nf8 {[%emt 0:01:53]} 42. Rh3 {[%emt 0:04:19]} Nhg6 {[%emt 0:08:16]} 43. Kh2 {[%emt 0:01:21]} Rd1 {[%emt 0:04:38]} 44. Ne2 {[%emt 0:01:32]} Bc8 {[%emt 0:00:36]} 45. Nh4 {[%emt 0:03:33]} Rd2 {[%emt 0:05:30]} 46. Nxg6 {[%emt 0:00:53]} Nxg6 {[%emt 0:00:14]} 47. Kh1 {[%emt 0:02:00]} Nxf4 {[%emt 0:00:37]} 48. Qxh7+ {[%emt 0:05:34]} Qxh7 {[%emt 0:00:10]} 49. Rxh7 {[%emt 0:00:07]} Nxd3 {[%emt 0:00:43]} 50. Rc7 {[%emt 0:01:07]} Rxe2 {[%emt 0:00:09]} 51. Rxc8+ {[%emt 0:00:07]} Kf7 {[%emt 0:01:17]} 52. Rc7+ {[%emt 0:00:34]} Kg6 {[%emt 0:01:16]} 53. Rc6 {[%emt 0:00:31]} Nf4 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.29"]
[White "Kolb, Tobias"]
[Black "Ludvik, Tomas"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "2073"]
[BlackElo "2305"]
[Annotator "RC"]
[PlyCount "62"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 4. Bg2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:03]} 5. d3 {[%emt 0:00:00]} d6 {[%emt 0:00:06]} 6. Be3 {[%emt 0:00:00]} Rb8 {[%emt 0:00:09]} 7. Qd2 {[%emt 0:00:00]} b5 {[%emt 0:00:12]} 8. Nf3 {[%emt 0:00:00]} b4 {[%emt 0:02:22]} 9. Nd1 {[%emt 0:00:04]} Nd4 {[%emt 0:01:45]} 10. O-O {[%emt 0:00:46]} Bg4 {[%emt 0:05:48]} 11. Nh4 {[%emt 0:01:23]} Qb6 {[%emt 0:05:57]} 12. c3 {[%emt 0:12:33]} bxc3 {[%emt 0:05:17]} 13. bxc3 {[%emt 0:01:15]} Nc6 {[%emt 0:01:03]} 14. f4 {[%emt 0:07:47]} Nf6 {[%emt 0:14:43]} 15. Nf2 {[%emt 0:16:33]} Bd7 {[%emt 0:05:43]} 16. e5 {[%emt 0:00:43]} dxe5 {[%emt 0:02:00]} 17. fxe5 {[%emt 0:00:28]} Nxe5 {[%emt 0:05:00]} 18. Bf4 {[%emt 0:25:38]} Nh5 {[%emt 0:03:33]} 19. Rae1 {[%emt 0:00:36]} Nxf4 {[%emt 0:02:16]} 20. Qxf4 {[%emt 0:04:37]} Nc6 {[%emt 0:13:10]} 21. Ng4 {[%emt 0:08:15]} O-O {[%emt 0:03:36]} 22. Nh6+ {[%emt 0:00:08]} Bxh6 {[%emt 0:01:04]} 23. Qxh6 {[%emt 0:00:03]} Rbe8 {[%emt 0:01:54]} 24. Nf3 {[%emt 0:03:32]} f6 {[%emt 0:01:58]} 25. Re4 {[%emt 0:03:37]} Bf5 {[%emt 0:02:54]} 26. Rh4 {[%emt 0:01:31]} Rf7 {[%emt 0:00:46]} 27. g4 {[%emt 0:04:47]} Bxd3 {[%emt 0:01:43]} 28. Ng5 {[%emt 0:01:05]} c4+ {[%emt 0:01:48]} 29. Kh1 {[%emt 0:00:46]} fxg5 {[%emt 0:02:54]} 30. Bd5 {[%emt 0:05:18]} e6 {[%emt 0:01:02]} 31. Bxe6 {[%emt 0:02:32]} Be4+ {[%emt 0:00:09]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.30"]
[White "Schuster, Karsten"]
[Black "Seickel, Ralf"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2304"]
[BlackElo "1993"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,123,0,10,18,8,12,23,29,53,45,133,120,115,57,53,54,56,53,85,83,101,75,103,97,106,100,102,102,124,97,125,72,86,78,87,66,81,89,78,72,75,82,75,66,93,95,92,82,186,190,185,-25,-23,-29,-27,-31,-26,-26,-10,-16,0,0,0,0,41,0,41,39,39,37,12,12,56,63,71,42,71,71,71,71,71,58,56,0,0,0,0,0,0,0,0,0,0,0,29972,29970,29977,29978,29978,29979,29980,29981,29981,29982,29982,29983,29983,29984,29986,29987,29987,29988,29988,29988,29988,29989]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 (5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. Be2 e5 9. d5 Nd4 10. Nxd4 exd4 11. Qxd4 c6 12. Qc4 b5 13. Qxc6 Bd7 14. Qd6 Re8 15. e5 Ng4 16. e6 fxe6 {½-½ (36) Yu,Y (2763)-Vachier Lagrave,M (2774) Khanty-Mansiysk 2019}) 5... c6 6. cxd5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} cxd5 7. Bf4 Nc6 8. e3 {White has an edge.} Bg4 9. Qb3 Qb6 $146 {[#]} (9... Na5 $14 10. Qa4+ Nc6) ({Predecessor:} 9... Na5 10. Qa4+ Bd7 11. Bb5 O-O 12. Bxd7 Nxd7 13. Nxd5 {1-0 (36) Relange,E (2466)-Le Roux,J (2546) Saint-Quentin 2014}) 10. Qxb6 $1 $16 axb6 {[#]} 11. Bb5 (11. Ne5 $1 $16) 11... Bxf3 $14 12. gxf3 e6 13. Bc7 Nd7 14. h5 Ke7 15. Kd2 Rac8 16. Bf4 Na5 17. b3 Nc6 18. Rac1 Bf6 19. Bg3 Ra8 20. hxg6 ({White should try} 20. Kc2) 20... hxg6 $16 21. Rxh8 Bxh8 22. Na4 Rc8 23. a3 Bf6 24. b4 Kd8 25. Rh1 Ke7 26. Kd3 e5 {[%cal Re5d4]} 27. Nc3 Ke6 28. e4 dxe4+ (28... Nxd4 $16 29. Bxd7+ Kxd7) 29. Nxe4 $18 {Hoping for d5+!} exd4 30. Bxc6 $2 (30. Bc4+ $18 Ke7 31. Bd6+ Ke8 32. Nxf6+ Nxf6 33. Rh8+ Kd7 34. Rxc8 Kxc8 35. Bxf7) 30... bxc6 $11 31. Nxf6 Nxf6 32. Kxd4 $16 {[%mdl 4096] Endgame KRB-KRN} Rd8+ 33. Kc3 Ra8 34. Kb3 Nd5 35. a4 f5 36. Re1+ Kf7 37. Be5 Re8 38. a5 Ra8 39. Ra1 bxa5 40. bxa5 Ra6 (40... Ke6 $5 {[%cal Re6e5]} 41. Bd4 Ra6 $16) 41. Bd4 g5 42. Ka4 Kg6 43. Rb1 g4 44. fxg4 fxg4 45. Rb7 Kf5 46. Ra7 (46. Rg7 $14) 46... Rxa7 $11 47. Bxa7 {And now Bb8 would win. KB-KN} Nc7 $1 48. Kb4 {aiming for Kc5.} Na6+ $1 49. Kc4 Ke4 50. Bb6 Kf3 51. Kd3 g3 $2 {[%mdl 8192]} (51... c5 $11) 52. fxg3 {White mates.} Kxg3 53. Ke4 Kg4 54. Ke5 c5 55. Kd5 Kf5 56. Bxc5 Kf6 57. Bd6 Kf7 58. Kc6 Ke8 59. Kb7 Kd7 60. Kxa6 Kc6 61. Ka7 Kb5 62. a6 {Accuracy: White = 53%, Black = 38%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.31"]
[White "Wacker, Peter"]
[Black "Seemann, Jakub"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2295"]
[BlackElo "1967"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,86,23,11,25,0,32,20,13,12,16,16,22,-12,-12,-8,-6,-12,-22,-8,-12,-10,0,0,0,0,0,-39,-37,-56,-51,-54,-55,-67,-43,-94,-88,-103,-98,-106,-90,-95,-45,-97,-101,-171,-178,-164,-173,-173,-160,-210,-27,-29,-22,-19,0,-64,0,0,0,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. a4 c6 7. a5 Qc7 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} 8. Nc3 Nbd7 9. e4 (9. Qd3 Re8 10. Rd1 h6 11. h3 Rb8 12. e4 e5 13. dxe5 dxe5 14. Qc4 b5 15. axb6 axb6 {1-0 (46) Artemiev,V (2746)-Iljiushenok,I (2540) Khanty-Mansiysk 2019}) 9... e5 10. Re1 Rb8 11. b3 $146 ({Predecessor:} 11. h3 b6 12. axb6 axb6 13. b4 b5 14. Be3 Nb6 15. Qc1 {0-1 (43) Laiz Ibanez,H (2251)-Pavlidis,A (2537) Karlsruhe 2019}) 11... Rd8 12. h3 b5 13. axb6 axb6 14. Bb2 b5 15. Qe2 exd4 16. Nxd4 b4 17. Na4 Re8 18. Qd3 Ne5 $36 {[%mdl 2048] Black has some pressure.} 19. Qd1 {White wants to play f4.} c5 20. Nf3 Nxf3+ 21. Qxf3 Re6 22. Qd3 Bb7 23. Re3 (23. c3 $15) 23... Qc6 $17 24. Bf3 Nxe4 25. Bxg7 Kxg7 26. c3 bxc3 27. Rae1 (27. Nxc3 $15 d5 28. Nxe4 dxe4 29. Qc3+ f6 30. Be2) 27... f5 {Strongly threatening ...d5.} 28. Bxe4 (28. Nxc3 $17 {was worth a try.} d5 29. b4) 28... fxe4 $19 29. Qxc3+ Kg8 30. Qc4 {[#]} Rbe8 $1 31. Rxe4 Qxe4 $2 (31... Kg7 $19 32. f3 Rxe4 33. fxe4 Rxe4 34. Qxe4 Qxe4 35. Rxe4 Bxe4) 32. Rxe4 $11 Bxe4 33. g4 g5 34. h4 (34. Nc3 $11 Ba8 35. Nd5 Bxd5 36. Qxd5) 34... h6 ({Black should try} 34... gxh4 $15 35. Nb6 Kg7) 35. hxg5 {The position is equal.} hxg5 36. Nc3 Bc6 37. Nd5 {[#] Black must now prevent Nc7.} Kf8 {Threatens to win with ...Re1+.} 38. Qd3 Re1+ 39. Kh2 $1 {And now Qf5+ would win.} R8e5 (39... Kg7 $5 40. Qc3+ $8 R8e5 $11) 40. Ne3 Rh1+ 41. Kg3 Rg1+ 42. Kh3 Rh1+ 43. Kg3 Rg1+ $1 {Accuracy: White = 52%, Black = 60%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.32"]
[White "Reuter, Roland"]
[Black "Szabo, Marton Mihaly"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1904"]
[BlackElo "2282"]
[Annotator "RC"]
[PlyCount "130"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:01:06]} 3. d4 {[%emt 0:00:26]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:06]} Bc5 {[%emt 0:00:46]} 5. Be3 {[%emt 0:01:01]} Qb6 {[%emt 0:00:29]} 6. Nc3 {[%emt 0:01:57]} Nc6 {[%emt 0:01:08]} 7. Na4 {[%emt 0:03:13]} Qa5+ {[%emt 0:00:13]} 8. c3 {[%emt 0:02:11]} Bxd4 {[%emt 0:00:23]} 9. Bxd4 {[%emt 0:00:08]} Nxd4 {[%emt 0:00:05]} 10. Qxd4 {[%emt 0:00:12]} e5 {[%emt 0:00:15]} 11. Qb4 {[%emt 0:02:32]} Qxb4 {[%emt 0:00:11]} 12. cxb4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:26]} 13. Nc3 {[%emt 0:00:11]} d6 {[%emt 0:01:29]} 14. Bc4 {[%emt 0:01:44]} Be6 {[%emt 0:01:17]} 15. Bxe6 {[%emt 0:03:28]} fxe6 {[%emt 0:00:53]} 16. Rd1 {[%emt 0:01:42]} Ke7 {[%emt 0:00:26]} 17. O-O {[%emt 0:01:18]} Rac8 {[%emt 0:06:19]} 18. f3 {[%emt 0:08:21]} g5 {[%emt 0:02:14]} 19. Rd3 {[%emt 0:03:49]} Rhd8 {[%emt 0:01:22]} 20. Rfd1 {[%emt 0:01:13]} a6 {[%emt 0:00:42]} 21. g3 {[%emt 0:05:02]} Rd7 {[%emt 0:08:04]} 22. a3 {[%emt 0:04:00]} b5 {[%emt 0:04:09]} 23. Kf2 {[%emt 0:02:37]} h5 {[%emt 0:05:05]} 24. Ke2 {[%emt 0:03:31]} Rcd8 {[%emt 0:04:08]} 25. Re3 {[%emt 0:01:47]} h4 {[%emt 0:06:16]} 26. g4 {[%emt 0:06:34]} Nh7 {[%emt 0:01:32]} 27. Rc1 {[%emt 0:02:45]} Nf8 {[%emt 0:02:25]} 28. Nd1 {[%emt 0:05:15]} Ng6 {[%emt 0:02:03]} 29. Rec3 {[%emt 0:02:24]} d5 {[%emt 0:02:58]} 30. Rc7 {[%emt 0:03:26]} Nf4+ {[%emt 0:05:43]} 31. Ke3 {[%emt 0:04:00]} d4+ {[%emt 0:13:41]} 32. Kd2 {[%emt 0:00:10]} Nh3 {[%emt 0:01:00]} 33. Ke2 {[%emt 0:05:53]} Rxc7 {[%emt 0:05:32]} 34. Rxc7+ {[%emt 0:00:09]} Kd6 {[%emt 0:00:27]} 35. Ra7 {[%emt 0:02:37]} Rf8 {[%emt 0:01:34]} 36. Rxa6+ {[%emt 0:00:36]} Kd7 {[%emt 0:01:39]} 37. Ra7+ {[%emt 0:04:31]} Kc6 {[%emt 0:00:08]} 38. Nf2 {[%emt 0:08:38]} Ng1+ {[%emt 0:00:48]} 39. Kf1 {[%emt 0:01:09]} Nxf3 {[%emt 0:00:22]} 40. Kg2 {[%emt 0:02:44]} Nxh2 {[%emt 0:16:35]} 41. Ra6+ {[%emt 0:32:50]} Kc7 {[%emt 0:32:50]} 42. Rxe6 {[%emt 0:03:13]} Rxf2+ {[%emt 0:00:00]} 43. Kxf2 {[%emt 0:00:00]} Nxg4+ {[%emt 0:00:00]} 44. Ke2 {[%emt 0:00:00]} Ne3 {[%emt 0:00:00]} 45. Rxe5 {[%emt 0:00:00]} g4 {[%emt 0:00:00]} 46. Rh5 {[%emt 0:00:00]} h3 {[%emt 0:00:00]} 47. Kd3 {[%emt 0:00:00]} Nf1 {[%emt 0:00:00]} 48. Rh7+ {[%emt 0:00:00]} Kd6 {[%emt 0:02:23]} 49. Kxd4 {[%emt 0:00:00]} h2 {[%emt 0:00:37]} 50. e5+ {[%emt 0:00:00]} Ke6 {[%emt 0:00:23]} 51. Rh6+ {[%emt 0:00:00]} Kf5 {[%emt 0:04:27]} 52. e6 {[%emt 0:01:51]} g3 {[%emt 0:00:12]} 53. e7 {[%emt 0:00:45]} g2 {[%emt 0:00:21]} 54. Rh5+ {[%emt 0:01:01]} Kg4 {[%emt 0:00:49]} 55. e8=Q {[%emt 0:00:54]} g1=Q+ {[%emt 0:00:00]} 56. Kd5 {[%emt 0:01:35]} Ne3+ {[%emt 0:00:23]} 57. Kc6 {[%emt 0:00:42]} h1=Q+ {[%emt 0:01:04]} 58. Rxh1 {[%emt 0:00:08]} Qxh1+ {[%emt 0:00:15]} 59. Kxb5 {[%emt 0:01:34]} Qd5+ {[%emt 0:01:00]} 60. Ka4 {[%emt 0:01:08]} Nc4 {[%emt 0:00:33]} 61. Qg6+ {[%emt 0:00:54]} Kf4 {[%emt 0:00:19]} 62. Qf6+ {[%emt 0:00:54]} Ke4 {[%emt 0:00:39]} 63. Qg6+ {[%emt 0:00:49]} Kd4 {[%emt 0:00:26]} 64. Qg4+ {[%emt 0:00:18]} Kd3 {[%emt 0:00:37]} 65. Qg3+ {[%emt 0:01:52]} Kc2 {[%emt 0:00:31]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.33"]
[White "Aggarwal Vansh"]
[Black "Koellner, Ruben Gideon"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1901"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,130,23,25,25,57,49,67,64,107,37,35,29,54,0,0,-10,24,20,44,0,24,1,0,-16,-15,0,-10,0,29,0,37,41,74,87,107,46,69,0,0,0,0,0,0,0,8,0,0,0,0,-43,-50,-110,-110,-108,0,0,0,0,0,-150,-141,-160,-151,-274,-191,-251,-246,-285,-285,-254,-225,-468,-392,-509,-452,-450,-430,-729,-729,-819,-732,-687,-635,-1217,-1113,-1541,-1421,-12834,-12835,-5916,-5239,-12836,-12836,-29964,-12835,-29974,-12839,-12839,-12840,-12840,-12841,-12841,-12842,-29980,-29980,-29986,-12843,-29987,-29988,-29990,-29991]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 c6 7. h3 O-O 8. O-O b6 9. Qe2 a6 10. Rd1 Qc7 11. Be3 Bb7 12. dxe5 {C41: Philidor Defence} dxe5 13. Nh4 b5 14. Nf5 {White is slightly better.} Bb4 {[#]} 15. Bd3 $146 (15. Ba2 $16) ({Predecessor:} 15. Bb3 Rfd8 16. axb5 axb5 17. Rxa8 Rxa8 18. Qf3 Bf8 19. Bg5 b4 {1-0 (28) Zelcic,R (2512)-Mencinger,V (2364) Portoroz 2016}) 15... g6 $14 16. Nh6+ Kg7 17. Ng4 (17. Bg5 $14) 17... Nxg4 $11 18. Qxg4 {[%cal Rd3b5]} Nf6 19. Qh4 {White wants to mate with Bh6+.} Ng8 20. Ne2 Be7 21. Qg3 $36 {[%mdl 2048] White is more active.} c5 {...c4 is the strong threat.} 22. c3 c4 23. Bc2 Nf6 {[%cal Bg8f6,Bf6d7,Bd7c5][%mdl 32]} 24. f3 Nd7 25. Kf1 Nc5 26. Nd4 Rfc8 27. Nf5+ $1 Kh8 28. Nxe7 (28. Bxc5 $16 gxf5 29. Bxe7 Qxe7 30. exf5) 28... Qxe7 $14 29. Bxc5 ({Better is} 29. axb5 $14 axb5 30. Rxa8 Rxa8 31. Qg5 Qxg5 32. Bxg5) 29... Rxc5 $11 30. Rd2 Rd8 31. Rxd8+ Qxd8 32. Rd1 Qe7 33. Qf2 Kg7 34. Ke1 Rc6 35. Ke2 b4 {[%cal Bb5b4,Bb4b3][%mdl 32]} 36. Qe3 (36. cxb4 $15 Qxb4 37. Rb1) 36... b3 $17 37. Bb1 Qc5 (37... Bc8 $17) 38. Rd5 $1 $11 {[%cal Rd5c5]} Qxe3+ 39. Kxe3 {[%mdl 4096] Endgame KRB-KRB} Kf6 $1 40. g3 ({White should play} 40. f4 $1 $11) 40... Ke6 $17 41. f4 {[#]} f6 $1 42. g4 (42. h4 $17) 42... Rc8 43. Rd2 (43. Rd1 $142) 43... g5 $19 44. f5+ Ke7 45. Rh2 {intending h4.} Kf7 46. h4 $2 {[#]} (46. Rd2 {was worth a try.} Ke7 47. h4 gxh4 48. Rh2) 46... gxh4 $1 47. Rxh4 Kg7 48. Rh1 Rd8 49. a5 (49. Rg1 $142 Ba8 50. a5) 49... Bc6 50. Ke2 Be8 51. Rg1 Bf7 52. Rg2 {[#]} h5 $1 {[%mdl 512]} 53. Rg1 (53. gxh5+ Kh6) 53... Kh6 54. gxh5 Bxh5+ 55. Ke3 Rd1 56. Rxd1 Bxd1 57. Bd3 cxd3 {KB-KP} 58. c4 Kg7 (58... Bc2 $142 59. Kd2 Kg7 60. c5 Kf8 61. Kc3 Ke7 62. Kd2 Kd7 63. Ke1 Kc6 64. Kd2 Kxc5 65. Ke3 Bb1 66. Kf2 Kd4 67. Kf3 Bc2 68. Kg4 Kxe4 69. Kh4 d2 70. Kh5 Kxf5 71. Kh4 d1=Q 72. Kg3 Be4 73. Kf2 Kg4 74. Ke3 Qe1#) 59. Kxd3 Bc2+ 60. Kc3 Kf7 61. Kb4 Ke7 62. Kc5 Bxe4 63. Kb6 Bd3 (63... Kd6 $142 64. Kxa6 Kc6 65. Ka7 Kc7 66. Ka6 Bc6 67. Ka7 e4 68. a6 e3 69. c5 Bf3 70. c6 e2 71. Ka8 e1=Q 72. Ka7 Qg1+ 73. Ka8 Bxc6#) 64. c5 Kd7 65. Kb7 Bb5 {Accuracy: White = 31%, Black = 75%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.34"]
[White "Raupp, Thomas"]
[Black "Kneutgen, Alexander"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2259"]
[BlackElo "1889"]
[Annotator "RC"]
[PlyCount "76"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:43]} Nc6 {[%emt 0:00:15]} 3. Nf3 {[%emt 0:00:15]} f5 {[%emt 0:01:13]} 4. d4 {[%emt 0:00:13]} e4 {[%emt 0:00:15]} 5. Ng5 {[%emt 0:00:05]} Bb4 {[%emt 0:01:13]} 6. Nh3 {[%emt 0:00:33]} Bxc3+ {[%emt 0:03:47]} 7. bxc3 {[%emt 0:01:12]} d6 {[%emt 0:01:04]} 8. Nf4 {[%emt 0:00:44]} Nf6 {[%emt 0:01:29]} 9. e3 {[%emt 0:01:34]} O-O {[%emt 0:02:47]} 10. h4 {[%emt 0:03:48]} g6 {[%emt 0:09:31]} 11. Ba3 {[%emt 0:11:33]} b6 {[%emt 0:06:30]} 12. c5 {[%emt 0:10:10]} Na5 {[%emt 0:01:25]} 13. cxd6 {[%emt 0:15:15]} cxd6 {[%emt 0:00:13]} 14. c4 {[%emt 0:00:36]} Re8 {[%emt 0:17:02]} 15. Qa4 {[%emt 0:25:52]} Ba6 {[%emt 0:05:01]} 16. d5 {[%emt 0:00:27]} Qd7 {[%emt 0:02:29]} 17. Qxd7 {[%emt 0:11:53]} Nxd7 {[%emt 0:00:03]} 18. Bxd6 {[%emt 0:00:09]} Bxc4 {[%emt 0:04:09]} 19. Bb4 {[%emt 0:00:30]} Bxf1 {[%emt 0:04:26]} 20. Rxf1 {[%emt 0:00:12]} Rac8 {[%emt 0:01:46]} 21. Bxa5 {[%emt 0:01:02]} bxa5 {[%emt 0:00:02]} 22. Kd2 {[%emt 0:00:08]} Ne5 {[%emt 0:03:42]} 23. Rac1 {[%emt 0:02:41]} Nc4+ {[%emt 0:00:21]} 24. Ke2 {[%emt 0:00:10]} Kf7 {[%emt 0:01:31]} 25. Rfd1 {[%emt 0:02:08]} Nd6 {[%emt 0:09:32]} 26. Rc6 {[%emt 0:00:16]} Ke7 {[%emt 0:02:26]} 27. Ra6 {[%emt 0:02:24]} Rc7 {[%emt 0:01:11]} 28. Ne6 {[%emt 0:00:45]} Rb7 {[%emt 0:00:31]} 29. Nc5 {[%emt 0:03:15]} Rc7 {[%emt 0:00:59]} 30. Nb3 {[%emt 0:02:39]} Rb8 {[%emt 0:05:09]} 31. Rxa5 {[%emt 0:01:06]} Rc2+ {[%emt 0:01:10]} 32. Rd2 {[%emt 0:01:02]} Rxd2+ {[%emt 0:00:20]} 33. Nxd2 {[%emt 0:00:07]} Rb7 {[%emt 0:00:51]} 34. Ra6 {[%emt 0:01:31]} Nb5 {[%emt 0:01:36]} 35. Rc6 {[%emt 0:01:28]} Rc7 {[%emt 0:01:06]} 36. Re6+ {[%emt 0:00:48]} Kd7 {[%emt 0:00:25]} 37. Ra6 {[%emt 0:00:11]} Nc3+ {[%emt 0:00:30]} 38. Ke1 {[%emt 0:00:00]} Nxd5 {[%emt 0:01:08]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.35"]
[White "Maruntis, Patrik-Robert"]
[Black "Nebolsina, Vera"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1707"]
[BlackElo "2252"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,116,-10,-2,-6,0,-10,-11,-19,-15,-66,-62,-89,-90,-107,-104,-125,-64,-87,-77,-65,-66,-76,-42,-49,-42,-70,-38,-35,-29,-62,0,0,5,12,55,20,29,0,20,-10,0,-79,-2,-11,0,0,7,0,0,0,0,0,0,-5,41,0,0,-57,-33,-64,-72,-92,-15,-12,0,0,0,0,0,0,0,-206,-206,-252,0,0,51,-29,445,445,717,691,1155,1130,864,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,67,0,0,0,0,0,0]} 1. e4 g6 2. Nf3 Bg7 3. c4 (3. d4 d6 4. Be3 Nf6 5. Nc3 O-O 6. Qd2 Nc6 7. d5 Nb8 8. Bh6 c6 9. Bxg7 Kxg7 10. O-O-O cxd5 11. exd5 Bg4 12. Be2 Nbd7 13. Rhe1 Rc8 14. Nd4 Bxe2 15. Rxe2 {0-1 (36) Giri,A (2780)-Xiong,J (2707) Khanty-Mansiysk 2019}) 3... d6 4. Be2 e5 5. Nc3 c5 6. d3 {B06: Modern Defence} Nc6 7. Be3 Nge7 8. Qd2 h6 9. O-O-O $146 ({White should play} 9. Qd1 $11) ({Predecessor:} 9. h4 f5 10. g3 {0-1 (29) Reddmann,H (2322)-Landa,K (2608) Hamburg 2007}) 9... a6 $15 10. Nh4 b5 11. g3 b4 12. Nd5 Nxd5 (12... a5 $1 $17 13. f4 exf4 14. gxf4 a4) 13. cxd5 Nd4 14. Bxd4 exd4 15. Kb1 Bf6 16. Ng2 Bh3 17. Nf4 Bg5 18. Bf1 Bg4 19. Be2 Bxf4 (19... Bd7 $15) 20. gxf4 $11 Bd7 21. h4 Qf6 22. Rde1 O-O-O 23. Bf1 Rde8 24. Bg2 Kb8 25. a3 (25. e5 $11 Qd8 26. Qc2) 25... a5 (25... bxa3 $17 26. bxa3 Ka7) 26. Rc1 Bb5 27. e5 Qd8 28. h5 g5 29. Be4 gxf4 30. exd6 Qxd6 31. Rh4 {[#]} f5 $1 {[%mdl 512]} 32. Bf3 {[%mdl 1024] White has compensation.} (32. Bxf5 Rhf8) 32... Ka7 33. Rd1 (33. b3 $11) 33... Ba4 34. Rc1 Rb8 35. Ka1 Qb6 ({Black should try} 35... Rb5 $17 36. Qxf4 Qd7) 36. Rhh1 Ka6 37. Rce1 Bd7 38. Re7 Qb5 39. Qc1 Rhe8 40. Rg7 $2 (40. Rh7 $11) 40... bxa3 $19 41. bxa3 {[%cal Bb2a3,Ba3a4][%mdl 32]} Rb7 $2 (41... Qxd3 $19 42. Rg6+ (42. Rxd7 $2 Rb3 $19) 42... Rb6) 42. Qc2 Reb8 (42... Qb3 $11 43. Rg6+ Ka7 $1 {[%mdl 512]} 44. Qxc5+ Kb8 45. Qd6+ Ka8 46. Qa6+ Kb8 47. Qd6+ Ka8 48. Qa6+ Kb8 49. Qd6+) 43. Rhg1 {[#]} (43. d6 $1 $14 Bc6 44. Rxb7 Qxb7 45. Qc4+ Ka7 46. Qxc5+ {[%mdl 64] Double Attack} Qb6 47. Qxb6+ Rxb6 48. Bxc6 Rxc6 49. d7) 43... Ka7 $2 {[%mdl 8192] [#]} (43... c4 $1 $11 {[%mdl 512] and Black has nothing to worry.} 44. Qxc4 (44. dxc4 Qc5 $15) 44... Qxc4 45. dxc4 a4) 44. d6 $1 $18 Rb6 (44... Bc6 $142) 45. a4 $1 {[%cal Ra4b5]} Qb4 {( -> ...Qa3+)} 46. Rxd7+ Ka6 47. Qc4+ $2 (47. Bd5 $18 {Threatens to win with Bc4+.} Qa3+ 48. Ba2) 47... Qxc4 $11 48. dxc4 {Strongly threatening Rc7.} Rb3 $36 {[%cal Rb3a3][%mdl 2048] Black is pushing.} 49. Ka2 {aiming for Bc6.} Rxf3 {[%mdl 4096] Endgame KRR-KRR} 50. Rc7 $1 {d7 is the strong threat.} Rxf2+ 51. Ka1 {Black must now prevent d7.} Rf3 {[%cal Rf3a3]} 52. Ka2 {And now d7 would win.} Rg3 53. Rc6+ Kb7 54. Rc7+ Ka8 55. Re1 Re3 (55... Rd8 $11) 56. Rg1 (56. Rb1 $1 $14 Re2+ 57. Ka1) 56... Re2+ {The position is equal.} 57. Ka1 Re3 {[%cal Re3a3]} (57... f3 $5 58. Rgg7 $8 Re1+ 59. Ka2 Re2+ 60. Ka3 Re3+ 61. Ka2 Re2+ 62. Ka3 Re3+ 63. Ka2 Re2+ $11) 58. Ka2 Re2+ {Accuracy: White = 44%, Black = 35%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.36"]
[White "Zysk, Robert"]
[Black "Lohvinov, Petro"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2412"]
[BlackElo "2117"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,119,12,-1,58,35,47,51,59,41,23,47,31,27,102,111,125,128,143,134,116,125,124,127,124,124,124,124,129,123,137,126,255,204,229,204,199,200,245,220,245,235,245,241,296,271,245,245,315,317,308,312,306,245,356,379,384,362,395,234,232,229,355,380,401,383,389,386,359,303,415,409,372,355,433,410,689,689,681,677,662,576,1030,862,978,840,29973,29973,29971,2148,29975,29975,29973,6544,29982,29983,29983,29984,29984,29985,29985,29986,29986,29983,29983,29984]} 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e3 Re8 9. b3 Qe7 {E67: King's Indian: Fianchetto: 6...Nbd7} (9... c6 $11) (9... c6 10. Ba3 e4 11. Nd2 d5 12. Qc1 a6 13. cxd5 cxd5 14. Na4 b5 15. Nc5 Nb8 16. b4 h5 17. h3 Ra7 18. Qd1 {0-1 (34) Huzman,A (2580)-Vishnu,P (2518) St Petersburg 2018}) 10. Ba3 a6 $146 ({Predecessor:} 10... h5 11. Rc1 exd4 12. exd4 Bh6 13. Rc2 Nf8 14. Bc1 Bg7 15. Re2 Qd8 16. Rxe8 Qxe8 17. Re1 {1-0 (37) Mona,K (2121)-Mudongo,B (1862) Istanbul 2012}) 11. Rc1 Rb8 {White is slightly better.} 12. dxe5 (12. c5 $5 {[%cal Rc5d6]} d5 13. dxe5 Nxe5 14. Nxe5 (14. Nxd5 Nxd5 15. Qxd5 Rd8 $11) 14... Qxe5 15. Nxd5 $14) 12... Nxe5 13. Nxe5 Qxe5 14. Nd5 Nxd5 (14... c5 $1 $11 {remains equal.}) 15. cxd5 $16 Re7 16. Rc4 Qf5 17. Qc1 Qd7 {[#]} 18. Rxc7 $1 {[%mdl 576] Remove Defender} Qxc7 19. Qxc7 Rxc7 20. Bxd6 Rc2 {Threatens to win with ...Ra8.} 21. Bxb8 Rxa2 22. Rc1 Bd7 23. h4 h5 (23... Ra1 $16 {was necessary.} 24. Rxa1 Bxa1) 24. d6 {aiming for Rc7.} Bf6 25. Bd5 Rd2 26. Bxb7 Bb5 27. Bf3 Kg7 28. Bc7 Be5 29. Rd1 Rxd1+ 30. Bxd1 $18 {[%mdl 4096] Endgame KBB-KBB} Kf8 31. f4 Bf6 32. Bb6 Ke8 33. e4 Bc3 34. Kf2 Bb4 (34... Bd7 $142 35. Bc5 Kd8) 35. e5 Bd7 36. Be2 a5 37. Bd1 (37. Be3 $142) 37... Be6 38. Bc2 Bd7 (38... Kd7 {was worth a try.} 39. Bd4 Kc6) 39. Be3 Bc3 40. Bc5 Be6 41. Bd3 Bd7 42. Bc4 Bd2 43. Ke2 Bc3 44. Bf2 Bb4 45. Bd5 a4 (45... Bb5+ $142 46. Kf3 Bd7) 46. bxa4 Bxa4 47. Kd3 Bb5+ 48. Kd4 Bd7 49. Kc4 Ba5 50. Kc5 Bd8 51. Bc6 Ba5 52. Kb5 Bc3 53. Kb6 Ba5+ 54. Kb7 Kd8 55. Bb6+ {White mates.} Bxb6 56. Kxb6 Be6 57. Kc5 Bf5 58. Bd5 Ke8 59. Kb6 Kd7 60. Bxf7 {Accuracy: White = 81%, Black = 30%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.37"]
[White "Manu David Suthandram R"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2403"]
[BlackElo "2109"]
[Annotator "RC"]
[PlyCount "75"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:06]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:28]} 4. Bb5 {[%emt 0:00:19]} Nd4 {[%emt 0:00:32]} 5. Bd3 {[%emt 0:00:39]} Ne7 {[%emt 0:01:15]} 6. Nxd4 {[%emt 0:01:10]} cxd4 {[%emt 0:00:09]} 7. Ne2 {[%emt 0:05:30]} Nc6 {[%emt 0:00:34]} 8. O-O {[%emt 0:00:36]} Bc5 {[%emt 0:11:08]} 9. c3 {[%emt 0:01:57]} O-O {[%emt 0:03:15]} 10. Qc2 {[%emt 0:06:20]} dxc3 {[%emt 0:06:47]} 11. dxc3 {[%emt 0:01:26]} e5 {[%emt 0:06:20]} 12. b4 {[%emt 0:13:38]} Bb6 {[%emt 0:01:09]} 13. Kh1 {[%emt 0:02:27]} d6 {[%emt 0:07:14]} 14. f4 {[%emt 0:00:13]} exf4 {[%emt 0:02:21]} 15. Nxf4 {[%emt 0:07:53]} Ne5 {[%emt 0:02:28]} 16. Nd5 {[%emt 0:05:18]} Be6 {[%emt 0:03:00]} 17. Bf4 {[%emt 0:00:25]} a5 {[%emt 0:06:19]} 18. Bb5 {[%emt 0:09:15]} Rc8 {[%emt 0:06:57]} 19. Qd2 {[%emt 0:06:19]} Bxd5 {[%emt 0:10:00]} 20. exd5 {[%emt 0:13:47]} axb4 {[%emt 0:08:56]} 21. cxb4 {[%emt 0:00:08]} Qh4 {[%emt 0:00:13]} 22. Bg5 {[%emt 0:04:29]} Qd4 {[%emt 0:04:00]} 23. Rad1 {[%emt 0:10:29]} Qxd2 {[%emt 0:02:06]} 24. Rxd2 {[%emt 0:00:05]} f6 {[%emt 0:00:37]} 25. Bf4 {[%emt 0:00:54]} Rc3 {[%emt 0:04:24]} 26. h3 {[%emt 0:00:04]} Rfc8 {[%emt 0:05:10]} 27. Kh2 {[%emt 0:01:35]} Be3 {[%emt 0:00:32]} 28. Bxe3 {[%emt 0:01:19]} Rxe3 {[%emt 0:00:02]} 29. Rff2 {[%emt 0:01:11]} Re4 {[%emt 0:01:14]} 30. Rc2 {[%emt 0:00:42]} Nc4 {[%emt 0:03:49]} 31. a4 {[%emt 0:01:25]} Nb6 {[%emt 0:00:35]} 32. a5 {[%emt 0:00:40]} Rxc2 {[%emt 0:01:03]} 33. Rxc2 {[%emt 0:00:06]} Rxb4 {[%emt 0:01:07]} 34. Bd3 {[%emt 0:01:33]} Rd4 {[%emt 0:00:56]} 35. Rd2 {[%emt 0:00:31]} Rxd3 {[%emt 0:01:29]} 36. Rxd3 {[%emt 0:00:06]} Nd7 {[%emt 0:00:20]} 37. Rb3 {[%emt 0:00:16]} Nc5 38. Rc3 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.38"]
[White "Piscopo, Pierluigi"]
[Black "Thiel, Fabian"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2398"]
[BlackElo "2109"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,37,62,63,61,55,54,44,45,43,58,17,67,50,51,45,89,78,81,72,62,58,105,99,82,54,54,58,56,6,48,6,12,8,18,0,12,11,10,0,2,0,0,0,0,0,5,0]} 1. c4 g6 2. Nc3 e5 3. d4 Bg7 4. dxe5 Bxe5 5. Nf3 Bg7 6. e4 {A21: English Opening: 1...e5 2 Nc3} Ne7 7. Be3 (7. h4 h6 8. Be3 d6 9. c5 dxc5 10. Qxd8+ Kxd8 11. O-O-O+ {1-0 (40) Maksimenko,A (2484)-Fernandez,D (2465) Dublin 2019}) 7... d6 8. c5 $146 {White is slightly better.} ({Predecessor:} 8. Qd2 O-O 9. Bh6 Nbc6 10. Bxg7 Kxg7 11. Nd5 Bg4 12. Qc3+ f6 13. Nf4 g5 14. Nxg5 {1-0 (21) Batzianoulis,P-Papadoulis,V Thessalias 2007}) 8... O-O 9. cxd6 cxd6 10. Be2 Be6 11. O-O d5 12. Nd4 Bc8 13. exd5 Nxd5 14. Nxd5 Qxd5 15. Nb5 Qxd1 16. Raxd1 {[#] And now Nc7 would win.} Nc6 17. b4 {Nc7 is the strong threat.} Be5 18. f4 Bb8 19. Bf3 {With the idea Bc5.} Be6 20. Nd6 Bxd6 {The position is equal.} 21. Rxd6 Nxb4 22. Rb1 Nxa2 23. Rxb7 Rad8 24. Bc5 Nc3 25. Rxd8 Rxd8 26. Rxa7 Bd5 27. Be7 Re8 28. Bf6 {Accuracy: White = 46%, Black = 69%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.39"]
[White "Juergens, Klaus"]
[Black "Soham Das"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2121"]
[BlackElo "2376"]
[Annotator "RC"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} f5 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:17]} 3. g3 {[%emt 0:00:07]} g6 {[%emt 0:00:05]} 4. Bg2 {[%emt 0:00:10]} Bg7 {[%emt 0:00:06]} 5. O-O {[%emt 0:00:10]} O-O {[%emt 0:00:04]} 6. Nc3 {[%emt 0:00:23]} d6 {[%emt 0:00:13]} 7. d4 {[%emt 0:00:16]} c6 {[%emt 0:00:06]} 8. b3 {[%emt 0:04:17]} Qa5 {[%emt 0:00:38]} 9. Bd2 {[%emt 0:03:49]} Qc7 {[%emt 0:00:06]} 10. Rc1 {[%emt 0:02:56]} e5 {[%emt 0:05:07]} 11. dxe5 {[%emt 0:07:44]} dxe5 {[%emt 0:00:21]} 12. Qc2 {[%emt 0:18:16]} Na6 {[%emt 0:06:49]} 13. Rcd1 {[%emt 0:00:31]} Qe7 {[%emt 0:21:39]} 14. Qc1 {[%emt 0:06:23]} e4 {[%emt 0:18:59]} 15. Nd4 {[%emt 0:05:06]} Rd8 {[%emt 0:00:09]} 16. Bg5 {[%emt 0:00:40]} Qf8 {[%emt 0:01:17]} 17. f3 {[%emt 0:04:28]} h6 {[%emt 0:07:38]} 18. Be3 {[%emt 0:00:21]} g5 {[%emt 0:25:33]} 19. fxe4 {[%emt 0:07:32]} Ng4 {[%emt 0:00:01]} 20. Nxf5 {[%emt 0:01:21]} Bxf5 {[%emt 0:02:51]} 21. exf5 {[%emt 0:09:07]} Qe7 {[%emt 0:04:57]} 22. Ne4 {[%emt 0:01:54]} Bb2 {[%emt 0:03:27]} 23. Rxd8+ {[%emt 0:09:27]} Rxd8 {[%emt 0:00:30]} 24. Qxb2 {[%emt 0:00:51]} Nxe3 {[%emt 0:00:05]} 25. f6 {[%emt 0:00:43]} Qf7 {[%emt 0:00:33]} 26. Rf3 {[%emt 0:01:10]} Nd1 {[%emt 0:00:52]} 27. Qe5 {[%emt 0:00:48]} Re8 {[%emt 0:00:31]} 28. Qf5 {[%emt 0:00:27]} Rd8 {[%emt 0:00:30]} 29. c5 {[%emt 0:03:06]} Rd5 {[%emt 0:00:30]} 30. Qc8+ {[%emt 0:01:33]} Qf8 {[%emt 0:00:30]} 31. f7+ {[%emt 0:01:49]} Kg7 {[%emt 0:00:07]} 32. Qxf8+ {[%emt 0:00:39]} Kxf8 {[%emt 0:00:01]} 33. Nf6 {[%emt 0:00:15]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.40"]
[White "Schatz, Dieter"]
[Black "Weber, Ulrich"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2113"]
[BlackElo "2360"]
[Annotator "RC"]
[PlyCount "88"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:13]} c5 {[%emt 0:00:00]} 4. Bg2 {[%emt 0:00:07]} Nc6 {[%emt 0:00:03]} 5. Nge2 {[%emt 0:00:54]} d6 {[%emt 0:01:37]} 6. d3 {[%emt 0:02:03]} e6 {[%emt 0:00:13]} 7. O-O {[%emt 0:02:04]} Nge7 {[%emt 0:00:06]} 8. Be3 {[%emt 0:01:01]} Nd4 {[%emt 0:00:59]} 9. Qd2 {[%emt 0:12:59]} O-O {[%emt 0:01:19]} 10. Nd1 {[%emt 0:00:19]} Nec6 {[%emt 0:09:15]} 11. c3 {[%emt 0:03:42]} Nxe2+ {[%emt 0:00:17]} 12. Qxe2 {[%emt 0:00:03]} Qd7 {[%emt 0:07:26]} 13. h4 {[%emt 0:06:37]} b6 {[%emt 0:01:02]} 14. h5 {[%emt 0:04:35]} Ba6 {[%emt 0:02:09]} 15. h6 {[%emt 0:01:14]} Bh8 {[%emt 0:00:54]} 16. f4 {[%emt 0:00:20]} d5 {[%emt 0:10:20]} 17. Nf2 {[%emt 0:08:10]} dxe4 {[%emt 0:04:15]} 18. Bxe4 {[%emt 0:00:09]} Rad8 {[%emt 0:00:19]} 19. Rfd1 {[%emt 0:00:11]} Rfe8 {[%emt 0:02:24]} 20. Qf3 {[%emt 0:04:43]} Ne7 {[%emt 0:10:04]} 21. Qg2 {[%emt 0:06:07]} Nd5 {[%emt 0:06:35]} 22. Bd2 {[%emt 0:02:49]} Qc7 {[%emt 0:07:00]} 23. Re1 {[%emt 0:03:01]} Nf6 {[%emt 0:07:21]} 24. Rad1 {[%emt 0:07:40]} Re7 {[%emt 0:07:36]} 25. Bc1 {[%emt 0:03:58]} Nxe4 {[%emt 0:06:12]} 26. dxe4 {[%emt 0:00:21]} Red7 {[%emt 0:00:41]} 27. Qf3 {[%emt 0:00:15]} Bb7 {[%emt 0:00:21]} 28. Rxd7 {[%emt 0:01:52]} Rxd7 {[%emt 0:00:08]} 29. Rd1 {[%emt 0:00:09]} f5 {[%emt 0:00:40]} 30. Rxd7 {[%emt 0:01:39]} Qxd7 {[%emt 0:00:01]} 31. Qe3 {[%emt 0:00:25]} fxe4 {[%emt 0:01:27]} 32. Bd2 {[%emt 0:02:52]} Qd5 {[%emt 0:01:14]} 33. a3 {[%emt 0:00:39]} Kf8 {[%emt 0:03:06]} 34. g4 {[%emt 0:01:12]} Bf6 {[%emt 0:00:45]} 35. Kh2 {[%emt 0:05:18]} Be7 {[%emt 0:01:09]} 36. Kg3 {[%emt 0:00:40]} Bd6 {[%emt 0:00:33]} 37. Kh4 {[%emt 0:02:29]} e5 {[%emt 0:04:13]} 38. f5 {[%emt 0:01:36]} Be7+ {[%emt 0:00:46]} 39. f6 {[%emt 0:03:27]} Bxf6+ {[%emt 0:00:05]} 40. g5 {[%emt 0:00:04]} Be7 {[%emt 0:00:16]} 41. Ng4 {[%emt 0:30:29]} Bc8 {[%emt 0:35:57]} 42. Qf2+ {[%emt 0:01:23]} Bf5 {[%emt 0:00:00]} 43. Ne3 {[%emt 0:00:00]} Bxg5+ {[%emt 0:00:00]} 44. Kg3 {[%emt 0:00:00]} Bf4+ {[%emt 0:00:00]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.41"]
[White "Melde, Christian"]
[Black "De Ruijter, Luuk"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1981"]
[BlackElo "2214"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,66,9,0,0,0,8,0,0,-28,-28,-27,-27,-39,-31,-117,-22,-57,-54,-58,-56,-67,-64,-65,-54,-75,-35,-41,0,0,0,-119,-110,-136,-18,-23,-30,-22,-19,-153,-138,-210,-195,-196,-194,-1087,-695,-29988,-29989,-29989,-29990,-29990,-29991]} 1. Nf3 Nf6 2. d4 e6 3. e3 b6 4. Nbd2 Bb7 5. Bd3 d5 6. O-O Nbd7 7. b3 Be7 8. Bb2 O-O 9. Ne5 Nxe5 {D05: Colle System with ...e6} (9... Ne4 10. Nxd7 Qxd7 11. f3 Nxd2 12. Qxd2 f5 13. f4 c5 14. Rad1 Rac8 15. c4 Rfd8 16. Qe2 Qe8 {½-½ (16) Starostits,I (2458)-Strikovic,A (2488) Elgoibar 2018}) 10. dxe5 Nd7 11. f4 Nc5 {The position is equal.} 12. Qh5 $146 {[%csl Gd3][%cal Rh5h7]} ({Predecessor:} 12. Be2 f6 13. Nf3 Nd7 14. Nd4 Nc5 15. b4 fxe5 16. fxe5 Rxf1+ 17. Qxf1 {0-1 (50) Nguyen,T (2321)-Mamedjarova,Z (2363) Riadh 2017}) 12... Nxd3 13. cxd3 Ba6 14. Qe2 Qd7 15. Rf3 ({Better is} 15. Rfc1 $15) 15... f5 (15... Qb5 $1 $17 16. Rc1 Qxd3 17. Qxd3 Bxd3) 16. Rh3 g6 17. Nf3 c5 18. Kh1 Rac8 19. Rd1 Qb5 20. Qf2 Rcd8 21. Qg3 Qa5 22. Rh6 $1 {[%cal Rh6g6]} Rf7 23. Ng5 (23. Rxg6+ $1 $11 hxg6 24. Qxg6+ Kf8 25. Qxe6) 23... Bxg5 $1 $17 24. Qxg5 {[#]} Re8 ({Black should play} 24... Rdf8 $1 $17 25. h4 Rg7) 25. h4 $1 $11 {[%cal Rh4h5] h5 is the strong threat.} Rg7 $36 {[%mdl 2048] Threatens to win with ...Bxd3! Black has some pressure.} 26. h5 $1 {[%cal Rh5g6]} gxh5 ({Avoid the trap} 26... Qxa2 $2 27. hxg6 Qxb3 28. Ra1 $18) 27. Qxh5 (27. Qh4 $11 {keeps the balance.}) 27... Ree7 $17 28. Qh4 (28. Qe2 $17) 28... Qxa2 $19 {[%mdl 64] Double Attack} 29. Rd2 Bb5 ({Inferior is} 29... Qxb3 {[#]} 30. Rxe6 $3 {[%mdl 512]} Rxe6 31. Qd8+ Kf7 32. Qd7+ Re7 33. e6+ Kg6 34. Bxg7 $14) 30. g4 $2 (30. Rh5) 30... Rxg4 {( -> ...Qb1+)} 31. Rg2 Qb1+ {[%mdl 64] Double Attack. Black mates.} 32. Kh2 Rxg2+ 33. Kxg2 Rg7+ {Accuracy: White = 36%, Black = 65%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.42"]
[White "Fiedorek, Michal"]
[Black "Parvanyan, Alfred"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2343"]
[BlackElo "2107"]
[Annotator "RC"]
[PlyCount "119"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:14]} e5 {[%emt 0:00:13]} 6. Ndb5 {[%emt 0:00:33]} d6 {[%emt 0:00:14]} 7. Nd5 {[%emt 0:00:23]} Nxd5 {[%emt 0:00:14]} 8. exd5 {[%emt 0:00:08]} Nb8 {[%emt 0:00:04]} 9. a4 {[%emt 0:00:33]} Be7 {[%emt 0:05:01]} 10. Be2 {[%emt 0:00:58]} O-O {[%emt 0:00:30]} 11. O-O {[%emt 0:01:03]} f5 {[%emt 0:02:38]} 12. Bd2 {[%emt 0:05:24]} Na6 {[%emt 0:21:04]} 13. f4 {[%emt 0:10:52]} Bf6 {[%emt 0:09:12]} 14. c3 {[%emt 0:08:49]} Nc5 {[%emt 0:06:21]} 15. Be3 {[%emt 0:09:13]} Ne4 {[%emt 0:02:26]} 16. Nxa7 {[%emt 0:16:04]} exf4 {[%emt 0:10:14]} 17. Bd4 {[%emt 0:00:48]} Bxd4+ {[%emt 0:01:35]} 18. Qxd4 {[%emt 0:00:08]} Nc5 {[%emt 0:00:10]} 19. Nxc8 {[%emt 0:01:12]} Nb3 {[%emt 0:06:22]} 20. Qb6 {[%emt 0:03:33]} Nxa1 {[%emt 0:01:51]} 21. Qxd8 {[%emt 0:00:23]} Rxd8 {[%emt 0:00:04]} 22. Nb6 {[%emt 0:00:52]} f3 {[%emt 0:02:16]} 23. Bb5 {[%emt 0:11:40]} Nb3 {[%emt 0:06:38]} 24. Nxa8 {[%emt 0:00:12]} fxg2 {[%emt 0:02:08]} 25. Rxf5 {[%emt 0:01:56]} Rxa8 {[%emt 0:00:27]} 26. Kxg2 {[%emt 0:02:48]} Rf8 {[%emt 0:01:25]} 27. Rf3 {[%emt 0:02:54]} Rxf3 {[%emt 0:01:51]} 28. Kxf3 {[%emt 0:00:06]} Kf7 {[%emt 0:00:07]} 29. Bd3 {[%emt 0:09:29]} g6 {[%emt 0:00:12]} 30. Ke3 {[%emt 0:04:46]} Kf6 {[%emt 0:05:14]} 31. Bc2 {[%emt 0:00:52]} Nc5 {[%emt 0:00:50]} 32. b4 {[%emt 0:00:17]} Nd7 {[%emt 0:00:14]} 33. Kd4 {[%emt 0:00:59]} h5 {[%emt 0:00:08]} 34. a5 {[%emt 0:06:59]} h4 {[%emt 0:02:21]} 35. Ba4 {[%emt 0:00:45]} Nb8 {[%emt 0:06:43]} 36. Bd1 {[%emt 0:00:40]} Nd7 {[%emt 0:02:48]} 37. Ba4 {[%emt 0:00:42]} Nb8 {[%emt 0:00:12]} 38. Bd1 {[%emt 0:00:04]} Nd7 {[%emt 0:00:06]} 39. Bg4 {[%emt 0:00:35]} Ne5 {[%emt 0:01:03]} 40. Bc8 {[%emt 0:02:08]} Ke7 {[%emt 0:02:23]} 41. Bxb7 {[%emt 0:06:02]} Kd8 {[%emt 0:04:07]} 42. Bc6 {[%emt 0:01:19]} Kc8 {[%emt 0:10:48]} 43. b5 {[%emt 0:01:57]} Nf3+ {[%emt 0:00:13]} 44. Ke3 {[%emt 0:01:29]} Ne5 {[%emt 0:00:42]} 45. Kd4 {[%emt 0:02:53]} Nf3+ {[%emt 0:00:22]} 46. Ke4 {[%emt 0:11:55]} Nd2+ {[%emt 0:01:52]} 47. Kf4 {[%emt 0:01:29]} Nc4 {[%emt 0:00:48]} 48. a6 {[%emt 0:00:17]} Kb8 49. Kg5 {[%emt 0:01:35]} Ka7 {[%emt 0:03:08]} 50. Kxh4 {[%emt 0:00:12]} Ne5 {[%emt 0:01:59]} 51. Kg5 {[%emt 0:01:19]} Kb6 {[%emt 0:01:04]} 52. h4 {[%emt 0:00:42]} Ka7 {[%emt 0:01:51]} 53. Be8 {[%emt 0:00:57]} Nf3+ {[%emt 0:00:33]} 54. Kxg6 {[%emt 0:00:52]} Nxh4+ {[%emt 0:00:06]} 55. Kf6 {[%emt 0:00:15]} Nf3 {[%emt 0:01:59]} 56. Ke7 {[%emt 0:01:32]} Nd2 {[%emt 0:00:55]} 57. Kxd6 {[%emt 0:00:39]} Ne4+ {[%emt 0:00:15]} 58. Ke5 {[%emt 0:01:03]} Nxc3 {[%emt 0:00:12]} 59. d6 {[%emt 0:00:22]} Na2 {[%emt 0:02:34]} 60. d7 {[%emt 0:00:35]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.43"]
[White "Forchert, Martin"]
[Black "Hallmann, Norbert"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2335"]
[BlackElo "2105"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,40,42,45,53,41,50,31,66,65,123,116,156,146,161,171,176,144,155,141,179,146,147,116,229,189,255,254,264,264,280,250,268,248,249,243,259,250,257,218,270,272,297,275,336,330,339,313,491,481,489,494,454,461,728,742,827,806,942,940,924,917,1358,1319,1203,668,1325,1364,1345,1297,1592]} 1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 e6 (4... g6 5. h3 Bg7 6. Be3 O-O 7. Qd2 a6 8. d5 Na7 9. a4 c6 10. Be2 Bd7 11. O-O b5 12. dxc6 Bxc6 13. e5 b4 14. exf6 bxc3 15. fxe7 cxd2 16. exd8=Q Rfxd8 {½-½ (49) Nisipeanu,L (2667)-Maghsoodloo,P (2671) Malmo 2019}) 5. Bd3 Be7 6. a3 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence} e5 7. d5 Nb8 $1 8. Ne2 $146 {White is slightly better.} ({Predecessor:} 8. h3 c6 9. O-O O-O 10. Be3 Nbd7 11. Nd2 cxd5 12. exd5 {½-½ (29) Pecis,G (2332)-Bertagna,I (2381) ICCF email 2013}) 8... Nh5 9. h3 g5 ({Black should play} 9... O-O $14) 10. g3 $16 c5 11. c4 Bd7 12. Nc3 Ng7 13. Qc2 h6 14. Be3 Qa5 15. Nd2 Na6 16. Ke2 O-O (16... Qc7 $16 {was necessary.} 17. Rab1 Nh5) 17. f4 Nh5 (17... Qd8 $142 18. fxe5 dxe5) 18. Rag1 $18 f6 19. f5 Kf7 20. Nf1 Nc7 21. Bd2 Qa6 22. h4 {[#] Strongly threatening hxg5.} Rh8 23. Kf2 Ng7 24. Ne3 Rag8 25. Be2 b6 26. Qd1 Qb7 27. Rh2 Ke8 28. Rgh1 Kd8 (28... gxh4 {was worth a try.} 29. Rxh4 Kd8 30. Rxh6 Rxh6) 29. hxg5 {White is clearly winning.} fxg5 30. Rxh6 Rxh6 31. Rxh6 b5 (31... Nce8 $142 32. Ng4 Kc7) 32. cxb5 a6 33. Nc4 axb5 34. Nxd6 Bxd6 35. Rxd6 Rh8 36. Bxg5+ Kc8 37. Rh6 Rf8 38. Be7 Rf7 39. Bxc5 Kd8 {Accuracy: White = 82%, Black = 30%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.10.31"]
[Round "6.44"]
[White "Koepke, Christian"]
[Black "Fauth, Dietmar"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2332"]
[BlackElo "2099"]
[Annotator "RC"]
[PlyCount "119"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:02:11]} c5 {[%emt 0:00:35]} 2. Nf3 {[%emt 0:00:11]} Nc6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:22]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:07]} e5 {[%emt 0:00:05]} 5. Nb5 {[%emt 0:00:13]} d6 {[%emt 0:00:10]} 6. c4 {[%emt 0:01:07]} a6 {[%emt 0:03:47]} 7. N5c3 {[%emt 0:02:08]} Be7 {[%emt 0:00:20]} 8. Nd5 {[%emt 0:03:41]} Nf6 {[%emt 0:01:41]} 9. Nbc3 {[%emt 0:02:53]} O-O {[%emt 0:01:16]} 10. Bd3 {[%emt 0:00:09]} Nxd5 {[%emt 0:18:19]} 11. cxd5 {[%emt 0:13:37]} Nd4 {[%emt 0:07:20]} 12. O-O {[%emt 0:11:06]} f5 {[%emt 0:10:54]} 13. exf5 {[%emt 0:27:40]} Bxf5 {[%emt 0:04:28]} 14. Be3 {[%emt 0:04:31]} Bxd3 {[%emt 0:16:23]} 15. Qxd3 {[%emt 0:00:07]} Nf5 {[%emt 0:00:21]} 16. Ne4 {[%emt 0:08:02]} Rc8 {[%emt 0:01:18]} 17. Qb3 {[%emt 0:03:12]} Qd7 {[%emt 0:01:53]} 18. Rac1 {[%emt 0:04:53]} h6 {[%emt 0:00:30]} 19. Rxc8 {[%emt 0:06:50]} Rxc8 {[%emt 0:00:15]} 20. Rc1 {[%emt 0:00:36]} Rxc1+ {[%emt 0:11:41]} 21. Bxc1 {[%emt 0:00:01]} Qc8 {[%emt 0:00:38]} 22. Qc3 {[%emt 0:01:52]} Qxc3 {[%emt 0:04:19]} 23. bxc3 {[%emt 0:02:49]} h5 {[%emt 0:01:49]} 24. f3 {[%emt 0:00:38]} Kf7 {[%emt 0:02:50]} 25. g4 {[%emt 0:01:38]} hxg4 {[%emt 0:00:14]} 26. fxg4 {[%emt 0:00:01]} Nh4 {[%emt 0:00:39]} 27. Ba3 {[%emt 0:01:00]} Ke8 {[%emt 0:05:47]} 28. Bxd6 {[%emt 0:00:22]} Kd7 {[%emt 0:00:13]} 29. Bxe7 {[%emt 0:00:30]} Kxe7 {[%emt 0:00:01]} 30. c4 {[%emt 0:00:19]} b6 {[%emt 0:00:33]} 31. Kf2 {[%emt 0:00:24]} Ng6 {[%emt 0:00:35]} 32. Ke3 {[%emt 0:00:29]} Nf4 {[%emt 0:00:44]} 33. Ng3 {[%emt 0:01:20]} g6 {[%emt 0:00:07]} 34. Ne2 {[%emt 0:00:36]} Nh3 {[%emt 0:00:36]} 35. Nc3 {[%emt 0:00:39]} Kd6 {[%emt 0:00:25]} 36. Ne4+ {[%emt 0:00:36]} Ke7 {[%emt 0:00:05]} 37. a4 {[%emt 0:00:21]} Nf4 {[%emt 0:00:12]} 38. Nc3 {[%emt 0:01:02]} Kd6 {[%emt 0:00:10]} 39. Ne4+ {[%emt 0:00:08]} Ke7 {[%emt 0:00:01]} 40. g5 {[%emt 0:01:01]} Nh3 {[%emt 0:02:33]} 41. Kd3 {[%emt 0:14:57]} Nf4+ {[%emt 0:01:19]} 42. Kc3 {[%emt 0:01:23]} Kd7 {[%emt 0:00:36]} 43. a5 {[%emt 0:05:51]} bxa5 {[%emt 0:00:28]} 44. Kb3 {[%emt 0:00:41]} Nd3 {[%emt 0:00:30]} 45. h4 {[%emt 0:01:12]} Ke7 {[%emt 0:05:49]} 46. c5 {[%emt 0:02:32]} Nf4 {[%emt 0:00:53]} 47. Kc4 {[%emt 0:00:45]} a4 {[%emt 0:01:46]} 48. c6 {[%emt 0:01:15]} a3 {[%emt 0:00:41]} 49. d6+ {[%emt 0:01:07]} Kd8 {[%emt 0:08:19]} 50. Kb3 {[%emt 0:00:19]} a2 {[%emt 0:06:25]} 51. Kxa2 {[%emt 0:00:10]} Ne6 {[%emt 0:00:07]} 52. Ka3 {[%emt 0:02:02]} Nd4 {[%emt 0:00:12]} 53. c7+ {[%emt 0:00:27]} Kc8 {[%emt 0:00:04]} 54. Kb4 {[%emt 0:00:54]} Nf5 {[%emt 0:03:20]} 55. Kc5 {[%emt 0:00:24]} Kb7 {[%emt 0:00:07]} 56. Kd5 {[%emt 0:00:31]} a5 {[%emt 0:00:39]} 57. Kxe5 {[%emt 0:01:45]} Nxh4 {[%emt 0:00:32]} 58. Nc5+ {[%emt 0:00:22]} Kc8 {[%emt 0:00:10]} 59. Na4 {[%emt 0:00:17]} Nf5 {[%emt 0:00:12]} 60. Nb6+ {[%emt 0:00:16]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.1"]
[White "Gareyev, Timur"]
[Black "Azarov, Sergei"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2591"]
[BlackElo "2586"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,-3,21,-14,19,-16,-1,-15,-16,-20,-6,-18,-6,-18,-17,-13,-12,-3,-4,-57,-49,-97,-64,-69,-31,-30,-36,-32,-39,-91,-34,-32,-23,-18,-16,-24,-35,-31,-14,-72,-75,-70,-81,-70,-68,-70,-68,-80,-80,-80,-80,-85,-86,-121,-118,-108,-77,-83,-72,-79,-79,-72,-72,-72,-72,-85,-23,-23,-23,-23,-23,-27,-22,-22,-20,-26,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 b5 6. e4 {E20: Nimzo-Indian: 4 g3 and 4 f3} d6 7. Nge2 $146 (7. Bd2 exd5 8. cxd5 a6 9. a3 Ba5 10. a4 b4 11. Nb1 O-O 12. Bg5 Nbd7 13. Nd2 b3 14. Qxb3 {0-1 (23) Mamedyarov,S (2764)-Rapport,R (2747) Saint Louis 2019}) 7... bxc4 {White should prevent ...exd5.} 8. a3 Ba5 9. Nf4 $1 e5 10. Nfe2 $1 Nbd7 $36 {[%mdl 2048] Black has good play.} 11. Ng3 Nb6 12. Be2 Ng8 13. O-O Ne7 14. Nh5 (14. Na4 $11) 14... O-O $1 $15 15. Qe1 Ng6 16. Qg3 f5 {...Bxc3 is the strong threat.} 17. Bg5 Qe8 {[#] Hoping for ...f4.} 18. f4 $1 Bd7 19. a4 (19. fxe5 $15 Qxe5 20. Qxe5 Nxe5 21. Be7 {[%mdl 64] Double Attack}) 19... a6 ({Not} 19... Nxa4 $2 20. Nxa4 Bd2 21. Nc3 $18 (21. Bxc4 Bxa4 22. fxe5 {[%mdl 64] Discovered Attack} Bxg5 $16)) (19... Bxc3 $17 20. bxc3 fxe4) 20. fxe5 Qxe5 21. Nf4 Rae8 22. Bh5 $1 fxe4 23. Nxg6 hxg6 24. Bxg6 (24. Rxf8+ $11 Rxf8 25. Qxe5 dxe5 26. Be2) 24... Qxg3 $17 25. hxg3 Bxc3 26. bxc3 Nxd5 27. Bxe8 Rxe8 28. Rfd1 Bc6 29. Bf4 Re6 30. Rxd5 Bxd5 {[%mdl 4096] Endgame KRB-KRB} 31. Rd1 {[#]} e3 $1 32. Re1 e2 33. Kf2 Rf6 {Strongly threatening ...g5.} 34. Kxe2 Be4 35. Kd2 d5 36. Be3 Rg6 37. Bf2 Rb6 (37... Rc6 $17 38. g4 Rc8) 38. Bxc5 $11 Rb2+ 39. Ke3 Rxg2 40. Bd6 Kf7 41. Re2 Rg1 42. Rb2 Rd1 {Threatens to win with ...Rd3+.} 43. Be5 {Accuracy: White = 70%, Black = 67%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.2"]
[White "Eljanov, Pavel"]
[Black "Chanda, Sandipan"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2663"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,42,40,12,21,17,17,18,27,16,14,16,42,32,26,22,38,16,31,25,54,0,54,69,64,66,68,0,19,-16,0,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,583,122,119,110,339,37,339,339,339,339,339,158,973,909,1127,5314,29992,29993,29993,29994,29999]} 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 g6 5. Nf3 Bg7 6. O-O O-O 7. Nc3 d5 8. Bg5 c6 9. Qc1 $146 {A87: Dutch Defence: Leningrad System: 5 Nf3} ({Predecessor:} 9. e3 Nbd7 10. Rc1 Qe8 11. Bf4 Ne4 12. Be5 Nxe5 13. Nxe5 Nxc3 14. Rxc3 Bxe5 15. dxe5 b6 16. cxd5 cxd5 {1-0 (49) Debashis,D (2501)-Sandipan,C (2579) Caleta 2018}) 9... Nbd7 10. Rd1 Qe8 11. Bf4 {The position is equal.} Ne4 12. Bh6 (12. h4 {is interesting.} Qe7 13. Ne5 Nxe5 14. dxe5 b6 15. cxd5 cxd5 16. Nb5) 12... Bxh6 13. Qxh6 Nxc3 14. bxc3 Nb6 15. cxd5 cxd5 16. Ne5 Bd7 17. h4 Ba4 18. Rd3 ({Better is} 18. Rdc1 $1 $14) 18... Nd7 (18... Bb5 $11) 19. Re3 $14 Nxe5 20. Rxe5 {Hoping for Bxd5!} Qf7 21. h5 (21. c4 $5 dxc4 22. Rc1 $11) 21... Rac8 22. Re3 Rc6 23. Rc1 b5 24. Re5 Qf6 25. g4 Rf7 ({Much weaker is} 25... fxg4 $6 26. hxg6 hxg6 27. e4 $16) 26. hxg6 hxg6 27. g5 Qg7 28. Qh3 Qf8 29. Qe3 $36 {[%mdl 2048] White has some pressure.} Qa3 30. Qf4 Qxa2 $2 {[%mdl 8192] [#]} (30... Re7 $11) 31. Re3 $2 (31. Bxd5 $1 $18 {[%mdl 512]} exd5 32. Re8+ Rf8 33. Qe5) 31... Qa3 $16 32. Rh3 {[%mdl 1024] Strongly threatening Qe5! White has strong compensation.} Qe7 $2 (32... Qd6 $16 {might work better.} 33. Qh4 Rg7) 33. Rh6 $2 (33. Qh2 $1 $18 {Rh8+ would kill now.} Rg7 34. Rh8+ Kf7 35. Qb8) 33... Rg7 $2 {[%mdl 8192]} (33... Qd6 $1 $14 34. Rxg6+ Rg7 35. Rxg7+ Kxg7) 34. Qb8+ $18 Kf7 35. Rh8 b4 {[#]} 36. c4 (36. f4 $1 $18 {and the rest is easy. c4 is the strong threat.} Rxc3 37. Rxc3 bxc3 38. Rc8) 36... Rb6 $2 {[#]} ({Wrong is} 36... Rxc4 $2 37. Rxc4 dxc4 38. d5 $18) (36... b3 $16) 37. Qe5 $1 b3 38. cxd5 {Intending Rc7! and mate.} b2 {[#]} 39. Rc7 $1 {[%csl Gg5][%cal Re5f6][%mdl 512] White mates.} b1=Q+ 40. Kh2 {[%csl Gg5][%cal Re5f6]} Qbb4 41. Qf6# {[%mdl 64] Pin. Accuracy: White = 47%, Black = 47%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.3"]
[White "Krzyzanowski, Marcin"]
[Black "Demchenko, Anton"]
[Result "0-1"]
[ECO "B62"]
[WhiteElo "2500"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,60,31,21,39,57,39,29,40,38,41,0,22,0,0,-31,-35,-23,2,-36,-21,-52,-8,-70,-70,-77,-74,-262,-260,-567,-552,-518,-547,-670,-564,-545,-542,-510,-500,-2272,-2259,-29984,-29985,-29985,-2483,-29994,-29995,-29995,-29988,-29996,-29997]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd3 Bd7 {B62: Sicilian: Richter-Rauzer: 6...e6: Unusual White 7th moves} (7... a6 8. Nxc6 bxc6 9. O-O-O Qa5 10. Qg3 Rb8 11. Bc4 h6 12. Be3 Nd7 13. Bb3 c5 14. Bf4 e5 15. Bd2 Qc7 {1-0 (23) Paravyan,D (2627)-Stocek,J (2592) Prague 2019}) 8. O-O-O a6 9. Kb1 b5 {White has an edge.} 10. f4 Be7 11. Nce2 $146 ({Predecessor:} 11. Nb3 h6 12. Bxf6 gxf6 13. Qg3 Qb6 14. a3 Rb8 15. f5 Ne5 16. Be2 a5 17. fxe6 fxe6 {1-0 (32) Liu,G (2452)-Zou,C (2328) Qinhuangdao 2017}) 11... Rc8 12. Nxc6 Bxc6 13. Ng3 (13. Bxf6 $5 Bxf6 14. g4 $11) 13... O-O 14. Be2 Re8 15. Bf3 b4 16. Rd2 Qb6 17. Rhd1 (17. f5 $1 $11) 17... h6 $15 18. Bxf6 Bxf6 19. Nh5 $2 {[#]} (19. Qe2 $17 {is a better defense.}) 19... Bc3 $1 $19 {[%mdl 512]} 20. Re2 $2 (20. Qe2 {is a better chance.} Bxd2 21. Qxd2) (20. bxc3 bxc3+) 20... Qa5 {Played: Bc6-b5} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.4"]
[White "Peralta, Fernando"]
[Black "Engel, Luis"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2569"]
[BlackElo "2507"]
[Annotator "ChessBase"]
[PlyCount "57"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 5. Qa4+ {[%emt 0:00:22]} Nc6 {[%emt 0:00:00]} 6. e3 {[%emt 0:00:05]} O-O {[%emt 0:00:32]} 7. Bd2 {[%emt 0:00:06]} dxc4 {[%emt 0:02:21]} 8. Bxc4 {[%emt 0:00:08]} Bd6 {[%emt 0:00:18]} 9. Qc2 {[%emt 0:00:36]} a6 {[%emt 0:01:37]} 10. Ne4 {[%emt 0:01:35]} h6 {[%emt 0:10:56]} 11. O-O {[%emt 0:02:39]} e5 {[%emt 0:02:54]} 12. dxe5 {[%emt 0:10:40]} Nxe5 {[%emt 0:00:22]} 13. Nxd6 {[%emt 0:00:15]} Nxf3+ {[%emt 0:01:09]} 14. gxf3 {[%emt 0:00:05]} Qxd6 {[%emt 0:01:08]} 15. Kh1 {[%emt 0:01:36]} Qc6 {[%emt 0:05:42]} 16. e4 {[%emt 0:01:23]} Be6 {[%emt 0:02:50]} 17. Rac1 {[%emt 0:12:00]} Rfd8 {[%emt 0:06:37]} 18. Be3 {[%emt 0:01:30]} Qxc4 {[%emt 0:02:01]} 19. Qxc4 {[%emt 0:00:06]} Bxc4 {[%emt 0:00:05]} 20. Rxc4 {[%emt 0:00:04]} Rd7 {[%emt 0:01:05]} 21. Rg1 {[%emt 0:01:59]} Kh7 {[%emt 0:02:15]} 22. Rgc1 {[%emt 0:01:29]} Ne8 {[%emt 0:01:47]} 23. Kg2 {[%emt 0:10:00]} Rad8 {[%emt 0:02:51]} 24. Bf4 {[%emt 0:00:50]} c6 {[%emt 0:02:57]} 25. Rb4 {[%emt 0:00:18]} g5 {[%emt 0:02:13]} 26. Be3 {[%emt 0:02:24]} Ng7 {[%emt 0:01:06]} 27. f4 {[%emt 0:04:38]} gxf4 {[%emt 0:01:43]} 28. Bxf4 {[%emt 0:00:07]} f5 {[%emt 0:02:12]} 29. Rc3 {[%emt 0:08:37]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.5"]
[White "Korneev, Oleg"]
[Black "Idani, Pouya"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2504"]
[BlackElo "2568"]
[Annotator "ChessBase"]
[PlyCount "27"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 4. Bg2 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 6. d4 {[%emt 0:00:00]} dxc4 {[%emt 0:00:10]} 7. Qc2 {[%emt 0:00:00]} a6 {[%emt 0:00:05]} 8. Qxc4 {[%emt 0:01:23]} b5 {[%emt 0:00:06]} 9. Qc2 {[%emt 0:00:03]} Bb7 {[%emt 0:00:05]} 10. Bd2 {[%emt 0:08:19]} Be4 {[%emt 0:00:11]} 11. Qc1 {[%emt 0:00:03]} Bb7 {[%emt 0:00:46]} 12. Qc2 {[%emt 0:00:04]} Be4 {[%emt 0:00:06]} 13. Qc1 {[%emt 0:00:03]} Bb7 {[%emt 0:00:07]} 14. Qc2 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.6"]
[White "Bernadskiy, Vitaliy"]
[Black "Womacka, Mathias"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2554"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,24,21,17,28,23,17,1,0,-7,-20,-21,27,29,115,112,108,123,135,124,102,95,224,233,349,341,338,341,350,342,358,346,452,452,670,670,670,670,643,631,593,595,577,575]} 1. d4 Nf6 2. g3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Bf4 Qe7 11. Re1 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} a6 (11... Nh5 12. Bg5 f6 13. Bd2 f5 14. Bg5 Ndf6 15. e4 fxe4 16. Nxe4 Qc7 17. Bxf6 Nxf6 18. Neg5 Qb6 {½-½ (29) Vallejo Pons,F (2711)-Ponomariov,R (2709) Tallinn 2016}) 12. e4 Ng4 13. Bg5 {The position is equal.} Qe8 14. e5 Ndxe5 15. Ne4 $146 ({Predecessor:} 15. Nxe5 Nxe5 16. f4 Ng4 17. Rxe8 Rxe8 {0-1 (37) Ligterink,G (2455)-Nunn,J (2590) Marbella 1982}) 15... Qd7 (15... f6 $5 {[%cal Rf6g5]} 16. Bd2 (16. Nxd6 Qd8 $15) 16... Qd8 17. Nxe5 Nxe5 $17) 16. Nxe5 Bxe5 (16... Nxe5 $11 17. Nf6+ Bxf6 18. Bxf6 Ng4) 17. h3 $36 {[%mdl 2048] Keeping Black busy.} f6 18. Bc1 f5 19. Nxc5 $1 dxc5 20. hxg4 Bd4 (20... Bd6 $16) 21. Bh6 $18 fxg4 (21... Rf6 $142 22. Qb3 Qf7) 22. Bxf8 Kxf8 23. Qd2 Qf7 24. Re2 Bd7 25. Rae1 {And now d6 would win.} Qf6 {[#] intending ...Kg8.} 26. d6 $1 {[%mdl 512] Black must now prevent Re7.White is clearly winning.} Qxd6 (26... Re8 $142 27. Qh6+ Qg7 28. Rxe8+ Bxe8 29. Qxg7+ Bxg7) 27. Qh6+ {[%mdl 64] Double Attack} Bg7 28. Qxh7 Re8 29. Rxe8+ {[%mdl 64] Overworked Piece} Bxe8 {[#]} 30. Rxe8+ $1 {[%mdl 512]} Kxe8 31. Qxg7 {Accuracy: White = 89%, Black = 44%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.7"]
[White "Kamsky, Gata"]
[Black "Zajogin, Alexander"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2685"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,16,28,26,38,15,11,11,11,13,23,11,13,11,27,20,23,17,24,6,27,20,28,17,38,0,10,10,10,12,14,12,270,287,255,276,243,1,17,0,70,70,53,0,0,0,0,0,2,-12,29,0,22,0,5,8,10,0,0,0,35,0,0,0,-8,-19,92,0,0,0,8,0,8,8,40,30,30,30,24,36,683,666,944,944,1166,1114,2153,2088,1681,1922,2030,2031,1866,1822,1914,1802,12842,6119,29982,-29982]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 cxd4 5. exd4 b6 (5... Be7 6. Nbd2 O-O 7. Bd3 b6 8. O-O Ba6 9. Bxa6 Nxa6 10. Re1 d6 11. h3 Qd7 12. a4 Nc7 13. Bh2 {1-0 (100) Aronian,L (2767)-Giri,A (2782) chess.com INT 2018}) 6. a4 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} Ba6 7. Bxa6 $146 (7. Bb5 {keeps more tension.} Bb7 8. h3 Be7 9. c3 Na6 10. Bc4) ({Predecessor:} 7. Bb5 Qc8 8. c3 Be7 9. Qe2 Bb7 10. h3 O-O 11. Nbd2 d6 12. O-O Nbd7 13. Rfe1 {½-½ (31) Kovacevic,S (2383)-Adan Bermudez,S (2263) Villa de Aranjuez 2009}) 7... Nxa6 8. O-O {The position is equal.} Be7 9. Ne5 Qc8 10. Nd2 O-O 11. c3 Qb7 12. Qe2 Nc7 13. Bg5 Ncd5 14. f4 h6 15. Bxf6 Nxf6 16. Rae1 g6 17. Rf3 d6 18. Nxg6 {[%mdl 64] [#] Deflection} fxg6 19. Qxe6+ Rf7 20. Rg3 $1 {[%cal Rg3g6]} g5 $2 {[%mdl 8192]} (20... Bf8 $11 {and Black stays safe.} 21. Rxg6+ {[%mdl 64] Double Attack} Bg7) 21. fxg5 $18 hxg5 22. Rxg5+ Kf8 23. Nf3 $2 ({White should try} 23. Qh3 $18 {Threatening mate with Qh8+.} Rh7 24. Qg3) 23... Qd7 $11 24. Qe3 {Threatens to win with Rg6.} Ng8 (24... Ng4 $11 25. Qe4 Bxg5 26. Qxa8+ Qd8) 25. Rg6 $14 {Black must now prevent Ng5.} Qf5 26. Re6 (26. Rg3 $14) 26... Kg7 $11 27. Qe4 (27. h3 {feels hotter.} Raf8 28. Kh1 Kh8 29. Qe4 Qh5 30. Qg6) 27... Qxe4 28. R1xe4 Rd8 29. Kf2 Bf6 30. Rg4+ Kh7 (30... Kf8 {seems wilder.} 31. Rg6 Rdd7 32. h3 d5 33. Kg1 Bg7) 31. Ke2 (31. h3 {looks sharper.} Be7 32. Ke2 Re8 33. Kd3 Nf6 34. Rg5) 31... Re7 32. Rxe7+ Nxe7 33. Kd3 d5 34. b3 Nf5 35. Rf4 {[%mdl 1024] White has compensation.} Kg6 36. g4 Nd6 37. h4 Bg7 (37... Re8 $11 38. g5 Bg7) 38. c4 (38. Ne5+ $16 Kh7 39. Nf7) 38... dxc4+ 39. bxc4 Rc8 40. Ne5+ Bxe5 41. dxe5 {[%mdl 4096] Endgame KRN-KR} Nb7 42. Rf6+ Kg7 43. h5 {h6+ is the strong threat.} Nc5+ 44. Kd4 Nxa4 $2 {[%mdl 8192] [#]} (44... Nb3+ $14 45. Kd5 Rc5+ 46. Ke6 Nd2) 45. h6+ $1 $18 Kh7 46. e6 Nc5 47. g5 Rg8 48. e7 {Rf7+ would kill now.} Re8 49. Rf7+ Kg6 50. Rg7+ Kf5 51. Kd5 Ne4 52. Kc6 Rh8 53. h7 Nxg5 54. Rf7+ $4 {[%mdl 40960] Accuracy: White = 44%, Black = 29%. . Loss on time!?} (54. Rg8 {is the narrow road to win.} Nxh7 55. Rxh8 Nf6 56. e8=Q Nxe8 57. Rxe8 Kf6 58. Kb7 Kf7 59. Re3) 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.8"]
[White "Sethuraman, S.P."]
[Black "Morawietz, Dieter"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2624"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "21"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,21,20,97,93,125,128,140,140,251,238,255,239,269,277]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Be7 (5... Nf6 $11) (5... Qc7 6. Be3 a6 7. Qf3 Ne5 8. Qg3 h5 9. Bg5 f6 10. Bf4 Ne7 11. O-O-O Kf7 12. Bxe5 Qxe5 13. f4 h4 14. Qe3 Qc7 {1-0 (35) Ding,L (2811)-Shankland,S (2705) chess.com INT 2019}) 6. Ndb5 $16 {B45: Sicilian Four Knights} d6 {[#]} 7. Bf4 $1 Ne5 8. Qd4 a6 (8... Nf6 $16 {keeps fighting.}) 9. O-O-O $146 ({Predecessor:} 9. Nxd6+ Bxd6 10. Bxe5 Bxe5 11. Qxe5 Nf6 12. Rd1 Qb6 13. Qd4 Qxd4 14. Rxd4 {½-½ (43) Van Eijk,S (2274)-Pogorelov,R (2453) Banyoles 2007}) 9... Nf6 10. Bxe5 {[%cal Rb5d6]} ({But not} 10. Nxd6+ Qxd6 11. Qxd6 Bxd6 $18) 10... dxe5 11. Qxe5 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.9"]
[White "Badelka, Olga"]
[Black "Santos Latasa, Jaime"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2413"]
[BlackElo "2580"]
[Annotator "RC"]
[PlyCount "90"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. g3 {[%emt 0:05:27]} Bg7 {[%emt 0:00:25]} 4. Bg2 {[%emt 0:00:03]} O-O {[%emt 0:00:08]} 5. e4 {[%emt 0:00:13]} d6 {[%emt 0:00:04]} 6. Nge2 {[%emt 0:00:50]} c5 {[%emt 0:00:10]} 7. O-O {[%emt 0:00:45]} Nc6 {[%emt 0:00:41]} 8. d3 {[%emt 0:00:28]} Bg4 {[%emt 0:00:09]} 9. h3 {[%emt 0:01:21]} Bxe2 {[%emt 0:00:33]} 10. Nxe2 {[%emt 0:00:46]} Nd7 {[%emt 0:00:43]} 11. Rb1 {[%emt 0:02:17]} Rb8 {[%emt 0:02:13]} 12. Be3 {[%emt 0:14:36]} Qc7 {[%emt 0:01:59]} 13. a3 {[%emt 0:09:04]} b5 {[%emt 0:04:00]} 14. cxb5 {[%emt 0:00:05]} Rxb5 {[%emt 0:00:13]} 15. Nc3 {[%emt 0:00:39]} Rbb8 {[%emt 0:03:29]} 16. Nd5 {[%emt 0:00:49]} Qd8 {[%emt 0:03:09]} 17. Qa4 {[%emt 0:10:55]} Rc8 {[%emt 0:01:36]} 18. b4 {[%emt 0:02:58]} e6 {[%emt 0:01:04]} 19. Nf4 {[%emt 0:00:15]} a5 {[%emt 0:07:32]} 20. bxc5 {[%emt 0:08:02]} dxc5 {[%emt 0:10:43]} 21. Ne2 {[%emt 0:01:35]} Qc7 {[%emt 0:07:13]} 22. f4 {[%emt 0:06:08]} Qd6 {[%emt 0:00:41]} 23. Rbd1 {[%emt 0:06:21]} Nd4 {[%emt 0:00:46]} 24. Bxd4 {[%emt 0:08:42]} Bxd4+ {[%emt 0:00:47]} 25. Kh2 {[%emt 0:12:29]} e5 {[%emt 0:06:31]} 26. Nxd4 {[%emt 0:00:05]} Qxd4 {[%emt 0:01:07]} 27. Qc2 {[%emt 0:00:42]} Rb8 {[%emt 0:00:36]} 28. Rd2 {[%emt 0:02:00]} a4 {[%emt 0:01:10]} 29. fxe5 {[%emt 0:00:43]} Nxe5 {[%emt 0:00:38]} 30. Rc1 {[%emt 0:02:56]} Rfc8 {[%emt 0:01:22]} 31. Qc3 {[%emt 0:00:03]} Qxc3 {[%emt 0:00:30]} 32. Rxc3 Rb3 {[%emt 0:00:05]} 33. Rdc2 {[%emt 0:01:05]} Nxd3 {[%emt 0:00:11]} 34. Bf1 {[%emt 0:00:49]} Ne5 {[%emt 0:00:08]} 35. Kg2 {[%emt 0:03:29]} Kf8 {[%emt 0:02:28]} 36. Ba6 {[%emt 0:00:17]} Rc6 {[%emt 0:03:51]} 37. Bc4 {[%emt 0:00:45]} Rxc3 {[%emt 0:03:09]} 38. Rxc3 {[%emt 0:00:02]} Rb6 39. Kf2 Ke7 {[%emt 0:00:53]} 40. Ke3 {[%emt 0:01:38]} Kd6 {[%emt 0:00:41]} 41. Bd5 {[%emt 0:04:52]} Rb2 {[%emt 0:00:57]} 42. Kf4 h6 43. h4 {[%emt 0:01:28]} Rf2+ {[%emt 0:01:17]} 44. Ke3 {[%emt 0:00:04]} Rg2 {[%emt 0:00:14]} 45. Kf4 {[%emt 0:00:29]} f6 {[%emt 0:00:05]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.10"]
[White "Padmini, Rout"]
[Black "Nasuta, Grzegorz"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2394"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,112,9,10,15,12,8,16,16,14,14,10,37,36,38,45,36,37,38,45,100,81,96,89,102,85,111,128,108,57,94,10,9,22,110,43,56,32,41,-111,-111,-98,-107,-99,-107,-110,-100,-108,-96,-101,-105,-112,-112,-83,-108,-107,-106,-103,-70,-87,-92,-116,-109,-254,-247,-241,-174,-217,-246,-251,-259,-259,-256,-233,-227,-277,-246,-272,-268,-231,-83,-83,-8,-1239,-1211,-1078,-1194,-1187,-879,-6617,-9846,-5708,-5604,-29974,-29974,-29974,-29973,-29982,-29983,-29985,-29986]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O e6 5. c4 d4 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 {A13: English Opening: 1...e6} 9. Bg5 h6 10. Bxf6 $1 Qxf6 {The position is equal.} 11. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} Qe7 12. Nb3 Qf6 $146 ({Predecessor:} 12... O-O 13. Re1 Qf6 14. Nfd2 Bd7 15. a3 Rfd8 16. Ne4 {0-1 (40) Gordievsky,D (2630)-Mareco,S (2635) Hanoi 2018}) 13. Nfd2 Bc7 14. Nc5 O-O 15. Qa4 e5 16. b4 Qg6 ({Black should play} 16... Rb8 $14) 17. Ndb3 $16 a5 18. b5 $36 {[%mdl 2048] White is in control.} Nd8 19. Na6 Ne6 20. Nxc7 Nxc7 21. Nc5 ({White should try} 21. Rae1 $16) 21... Ra7 22. Qb3 (22. Qc2 $16) 22... b6 $11 23. Na4 Ne6 (23... Bb7 $1 $11) 24. c5 (24. Rae1 $16) 24... bxc5 25. b6 Re7 26. b7 $2 (26. Rae1 $14 {stays ahead.}) 26... Bxb7 $1 $17 27. Bxb7 {And now Be4 would win.} Rb8 28. Be4 Rxb3 29. Bxg6 Ra3 30. Be4 {Black must now prevent Nb2.} Rxa4 31. a3 {Hoping for Bc6.} c4 $1 32. Bc6 Nc5 33. Bxa4 Nxa4 34. dxc4 {[%mdl 4096] Endgame KRR-KRN} Nc3 35. Rfe1 e4 {[%mdl 1024] Black has strong compensation.} 36. Rac1 Rc7 37. Kg2 f5 38. f3 (38. Rc2 $17) 38... Kf7 $1 $19 ({Resist} 38... Rxc4 39. fxe4 d3 40. Rxc3 $17) 39. g4 g6 ({But not} 39... Rxc4 40. fxe4 d3 41. Rxc3 (41. Rf1 d2 $17)) 40. gxf5 gxf5 41. fxe4 fxe4 42. Re3 dxe3 43. Rxc3 {[#] KR-KR} Kf6 $1 44. Kf1 Ke5 45. Rxe3 Rxc4 46. Rh3 a4 (46... Rc1+ $19 {and Black stays clearly on top.} 47. Ke2 Rc2+ 48. Ke1 Ra2 49. Rxh6 a4) 47. Rxh6 $17 {[#]} Rc3 (47... Kf4 $1 $17 {Threatens to win with ...Rc3.} 48. Rf6+ Kg4 49. h3+ Kg3) 48. Ke2 $2 {[%mdl 8192]} (48. h4 $11) 48... Rxa3 $19 49. Ra6 Kf4 50. Rf6+ Kg5 51. Rc6 Ra1 52. Ke3 a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 53. h4+ Kf5 {Black mates.} 54. Rc5+ Ke6 55. Rc2 a2 56. Re2 Ke5 {Accuracy: White = 45%, Black = 67%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.11"]
[White "Lavrinenkov, Vadim"]
[Black "Marin, Mihail"]
[Result "1/2-1/2"]
[ECO "A92"]
[WhiteElo "2306"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,69,44,20,10,5,16,18,12,0,0,0,0,-2,1,-22,-13,-14,-12,-24,-9,-18,-4,-19,0,0,0,0,12,0,0,-16,-36,-64,-46,-45,-39,-58,-50,-24,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O Ne4 7. Nfd2 d5 {A92: Classical Dutch: Classical Stonewall (with ...Be7): Early deviations} 8. e3 (8. Nc3 c6 9. f3 Nxd2 10. Qxd2 dxc4 11. Rd1 b5 12. e4 Nd7 13. Qe2 Nb6 14. a3 a5 15. f4 {0-1 (38) Janik,I (2447)-Van Foreest,J (2624) Manavgat 2018}) 8... c6 9. b3 Nd7 10. Ba3 $146 ({Predecessor:} 10. Bb2 Ndf6 11. Nc3 Bd6 12. Ndxe4 fxe4 13. f3 exf3 14. Bxf3 Qe7 15. e4 dxe4 16. Nxe4 Nxe4 17. Bxe4 Rxf1+ 18. Qxf1 {1-0 (39) Maloberti,D (2115)-Westin,A (2094) IECC email 2001}) 10... b6 11. Bxe7 Qxe7 12. Qc2 Bb7 13. Nf3 Rac8 14. Nbd2 c5 15. Qb2 g5 16. Rac1 Qg7 17. Rfd1 g4 18. Ne1 cxd4 19. exd4 f4 20. Nd3 {Strongly threatening Nxe4.} fxg3 21. fxg3 Ng5 $1 22. Rf1 Nf6 23. Nf4 $1 dxc4 24. Nxc4 Bxg2 25. Qxg2 Nd5 (25... Rcd8 {feels hotter.} 26. Kh1 Rxd4 27. Ne5 Rfd8 28. Nc6 Rd2) 26. Nxe6 $1 {The position is equal.} Nxe6 27. Qxd5 Qxd4+ 28. Qxd4 Nxd4 29. Rxf8+ Rxf8 $11 {[%mdl 4096] Endgame KRN-KRN} 30. Rd1 Nf3+ 31. Kg2 Re8 {...Re2+ is the strong threat.} 32. Kf2 Rf8 33. Kg2 Re8 {Hoping for ...Re2+.} 34. Kf2 Rf8 35. Kg2 {Accuracy: White = 69%, Black = 65%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.12"]
[White "Prusikin, Michael"]
[Black "Atakisi, Umut"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2521"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,58,41,33,34,30,29,42,43,61,17,10,15,34,17,17,17,17,17,17,25,19,14,19,20,20,22,23,27,29,18,78,81,173,133,131,153,122,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} Ne5 8. Qg3 h5 9. Bf4 {White is slightly better.} (9. Bg5 f6 10. Bf4 Ne7 11. O-O-O Kf7 12. Bxe5 Qxe5 13. f4 h4 14. Qe3 Qc7 {1-0 (35) Ding,L (2811)-Shankland,S (2705) chess.com INT 2019}) 9... d6 10. h4 Nf6 11. O-O-O b5 {Black wants to play ...b4.} 12. Bxb5+ axb5 13. Ndxb5 Qb8 {[#]} 14. Nxd6+ $146 {[%mdl 512]} ({Predecessor:} 14. Rxd6 Bxd6 15. Nxd6+ Kf8 16. Bxe5 Ng4 17. Nxf7 Nxe5 18. Nxe5 Rh6 19. Rd1 {1-0 (19) De Boer,E (2317)-De Boer,B (2139) Dieren 2018}) 14... Bxd6 {[#]} 15. Rxd6 $1 {[%mdl 576] Remove Defender} Qxd6 16. Bxe5 Qc5 $1 (16... Qf8 $6 17. Bd6 $18) 17. b4 Qxb4 (17... Qf8 $2 18. Bd6 $18) 18. Qxg7 {[%mdl 64] Double Attack} Rg8 19. Qxf6 Ra7 20. Kd2 Rd7+ {[#]} (20... Rxg2 $11 21. Rb1 Rd7+ 22. Ke3 Qc5+ 23. Bd4 Qxd4+ 24. Qxd4 Rxd4 25. Kxd4 Rxf2) 21. Ke3 $1 $16 Qb2 (21... Qf8 $16) 22. Rb1 Qxc2 {( -> ...Rd3+)} 23. Bd4 Rc7 {White must now prevent ...Rxc3+!} 24. Nb5 (24. Rb8 $16) 24... Rc6 {The position is equal.} 25. Rb2 Qc1+ 26. Rd2 {And now Bc3 would win.} Qe1+ $1 ({Much weaker is} 26... Rc2 $6 27. Nd6+ Kd7 28. Qxf7+ Kc6 29. Nc4 $16) 27. Re2 Qc1+ 28. Rd2 {aiming for Bc3.} Qe1+ $1 ({Don't play} 28... Rc2 $6 29. Nd6+ Kd7 {[#]} 30. Nc4 $1 $16 {[%mdl 512]} (30. Qxf7+ Kc6 $16)) 29. Re2 Qc1+ {Accuracy: White = 76%, Black = 76%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.13"]
[White "Ludvik, Tomas"]
[Black "Gukesh D"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2305"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,62,-14,12,0,0,0,6,6,37,2,14,18,8,0,13,-26,-28,-13,-14,-62,-47,-84,-71,-77,0,-29,-15,-102,-108,-102,-101,-116,-103,-161,-160,-749,-735,-873,-861,-792,-641,-2090,-926]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. a3 a5 12. Ng5 $146 {[%cal Rd3h7] D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} (12. e4 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. h3 Ba6 16. Rd1 Qe7 17. Be3 b4 18. Na4 Bxd3 19. Rxd3 Nxe4 20. Qxc6 {½-½ (33) Antoniewski,R (2521)-Navara,D (2727) Poland 2018}) 12... h6 13. Nge4 Be7 14. Rd1 {The position is equal.} Qb6 15. Rb1 Nd5 16. Ng3 N5f6 17. Qe2 Rfe8 18. f4 b4 19. Na4 $1 {[%cal Ra4b6]} Qa7 20. e4 c5 ({Don't blunder} 20... Qxd4+ $2 21. Be3 $18) 21. e5 Nd5 22. f5 {[#]} Nxe5 ({Black should play} 22... Bf8 $1 $17 23. Nxc5 (23. fxe6 $2 Rxe6 24. Nxc5 Nxc5 $19) 23... Bxc5 24. dxc5 Nxc5) 23. fxe6 (23. Bb5 {seems wilder.} cxd4 24. Qxe5 Bf6 25. Qe1 Ba6 26. Bxe8 Rxe8 27. Nh5) 23... Nxd3 24. Rxd3 (24. exf7+ $11 {remains equal.} Kxf7 25. Qxd3) 24... Bf6 $36 {[%mdl 2048] Keeping White busy.} 25. Nxc5 {Black must now prevent exf7+.} Ba6 26. Nxa6 {And now Nc5 would win.} Rxe6 {[%mdl 64] Double Attack} 27. Qd1 (27. Qf1 $17 {is a better defense.} Qxa6 28. Bd2) 27... Qxa6 $19 28. Qf3 $2 (28. Rf3 $17) 28... Re1+ {Black is clearly winning.} 29. Kf2 Rae8 30. Rd1 {[#]} bxa3 {Played: Qa6-c4} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.14"]
[White "Asadli, Vugar"]
[Black "Schuster, Karsten"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2513"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,69,14,36,33,22,25,28,27,22,7,9,7,10,6,7,8,28,25,28,12,33,0,0,-10,-9,-7,0,0,16,2,37,40,83,64,63,35,35,43,60,49,37,44,82,70,210,191,351,274,460,435,466,450,1535,1512,2020,2055,4379,3295]} 1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. c4 Bg4 5. Ne5 Be6 6. cxd5 Bxd5 7. Nf3 c5 8. Nc3 {A11: English Opening: 1...c6} Bc6 9. O-O e6 10. d3 {White has an edge.} Be7 11. e4 O-O 12. Qe2 b5 13. b3 $146 ({Predecessor:} 13. a4 b4 14. Nb1 Bb7 15. Nbd2 Nc6 {0-1 (59) Harikrishna,P (2705)-Quesada Perez,Y (2608) Havana 2013}) 13... a6 14. Rd1 Qa5 15. Bb2 Rd8 16. Rac1 Qb6 17. Rc2 Bb7 18. a3 Nc6 19. e5 Nd5 20. Ne4 Rac8 21. Rdc1 Na5 22. Nfd2 Rc7 23. h4 h6 24. Kh2 b4 25. a4 Rcd7 26. Nc4 ({Much worse is} 26. Nxc5 Bxc5 27. Rxc5 Nc3 $15) 26... Nxc4 27. Rxc4 a5 {...Ba6 would now be nice for Black.} 28. Qg4 ({Weaker is} 28. Nxc5 Bxc5 29. Rxc5 Nc3 $19) 28... Kf8 {[#]} (28... Kh8 $14) 29. d4 $1 $18 (29. Nxc5 $2 Bxc5 30. Rxc5 Nc3 $17) 29... Nc3 $2 (29... cxd4 {is a better defense.} 30. Bxd4 Qa6) 30. Nxc5 Bxc5 $2 (30... Nd5 31. Nxd7+ Rxd7) 31. dxc5 {White is clearly winning.} Qa7 32. c6 {[%mdl 64] Double Attack} Rd2 (32... Bxc6 $142 33. Rxc6 Rd2) 33. Bxc3 bxc3 34. cxb7 Rxf2 35. Qe4 {Accuracy: White = 65%, Black = 41%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.15"]
[White "Vetoshko, Volodymyr"]
[Black "Meins, Gerlef"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2506"]
[BlackElo "2415"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,55,2,0,14,11,21,24,63,56,75,59,78,0,0,0,0,0,0,0,0,-20,-15,-17,-15,-13,-12,-162,-168,-153,-142,-348,-354,-421,-429,-418,-409,-372,-116,-118]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 b6 9. b3 Nbd7 10. Rd1 Bb7 {E11: Bogo-Indian} 11. Nc3 Rc8 (11... Ba6 12. e4 dxc4 13. Bf4 b5 14. bxc4 bxc4 15. h3 Qa5 16. Bd2 Qc7 17. Re1 Rfe8 18. Rac1 {½-½ (69) Cheparinov,I (2667)-Gelfand,B (2676) Hengshui 2019}) 12. e4 c5 {[%cal Rd5e4] White has an edge.} 13. exd5 $1 exd5 {[#]} 14. Be3 $1 Re8 15. dxc5 $146 (15. Ne5 $16) ({Predecessor:} 15. Ne5 Nf8 16. dxc5 Bxc5 17. Bxc5 Rxc5 18. Nd3 Rc7 19. Nf4 d4 20. Nb5 Bxg2 21. Rxd4 Be4 22. Rxd8 Bxc2 23. Rxe8 Nxe8 {1-0 (55) Munoz,L (2434)-Lacayo,R (2228) Batumi 2018}) 15... Bxc5 $11 16. Bxc5 Rxc5 17. Nh4 Qc7 18. Na4 Ra5 $36 {[%mdl 2048] Black has some pressure.} 19. Nf5 g6 20. Ne3 dxc4 21. Qxc4 Qb8 22. Bxb7 (22. Qf4 $11 {and White is okay.}) 22... Qxb7 $19 23. Qf4 Re6 24. Nc4 $2 (24. Rd6 $17 {was necessary.} Rxd6 25. Qxd6) 24... Rf5 25. Nd6 Rxd6 $1 ({Weaker is} 25... Rxf4 26. Nxb7 Rf3 27. Kg2 $11) 26. Qxd6 {And now f4 would win.} Ne5 27. Rd3 {[#]} Nf3+ $2 ({Not} 27... Nxd3 28. Qxd3 Ne4 29. f4 $15) (27... Nfg4 $1 $19 {has better winning chances.} 28. f4 Nxd3 29. Qd8+ Kg7 30. Qxd3 Rh5) 28. Rxf3 {Accuracy: White = 46%, Black = 50%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.16"]
[White "Szabo, Marton Mihaly"]
[Black "Del Rio De Angelis, Salvador G."]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2282"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,79,-9,-3,-4,-11,-2,-4,-2,-16,-19,-10,-4,0,-12,-20,-7,-19,-15,-31,-31,-45,-60,-32,-27,-42,-17,-23,-30,-30,-31,-30,-30,-19,-25,-33,-13,-41,-55,-52,-52,-62,-6,-6,-7,-7,0,-18,-18,-19,-17,-10,0,0,0,0,0,0,0,0,0,0,0,-5,-5,-5,-7,-6,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. Ne2 Be7 {C01: French: Exchange Variation} 7. Be3 O-O 8. Nbc3 Qc7 9. dxc5 $146 ({Predecessor:} 9. O-O Rd8 10. Nb5 Qa5 11. c4 a6 12. Nbc3 cxd4 13. Nxd4 Nbd7 14. Qe2 {½-½ (38) Onischuk,V (2594)-Berkes,F (2665) Zalakaros 2014}) 9... Rd8 10. Qc1 Bxc5 11. Bxc5 Qxc5 12. O-O Nc6 13. Rd1 Bd7 14. Qf4 e5 15. Qh4 Bf5 16. Bxc6 Qxc6 17. Qg5 Bxc2 18. Rxd8+ Rxd8 19. Qxe5 Qb6 20. Qb5 Qxb5 21. Nxb5 Rd2 22. Nbc3 g6 23. f3 Bd3 24. Nf4 Ba6 25. b3 Rc2 (25... g5 $15 26. Nh3 Rc2) 26. Ncd5 {The position is equal.} Nxd5 27. Nxd5 $11 {[%mdl 4096] Endgame KRB-KRN} Rd2 28. Nf6+ Kg7 29. Ne4 Rc2 30. Rd1 Bb5 31. Rd2 Rc1+ 32. Kf2 Bc6 33. Ng3 Kf6 34. Ne2 Rc5 35. Nd4 Bd5 36. Rc2 Rxc2+ 37. Nxc2 Ke5 38. Ke3 a5 39. Ne1 Bc6 40. Nd3+ {Accuracy: White = 63%, Black = 66%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.17"]
[White "Koellner, Ruben Gideon"]
[Black "Yankelevich, Lev"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2265"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "169"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,168,57,64,31,80,85,83,70,106,74,115,96,99,111,168,168,168,167,164,161,141,151,139,141,137,102,154,134,139,99,211,231,222,235,215,193,222,210,267,167,267,264,262,260,260,245,244,232,234,221,382,367,369,152,447,429,540,536,587,537,570,557,782,537,529,527,521,517,614,577,914,903,1225,1217,1184,1202,1132,969,885,845,703,656,1054,948,991,891,6107,6115,4882,2177,12839,12838,12840,12841,12843,12838,12839,12839,12844,12844,12845,12845,12848,12846,12846,12846,12847,12843,12845,12845,12845,12845,12845,12845,12845,12845,12847,12846,12847,12847,12848,12847,12847,12848,12849,12849,29991,29992,29992,12850,12851,27999,12851,27999,27999,27999,27999,27999,27999,27999,27999,27998,27999,27998,27999,27998,27999,27999,27999]} 1. d4 c5 2. d5 Nf6 3. Nc3 g6 4. e4 d6 5. Be2 Bg7 6. Nf3 O-O 7. O-O Bg4 8. Nd2 Bxe2 9. Qxe2 Na6 10. Nc4 Nc7 11. a4 Nd7 12. f4 {A43: Schmid Benoni} (12. Bf4 Ne5 13. Nxe5 dxe5 14. Be3 b6 15. a5 Qd7 16. Qc4 Rfb8 17. axb6 axb6 18. b4 cxb4 19. Qxb4 Bf8 20. Rxa8 Nxa8 {1-0 (47) Ovetchkin,R (2543)-Postny,E (2609) playchess.com INT 2006}) 12... a6 13. a5 $1 {[%cal Ba4a5,Ba5b6][%mdl 32]} Nb5 14. Na4 {White is better.} Qc7 15. c3 Rae8 16. Nab6 e6 17. Qd3 $146 ({Predecessor:} 17. Qf3 Nf6 {1-0 (40) Bajerlein,D (2044)-Knopik,K (2098) Szklarska Poreba 2017}) 17... Nxb6 (17... f5 $16 {might work better.}) 18. axb6 $18 Qe7 19. f5 $1 exf5 20. exf5 Qe4 21. Qxe4 Rxe4 22. Na5 {Strongly threatening f6.} Be5 23. f6 ({Much weaker is} 23. Nxb7 $6 Rb8 $11) 23... Rb8 ({Better is} 23... h5) 24. g3 $16 Re2 25. Nc4 h5 (25... Re4 $16) 26. Bg5 $18 Re8 27. Rf2 $1 {[%cal Rf2e2]} Re4 28. Nd2 $1 {[%cal Rd2e4]} Rg4 {[#]} 29. Nf3 $1 Ra8 30. Ra5 Rc8 {[#]} (30... Re4 $142 31. Kg2 Re8) 31. Re2 $1 Rxg5 32. Nxg5 Bxf6 33. Nf3 Kf8 34. Nd2 c4 35. Kg2 Kg7 $2 (35... Bd8 36. Ra4 Bxb6 37. Nxc4 (37. Rxc4 Nc7 $16) 37... Bd8) 36. Ra1 Be5 37. Rd1 (37. Ra4 $18 {and White stays clearly on top.}) 37... f5 $2 (37... Bxc3 $16 {keeps fighting.} 38. Re7 Bxb2) 38. Nf3 Bf6 39. h4 a5 40. Ra1 Ra8 41. Ra4 Bxc3 42. bxc3 Nxc3 43. Re7+ {[%mdl 64] Double Attack} Kf8 44. Rh7 Kg8 45. Rxc4 {Black must now prevent Rcc7.} Kxh7 46. Rxc3 {[%mdl 4096] Endgame KRN-KR} a4 47. Rc7+ {[%mdl 64] Double Attack} Kg8 48. Rxb7 Ra6 49. Nd4 a3 50. Ra7 Rxb6 51. Rxa3 Kf7 52. Ne6 Kf6 53. Re3 f4 54. Nxf4 Kf5 55. Re6 g5 56. hxg5 Kxg5 57. Kh3 h4 58. Rg6+ Kf5 59. Kxh4 Rb1 60. Rxd6 Rh1+ 61. Nh3 Rd1 62. g4+ Ke5 63. Rd8 Kf6 64. Nf4 Ke5 65. Kg5 Ra1 66. Re8+ Kd6 67. Kf6 Rf1 68. Re4 Kd7 69. g5 Ra1 70. g6 Ra8 71. Kf7 Kd6 72. g7 Rb8 73. g8=Q Rc8 74. Qg6+ Kc5 {[#]} 75. Rc4+ $3 Kxc4 76. Qa6+ Kc5 77. Qxc8+ Kd6 {White mates.} 78. Qe6+ Kc5 79. d6 Kd4 80. d7 Kc5 81. d8=R Kb5 82. Rd5+ Kb4 83. Qc6 Ka3 84. Rb5 Ka2 85. Qa6# {Accuracy: White = 72%, Black = 34%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.18"]
[White "Braeuer, Franz"]
[Black "Hess, Max"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2429"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,117,55,50,54,42,43,38,47,41,63,9,7,5,7,0,11,12,24,3,7,6,47,61,40,12,12,11,18,20,8,10,34,23,91,91,95,95,95,95,114,114,114,109,138,138,138,95,138,96,138,96,103,96,96,96,96,96,96,96,96,96,96,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,0,90,0,90,90,90,90,90,68,90,90,90,90,90,90]} 1. e4 c5 2. Nf3 Nc6 ({Predecessor:} 2... e6 3. d4 cxd4 4. Nxd4 {½-½ (58) Gdanski,J (2535)-Macieja,B (2538) Plock 2000}) 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 Be6 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} 14. Bxc5 dxc5 15. Nd5 Bxd5 $1 {White is slightly better.} 16. exd5 {[#]} Qd6 $146 (16... O-O 17. d6 Qb6 18. c4 Rad8 19. Rfe1 Rfe8 20. Bh3 Nh7 21. f4 {1-0 (60) Vidit,S (2715)-Van Foreest,J (2629) Riadh 2017}) 17. f4 (17. Bh3 $14) 17... O-O $11 18. fxe5 Qxe5 19. c4 Qd6 20. Qf4 Rfd8 21. b4 {[#] Hoping for Qxd6.} Rac8 22. Rb1 b5 23. Qxd6 Rxd6 24. Rfc1 $36 {[%mdl 2048] Threatens to win with cxb5. White is pushing.} cxb4 25. c5 Rxd5 26. Bxd5 Nxd5 {[%mdl 4096] Endgame KRR-KRN} 27. Rc2 a5 28. a3 Nc3 ({Of course not} 28... bxa3 $6 29. Rxb5 a4 30. Ra5 $16) (28... Ne3 $11 29. Rcc1 Nc4 30. axb4 axb4) 29. Rb3 $16 Rxc5 30. axb4 axb4 31. Rxb4 Nd5 32. Rxc5 Nxb4 {KR-KN} 33. Kg2 Nd3 34. Rxb5 f6 35. Kf3 Kf7 36. Ke4 Nf2+ 37. Kf5 g6+ 38. Kf4 h5 39. Rb7+ Ke6 40. Rb6+ Kf7 41. Ra6 Ng4 42. Ra7+ Ke6 43. h4 Kd6 44. Rg7 Ne5 45. Ke4 Ke6 46. Ra7 {Black must now prevent Ra6+.} Ng4 47. Ra6+ Ke7 48. Rb6 Kf7 49. Kf4 Ke7 50. Rb7+ Ke6 51. Rh7 Kd6 52. Rg7 Ne5 53. Ke4 Ke6 54. Rg8 Kf7 55. Ra8 Ng4 56. Kd4 Ke6 57. Ra5 {White is better.} Ne5 {[#] ...Nc6+ is the strong threat.} 58. Ke4 {aiming for Ra6+.} Ng4 59. Ra2 {Accuracy: White = 66%, Black = 73%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.19"]
[White "Goldbeck, Lars"]
[Black "Shevchenko, Kirill"]
[Result "1/2-1/2"]
[ECO "E69"]
[WhiteElo "2203"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,104,25,33,47,17,17,17,22,22,23,20,34,22,31,29,54,52,55,55,46,29,38,20,17,24,16,0,34,32,39,39,42,-7,0,0,0,0,25,32,52,57,54,60,71,62,91,91,94,69,73,64,120,16,19,14,15,16,18,16,23,8,1,-2,0,8,37,50,48,0,39,-5,0,0,0,0,48,48,48,40,47,38,38,38,38]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qa5 10. Re1 exd4 11. Nxd4 Ne5 12. Bf1 Qb6 {E69: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4 c6 9 h3} 13. Nb3 Be6 14. Be3 c5 {The position is equal.} 15. Nd5 Bxd5 16. exd5 Rfe8 (16... Rae8 17. Kg2 Re7 18. Qc2 Rfe8 19. Bd2 Qd8 20. a4 {0-1 (38) Howell,D (2676)-McShane,L (2640) London 2017}) 17. Bd2 $146 ({Predecessor:} 17. Kg2 Re7 18. Qc2 Rae8 19. Rad1 Ned7 20. Bd2 {0-1 (30) Burnett,J (1991)-Gormally,D (2481) Harrogate 2019}) 17... Ned7 18. Qc2 Rxe1 19. Rxe1 Re8 20. Rxe8+ Nxe8 21. Qe4 Kf8 22. Bg5 {Strongly threatening Qe7+.} Bf6 23. Bh6+ Bg7 24. Bg5 {Qe7+ is the strong threat.} Nef6 (24... Bf6 $5 {[%cal Rf6g5]} 25. Bc1 Qa6 $14) 25. Qe1 Ng8 26. Bc1 Qd8 27. f4 h5 28. Kg2 Ne7 29. Bd3 b5 30. Qa5 $36 {[%cal Ra5d8][%mdl 2048] White is more active.} Qb8 {With the idea ...bxc4.} 31. Qxb5 Qxb5 32. cxb5 Nxd5 33. Na5 Nb8 34. Kf3 Nc7 35. a4 Ne6 $1 36. Ke4 Ke7 {[#]} ({Black should play} 36... Ke8 $1 $14) 37. Kd5 (37. g4 $1 $16) 37... Nc7+ $11 38. Kc4 Bd4 39. Be4 Ke6 {Hoping for ...d5+.} 40. Bb7 Bf2 41. Bc8+ Ke7 42. g4 hxg4 43. hxg4 d5+ 44. Kd3 c4+ 45. Kc2 (45. Ke2 $5 {[%cal Re2f2]} Bb6 46. Nb7 $11) 45... Ne6 46. Bb7 Be1 47. Nc6+ Nxc6 48. bxc6 Kd6 49. f5 {White is slightly better.} gxf5 $1 50. gxf5 Nd4+ 51. Kd1 {aiming for Bf4+.} Bg3 {[#]} 52. c7 $1 {[%mdl 512]} Kxc7 {Accuracy: White = 64%, Black = 49%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.20"]
[White "Hofstetter, Hans-Joachim"]
[Black "Loiseau, Quentin"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2210"]
[BlackElo "2471"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:29]} 2. d4 {[%emt 0:00:16]} d5 {[%emt 0:00:07]} 3. e5 {[%emt 0:00:41]} Bf5 {[%emt 0:00:21]} 4. Nf3 {[%emt 0:00:16]} e6 {[%emt 0:00:12]} 5. Be2 {[%emt 0:00:27]} Ne7 {[%emt 0:01:00]} 6. Nbd2 {[%emt 0:00:37]} c5 {[%emt 0:01:24]} 7. dxc5 {[%emt 0:04:31]} Nec6 {[%emt 0:02:09]} 8. Nb3 {[%emt 0:01:01]} Nd7 {[%emt 0:01:10]} 9. c4 {[%emt 0:05:20]} dxc4 {[%emt 0:03:05]} 10. Bxc4 {[%emt 0:02:41]} Nxc5 {[%emt 0:02:28]} 11. Be3 {[%emt 0:01:33]} Nd3+ {[%emt 0:02:41]} 12. Bxd3 {[%emt 0:03:18]} Bxd3 {[%emt 0:03:03]} 13. Bd4 {[%emt 0:00:21]} Bb4+ {[%emt 0:06:39]} 14. Bc3 {[%emt 0:00:30]} Bxc3+ {[%emt 0:00:22]} 15. bxc3 {[%emt 0:00:01]} Qd5 {[%emt 0:00:12]} 16. Qd2 {[%emt 0:01:32]} Nxe5 {[%emt 0:05:09]} 17. O-O-O {[%emt 0:01:09]} Nxf3 {[%emt 0:01:57]} 18. Qxd3 {[%emt 0:01:31]} Qxd3 {[%emt 0:00:16]} 19. Rxd3 {[%emt 0:00:02]} Ne5 {[%emt 0:00:13]} 20. Rg3 {[%emt 0:00:53]} g6 {[%emt 0:02:05]} 21. Re1 {[%emt 0:00:19]} Nd7 {[%emt 0:01:21]} 22. Rd3 {[%emt 0:01:05]} Ke7 {[%emt 0:01:26]} 23. Kc2 {[%emt 0:05:47]} Rac8 {[%emt 0:00:22]} 24. Red1 {[%emt 0:00:21]} Rc7 {[%emt 0:01:55]} 25. Nd4 {[%emt 0:00:59]} a6 {[%emt 0:00:06]} 26. Ne2 {[%emt 0:00:49]} Rhc8 {[%emt 0:00:40]} 27. g4 {[%emt 0:00:51]} Nf6 {[%emt 0:02:37]} 28. Rg1 {[%emt 0:02:21]} h5 {[%emt 0:00:30]} 29. h3 {[%emt 0:01:05]} Nd5 {[%emt 0:02:35]} 30. Kb3 {[%emt 0:00:19]} hxg4 {[%emt 0:00:50]} 31. hxg4 {[%emt 0:00:08]} Rc4 {[%emt 0:00:27]} 32. f3 {[%emt 0:01:05]} b5 {[%emt 0:00:38]} 33. Rgd1 {[%emt 0:00:18]} Kf6 {[%emt 0:03:17]} 34. a3 {[%emt 0:00:56]} a5 {[%emt 0:00:49]} 35. Rc1 {[%emt 0:01:12]} b4 {[%emt 0:01:42]} 36. axb4 {[%emt 0:00:37]} axb4 {[%emt 0:00:05]} 37. Rd4 {[%emt 0:00:18]} Rxd4 {[%emt 0:00:21]} 38. cxd4 {[%emt 0:00:14]} Ra8 {[%emt 0:02:32]} 39. f4 {[%emt 0:00:03]} Ra3+ {[%emt 0:00:23]} 40. Kb2 {[%emt 0:00:17]} Rf3 {[%emt 0:00:15]} 41. g5+ 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.21"]
[White "Vogel, Roven"]
[Black "Yi, Danny"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2456"]
[BlackElo "2211"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,67,9,8,7,5,28,29,39,24,69,50,54,32,94,66,72,24,33,29,31,27,46,42,58,41,61,46,95,93,131,127,131,127,206,193,215,210,308,300,286,43,120,127,116,0,11,0,309,316,313,311,464,472,756,754,747,716]} 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 O-O 5. Be2 d5 6. O-O c5 7. c3 Nc6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 8. Nbd2 Nd7 9. Qb3 cxd4 {White has an edge.} (9... c4 10. Qa3 b5 11. e4 Nb6 12. Qc5 dxe4 13. Nxe4 Qd5 14. Qxd5 Nxd5 15. Bg3 {1-0 (76) Artemiev,V (2691)-Ding,L (2777) Huaian 2017}) 10. exd4 (10. Qxd5 dxc3 11. bxc3 Nf6 $15) 10... e5 $146 ({Predecessor:} 10... e6 11. Rfe1 b6 12. Qa4 Bb7 13. Bb5 Qc8 14. Rac1 a6 15. Bd3 b5 16. Qd1 Na5 17. b3 {0-1 (43) Yepes Martinez,E (2268)-Rodshtein,M (2605) Barcelona 2008}) 11. dxe5 Ndxe5 12. Rad1 Ng4 ({Black should play} 12... Be6 $14) 13. h3 Nf6 14. Be3 Re8 15. Rfe1 Qc7 16. Nf1 {[%cal Bd2f1,Bf1g3,Bg3e4][%mdl 32]} Na5 17. Qc2 Nc4 18. Bd4 Bf5 19. Qc1 Re7 20. Ng3 Be6 21. Bxc4 dxc4 22. Qg5 Ne8 (22... h6 $16 {might work better.} 23. Qh4 Nh7) 23. Bxg7 $18 Nxg7 24. Nd4 Rae8 (24... a6 $142 25. Re3 Kh8) 25. Ne4 {Threatens to win with Nf6+.} Nh5 26. g4 $2 ({White has to play} 26. Nb5 $1 $18 {[%cal Rb5c7]} Qf4 27. Qxf4 {[%mdl 64] Overworked Piece} (27. Nxa7 Qxg5 28. Nxg5 Nf4 $14) 27... Nxf4 28. Nf6+ {[%mdl 64] Double Attack} (28. Nxa7 Ra8 $11) 28... Kg7 29. Nxe8+ Rxe8 30. Re3 (30. Nxa7 Nd3 $18)) 26... h6 (26... Bd7 $14) 27. Qxh6 $16 Bd5 28. gxh5 {Played: Nd4-b5} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.22"]
[White "Hoffmann, Michael"]
[Black "Boehnke, Martin"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2445"]
[BlackElo "2208"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,157,0,6,19,12,49,0,0,-10,11,10,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,11,20,79,79,79,81,69,77,83,80,89,75,78,70,102,100,117,85,85,85,85,85,85,85,85,85,85,85,97,92,102,98,161,61,61,61,62,65,66,45,139,110,121,112,699,699,689,686,625,599,437,433,426,423,298,410,298,290,1264,381,345,187,320,101,101,101,101,101,125,114,123,133,118,101,29972,29971,29971,29971,6111,101,101,101,235,227,227,227,227,115,124,0,0,0,56,0,0,0,8,8,8,8,78,78,1286,1123,29984,29985,29986,29987]} 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Qxd5 5. Nc3 Qd6 6. d4 Nf6 7. Nf3 e6 8. Be2 Be7 9. O-O Nc6 10. Nb5 Qd8 11. Bf4 O-O {B22: Sicilian: 2 c3} (11... Nd5 12. Bg3 O-O 13. Bc4 a6 14. Nc3 Nxc3 15. bxc3 b5 16. Bd3 Bb7 17. a4 b4 18. Rb1 Bf6 19. Be4 a5 20. cxb4 axb4 21. Bxc6 {½-½ (21) Zvjaginsev,V (2660)-Moiseenko,A (2692) Berlin 2015}) 12. Bc7 Qe8 $146 (12... Qd7 $5 {[%cal Ra7a6]} 13. Ne5 Nxe5 14. dxe5 (14. Bxe5 a6 $11) 14... Nd5 $11) ({Predecessor:} 12... Qd7 13. Ne5 Nxe5 14. Bxe5 a6 15. Nc7 Ra7 16. d5 exd5 17. Bf3 b6 18. Nxd5 Nxd5 19. Qxd5 Qxd5 20. Bxd5 {½-½ (54) Sebag,M (2434)-Plaskett,H (2485) Birmingham 2006}) 13. Bg3 Qd8 {The position is equal.} 14. Rc1 Bd7 (14... a6 $5 {[%cal Ra6b5]} 15. Nc3 b6 $11) 15. Bc7 Qc8 16. Bg3 Qd8 17. a3 a6 18. Nd6 Bc8 19. Nc4 b5 20. Nce5 Nxe5 21. Nxe5 Bb7 22. Nc6 Bxc6 $1 23. Rxc6 Nd5 24. Bf3 Qd7 25. Qc2 Bf6 26. Be5 Bxe5 (26... Rfd8 $11) 27. dxe5 $16 Rac8 28. Bxd5 exd5 29. Rc1 {[%cal Rc6c8]} Rce8 30. Rd6 Qb7 31. Qf5 Re7 32. h3 Rfe8 33. f4 g6 34. Qd3 Qa7+ 35. Kh2 Qf2 36. Rf1 Qxb2 37. Rxa6 b4 38. axb4 Qxb4 39. Qxd5 Rc7 40. Rf3 Qe1 41. Rf6 Ree7 (41... Qa1 $16 42. Rd6 Rc1) 42. Rb3 (42. e6 $18 Qa1 43. exf7+ Rxf7 44. Rd6) 42... Kg7 $1 $14 43. Rc6 Rcd7 44. Rd6 Ra7 45. Qd2 Qf1 (45... Qxd2 $14 46. Rxd2 f6) 46. Rf3 Qa1 47. Rd8 $36 {[%mdl 2048] Strongly threatening Qd6. White has strong initiative.} Qa5 $2 {[%mdl 8192]} (47... Ra8 $16 48. Qd6 Rxd8 49. Qf6+ (49. Qxe7 Rd1 $16) (49. Qxd8 Re6 $16) 49... Kg8 50. Qxe7 Qd4) 48. Qd6 $18 {White threatens Qf6+ and mate.} Qa6 {If only Black now had time for ...Qxd6....} 49. Qb8 {Intending Rg8+ and mate.} f5 50. Rg8+ Kh6 51. Qf8+ Rg7 52. Rxg7 Rxg7 {[%mdl 4096] Endgame KQR-KQR} 53. Qd8 {[%cal Rd8h4]} Rf7 54. Rd3 Qc6 $2 (54... Kg7 55. Rd2 Qe6) 55. Rd6 $2 (55. h4 {Black must now prevent h5!} Kg7 56. Qg5) 55... Qc7 56. Qg5+ Kg7 57. Rf6 $2 (57. h4 $18 {is the precise move to win. And now h5 would win.} Qe7 58. Qg3) 57... Qe7 $16 {[%cal Rf7f6]} 58. Rxf7+ $1 Qxf7 {KQ-KQ} 59. Qd8 Qe6 60. Kg3 h6 61. Qc7+ Kg8 62. Kh4 Qa2 $2 {[%mdl 8192]} (62... Qd5 $16) 63. Qd8+ Kh7 64. Qe7+ Kg8 65. Kg3 $2 (65. g3 $18 {has better winning chances. White wants to mate with e6.} Qf7 66. Qxf7+ Kxf7 67. g4) 65... Qb3+ {[#]} 66. Kh2 $1 Qc4 (66... Qe3 $16) 67. Qe8+ $18 Kg7 68. Qd7+ Kg8 69. Qd2 (69. Kg3 $18 Qc1 70. Qd8+ Kg7 71. Qd7+ Kg8 72. Qe6+ Kh7 73. Qf7+ Kh8 74. Qxg6 Qe3+ 75. Kh4 Qxf4+ 76. Kh5 Qxe5 77. Qxh6+ (77. Kxh6 Qe3+ 78. Qg5 Qe6+ 79. Qg6 Qe3+ 80. Qg5 Qe6+ 81. Qg6 Qe3+ $16) 77... Kg8 78. Qc6) 69... Kf7 $16 70. g4 (70. Qe3 $16) 70... fxg4 $11 71. hxg4 Ke8 ({Black should try} 71... Qe4 $1 $11) 72. Kg3 ({Better is} 72. Qe3 $1 $14) 72... Qe4 $1 73. Qc3 Kd7 74. Qf3 Qe1+ 75. Kg2 {Hoping for Qd5+.} Qd2+ {[#]} (75... g5 $1 $11) 76. Kh3 $1 $16 {aiming for f5.} Qc2 $2 {[%mdl 8192]} (76... Qe1 $16 77. f5 gxf5) 77. f5 $18 Ke7 78. f6+ Kf7 {[#]} 79. e6+ $1 {[%mdl 512] Accuracy: White = 62%, Black = 44%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.23"]
[White "Bellia, Fabrizio"]
[Black "Richter, Nils"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2433"]
[BlackElo "2213"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,83,14,14,15,23,22,0,0,0,0,0,0,0,20,0,0,0,0,7,13,5,31,4,129,0,92,55,49,44,76,0,0,0,30,35,45,59,42,0,115,103,151,156,275,250,1003,987,1290,945,1259,1259,1195,1093,1015,1008,647,447,479,422,497,474,821,801]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 a6 7. O-O O-O 8. h3 h6 9. Re1 Ba7 10. Nbd2 Re8 11. Nf1 Be6 12. Ng3 d5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (12... Bxb3 13. Qxb3 Qd7 14. Be3 Bxe3 15. Rxe3 d5 16. Rae1 Na5 17. Qa3 Nc6 18. Qb3 Na5 19. Qa3 Nc6 {½-½ (19) Ragger,M (2682)-Harikrishna,P (2730) Brest 2019}) 13. exd5 Bxd5 14. Be3 (14. Bc2 {keeps more tension.} Re6 15. a4 a5 16. Nh4 Ne7 17. Be3) 14... Bxe3 {The position is equal.} 15. Rxe3 Qd6 16. Bc2 Rad8 $146 ({Predecessor:} 16... Be6 17. Qd2 {0-1 (59) Cretu,S (2210)-Seryakov,O (2257) ICCF email 2014}) 17. Qd2 Be6 18. Rae1 {[%cal Rf3e5]} Nd5 19. Re4 {[%cal Rf3e5]} f5 20. Rxe5 $1 Nxe5 21. Rxe5 Qf8 22. d4 {[%cal Rg3f5]} Nb6 (22... Bc8 $11) 23. Qe1 ({Inferior is} 23. Bxf5 Nc4 $15) (23. Nxf5 $16 Nd7 24. Qd3) 23... Bc8 (23... Qf7 $1 $11) 24. Nxf5 Rxe5 25. Qxe5 {[#] Black must now prevent Ne7+.} Re8 26. Qxc7 ({White should try} 26. Qa5 $16) 26... Bxf5 $11 27. Bb3+ Kh8 {Strongly threatening ...Nd7.} 28. Qxb6 Be4 $1 29. Ne5 {Threatens to win with f3.} (29. Ba4 $5 {[%cal Ra4e8]} Ra8 30. Ne5 $14) 29... Qf4 30. Bc4 Rf8 (30... Kh7 $11 {keeps the balance.}) 31. f3 $16 Qe3+ {[#]} 32. Kf1 $1 Bc2 (32... Qc1+ $16 33. Kf2 Kh7) 33. Qxb7 $18 Be4 $2 (33... a5 34. a4 Re8) 34. Nf7+ {White is clearly winning.} Rxf7 35. Qxf7 {[%csl Gc4][%cal Rf7g8]} Bd3+ 36. Bxd3 Qxd3+ {[%mdl 4096] Endgame KQ-KQ} 37. Kf2 Qd2+ 38. Kg1 Qxb2 39. Qe8+ Kh7 40. Qe4+ Kh8 41. Qd3 Qxa2 (41... Qc1+ $142 42. Kf2 Qb2+ 43. Kg3 Qb8+ 44. f4 g5) 42. d5 {Accuracy: White = 73%, Black = 45%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.24"]
[White "Epding, Olaf"]
[Black "Smith, Bryan"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2208"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,-19,-14,-20,-12,-21,-8,-52,50,47,50,57,68,50,111,110,126,94,87,82,77,90,76,0,38,0,54,51,56,-10,-9,-8,-14,-35,-23,-29,-20,-26,-20,-27,-27,-34,-17,-28,-27,-26,-26,-24,-13,-26,13,0,0,-9,0,0,0,0,15,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,14,8,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-48,-45,-100,-50,-319,-319,-319,-319,-319,-8,-8,-8,-8,-8,-8,-8,-29970,-29973,-29973,-29974,-29948,-6402,-29980,-29981,-29981,-29982,-29982,-29983]} 1. e4 c5 2. b3 g6 (2... Nc6 3. Bb2 e5 4. Nf3 d6 5. Bc4 Be7 6. O-O Nh6 7. c3 O-O 8. d4 Qc7 9. Na3 Kh8 10. Nc2 f5 11. exf5 Nxf5 12. dxe5 dxe5 13. Qe2 Nd6 {½-½ (64) Vachier Lagrave,M (2780)-Maze,S (2596) chess.com INT 2019}) 3. Bb2 Nf6 4. Nf3 Bg7 5. e5 Nd5 6. Nc3 {B20: Sicilian: Unusual White 2nd moves} Nxc3 7. Bxc3 Nc6 8. e6 $146 {The position is equal.} ({Predecessor:} 8. g3 O-O 9. Bg2 d5 10. exd6 e5 11. O-O Qxd6 12. Ng5 Nd4 13. Re1 {0-1 (40) Grigoryan,K (2555)-Garriga Cazorla,P (2400) Sitges 2017}) 8... Bxc3 (8... O-O $15) 9. exf7+ $14 Kxf7 10. dxc3 Kg7 11. Qd2 Rf8 (11... d6 $14) 12. h4 $16 Qc7 13. h5 {And now hxg6 would win.} Qf4 14. Qxf4 Rxf4 15. hxg6 hxg6 16. Ng5 (16. O-O-O $16) 16... Rg4 17. Nf3 d6 ({Black should try} 17... Rf4 $1 $11) 18. g3 $14 Bf5 19. Nh2 (19. Be2 $14) 19... Rh8 $11 20. Bg2 Rg5 {...Rgh5 is the strong threat.} 21. Kd2 Rgh5 22. Nf3 Be4 23. Rxh5 Rxh5 24. Re1 d5 25. Re2 e5 26. Ke1 Rf5 27. Nh4 Bxg2 28. Nxg2 {[%mdl 4096] Endgame KRN-KRN} Rh5 29. Kd2 d4 30. Nh4 Kf6 31. Kd3 b5 32. Re1 dxc3 33. Kxc3 Nd4 34. Kd3 g5 35. Ng2 Rh8 36. Ne3 Nf3 37. Rc1 Rd8+ 38. Ke2 Nd4+ 39. Kf1 e4 40. Kg2 b4 41. Rh1 Kg6 42. a3 Nf5 {Threatens to win with ...Nxe3+.} 43. Nc4 Nd4 44. axb4 cxb4 45. Ra1 Nxc2 46. Ra6+ Kg7 47. Rxa7+ Kf6 48. Ra6+ Ke7 49. Ra5 Kf6 50. Kh3 Rd3 51. Ra6+ Ke7 52. Ra7+ Ke6 53. Ra6+ Kd5 54. Rd6+ Kc5 55. Rxd3 $4 {[%mdl 8192]} (55. Re6 $15) 55... exd3 $15 {KN-KN} 56. f4 gxf4 $1 57. gxf4 Kd4 $2 (57... Na3 $19 58. Nb2 Kd4) 58. f5 $11 Kc3 {Strongly threatening ...d2.} 59. f6 {Hoping for f7.} Nd4 60. f7 Ne6 61. Kg4 $2 {[%mdl 8192]} (61. Kg3 $11) 61... d2 62. Ne3 {[#]} Kd3 $1 63. Kf5 Nf8 64. Nd1 {[#]} Ke2 $1 {Black mates.} 65. Nb2 d1=Q 66. Nxd1 Kxd1 {Accuracy: White = 50%, Black = 54%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.25"]
[White "Mohota, Nisha"]
[Black "Zysk, Robert"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2195"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,43,56,47,81,11,47,27,39,34,28,32,44,32,45,-7,8,-9,12,-37,-20,-46,-15,-62,-42,-69,-58,-78,-64,-73,-63,-71,-70,-64,-100,-93,-84,-102,-79,-142,-122,-235,-247,-233,-262,-257,-208,-287,-265,-399,-403,-529,-506,-530,-521,-622,-474,-462,-472,-441,-447,-442,-433,-613,-500,-684,-465,-482,-466,-29991,-29974,-29974,-29976]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 Nd7 6. h4 {B06: Modern Defence} h6 (6... h5 7. Nh3 Ngf6 8. f3 b5 9. Ng5 Bb7 10. O-O-O e6 11. a3 Qe7 12. Kb1 c5 13. dxc5 dxc5 14. Qd6 Qxd6 15. Rxd6 Bf8 16. Rd2 c4 17. Be2 Bc5 18. Bxc5 Nxc5 {1-0 (49) Vidit,S (2703)-Maghsoodloo,P (2656) Biel 2019}) 7. f4 (7. O-O-O $16) 7... Ngf6 8. e5 {White is slightly better.} Ng4 9. Nf3 Nb6 $146 ({Predecessor:} 9... b5 10. Bg1 Nb6 11. O-O-O h5 12. Kb1 d5 13. Bd3 e6 {½-½ (51) Michelle,C (2069)-Caglar,S (2204) Barbera del Valles 2018}) 10. Bd3 Bf5 11. O-O-O h5 12. Kb1 (12. Ng5 $14) 12... d5 13. Qe2 e6 14. Ng5 Qd7 15. Bc1 Bf8 16. Rdf1 c5 17. dxc5 {And now Bxf5 would win.} Bxc5 18. Nd1 Rc8 19. Bxf5 gxf5 20. Rh3 Nc4 {[%cal Bb6c4,Bc4a5,Ba5c6][%mdl 32]} 21. Rd3 b5 22. b3 Qb7 23. Rg3 Na5 24. Ne3 ({White should try} 24. Nf3) 24... Nc6 $17 25. Nxf5 (25. Nxg4 $17 hxg4 26. Rh1) 25... exf5 $19 26. e6 f6 27. Nf7 O-O 28. Nh6+ {[#]} Kh8 $1 29. Nxf5 (29. Nf7+ $142 Kh7 30. Bb2) 29... Qh7 30. Ne3 Nd4 31. Qd1 Nxe3 32. Bxe3 Nxc2 33. Qxc2 Qxc2+ 34. Kxc2 {aiming for Bxc5.} Bxe3+ 35. Kd3 d4 36. f5 (36. Rg6 $142) 36... Rg8 37. Rff3 Rc3+ 38. Ke4 Rc5 39. Rh3 {[#]} (39. Rxg8+ $19 Kxg8 40. b4 Re5+ 41. Kd3) 39... Re5+ 40. Kd3 Rxg2 {Accuracy: White = 12%, Black = 58%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.26"]
[White "Cordes, Hans-Joerg"]
[Black "Gschnitzer, Adrian"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2188"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,100,64,68,56,63,60,61,59,54,57,67,64,79,62,74,55,46,33,48,35,83,71,81,33,37,30,45,-10,-15,-43,-11,-11,0,-6,-16,-44,89,86,64,13,15,-49,-18,-47,-62,-85,-77,-76,-81,-35,0,0,113,114,125,-154,29992,-153,-151,-156,-156,-150,-148,-153,-152,-163,-166,-163,-157,-183,-177,-225,-241,-222,-194,-352,-342,-312,-297,-468,-476,-536,-514,-485,-474,-598,-541,-788,-787]} 1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bb5+ Nfd7 7. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Na6 8. O-O {A43: Schmid Benoni} Nc7 9. Bc4 O-O 10. Re1 {White is slightly better.} Nb6 11. Bf1 Bd7 12. a5 Nc8 $1 13. h3 a6 $146 ({Predecessor:} 13... Rb8 14. e5 b5 15. axb6 axb6 {½-½ (62) Bosiocic,M (2613)-Gschnitzer,A (2380) Karlsruhe 2019}) 14. e5 Bb5 15. Bf4 Bxf1 16. Kxf1 Qd7 17. Qd2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 18. Bh6 b4 19. Bxg7 Kxg7 20. e6 (20. Ne4 $14) 20... fxe6 $11 21. dxe6 Qc6 22. Ne4 Qd5 23. Qe3 Qxe6 24. Rad1 Nd5 (24... Rb8 $15 {stays ahead.}) 25. Qg5 Rf5 26. Nxc5 ({Better is} 26. Qh4 $14 Qg8 27. Ng3) 26... Ne3+ $1 27. Rxe3 (27. Qxe3 $11 Qxe3 28. Rxe3 Rxc5 {[%mdl 64] Double Attack} 29. Re4) 27... Qc4+ $15 {[%mdl 64] Double Attack} 28. Kg1 Rxg5 29. Ne6+ Kg8 30. Nfxg5 {Rd4 is the strong threat.} Qxc2 31. Rd4 h6 ({Don't go for} 31... Qxb2 $2 32. Rf3 $16) (31... d5 $5 32. Rh4 h5 $11) 32. Rf4 {[%csl Ge6][%cal Rf4f8]} Na7 (32... hxg5 $11 {remains equal.} 33. Rf8+ Kh7 34. Rf7+ Kh8 35. Rf8+ Kh7 36. Rf7+ Kh8 37. Rf8+ Kh7) 33. Nf7 $16 g5 {[#]} (33... Qxb2 34. Nxh6+ Kh7 35. Nf7 $18) 34. Rg3 $2 {[%mdl 8192]} (34. Nfxg5 $1 $16 {[%mdl 512]} hxg5 35. Rg3) 34... Qc1+ $1 $17 {[#]} 35. Kh2 $1 {[%mdl 512] [#]} Qxf4 $1 {[%mdl 576] Remove Defender} 36. Nxf4 Kxf7 {[%mdl 4096] Endgame KRN-KRN} 37. Nd5 Nc6 38. Rf3+ Kg6 39. Re3 {[#]} Ra7 $1 40. Re6+ Kg7 41. Kg3 b3 42. Kg4 Nxa5 43. Ne3 Nc6 44. Kh5 $2 (44. Nf5+ {was necessary.} Kf7 45. Re3) 44... a5 $19 {[%cal Ba6a5,Ba5a4][%mdl 32]} 45. Nf5+ Kf7 46. Re3 (46. Re1 {keeps fighting.} Kf6 47. Nxh6) 46... a4 {Black is clearly winning.} 47. Kxh6 Ra5 48. g4 Re5 {aiming for ...Rxe3.} ({Weaker is} 48... a3 49. bxa3 Rxa3 50. Re2 $19) 49. Rc3 Rc5 {White must now prevent ...Rxc3.} 50. Re3 Rc2 {[%mdl 64] Double Attack. Accuracy: White = 48%, Black = 72%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.27"]
[White "Wiechert, Hans"]
[Black "Manu David Suthandram R"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2187"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,44,39,27,15,14,0,27,28,51,0,0,0,12,-210,-225,-533,-528,-528,-528,-524,-527,-522,-517]} 1. Nf3 c5 2. c4 Nc6 3. g3 Nf6 4. Bg2 e6 5. O-O d5 6. cxd5 exd5 7. d4 Be7 8. Nc3 h6 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 O-O 12. Rc1 Re8 13. Bc5 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7} (13. Nc5 Bxc5 14. Bxc5 Bg4 15. h3 Bf5 16. Nd4 Be4 17. f3 Bg6 18. Qd2 Nd7 19. Nxc6 bxc6 20. Bd4 Qc7 {1-0 (32) Stupak,K (2575)-Guliev,S (2367) Konya 2018}) 13... Bg4 14. Re1 $146 ({Predecessor:} 14. h3 Bh5 15. Re1 Bg6 16. Bxe7 Qxe7 17. a3 Rac8 18. Nc5 Ne5 19. Nxe5 Qxe5 {½-½ (27) Mira,H (2153)-Braun,G (2329) Dresden 2008}) 14... Ne4 15. Bxe7 {White has an edge.} Qxe7 16. Nc3 ({White should try} 16. Qxd5 $14 Nb4 17. Qb3) 16... Rad8 $11 17. Qd3 Qb4 18. Qb1 $2 {[#]} (18. Nxd5 $11 {and White has nothing to worry.} Qa5 19. Red1) 18... Qb6 $1 $19 19. e3 $2 {[#]} (19. Rf1 {is more resistant.}) 19... Bxf3 $1 {Black is clearly winning.} 20. Bxf3 {[%cal Rc3e4]} Nd2 $1 {[%csl LRb1,LRf3]} 21. Qf5 Ne7 22. Qg4 f5 {Accuracy: White = 25%, Black = 72%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.28"]
[White "Miller, Eduard"]
[Black "Kraich, Klaus"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2402"]
[BlackElo "2183"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,142,45,35,25,26,13,22,0,0,0,36,25,30,4,40,33,56,38,78,58,99,18,26,18,97,99,108,99,105,85,108,72,125,126,146,154,166,177,149,81,56,32,64,8,8,6,7,0,3,-7,50,30,36,11,11,11,12,0,0,-16,-17,-14,-41,-28,-39,-56,-11,-17,-17,-9,-20,-20,-8,-13,-9,-13,-2,-3,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8,14,18,68,68,67,34,52,41,59,64,100,100,100,100,108,108,108,108,108,108,108,108,108,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 d6 2. c4 g6 3. d4 Bg7 4. Nc3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg5+ f6 8. O-O-O+ {A42: Modern Defence: Averbakh Variation} Bd7 (8... Nd7 9. Be3 c6 10. f4 exf4 11. Bxf4 Bh6 12. g3 Ke7 13. Kc2 Ne5 14. h3 Be6 15. b3 Bg7 16. Bc1 Nh6 17. Ba3+ {0-1 (59) Khotenashvili,B (2453)-Sviridov,V (2556) Minsk 2019}) 9. Be3 Bh6 10. Nd5 (10. f4 {seems wilder.} exf4 11. Bd2 Nc6 12. Nd5 Ne5 13. h3) 10... Bxe3+ 11. Nxe3 Ne7 $146 ({Predecessor:} 11... Na6 12. g3 Ke8 13. Ne2 Nh6 14. f3 c6 15. h4 Ke7 {0-1 (79) Hrzica,R (2261)-Poley,V (2354) Agneaux 2006}) 12. h4 h5 13. g3 Kc8 14. f4 exf4 15. gxf4 a5 16. Nf3 Na6 17. Bd3 (17. Rg1 $16) 17... Nc5 18. Bc2 Bc6 (18... c6 $11 {keeps the balance.}) 19. Nd5 $16 Bxd5 20. exd5 Kd7 21. Rhg1 Rhg8 22. Rd2 Ke8 (22... Rab8 $142) 23. Nd4 Rd8 24. f5 {[%cal Rf5g6]} gxf5 25. Rxg8+ Nxg8 26. Bxf5 ({White should play} 26. Nxf5 Kf8 27. Ng3) 26... Ne7 27. Bh3 c6 28. Ne6 (28. dxc6 $1 $14 bxc6 29. Bg2) 28... Nxe6 $11 29. Bxe6 cxd5 30. cxd5 {[%mdl 4096] Endgame KRB-KRN} Ng6 31. d6 Nf4 ({Black should try} 31... Nxh4 $11 32. Rd5 b6) 32. Bc4 Ng6 33. Be2 Rc8+ 34. Kb1 Rc5 35. a4 {[#] Black must now prevent Bb5+.} Nxh4 36. Bb5+ Kd8 37. Re2 {[%csl Gb5][%cal Re2e8]} Re5 38. Rc2 Nf5 39. Rc7 $1 {[%cal Rc7b7]} Rd5 (39... Re6 {keeps more tension.} 40. Rxb7 Nxd6 41. Rh7 Nxb5 42. axb5 f5) 40. Rxb7 {[%cal Rb7b8]} Nxd6 41. Rd7+ Kc8 42. Bc6 Rd4 43. b3 h4 44. Ra7 f5 {next ...h3 is good for Black.} 45. Kc2 Rf4 46. Kd3 Rg4 47. Bd5 h3 48. Rh7 Ne4 {Threatening ...Ng5.} 49. Be6+ Kb8 $132 {[%mdl 2048] ...Nc5+ is the strong threat. Black has counterplay} 50. Bxf5 Nc5+ 51. Kc3 Rg3+ 52. Kc4 Nxb3 53. Bxh3 Nd2+ 54. Kb5 Rb3+ 55. Ka6 $1 Rb2 56. Bd7 Ne4 57. Bb5 Nd6 58. Kxa5 Nxb5 59. axb5 $14 {KR-KR} Rf2 {[#]} 60. Ka6 $1 {Hoping for Rh8+.} Rf8 61. Rh6 Rg8 62. Rb6+ Ka8 63. Rd6 Kb8 64. b6 Rh8 65. Kb5 (65. Rd7 $16) 65... Rg8 {The position is equal.} 66. Kc6 Rh8 67. b7 Rg8 68. Kb6 Rh8 69. Rc6 Rg8 70. Rc8+ Rxc8 71. bxc8=Q+ Kxc8 {Accuracy: White = 47%, Black = 49%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.29"]
[White "Zude, Arno"]
[Black "Sieglen, Joachim"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2372"]
[BlackElo "2187"]
[Annotator "RC"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 4. e5 {[%emt 0:00:06]} c5 {[%emt 0:00:00]} 5. a3 {[%emt 0:00:09]} Bxc3+ {[%emt 0:00:00]} 6. bxc3 {[%emt 0:00:08]} Ne7 {[%emt 0:00:00]} 7. Qg4 {[%emt 0:00:34]} cxd4 {[%emt 0:00:05]} 8. Bd3 {[%emt 0:02:14]} Qa5 {[%emt 0:00:59]} 9. Ne2 {[%emt 0:01:37]} Nbc6 {[%emt 0:03:45]} 10. O-O {[%emt 0:12:06]} dxc3 {[%emt 0:05:30]} 11. Qxg7 {[%emt 0:05:31]} Rg8 {[%emt 0:00:12]} 12. Qf6 {[%emt 0:08:25]} Ng6 {[%emt 0:15:53]} 13. Nf4 {[%emt 0:09:03]} Ncxe5 {[%emt 0:35:02]} 14. Nxg6 {[%emt 0:01:52]} Nxg6 {[%emt 0:00:07]} 15. Bg5 {[%emt 0:00:23]} Qc7 {[%emt 0:00:12]} 16. Rfe1 {[%emt 0:06:33]} Qe7 {[%emt 0:03:50]} 17. Qxe7+ {[%emt 0:08:55]} Nxe7 {[%emt 0:00:03]} 18. h4 {[%emt 0:03:24]} Ng6 {[%emt 0:00:28]} 19. h5 {[%emt 0:13:42]} Nf8 {[%emt 0:01:11]} 20. Bf6 {[%emt 0:01:06]} Bd7 {[%emt 0:00:13]} 21. f3 {[%emt 0:03:43]} a6 {[%emt 0:05:25]} 22. a4 {[%emt 0:02:14]} Bc6 {[%emt 0:02:11]} 23. Kf2 {[%emt 0:02:58]} Rc8 {[%emt 0:01:40]} 24. Ra3 {[%emt 0:03:41]} Kd7 {[%emt 0:06:05]} 25. Rb1 {[%emt 0:04:20]} Kd6 {[%emt 0:00:16]} 26. Bxc3 {[%emt 0:02:10]} e5 {[%emt 0:02:02]} 27. Bf5 {[%emt 0:02:01]} Re8 {[%emt 0:00:11]} 28. Bb4+ {[%emt 0:01:26]} Kc7 {[%emt 0:00:09]} 29. Rc3 {[%emt 0:00:47]} Nd7 {[%emt 0:05:23]} 30. Ba5+ {[%emt 0:01:26]} Kd6 {[%emt 0:00:14]} 31. Rxb7 {[%emt 0:02:06]} Bxb7 {[%emt 0:00:22]} 32. Bb4+ {[%emt 0:00:02]} Nc5 {[%emt 0:00:44]} 33. Rxc5 {[%emt 0:00:56]} Bc6 {[%emt 0:00:23]} 34. c4 {[%emt 0:02:20]} d4 {[%emt 0:04:56]} 35. Rb5+ {[%emt 0:00:53]} Kc7 {[%emt 0:00:13]} 36. Ba5+ {[%emt 0:00:06]} Kd6 {[%emt 0:00:02]} 37. Bb4+ {[%emt 0:00:44]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.30"]
[White "Ryzhkov, Vadim"]
[Black "Moehn, Hans"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2187"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,142,23,13,20,15,25,27,32,16,64,46,60,63,72,64,64,71,60,61,67,75,70,76,86,86,75,99,149,138,134,136,152,109,92,104,96,36,76,-36,56,64,65,33,28,23,28,18,33,34,30,8,16,6,106,6,12,33,46,0,0,0,0,0,0,0,0,0,227,233,210,43,36,29,36,18,26,8,8,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,-8,0,0,0,-25,0,-25,-25,-25,-25,-25,-27,-127,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 h6 {B12: Caro-Kann: Advance Variation} 7. Be2 Ne7 8. O-O Qc7 {White has an edge.} 9. a4 Bh7 10. Re1 Ng6 $146 ({Predecessor:} 10... a6 11. a5 Rc8 12. c4 dxc4 13. Bxc4 Nd5 14. Bd2 Be7 15. Rc1 O-O 16. Qe2 Qb8 17. Red1 Rce8 18. Ne1 f6 19. f4 Rf7 {½-½ (19) Poetsch,H (2395)-Turov,M (2639) Bad Wiessee 2010}) 11. h4 Be7 12. g3 O-O 13. h5 Nh8 14. Bf4 Qd8 15. Bd3 Bxd3 16. Qxd3 f5 17. exf6 Nxf6 18. Qe2 Qc8 19. Qxe6+ Qxe6 20. Rxe6 Kf7 21. Re2 Nxh5 22. Ne5+ Kg8 23. Nd7 (23. Bd2 $16) 23... Rf7 24. Rae1 (24. Bd2 $16) 24... Ng6 ({Better is} 24... Bf8 $1 $15 25. Nbc5 b6 26. Nxf8 Nxf4 27. gxf4 Raxf8) 25. Bd2 $14 {Hoping for Ne5.} Nf6 26. Ne5 Nxe5 27. dxe5 Ne4 28. Kg2 Nxd2 29. Rxd2 g5 30. Rh1 Kg7 31. Nd4 g4 (31... Re8 $11) 32. Rdd1 (32. Ne6+ $16 Kg6 33. Nf4+ Kf5 34. c4 (34. Rxh6 Bg5 $16)) 32... Kg6 33. Ne6 $36 {[%mdl 2048] Black is under pressure.} Bg5 34. Rd4 ({But not} 34. Nxg5 hxg5 35. Rde1 Re8 $15) (34. c4 $5) 34... Re8 35. Nf4+ Kf5 36. Nd3 Rc7 37. b4 a5 38. bxa5 c5 $2 (38... Ra8 $11 {and Black has nothing to worry.}) 39. Rxd5 $18 c4 {[#]} 40. Nb4 $2 ({White has to play} 40. e6+ $1 $18 Kxe6 41. Re5+ Kf7 {[#]} 42. Rxg5 $1 {[%mdl 512]} hxg5 43. Rh7+ Ke6 44. Rxc7 cxd3 45. cxd3) 40... Rxe5 $14 41. Rhd1 Rxd5 42. Rxd5+ $11 {[%mdl 4096] Endgame KRB-KRN} Ke4 43. Rb5 Bd2 {next ...Bxb4 is good for Black.} 44. a6 bxa6 45. Nxa6 Ra7 46. Nc5+ Kd4 47. Rb7 Ra5 48. Rd7+ Kxc5 49. Rxd2 {KR-KR} Kb4 (49... Rxa4 {with more complications.} 50. f3 h5 51. fxg4 hxg4 52. Rf2 Kd4) 50. f3 Kc3 51. Re2 gxf3+ 52. Kxf3 Rxa4 53. Ke4 Ra5 54. Rf2 Rg5 55. Kf4 Rd5 {aiming for ...Rd2!} 56. Ke4 {[#]} Rd2 $1 {[%mdl 512]} 57. Rf6 (57. Rf4 $1 $11) 57... Re2+ ({Of course not} 57... Kxc2 $6 58. Rxh6 Rg2 59. Kf4 $11) (57... h5 $17 58. Rf5 Re2+ 59. Kd5 Rxc2 60. Rxh5 Rd2+ 61. Ke4 Rd4+ 62. Ke3 Rd3+ 63. Kf4 Rd4+ 64. Ke3 Rg4) 58. Kd5 {The position is equal.} Rxc2 59. Rxh6 Rd2+ 60. Ke4 Rd4+ 61. Kf5 Kd3 62. g4 c3 (62... Rd5+ {feels hotter.} 63. Kf4 c3 64. Rh3+ Kd2 65. Rh2+ Kc1) 63. Rh3+ Kc4 {[#]} 64. Rxc3+ $3 {[%mdl 512]} Kxc3 {KR-KP} 65. g5 Rd5+ 66. Kf6 Kd4 67. g6 Rd6+ 68. Kf7 Rd7+ 69. Kf6 (69. Ke6 $5 {[%cal Re6d7]} Rb7 70. Kf6 $11) 69... Rd6+ 70. Kf5 Rd7 71. Kf6 Rd6+ {Accuracy: White = 52%, Black = 52%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.31"]
[White "Weber, Ulrich"]
[Black "Viebahn, Dirk"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2360"]
[BlackElo "2137"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,93,16,46,25,59,47,50,50,58,71,70,57,73,61,59,-52,-56,-107,-107,-99,-65,-75,-44,-53,-66,-60,-50,-67,-58,-49,-50,-53,50,47,58,35,40,57,52,52,43,41,44,25,54,56,50,0,452,446,421,420,451,441,638,641,518,509,415,327,335,335,835,818,1013,1002,961,937,1069,1068,29979,29980,29986,29967,29969,29966,29986,29987,29988,29988]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 O-O 6. c4 c6 7. O-O a5 8. d3 Na6 9. a3 {[%cal Ba2a3,Ba3a4][%mdl 32] A11: English Opening: 1...c6} Bf5 10. Nbd2 b5 11. Rc1 $146 {White is slightly better.} ({Predecessor:} 11. cxb5 cxb5 12. Rc1 Rc8 13. Rxc8 Qxc8 14. Qa1 Qb7 15. Rc1 Rc8 16. Be5 Bd7 17. Rxc8+ Qxc8 18. Qc3 Qxc3 19. Bxc3 b4 20. axb4 Nxb4 21. Be5 e6 22. Bc7 a4 23. bxa4 {½-½ (23) Akopian,V (2673)-Sargissian,G (2643) Yerevan 2008}) 11... b4 12. a4 Rc8 13. Rc2 Nc5 14. Qa1 Bh6 15. Rfc1 (15. cxd5 $14 cxd5 16. Rfc1) 15... Bg4 $15 16. Bd4 ({White should play} 16. Bxf6 $15 Bxf3 17. Bxf3 exf6 18. cxd5 Bxd2 19. Rxc5 Bxc1 20. Rxc1 cxd5 21. Rxc8 Qxc8 22. Bxd5) 16... Bxf3 $1 $17 17. Bxc5 Bxe2 18. Re1 Nd7 19. Bxe7 Qxe7 20. Nf3 Bg7 21. d4 dxc4 22. Rexe2 Qd6 23. Rxc4 c5 ({Better is} 23... Nb6 $1 $15 24. Rcc2 Nd5) 24. Qc1 $14 Rc7 25. Rec2 Rfc8 26. Bh3 f5 27. Bg2 Bf8 28. h4 Qf6 {With the idea ...Nb6.} 29. dxc5 Rxc5 30. Ng5 {Threatens to win with Bd5+!} h6 31. Rxc5 Nxc5 $4 {[%mdl 8192]} (31... Rxc5 $11 32. Rxc5 Nxc5 33. Bd5+ Kg7) 32. Bd5+ $18 Kh8 {[#]} 33. Ne6 $1 {[%mdl 576] Pin} Qe7 (33... Nxe6 34. Rxc8) 34. Qe3 Kh7 {[#]} (34... Bg7 $142 35. Rxc5 Rxc5 36. Qxc5 Qxc5 37. Nxc5 Be5) 35. h5 $1 {[%mdl 512]} Qd6 {intending ...Nxe6.} (35... gxh5 36. Qe5) 36. hxg6+ Kxg6 {Threatening ...Nxe6.} 37. Nf4+ Kh7 38. Kh2 Be7 $2 (38... Qf6 39. Ne6 Kh8) 39. Be6 Rf8 40. Rd2 Qc7 41. Rd5 Bd6 42. Bxf5+ Kg8 {[#]} 43. Nh5 {Played: Nf4-e6} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.32"]
[White "Meertens, Martin"]
[Black "Fiedorek, Michal"]
[Result "0-1"]
[ECO "B68"]
[WhiteElo "2186"]
[BlackElo "2343"]
[Annotator "NA"]
[PlyCount "42"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:31]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:17]} Nf6 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:14]} d6 {[%emt 0:00:12]} 6. Bg5 {[%emt 0:00:46]} e6 {[%emt 0:00:09]} 7. Qd2 {[%emt 0:00:17]} a6 {[%emt 0:00:10]} 8. O-O-O {[%emt 0:00:17]} Bd7 {[%emt 0:00:16]} 9. f4 {[%emt 0:00:25]} Be7 {[%emt 0:00:35]} 10. Nf3 {[%emt 0:06:24]} b5 {[%emt 0:00:21]} 11. Bd3 {[%emt 0:06:45]} Qa5 {[%emt 0:00:56]} 12. Kb1 {[%emt 0:04:34]} b4 {[%emt 0:01:21]} 13. Ne2 {[%emt 0:00:52]} O-O {[%emt 0:05:03]} 14. Rhe1 {[%emt 0:04:17]} Rfc8 {[%emt 0:04:25]} 15. Ned4 {[%emt 0:11:23]} Nxd4 {[%emt 0:13:41]} 16. Nxd4 {[%emt 0:00:19]} Qb6 {[%emt 0:02:39]} 17. e5 {[%emt 0:01:36]} Nd5 {[%emt 0:18:22]} 18. Bxe7 {[%emt 0:02:30]} Nxe7 {[%emt 0:00:37]} 19. exd6 {[%emt 0:06:31]} Nd5 {[%emt 0:00:11]} 20. f5 {[%emt 0:08:10]} Nc3+ {[%emt 0:03:47]} 21. bxc3 {[%emt 0:01:23]} bxc3+ {[%emt 0:04:32] Qc1} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.33"]
[White "Tonndorf, Matthias"]
[Black "Forchert, Martin"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "2171"]
[BlackElo "2335"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,78,29,24,18,20,39,65,38,30,31,27,29,29,41,30,14,26,17,0,0,0,37,35,27,22,42,26,17,22,600,577,579,547,577,356,339,327,295,0,0,-374,-368,-363,-362,-373,-368,-437,-438,-559,-580,-580,-571,-506,-377,-625,-623,-727,-708,-885,-866,-1209,-1189,-1166,-1162,-1208,-1103,-1000,-974]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 O-O {B03: Alekhine's Defence: Four Pawns Attack} 8. Nge2 (8. Be3 {keeps more tension.} Nc6 9. Nf3 Bg4 10. O-O g6 11. b3) 8... Na6 9. a3 c6 {White is slightly better.} 10. O-O Nc7 11. Qc2 $146 ({Predecessor:} 11. h3 Re8 12. b3 d5 13. c5 Nd7 14. Bf4 Nf8 15. b4 {0-1 (45) Volokitin,A (2628)-Kasimdzhanov,R (2683) Riadh 2017}) 11... g6 12. Bh6 Re8 13. f4 f5 $1 14. g4 {[%cal Rg4f5]} d5 15. b3 $36 {[%mdl 2048] Hoping for c5. Black is under pressure.} dxc4 16. bxc4 {[%cal Rg4f5]} Ne6 17. gxf5 Nxd4 18. Nxd4 Qxd4+ {[%mdl 64] Double Attack} 19. Kh1 Bf6 20. Ne4 {And now fxg6 would win.} Qxa1 $4 {[%mdl 8192]} (20... c5 $11) 21. Rxa1 $18 Bxa1 22. fxg6 hxg6 23. Ng5 Re1+ 24. Kg2 Bg4 {[#]} 25. c5 $2 (25. Kg3 $1 $18 Bd1 26. Qb1 Re3+ {[#]} 27. Kh4 $1 {[%mdl 512]}) 25... Nd5 $11 26. Bc4 $2 {[%mdl 8192] [#]} (26. Qb3 $11 Bd4 27. h3) 26... Re2+ $1 $19 {[%mdl 512]} 27. Bxe2 Ne3+ {[%mdl 64] Double Attack} 28. Kg3 Nxc2 29. Bxg4 Nd4 30. Ne4 Nf5+ 31. Bxf5 gxf5 {[%mdl 4096] Endgame KRB-KBN} 32. Nd6 Bd4 33. Nxf5 $2 (33. Nxb7 Rb8 34. Na5) 33... Bxc5 {Black is clearly winning.} 34. h4 Bxa3 35. h5 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 36. Kg4 a4 37. Bg7 Bf8 38. Ba1 a3 39. Nd4 Bg7 {Accuracy: White = 43%, Black = 74%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.34"]
[White "Schaefer, Michael"]
[Black "Koepke, Christian"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2160"]
[BlackElo "2332"]
[Annotator "NA RC"]
[PlyCount "62"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:11]} 2. g3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:15]} 3. Bg2 {[%emt 0:00:05]} Nf6 {[%emt 0:00:20]} 4. Nc3 {[%emt 0:00:11]} O-O {[%emt 0:00:26]} 5. Nf3 {[%emt 0:00:06]} d6 {[%emt 0:00:14]} 6. O-O {[%emt 0:00:52]} a6 {[%emt 0:00:52]} 7. d3 {[%emt 0:01:57]} c6 {[%emt 0:00:53]} 8. Rb1 {[%emt 0:01:59]} b5 {[%emt 0:02:15]} 9. e4 {[%emt 0:07:05]} Nbd7 {[%emt 0:19:38]} 10. Qc2 {[%emt 0:18:58]} e5 {[%emt 0:03:12]} 11. h3 {[%emt 0:02:13]} Bb7 {[%emt 0:01:48]} 12. b4 {[%emt 0:06:47]} Re8 {[%emt 0:04:14]} 13. a4 {[%emt 0:01:06]} Rc8 {[%emt 0:08:18]} 14. Re1 {[%emt 0:06:23]} bxc4 {[%emt 0:20:33]} 15. dxc4 {[%emt 0:00:17]} d5 {[%emt 0:00:30]} 16. c5 {[%emt 0:08:46]} a5 {[%emt 0:06:24]} 17. bxa5 {[%emt 0:01:18]} Ba8 {[%emt 0:04:42]} 18. Ba3 {[%emt 0:15:12]} Qxa5 {[%emt 0:00:18]} 19. Bb4 {[%emt 0:00:38]} Qd8 {[%emt 0:09:36]} 20. Nd2 {[%emt 0:00:54]} Bf8 {[%emt 0:02:12]} 21. Nb3 {[%emt 0:03:13]} Rb8 {[%emt 0:05:09]} 22. Ba3 {[%emt 0:01:11]} Bb7 {[%emt 0:00:47]} 23. a5 {[%emt 0:01:16]} Ba6 {[%emt 0:00:48]} 24. Na4 {[%emt 0:06:24]} Nxe4 {[%emt 0:01:37]} 25. Rxe4 {[%emt 0:03:54]} dxe4 {[%emt 0:00:02]} 26. Bxe4 {[%emt 0:00:22]} Rxb3 {[%emt 0:03:05]} 27. Qxb3 {[%emt 0:00:40]} Bb5 {[%emt 0:03:13]} 28. Rd1 {[%emt 0:01:32]} Qc7 {[%emt 0:01:00]} 29. Nb6 {[%emt 0:00:16]} Nf6 {[%emt 0:01:12]} 30. Bd3 {[%emt 0:00:56]} Bxd3 {[%emt 0:00:40]} 31. Qxd3 {[%emt 0:00:32]} e4 {[%emt 0:00:00]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.35"]
[White "Renner, Kai"]
[Black "Guttenthaler, Franz"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2153"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,33,49,56,40,51,56,47,55,40,37,48,50,65,43,94,92,110,107,141,134,129,133,131,134,158,56]} 1. e4 e6 2. d4 d5 3. Nd2 f5 4. exf5 exf5 5. Bd3 Nf6 6. Ndf3 {C03: French Tarrasch: Unusual Black 3rd moves} Bd6 7. Ne2 O-O (7... c6 8. Bf4 O-O 9. O-O Qc7 10. Bxd6 Qxd6 11. Qd2 Ne4 12. Qf4 Qb4 13. a3 Qe7 {1-0 (92) Bezgodov,A (2482)-Akbaev,K (2475) Khanty-Mansiysk 2013}) 8. O-O {White is slightly better.} Ne4 9. c4 dxc4 10. Bxc4+ Kh8 11. Nc3 Nxc3 ({Black should play} 11... Nc6 $14) 12. bxc3 $16 Qf6 $146 ({Predecessor:} 12... h6 13. Ne5 Qf6 {0-1 (38) Pelto,J (2080)-Levomaki,R Finland 2017}) 13. Ng5 Qg6 {[#]} 14. Qb3 $1 {Threatens to win with Nf7+.} h6 15. Nf7+ Kh7 16. Nxd6 cxd6 17. Qd1 {Accuracy: White = 53%, Black = 53%.} (17. Re1 $16) 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.36"]
[White "Ramaraju, N."]
[Black "Nasshan, Dennis"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2139"]
[BlackElo "2306"]
[Annotator "NA"]
[PlyCount "46"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:01:07]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:01:05]} d5 {[%emt 0:00:00]} 4. cxd5 {[%emt 0:00:34]} exd5 {[%emt 0:00:00]} 5. Bg5 {[%emt 0:00:02]} Be7 {[%emt 0:00:09]} 6. e3 {[%emt 0:00:04]} c6 {[%emt 0:00:01]} 7. Bd3 {[%emt 0:00:36]} Nbd7 {[%emt 0:00:02]} 8. Qc2 {[%emt 0:00:36]} h6 {[%emt 0:00:01]} 9. Bh4 {[%emt 0:00:01]} Nh5 {[%emt 0:00:10]} 10. Bxe7 {[%emt 0:00:23]} Qxe7 {[%emt 0:00:03]} 11. Nge2 {[%emt 0:00:16]} Nb6 {[%emt 0:00:03]} 12. O-O {[%emt 0:01:00]} O-O {[%emt 0:00:38]} 13. Ng3 {[%emt 0:00:58]} Nxg3 {[%emt 0:02:28]} 14. hxg3 {[%emt 0:00:02]} Bd7 {[%emt 0:00:35]} 15. a3 {[%emt 0:05:24]} a5 {[%emt 0:00:18]} 16. Qb3 {[%emt 0:00:56]} Qd8 {[%emt 0:01:53]} 17. Na4 {[%emt 0:00:01]} Nxa4 {[%emt 0:01:59]} 18. Qxa4 {[%emt 0:00:02]} h5 {[%emt 0:03:58]} 19. Qd1 {[%emt 0:04:10]} g6 {[%emt 0:01:00]} 20. Qf3 {[%emt 0:00:13]} Bg4 {[%emt 0:01:10]} 21. Qf4 {[%emt 0:23:41]} g5 {[%emt 0:00:21]} 22. Qxg4 {[%emt 0:00:04]} hxg4 {[%emt 0:00:02]} 23. Bf5 {[%emt 0:00:01]} Kg7 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.37"]
[White "Seifert, Volker"]
[Black "Kastek, Thomas"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2300"]
[BlackElo "2129"]
[Annotator "RC"]
[PlyCount "115"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:08]} Bb4 {[%emt 0:00:00]} 4. Qc2 {[%emt 0:01:18]} O-O {[%emt 0:00:27]} 5. a3 {[%emt 0:01:49]} Bxc3+ {[%emt 0:00:15]} 6. Qxc3 {[%emt 0:00:04]} d5 {[%emt 0:00:10]} 7. Bg5 {[%emt 0:01:57]} dxc4 {[%emt 0:00:40]} 8. Qxc4 {[%emt 0:04:09]} b6 {[%emt 0:00:11]} 9. Nf3 {[%emt 0:00:50]} Ba6 {[%emt 0:00:20]} 10. Qa4 {[%emt 0:06:08]} Qd7 {[%emt 0:06:03]} 11. Qxd7 {[%emt 0:04:55]} Nbxd7 {[%emt 0:00:23]} 12. e3 {[%emt 0:03:01]} Bxf1 {[%emt 0:02:07]} 13. Rxf1 {[%emt 0:00:14]} c5 {[%emt 0:05:35]} 14. Bxf6 {[%emt 0:04:05]} gxf6 {[%emt 0:03:28]} 15. Ke2 {[%emt 0:01:33]} Rac8 {[%emt 0:07:23]} 16. Rac1 {[%emt 0:03:02]} Kg7 {[%emt 0:07:44]} 17. Rfd1 {[%emt 0:04:33]} cxd4 {[%emt 0:14:19]} 18. Nxd4 {[%emt 0:01:34]} Nc5 {[%emt 0:01:53]} 19. Rc2 {[%emt 0:03:36]} Ne4 {[%emt 0:07:14]} 20. Rxc8 {[%emt 0:19:15]} Rxc8 {[%emt 0:00:21]} 21. f3 {[%emt 0:00:06]} Nc5 {[%emt 0:02:55]} 22. Rc1 {[%emt 0:00:14]} Rc7 {[%emt 0:15:38]} 23. b4 {[%emt 0:04:54]} Na6 {[%emt 0:00:14]} 24. Rd1 {[%emt 0:00:14]} Nb8 {[%emt 0:07:06]} 25. b5 {[%emt 0:02:16]} Kf8 {[%emt 0:04:31]} 26. Nxe6+ {[%emt 0:05:26]} fxe6 {[%emt 0:00:08]} 27. Rd8+ {[%emt 0:00:04]} Ke7 {[%emt 0:00:28]} 28. Rxb8 {[%emt 0:00:04]} Kd6 {[%emt 0:00:39]} 29. Rd8+ {[%emt 0:08:57]} Kc5 {[%emt 0:01:28]} 30. a4 {[%emt 0:01:26]} e5 {[%emt 0:04:31]} 31. Rg8 {[%emt 0:00:59]} h5 {[%emt 0:03:08]} 32. g4 {[%emt 0:02:02]} Kb4 {[%emt 0:00:40]} 33. h4 {[%emt 0:08:54]} Kxa4 {[%emt 0:01:05]} 34. g5 {[%emt 0:00:13]} Kxb5 {[%emt 0:02:18]} 35. Re8 {[%emt 0:01:41]} Rf7 {[%emt 0:02:17]} 36. Re6 {[%emt 0:02:22]} a5 {[%emt 0:01:27]} 37. Rxf6 {[%emt 0:00:56]} Re7 {[%emt 0:00:09]} 38. g6 {[%emt 0:02:09]} Rg7 {[%emt 0:00:52]} 39. f4 {[%emt 0:01:27]} a4 {[%emt 0:00:24]} 40. f5 {[%emt 0:01:18]} a3 {[%emt 0:00:13]} 41. Rd6 {[%emt 0:03:39]} a2 {[%emt 0:04:31]} 42. Rd1 {[%emt 0:00:04]} Kc4 {[%emt 0:00:35]} 43. Rf1 {[%emt 0:04:23]} e4 {[%emt 0:06:23]} 44. Kd2 {[%emt 0:09:58]} Kb3 {[%emt 0:01:00]} 45. Ra1 {[%emt 0:01:22]} b5 {[%emt 0:15:39]} 46. Rxa2 {[%emt 0:00:12]} Kxa2 {[%emt 0:00:06]} 47. Kc3 {[%emt 0:00:03]} Ka3 {[%emt 0:00:13]} 48. Kd4 {[%emt 0:00:06]} b4 {[%emt 0:00:23]} 49. Ke5 {[%emt 0:00:04]} b3 {[%emt 0:00:21]} 50. f6 {[%emt 0:00:55]} Rxg6 {[%emt 0:02:33]} 51. f7 {[%emt 0:00:03]} Ra6 {[%emt 0:01:59]} 52. f8=Q+ {[%emt 0:00:06]} Ka2 {[%emt 0:00:17]} 53. Qb4 {[%emt 0:03:03]} Ra3 {[%emt 0:00:55]} 54. Qc4 {[%emt 0:02:24]} Ka1 {[%emt 0:00:29]} 55. Qc3+ {[%emt 0:02:32]} Ka2 {[%emt 0:00:08]} 56. Qc4 {[%emt 0:00:10]} Ka1 {[%emt 0:00:10]} 57. Qc1+ {[%emt 0:01:10]} Ka2 {[%emt 0:00:13]} 58. Qc4 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.38"]
[White "Tillmann, Markus"]
[Black "Wacker, Peter"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2136"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "193"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,193,24,50,36,44,0,21,8,12,10,15,14,16,0,0,0,32,50,70,58,64,63,76,75,82,81,79,88,85,82,81,92,99,94,95,89,83,0,0,0,0,0,15,0,0,0,0,2,0,7,7,0,0,0,0,0,0,0,0,0,0,0,25,6,91,0,0,0,0,-9,0,-25,-21,-52,-12,-17,-17,-37,-16,-14,-15,-16,-15,-25,-25,-25,-18,-23,-21,-38,-12,-16,-12,-14,0,-30,-30,-38,-30,-55,-44,-43,-40,-84,0,-51,-16,-167,-50,-126,-58,-59,-60,-72,-29,-58,-58,-57,-22,-95,-8,-8,-8,-33,-27,-56,-22,-22,-22,-88,-22,-23,0,-88,-28,-28,-28,-29,-29,-29,-29,-88,0,-36,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,-8,-8,-8,-8,-8,-8,0,-520,-8,-520,-8,-72,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. Nf3 c5 (5... Nbd7 6. g3 b6 7. Bg2 Bb7 8. O-O O-O 9. Rd1 Bxc3 10. Qxc3 a6 11. b3 b5 12. c5 Be4 13. Qa5 Nb8 14. Bg5 {½-½ (31) Wojtaszek,R (2727)-Sargissian,G (2691) Batumi 2018}) 6. dxc5 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} dxc5 7. e3 O-O 8. Bd3 Nc6 9. O-O Bxc3 10. Qxc3 e5 11. Bc2 $146 ({Predecessor:} 11. Nd2 Qe7 12. Ne4 Bf5 13. Nxf6+ Qxf6 {0-1 (21) Averbakh,Y-Kholmov,R Riga 1970}) 11... e4 12. Ne5 Qd6 13. Nxc6 Qxc6 14. b3 Rd8 15. Bb2 Bg4 16. h3 Bh5 17. g4 Bg6 18. Rad1 Ne8 19. Rd2 h5 20. Rfd1 Rxd2 21. Qxd2 hxg4 22. hxg4 Nf6 23. Qd6 (23. Bxf6 $1 $16 Qxf6 24. Qd7) 23... Qxd6 $11 24. Rxd6 Nxg4 25. Rd7 b6 26. a3 Nf6 27. Rb7 Rd8 28. Bc3 Rd7 29. Rb8+ $1 Kh7 30. b4 cxb4 31. axb4 Rc7 32. Bb3 $1 Ng4 33. Bd4 f6 34. c5 bxc5 $1 35. bxc5 Bf7 36. Bc2 Bg6 (36... Bd5 $1 $11) 37. Kg2 (37. Ba4 $1 $16) 37... Ne5 38. Rb5 Nd3 {...Ne1+ is the strong threat.} 39. Kg3 Kh6 40. Bxd3 exd3 {[%mdl 4096] Endgame KRB-KRB} 41. Rb2 Be8 42. e4 Ba4 43. Kf4 a6 44. Ke3 Bb5 45. f3 Kg6 46. Kf4 Kf7 47. Ke3 Rc8 48. Rh2 Ke6 49. Kd2 Rb8 50. Bc3 Bc4 51. Ke3 Rb3 52. Kd4 Bb5 53. f4 Ra3 54. Bb2 Ra4+ 55. Ke3 Ra2 56. Rd2 Ra4 (56... g5 $17) 57. Bd4 ({Better is} 57. Rh2 $11) 57... Rb4 58. e5 $2 (58. f5+ $11 Kf7 59. Bc3) 58... Rb1 (58... fxe5 $19 59. Bxe5 g5 $1 {[%mdl 512]}) 59. Rg2 (59. exf6 $15 gxf6 60. f5+ Ke7 61. Rf2) 59... Kf5 (59... Re1+ $17 60. Kd2 Re4 61. exf6 gxf6 62. f5+ {[%mdl 64] Decoy} Kxf5 63. Rf2+ Kg4) 60. Bc3 $15 Rc1 61. Kd4 g6 62. exf6 Kxf6 63. Bb2 Re1 64. Bc3 (64. Kd5+ $11 Ke7 65. c6) 64... Re8 (64... Re2 $17 65. Rxe2 dxe2) 65. Kd5+ $11 Kf7 66. Ba5 Re6 {Threatens to win with ...Bc6+.} 67. Rf2 Re2 68. Rxe2 dxe2 {KB-KB} 69. Ke5 (69. c6 $11) 69... Bd3 (69... Ke7 $17) 70. Bb4 Bb5 71. Bc3 (71. Ba5 $11) 71... Bd7 (71... Ke7 $17) 72. Kd6 Bf5 73. Ke5 Bg4 74. Kd6 Bf3 75. Ke5 (75. Kd7 $11 {keeps the balance.}) 75... Bg4 (75... Ke7 $17) 76. Kd6 $15 Kg8 77. Ke7 Kh7 78. Kf6 $1 Kh6 79. Bd2 $1 Kh5 (79... Bf5 $5) 80. c6 Bc8 81. c7 Bf5 82. Kg7 Kg4 83. c8=Q Bxc8 84. Kxg6 Kf3 {next ...Ke4 is good for Black.} 85. Kf6 $2 {[%mdl 8192]} (85. f5 $11 {and White stays safe.}) 85... Ke4 $2 (85... Kf2 $19 86. Bb4 Bg4) 86. Ke7 $2 {[%mdl 8192]} (86. Kg5 $11) 86... Kd5 $2 ({Black should play} 86... Kd3 $19 87. Be1 Kc4) 87. Kd8 {[#]} (87. Kf6 $11) 87... Bg4 (87... Bh3 $1 $17 {Black wants to play ...Kd6.} 88. Ke7 Bc8) 88. Ke7 $11 {The position is equal.} Bh3 {Hoping for ...Be6.} 89. Kf6 Kd4 {White must now prevent ...Bc8.} 90. Be1 Kd3 {With the idea ...Ke4.} (90... Bd7 {keeps more tension.} 91. Kg5 Ke4 92. Bc3 Kd3 93. Ba5 Kc2) 91. Ke5 Bg2 92. f5 Kc4 93. Kf4 Kd4 94. Kg3 Bd5 95. Kf2 Bc4 96. f6 Kd3 97. Ba5 {Accuracy: White = 50%, Black = 38%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.39"]
[White "Pollmann, Sascha"]
[Black "Santagati, Alessandro"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2126"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,56,13,24,0,0,0,-6,-13,11,-21,-5,-44,-33,-32,-39,-113,-106,-102,-108,-153,-146,-140,-112,-121,-107,-100,-83,-145,-137,-178,-126,-131,-125,-506,-501,-517,-501,-508,-239]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 Nbd7 11. Bg5 $146 {E05: Open Catalan: 5 Nf3 Be7} ({Predecessor:} 11. Nc3 b5 12. Qh4 Bb7 13. axb5 axb5 14. Rxa8 Qxa8 15. Nxb5 Ne5 16. Nxe5 Bxg2 17. Rd1 Bh1 18. Qh3 Qb8 19. Kxh1 Qxe5 {½-½ (19) Gledura,B (2621)-Bruzon Batista,L (2653) Saint Louis 2018}) 11... b5 12. Qc2 Bb7 13. axb5 {The position is equal.} Qc7 14. Nc3 axb5 {Strongly threatening ...b4.} 15. Bxf6 {Hoping for Bh4.} Nxf6 16. e3 {[#]} Rxa1 {Played: Bc5xe3} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.40"]
[White "Kaiser, Elmar"]
[Black "Koelle, Tobias"]
[Result "1/2-1/2"]
[ECO "C83"]
[WhiteElo "2131"]
[BlackElo "2281"]
[Annotator "RC"]
[PlyCount "202"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:46]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:18]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:19]} a6 {[%emt 0:00:00]} 4. Ba4 {[%emt 0:00:22]} Nf6 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:13]} Nxe4 {[%emt 0:00:31]} 6. d4 {[%emt 0:00:51]} b5 {[%emt 0:00:07]} 7. Bb3 {[%emt 0:00:07]} d5 {[%emt 0:00:04]} 8. dxe5 {[%emt 0:00:17]} Be6 {[%emt 0:00:07]} 9. Nbd2 {[%emt 0:03:18]} Be7 {[%emt 0:01:30]} 10. c3 {[%emt 0:00:31]} O-O {[%emt 0:00:20]} 11. Qe2 {[%emt 0:09:28]} Nxd2 {[%emt 0:03:30]} 12. Bxd2 {[%emt 0:00:55]} Na5 {[%emt 0:13:37]} 13. Nd4 {[%emt 0:04:44]} Nxb3 {[%emt 0:07:13]} 14. Nc6 {[%emt 0:03:26]} Qd7 {[%emt 0:00:31]} 15. Nxe7+ {[%emt 0:00:07]} Qxe7 {[%emt 0:00:06]} 16. axb3 {[%emt 0:00:03]} c5 {[%emt 0:02:11]} 17. Qh5 {[%emt 0:10:12]} Qd7 {[%emt 0:09:09]} 18. h3 {[%emt 0:04:53]} d4 {[%emt 0:08:42]} 19. b4 {[%emt 0:10:43]} cxb4 {[%emt 0:00:41]} 20. cxb4 {[%emt 0:00:21]} Rfc8 {[%emt 0:01:52]} 21. Rfc1 {[%emt 0:02:45]} Rc4 {[%emt 0:01:39]} 22. Qf3 {[%emt 0:01:14]} Bd5 {[%emt 0:08:34]} 23. Qg3 {[%emt 0:00:47]} Qe6 {[%emt 0:08:05]} 24. b3 {[%emt 0:12:59]} Rxc1+ {[%emt 0:00:40]} 25. Rxc1 {[%emt 0:00:06]} Bxb3 {[%emt 0:01:35]} 26. Rc5 {[%emt 0:02:46]} Bc4 {[%emt 0:05:21]} 27. Qg4 {[%emt 0:05:05]} Qxg4 {[%emt 0:01:46]} 28. hxg4 {[%emt 0:01:46]} h6 {[%emt 0:00:21]} 29. f4 {[%emt 0:04:48]} Be2 {[%emt 0:01:09]} 30. Kf2 {[%emt 0:03:23]} Bxg4 {[%emt 0:00:20]} 31. Rd5 {[%emt 0:00:18]} Rc8 {[%emt 0:02:54]} 32. Rxd4 {[%emt 0:00:17]} Rc2 {[%emt 0:03:20]} 33. Ke3 {[%emt 0:05:27]} Bf5 {[%emt 0:01:26]} 34. Rd6 {[%emt 0:00:54]} Ra2 {[%emt 0:00:40]} 35. Rc6 {[%emt 0:00:16]} Ra1 {[%emt 0:01:06]} 36. Rc1 {[%emt 0:00:23]} Ra3+ {[%emt 0:00:36]} 37. Rc3 {[%emt 0:00:14]} Ra2 {[%emt 0:00:43]} 38. g3 {[%emt 0:03:20]} Kh7 {[%emt 0:02:08]} 39. Rc6 {[%emt 0:01:08]} Be6 {[%emt 0:02:12]} 40. Rc1 {[%emt 0:00:36]} Kg6 {[%emt 0:00:21]} 41. Bc3 {[%emt 0:09:45]} h5 {[%emt 0:03:35]} 42. Ra1 {[%emt 0:01:40]} Rxa1 {[%emt 0:01:00]} 43. Bxa1 {[%emt 0:01:08]} Kf5 {[%emt 0:00:07]} 44. Bc3 {[%emt 0:00:19]} Kg4 {[%emt 0:01:38]} 45. Be1 {[%emt 0:09:28]} Bd5 {[%emt 0:00:34]} 46. Bf2 {[%emt 0:00:52]} Bb7 {[%emt 0:01:29]} 47. Be1 {[%emt 0:00:11]} g6 {[%emt 0:00:12]} 48. Kf2 {[%emt 0:01:34]} h4 {[%emt 0:00:10]} 49. gxh4 {[%emt 0:01:36]} Kxf4 {[%emt 0:00:07]} 50. Bc3 {[%emt 0:01:28]} Kg4 {[%emt 0:00:28]} 51. Bd4 {[%emt 0:04:24]} Kxh4 {[%emt 0:00:19]} 52. Bb6 {[%emt 0:00:21]} Kg4 {[%emt 0:00:21]} 53. Bc7 {[%emt 0:02:28]} Bd5 {[%emt 0:00:21]} 54. Bd8 {[%emt 0:01:03]} Kf4 {[%emt 0:00:15]} 55. Bc7 {[%emt 0:00:06]} Be6 {[%emt 0:00:08]} 56. Bd6 {[%emt 0:01:12]} g5 {[%emt 0:00:06]} 57. Bc7 {[%emt 0:00:22]} g4 {[%emt 0:00:04]} 58. Bd6 {[%emt 0:00:50]} g3+ {[%emt 0:12:45]} 59. Kg2 {[%emt 0:00:47]} Bd5+ {[%emt 0:00:53]} 60. Kg1 {[%emt 0:00:10]} Kf3 {[%emt 0:00:28]} 61. Bc7 {[%emt 0:00:20]} Kg4 {[%emt 0:02:25]} 62. Kf1 {[%emt 0:01:17]} Kf5 {[%emt 0:01:01]} 63. Kg1 {[%emt 0:00:10]} Ke6 {[%emt 0:01:27]} 64. Kf1 {[%emt 0:00:36]} Kd7 {[%emt 0:00:56]} 65. Bb6 {[%emt 0:00:30]} Kc6 {[%emt 0:00:32]} 66. Ba5 {[%emt 0:00:18]} Be4 {[%emt 0:00:24]} 67. Kg1 {[%emt 0:00:21]} Bf3 {[%emt 0:00:25]} 68. Bd8 {[%emt 0:00:31]} Kd5 {[%emt 0:00:59]} 69. Bc7 {[%emt 0:00:06]} Ke4 {[%emt 0:00:24]} 70. Kf1 {[%emt 0:00:39]} Kd3 {[%emt 0:01:01]} 71. Ba5 {[%emt 0:00:22]} Kc4 {[%emt 0:00:50]} 72. Kg1 {[%emt 0:00:05]} Kd5 {[%emt 0:00:43]} 73. Bc7 {[%emt 0:00:08]} Ke6 {[%emt 0:00:09]} 74. Kf1 {[%emt 0:00:07]} Bc6 {[%emt 0:02:03]} 75. Kg1 {[%emt 0:00:09]} Ba8 {[%emt 0:00:30]} 76. Kf1 {[%emt 0:00:07]} Kf5 {[%emt 0:00:04]} 77. Kg1 {[%emt 0:00:05]} Kg4 {[%emt 0:00:02]} 78. Ba5 {[%emt 0:00:45]} Kf3 {[%emt 0:00:21]} 79. Bb6 {[%emt 0:00:23]} Kg4 {[%emt 0:00:52]} 80. Ba5 {[%emt 0:00:14]} Kh3 {[%emt 0:00:04]} 81. Bb6 {[%emt 0:00:17]} Be4 {[%emt 0:00:36]} 82. Ba5 {[%emt 0:00:11]} Kg4 {[%emt 0:00:05]} 83. Bb6 {[%emt 0:00:20]} Kf3 {[%emt 0:00:04]} 84. Ba5 {[%emt 0:00:24]} Bf5 {[%emt 0:00:03]} 85. Bb6 {[%emt 0:00:18]} Bh3 {[%emt 0:00:04]} 86. Ba5 {[%emt 0:00:20]} Ke4 {[%emt 0:00:43]} 87. Bc7 {[%emt 0:00:24]} Kd4 {[%emt 0:00:06]} 88. Kh1 {[%emt 0:00:06]} Ke3 {[%emt 0:00:58]} 89. Kg1 {[%emt 0:00:04]} g2 {[%emt 0:00:13]} 90. Bb6+ {[%emt 0:00:24]} Kf3 {[%emt 0:00:20]} 91. Ba5 {[%emt 0:00:05]} Bc8 {[%emt 0:00:07]} 92. Bb6 {[%emt 0:00:03]} Bb7 {[%emt 0:00:04]} 93. Bc7 {[%emt 0:00:29]} Kg4 {[%emt 0:00:09]} 94. Kf2 {[%emt 0:00:25]} Kf5 {[%emt 0:00:13]} 95. Kg1 {[%emt 0:00:04]} a5 {[%emt 0:00:06]} 96. Bxa5 {[%emt 0:00:04]} Kxe5 {[%emt 0:00:05]} 97. Bb6 {[%emt 0:00:07]} f5 {[%emt 0:00:05]} 98. Ba7 {[%emt 0:00:38]} Kf4 {[%emt 0:00:05]} 99. Bb6 {[%emt 0:00:08]} Kg3 {[%emt 0:00:06]} 100. Ba7 {[%emt 0:00:09]} f4 {[%emt 0:00:08]} 101. Bb6 {[%emt 0:00:06]} f3 {[%emt 0:00:11]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.41"]
[White "De Ruijter, Luuk"]
[Black "Kugelmann, Werner"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2214"]
[BlackElo "2045"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,79,47,81,41,81,34,73,70,100,79,100,112,198,202,188,172,242,216,231,216,227,214,225,231,336,334,348,353,356,339,394,339,326,299,367,352,402,337,342,344,425,281,29970,29971,6537,5900,29978,29979,29984,29983,29983,29980]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 a6 8. a4 e6 9. Nge2 h6 10. Be3 exd5 11. cxd5 Nbd7 12. Ng3 h5 13. Be2 Rb8 14. O-O Re8 15. Qd2 Ne5 16. Nh1 {A65: Modern Benoni: 6 e4} (16. Bg5 Qa5 17. f4 Ned7 18. Kh1 Nh7 19. Bh4 Qb4 20. Bxh5 gxh5 21. Nxh5 Ndf6 22. Nxg7 Kxg7 23. Bxf6+ Nxf6 {½-½ (59) Del Rio de Angelis,S (2471)-Perez Mitjans,O (2496) Roquetas de Mar 2013}) 16... Qc7 17. Nf2 Bd7 $146 ({Predecessor:} 17... Qa5 18. Rfc1 Qb4 19. a5 b5 20. axb6 {½-½ (67) Menadue,J (2165)-Sverrisson,N (1919) Penarth 2011}) 18. a5 {White is better.} Bc8 19. Rfc1 b5 20. axb6 $1 {[%mdl 64] Discovered Attack} Qxb6 {[#]} (20... Rxb6 $16 21. Ncd1 Qd7) 21. b4 $1 $18 {[%mdl 512]} Ned7 (21... Qxb4 22. Rab1) 22. bxc5 dxc5 (22... Nxc5 $142 23. Na4 Qb4) 23. Nd3 Qd8 24. Nxc5 Nxc5 25. Bxc5 Nd7 26. Bd4 Ne5 (26... Rb2 $142 27. Qxb2 Bxd4+ 28. Kh1 Be5) 27. f4 ({Weaker is} 27. Bxa6 Bxa6 28. Rxa6 Nxf3+ 29. gxf3 Bxd4+ 30. Kh1 Be5 $14) 27... Ng4 28. Bxg7 Kxg7 29. Qd4+ Kg8 30. Bxg4 hxg4 31. e5 Bf5 32. Rxa6 Rb3 33. Ne4 Bxe4 34. Qxe4 Kg7 35. Rcc6 Qb8 $2 {[#]} (35... Rb7 $18 36. e6 Qh4) 36. Rxg6+ $1 {[%mdl 512]} Kf8 (36... fxg6 37. Rxg6+) 37. Rh6 Rb1+ 38. Kf2 {White mates.} Qb3 39. Rh8+ Ke7 40. Rxe8+ {Accuracy: White = 68%, Black = 18%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.42"]
[White "Buchal, Stephan"]
[Black "Juergens, Klaus"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2274"]
[BlackElo "2121"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,41,20,0,0,0,0,0,20,31,56,58,58,51,57,32,34,17,29,9,29,0,14,4,16,22,16,4,365,351]} 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O e5 8. d3 Re8 {A15: English Opening: 1...Nf6} 9. Nbd2 c6 10. Qc2 (10. Ne4 Nxe4 11. dxe4 Nc5 12. Qc2 f5 13. Nd2 f4 14. Rad1 Qe7 15. b4 Ne6 16. Nf3 c5 17. bxc5 Nxc5 18. Rd2 Bd7 19. Ba3 Bc6 20. Bxc5 dxc5 {½-½ (37) Caruana,F (2799)-Grischuk,A (2782) Saint Louis 2017}) 10... Nc5 {The position is equal.} 11. b4 e4 $146 ({Predecessor:} 11... Ne6 12. Nb3 {0-1 (32) Mancebo Marrero,P (2205)-Quesada Chow,I (2131) Havana 2011}) 12. bxc5 {[%cal Rd3e4]} exf3 13. Bxf3 dxc5 14. Nb3 Bh3 15. Rfd1 Qe7 16. Rab1 Rac8 17. Qd2 b6 18. a4 Ng4 19. Bxg7 Kxg7 20. d4 cxd4 $2 {[%mdl 8192] [#]} (20... Red8 $11 {and Black stays safe.}) 21. Bxg4 $1 {Accuracy: White = 41%, Black = 38%.} ({Inferior is} 21. Qxd4+ Ne5 $11) 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.43"]
[White "Seemann, Jakub"]
[Black "Raupp, Thomas"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "1967"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,-18,19,0,0,-17,19,0,-6,-3,-10,-8,3,0,0,0,14,0,18,7,5,-15,-15,-21,-22,-19,-9,-106,-10,-50,-37,-81,-64,-81,-89,-104,-116,-687,-680,-720,-720,-720,-720,-692]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. Be3 Nf6 8. O-O b5 9. a3 Bb7 10. f4 d6 (10... Bc5 $5 {[%cal Rc7b6]} 11. Bf3 Qb6 $15) 11. Nxc6 {B49: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 7 Be2} (11. Nb3 {keeps more tension.} Be7 12. Bd3 O-O 13. Qf3 Rac8 14. g4) (11. Bf3 Be7 12. f5 Nxd4 13. Qxd4 O-O 14. fxe6 fxe6 15. Rad1 Nd7 16. Bg4 Nc5 17. b4 e5 18. Nd5 Rxf1+ 19. Rxf1 {1-0 (63) Savchenko,B (2602)-Dubov,D (2624) Moscow 2013}) 11... Bxc6 12. Bf3 Rc8 13. Qe2 {The position is equal.} Be7 14. Rad1 O-O 15. g4 {[#]} Rfe8 $146 ({Predecessor:} 15... Qb7 16. Qg2 a5 17. g5 Nd7 18. Nd5 Bd8 {0-1 (62) Abdullayev,A (2006)-Malakhatko,V (2518) Cesme 2017}) 16. g5 Nd7 17. Qg2 Bf8 18. Ne2 Bb7 19. c3 Nb6 20. Qf2 Nc4 21. Bc1 e5 22. b3 Na5 23. Bg4 (23. b4 $1 $11 {was the only way to keep the balance.} Nc4 24. f5) 23... Bxe4 (23... Nxb3 $17 24. Bxc8 Rxc8) 24. Bxc8 Rxc8 25. b4 Nc4 26. fxe5 Nxe5 {aiming for ...Nf3+.} 27. Qe3 Ba8 {[%mdl 1024] Black has strong compensation.} 28. Nd4 $2 {[%mdl 8192]} (28. Qh3 $17) 28... Qb7 $19 {[%csl Ga8][%cal Rb7g2] Black is clearly winning.} 29. Rd2 Qh1+ 30. Kf2 Ng4+ {[%mdl 64] [#] Double Attack} 31. Ke1 {Accuracy: White = 16%, Black = 63%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.01"]
[Round "7.44"]
[White "Nebolsina, Vera"]
[Black "Karpa, Adrian"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2252"]
[BlackElo "2087"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,6,12,5,13,16,22,11,33,42,36,45,33,14,24,14,10,6,82,74,56,37,78,76,128,107,119,111,122,90,114,107,94,99,102,102,86,114,138,134,205,186,510,489]} 1. e4 c5 2. Nc3 g6 3. Bc4 Bg7 4. d3 (4. Qf3 e6 5. Nb5 d6 6. Qg3 Ke7 7. d3 a6 8. Nc3 Nc6 9. Bb3 Nf6 10. Nf3 h6 11. h3 {½-½ (45) Anton Guijarro,D (2607)-Bu,X (2707) Doha 2014}) 4... Nc6 5. Bg5 d6 (5... Nf6 {with more complications.} 6. f4 d6 7. Nf3 a6 8. O-O h6) 6. f4 $146 {B23: Closed Sicilian: Lines without g3} ({Predecessor:} 6. Qf3 Ne5 7. Qf4 h6 8. Nf3 hxg5 9. Nxg5 Nf6 10. Nd5 Bh6 11. c3 Nxd5 12. Bxd5 {0-1 (23) Karamanoglu,O-Bilgin,K (1277) Antalya 2019}) 6... h6 7. Bh4 Nf6 8. Nf3 {The position is equal.} Bg4 9. h3 Bxf3 10. Qxf3 O-O 11. a3 Nd4 12. Qf2 b5 13. Ba2 Nh7 (13... a5 $11 {remains equal.}) 14. Nd5 g5 15. Bg3 e6 16. Ne3 $1 Nf6 (16... b4 $142) 17. c3 {Hoping for fxg5.} Nc6 18. fxg5 hxg5 19. h4 $36 {[%mdl 2048] Black is under strong pressure.} Nh5 20. hxg5 Qxg5 21. Bxd6 {Qf3 is the strong threat.} Rfd8 22. g4 Rxd6 23. Rxh5 Qd8 {[#]} 24. O-O-O $1 (24. Rxc5 Ne5 $11) 24... Ne5 {[#]} (24... Rxd3 $16 {keeps fighting.} 25. Rf1 Rd7) 25. Qh2 $1 $18 Qf6 $2 (25... Nxd3+ {is tougher.} 26. Kc2 Rd7) 26. Rf1 {Accuracy: White = 87%, Black = 25%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.1"]
[White "Eljanov, Pavel"]
[Black "Gareyev, Timur"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2663"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,51,39,61,62,70,73,72,47,52,49,81,73,102,73,109,73,77,82,73,78,79,67,89,90,118,92,103,107,128,125,308,294,439,442,467,489,620,616]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O Nbd7 8. Qc2 Ng4 9. Bg5 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (9. d5 a5 10. Ne1 Nh6 11. f3 f5 12. Nd3 f4 13. Bd2 g5 14. h3 Rf6 15. a3 Nf7 16. Rac1 h5 {½-½ (38) Lenderman,A (2585)-Vovk,A (2630) Sault Ste Marie 2017}) 9... Bf6 10. Bxf6 Ngxf6 $146 ({Predecessor:} 10... Qxf6 11. h3 Nh6 12. Rad1 c6 13. dxe5 Nxe5 14. Qd2 Nxf3+ 15. Bxf3 Qh4 16. Qxd6 f5 {1-0 (34) Savchenko,S (2395)-Foygel,I (2370) Kherson 1989}) 11. Rfd1 {White is better.} Qe7 12. dxe5 dxe5 13. Nd5 Qd8 14. c5 c6 15. Nxf6+ Qxf6 16. Rd6 Qe7 17. h3 Nf6 18. Rad1 $36 {[%mdl 2048] White has good play.} Kg7 19. b4 h6 20. Bc4 a5 21. b5 cxb5 22. Bxb5 Be6 $2 {[#]} (22... a4 $16 23. Bxa4 Be6 24. Nxe5 Bxh3) 23. Qb2 $18 ({Don't do} 23. Nxe5 $6 Rfc8 $18) 23... Ne8 (23... Rac8 $142 24. Qxe5 Kg8) 24. Nxe5 {White is clearly winning.} Kg8 25. Rb6 Rc8 26. Bd7 {Accuracy: White = 84%, Black = 25%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.2"]
[White "Demchenko, Anton"]
[Black "Bernadskiy, Vitaliy"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2655"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,140,24,16,25,16,24,20,28,21,31,27,23,23,28,28,16,19,21,0,18,14,14,15,15,15,59,45,45,39,79,65,139,57,60,28,107,93,93,0,141,134,304,151,154,189,184,168,164,112,105,112,118,126,141,157,130,48,145,81,84,78,69,89,76,-81,-83,-77,-77,-104,-89,-100,-93,-125,-85,-74,-71,-79,-41,-68,-45,-45,-36,-53,-37,-110,-107,-108,-88,-265,-280,-343,-335,-343,-350,-328,-321,-357,-370,-341,-359,-360,-342,-378,-375,-418,-417,-511,-514,-558,0,-483,-482,-836,-822,-29982,-29981,-29991,-29992,-29991,-377,-340,0,-29994,-29995,-29995,-29996]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 a6 6. Bf1 d5 7. exd5 Nxd5 8. d4 Nf6 9. Be3 Be7 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} (9... Nd5 10. Bg5 f6 11. Bc1 cxd4 12. Nxd4 Nxd4 13. Qxd4 Bd6 14. g3 O-O 15. Bg2 Qc7 16. c3 Bc5 17. Qd3 {½-½ (70) Vidit,S (2711)-Lenic,L (2656) chess.com INT 2018}) 10. c4 cxd4 11. Nxd4 Bd7 {The position is equal.} 12. Nc3 Qc7 $146 ({Predecessor:} 12... O-O 13. h3 Rc8 14. Nf3 Qc7 15. Rc1 Rfd8 16. a3 Be8 {0-1 (53) Mozharov,M (2508)-Vidit,S (2582) Hyderabad 2013}) 13. h3 O-O 14. Nf3 Na5 15. Rc1 Rfd8 16. Nd2 Be8 17. Qc2 Rac8 18. a3 Nc6 19. Nf3 Nd7 20. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} a5 21. b5 Ncb8 $1 22. Ng5 g6 23. Qe4 $40 {[%mdl 128] White has some attack.} Qe5 (23... Nc5 $1 $14 24. Qf3 b6) 24. Qg4 (24. c5 $16) 24... Qg7 $14 25. Bd4 e5 (25... h5 $1 $11 26. Qe4 (26. Bxg7 hxg4 27. Bh6 gxh3 $15) 26... Nc5 27. Bxc5 (27. Bxg7 Nxe4 28. Ngxe4 Kxg7 $11) 27... Rxc5) 26. Nd5 $1 $16 {[%cal Rd5e7]} Bxa3 27. Ra1 (27. Bc3 $1 $16) 27... Bd6 (27... Bb4 $1 $11 {remains equal.} 28. Bb2 (28. Nxb4 axb4 29. Bb2 h6 $15) 28... h6 29. Nxb4 axb4) 28. Bc3 b6 $2 (28... h6 $16) 29. f4 (29. Qh4 $18 {and White stays clearly on top.}) 29... h6 30. Nf3 {[%cal Rf4e5]} Nf6 31. Nxf6+ Qxf6 32. fxe5 (32. Bxe5 $18 Bxe5 33. fxe5 (33. Nxe5 Bd7 $14)) 32... Bc5+ 33. Kh1 Qe6 {With the idea ...Qxg4.} 34. Qh4 Bxb5 {and if ...Bc6 works, Black does fine.} 35. Qxh6 (35. cxb5 Be7 $14) 35... Bf8 36. Qe3 ({But not} 36. Qh4 $6 Be7 $11) ({White should try} 36. Qf4 $1 $16 Qf5 37. Qh4) 36... Bc5 (36... Bxc4 $14 37. Ng5 Qf5) 37. Qf4 (37. Bd4 $142 $1 {[%cal Rd4c5]} Rxd4 38. Nxd4 Bxd4 39. Qxd4) 37... Bc6 38. Ng5 $1 {[%cal Rg5e6]} Qf5 39. Qh4 Qf2 {[%csl Gc5][%cal Rf2g1]} 40. Qh7+ $2 (40. Qxf2 $1 $16 {is necessary to keep the advantage.} Bxf2 41. e6) 40... Kf8 $17 {[%csl Gc5][%cal Rf2g1]} 41. Qh8+ Ke7 {[%csl Gc5][%cal Rf2g1]} 42. Qf6+ {[#]} Qxf6 $1 43. exf6+ Kf8 44. Be2 Bf2 {And now ...Re8 would win.} 45. Red1 Be3 46. h4 Re8 {Strongly threatening ...Bxg5.} 47. Bg4 Rcd8 (47... Bxg2+ $5 48. Kxg2 Rxc4 {[%mdl 64] Double Attack} 49. Bxa5 Rxg4+ 50. Kh3 Rc4 $17) 48. Nf3 Bd7 49. Bxd7 Nxd7 50. Rd6 ({White should play} 50. g4 $15) 50... Nc5 51. Rxb6 Ne4 $1 {[%csl LRb6,LRc3][%mdl 64] Discovered Attack} 52. Rb3 $2 (52. Bxa5 $17 Bxb6 53. Bxb6) 52... Rd3 $19 53. Raa3 Rd1+ (53... Nxc3 54. Rxc3 Rd1+ 55. Kh2 $17) 54. Kh2 Bf4+ 55. g3 Bxg3+ ({Less strong is} 55... Nxg3 56. Kh3 $17) 56. Kg2 {[#]} Bd6 $1 57. Bxa5 Bxa3 ({Weaker is} 57... Nxf6 58. Ra2 $17) 58. Rxa3 Nxf6 59. Bb4+ Kg8 60. Ng5 Ng4 61. Rc3 Ne3+ 62. Kf2 Ng4+ $2 ({Better is} 62... Rd2+ $19 63. Kg3 Nf5+ 64. Kh3 Rd1) 63. Kf3 $2 {[%mdl 8192]} (63. Kg2 $1 $11 {and White is okay.} Ne3+ 64. Kf2 Rd2+ 65. Kg3) 63... Ne5+ 64. Kg2 (64. Ke2 $142 Rb1 65. Ba3) 64... Nd3 {Threatens to win with ...Rd2+.} 65. Ba3 Nf4+ 66. Kf2 Re2+ 67. Kg3 Nd3 $2 (67... Rf1 {mates} 68. Nf3 Nh5+ 69. Kh3 Rh1+ 70. Nh2 Rhxh2+ 71. Kg4 Ref2 72. Kg5 Rf5+ 73. Kg4 Rg2+ 74. Kh3 Nf4#) 68. Kf3 Re8 $2 (68... Re5 $19 {( -> ...Rf1+)} 69. Ne4 Re6) 69. c5 $2 {[%mdl 8192]} (69. Kg2 $11 Nf4+ 70. Kg3 Ne2+ {[%mdl 64] Double Attack} 71. Kg2 Nxc3 72. Bc5) 69... Rf1+ 70. Kg2 Rf2+ {Accuracy: White = 48%, Black = 59%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.3"]
[White "Santos Latasa, Jaime"]
[Black "Azarov, Sergei"]
[Result "1/2-1/2"]
[ECO "A18"]
[WhiteElo "2580"]
[BlackElo "2586"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,37,10,6,16,19,20,14,16,16,18,0,0,2,33,37,43,-10,-10,-22,-22,-22,-23,-45]} 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 8. d4 Bb7 9. Bd3 {White wants to play Bg5.} Bxf3 {A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4)} 10. Qxf3 Qxf3 11. gxf3 Nc6 $146 {The position is equal.} ({Predecessor:} 11... Bd6 12. a4 Nc6 13. Be4 Kd7 14. Ke2 Rae8 15. Bxc6+ Kxc6 16. f4 g6 17. Be3 {1-0 (40) Karjakin,S (2783)-Nakamura,H (2786) chess.com INT 2017}) 12. Be4 Kd7 13. Rg1 Re8 14. Be3 Ne7 (14... g6 {is interesting.} 15. O-O-O Ne7 16. d5 exd5 17. Bc2 Kc8) 15. a4 Nf5 16. Bxf5 ({White should try} 16. a5 $14) 16... exf5 $11 17. Kd2 g6 18. Kd3 Bd6 19. h3 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.4"]
[White "Gukesh D"]
[Black "Kamsky, Gata"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2520"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,10,21,13,11,3,41,13,3,-12,0,-22,-24,-17,-25,-25,-16,-20,-16,-20,-26,-20,-15,-29,-14,-68,-52,-50,-51,-41,-41,-46,-54,-51,-51,-49,-50,-56,-38,-53,-33,-55,-21,-121,-143,-218,-210,-220,-203,-215,-199,-439,-131,-127,-131,-132,-131,-117,-130,-123,-126,-125,-31,-26,-31,-21,-8,-16,-15,-12,-4,-2,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. g3 dxc4 6. a4 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} a5 7. e3 Bf5 $146 ({Predecessor:} 7... Bg4 8. Bxc4 e6 9. h3 Bh5 10. g4 Bg6 11. Ne5 Bb4 12. Nxg6 hxg6 13. Qf3 Nd5 {½-½ (36) Can,E (2513)-Khairullin,I (2651) St Petersburg 2013}) 8. Bxc4 {White is slightly better.} e6 9. h3 h6 10. Nh4 Bh7 $1 11. Bd3 Bxd3 12. Qxd3 Bb4 13. O-O O-O 14. Rd1 c5 15. Nf3 cxd4 16. Nxd4 e5 17. Ndb5 (17. Nb3 $11 Qxd3 18. Rxd3) 17... Qxd3 $15 18. Rxd3 Na6 {[%cal Bb8a6,Ba6c5,Bc5d3][%mdl 32]} 19. Rd1 Nc5 20. Bd2 Rfd8 21. Be1 Nd3 22. Rab1 Rd7 23. Kf1 Rad8 24. Ke2 Kf8 25. e4 h5 26. f3 {[#]} (26. h4 $11) 26... h4 $1 $36 {[%mdl 2560] Black is on the roll.} 27. gxh4 (27. Kf1 $17) 27... Nf4+ $1 $19 28. Kf1 Rd3 ({Inferior is} 28... Nxh3 29. Bg3 $11) 29. Bf2 Ke7 ({Less strong is} 29... Nxh3 30. Be3 $15) 30. Nd5+ $2 {[#]} (30. Rxd3 {keeps fighting.} Rxd3 31. Re1) 30... N6xd5 $2 (30... R8xd5 $1 $19 {and Black stays clearly on top.} 31. exd5 Rxf3) 31. Rxd3 $17 Nxd3 32. exd5 Nxf2 33. Kxf2 Rxd5 $19 {[%mdl 4096] Endgame KRB-KRN} 34. Rc1 g6 35. Rc7+ {[#]} Kf6 ({Black should play} 35... Rd7 $1 $17 36. Ke2 Rxc7 37. Nxc7 Kd6 38. Ne8+ Kd7 39. Nf6+ Ke6) 36. Rxb7 $15 Rd2+ 37. Ke3 Rxb2 {Hoping for ...Ra2.The position is equal.} 38. Nd6 $1 Ra2 39. Nxf7 Rxa4 40. Ng5 {[%csl Gg5][%cal Rb7f7]} Be7 41. Ne4+ Ke6 42. Rb6+ Kf7 43. Ng5+ Kg7 {Threatens to win with ...Bc5+.} 44. Rb7 Kf6 {Accuracy: White = 50%, Black = 59%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.5"]
[White "Engel, Luis"]
[Black "Sethuraman, S.P."]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2507"]
[BlackElo "2624"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,119,29,9,14,16,8,-3,-6,-27,-32,-22,-23,-41,-31,-52,-52,-97,-102,-97,-95,-156,-147,-151,-135,-145,-137,-140,-154,-224,-224,-233,-207,-235,-237,-272,-265,-266,-272,-270,-264,-280,-272,-280,-280,-253,-267,-256,-163,-171,-181,-179,-180,-175,-145,-172,-135,-240,-228,-354,-306,-366,-365,-359,-345,-305,-88,-108,-35,-809,-780,-637,-206,-562,-187,-187,-105,-112,-110,-110,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 (7. Nde2 {with more complications.} Nbd7 8. a4 Nc5 9. Ng3 Be7 10. Be2) 7... Be7 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (7... Be6 8. f4 g6 9. Be2 Nbd7 10. g4 Rc8 11. f5 Bxb3 12. axb3 Rxc3 13. bxc3 Nxe4 14. O-O Qh4 15. Bf3 gxf5 16. Bxe4 fxe4 {½-½ (53) Caruana,F (2818)-Vachier Lagrave,M (2778) Saint Louis 2019}) 8. g4 h6 9. Bg2 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6,Bg6h4][%mdl 32]} 10. a4 Nf8 11. f4 $146 ({Predecessor:} 11. Nd5 Nxd5 12. exd5 Ng6 13. Be4 O-O 14. Bxg6 fxg6 15. Be3 {0-1 (38) Martin,J (2412)-Sadzikowski,D (2583) Karlsruhe 2018}) 11... Ng6 12. f5 Nh4 13. Qe2 b6 14. O-O Nxg2 15. Qxg2 Bb7 16. g5 ({White should play} 16. Be3) 16... hxg5 $17 17. Bxg5 Rc8 18. Bxf6 Bxf6 19. Rad1 Rh4 {Strongly threatening ...Rxc3!} 20. Rd3 {[#]} (20. Rfe1 $17) 20... Rxc3 $1 $19 {[%mdl 512]} 21. Rxc3 (21. bxc3 Bxe4) 21... Bxe4 22. Qe2 Bb7 {[%mdl 1024] Black has strong compensation.} 23. Rd1 e4 24. Rg3 Be5 (24... Bxb2 25. c3 $14) 25. Qe3 Qf6 ({Stronger than} 25... Bxb2 26. c3 $14) ({Much less strong is} 25... Bxg3 26. Qxg3 Rh6 27. c3 $19) 26. Qxb6 Bxg3 27. Qxb7 Qxf5 28. Qb8+ Ke7 29. Qc7+ Qd7 30. Qxd7+ Kxd7 {[%mdl 4096] Endgame KRB-KRN} 31. Kg2 Be5 32. Nc5+ Kc6 33. Nxa6 Bxb2 34. Rb1 (34. Nb8+ $17 Kc7 35. Na6+ Kc6 36. Nb8+ Kc7 37. Na6+ Kc6) 34... Bc3 {...e3 is the strong threat.} 35. Nb8+ (35. Rb8 $142) 35... Kc5 36. Rb7 Rf4 37. Rc7+ Kd4 38. a5 e3 $2 (38... Bxa5 $19 {and Black stays clearly on top.} 39. Nc6+ Kc5 40. Nxa5+ Kb6 {[%mdl 64] Double Attack}) 39. Nc6+ $17 {[#]} Ke4 (39... Kd5 $1 $17 40. Ne7+ {[%mdl 64] Discovered Attack} Ke4 41. Rc4+ (41. Rxc3 $2 e2 $19) 41... Bd4) 40. a6 $2 {[%mdl 8192]} (40. Re7+ $15 Be5 41. Nxe5 dxe5 42. a6 Rf2+ 43. Kg1) 40... Rf2+ $19 41. Kg3 Rxc2 $2 (41... Rf1 {( -> ...e2)} 42. Re7+ Be5+ 43. Nxe5 dxe5) 42. a7 $2 (42. Re7+ {was the crucial defense.} Kd5 43. a7) 42... Ra2 $2 (42... Be1+ 43. Kg4 Rg2+ 44. Kh5 g6+ 45. Kh6 Ra2 46. Rxf7 e2 47. Re7+ Kd3 48. Kxg6 Bc3) 43. Re7+ {[#]} Be5+ (43... Kd5 $1 $19 {[%cal Rd5c6]} 44. Rxe3 Kxc6 45. Rxc3+ Kd7) 44. Nxe5 $17 dxe5 45. Rxf7 {KR-KR} Ra1 (45... g5 $17 46. Rb7 Ra1) 46. Rxg7 $11 {The position is equal.} Kd3 {Hoping for ...e2.} 47. Rd7+ Ke2 48. Kg2 Ra2 49. h4 Ke1+ 50. Kf3 e2 51. Re7 Kf1 52. Rxe5 Rxa7 {Threatens to win with ...Ra3+.} 53. Rxe2 Rf7+ 54. Ke3 $1 {aiming for Rd2.} Re7+ 55. Kf4 $1 Kxe2 (55... Rxe2 {is interesting.} 56. h5 Kg1 57. h6 Re6 58. Kg5 Rd6) 56. h5 Kd3 57. h6 Kd4 58. Kf5 Kd5 59. Kg6 Ke6 60. h7 {Accuracy: White = 49%, Black = 65%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.6"]
[White "Koellner, Ruben Gideon"]
[Black "Peralta, Fernando"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2265"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,50,0,18,-36,0,-41,-49,-42,-7,-43,-20,-10,0,0,-21,-216,-206,-270,-306,-263,-277,-320,-329,-449,-379,-582,-521,-521,-505,-1414,-1251,-2458,-2345,-1929,-1916,-29994,-29995,-29995,-29996,-29996,-29997,-29997,-322]} 1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 f6 (5... Nf6 6. Nd2 Bf5 7. Ngf3 e6 8. Nh4 Bg6 9. Qb3 Qd7 10. Nxg6 hxg6 11. Bb5 Bd6 12. Bxd6 Qxd6 13. Nf3 O-O {0-1 (40) Shirov,A (2658)-Kovalenko,I (2654) Riga 2019}) 6. Bd3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} ({Better is} 6. Bb5 $11) 6... e5 $15 7. Qh5+ g6 $1 {[%cal Rg6h5]} 8. Bxg6+ {Black is slightly better.} hxg6 9. Qxh8 exf4 10. Qxg8 Bf5 {And now ...Qe7+ would win.} 11. Ne2 $146 ({Predecessor:} 11. Qh7 Qb6 12. Nf3 Qxb2 13. O-O Qxa1 14. Qxb7 {0-1 (34) Mijnster,N (2139)-Zwirs,N (2391) Vlissingen 2019}) 11... Qd7 12. g4 $2 {[#]} (12. Nxf4 $11 O-O-O 13. O-O) 12... Be4 $1 $19 13. f3 Ne7 14. Qh8 Bxf3 {[%mdl 64] Strongly threatening ...Qe6! Double Attack} 15. Rf1 Bxe2 $1 ({Weaker is} 15... Qxg4 16. Qxf6 g5 {[#]} 17. Rxf3 $1 $14 {[%mdl 512]}) 16. Rxf4 Bxg4 {...Qe6+ is the strong threat.} 17. Rxf6 (17. Nd2 {was called for.} O-O-O 18. Qxf6) 17... O-O-O 18. Rxf8 Qe6+ 19. Kf2 (19. Qe5 $142 Qxe5+ 20. dxe5 Rxf8 21. Na3) 19... Qe2+ {[%mdl 64] Double Attack} 20. Kg1 Qe3+ 21. Kg2 {[#]} Bf3+ $1 {[%mdl 576] Pin} 22. Kh3 (22. Rxf3 Qe2+) 22... Be4+ {Black mates.} 23. Kh4 Nf5+ 24. Kg4 Bf3+ 25. Kh3 Be2+ {Accuracy: White = 24%, Black = 100%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.7"]
[White "Idani, Pouya"]
[Black "Asadli, Vugar"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2568"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,71,16,16,17,11,7,16,-6,0,-4,9,13,14,1,11,0,4,0,6,5,14,10,6,9,14,0,0,0,0,0,0,0,0,0,12,14,18,23,22,30,66,72,81,79,64,72,62,66,200,184,183,156,216,216,216,193,148,159,1013,470,540,464]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qf3 dxc6 7. Nc3 {C45: Scotch Game} Be6 8. Bd3 (8. a3 O-O-O 9. Be3 Bxe3 10. Qxe3 Kb8 11. f4 Nh6 12. Bd3 Qe7 13. O-O-O f6 14. Rhe1 Nf7 {½-½ (58) Nepomniachtchi,I (2763)-Wang,H (2730) St Petersburg 2018}) 8... O-O-O 9. Qe2 {The position is equal.} (9. Be3 {seems wilder.} Qe7 10. e5 h5 11. h3 Nh6 12. O-O-O) 9... Qe7 (9... Bd4 {keeps more tension.} 10. O-O Kb8 11. Be3 g5 12. Rad1 Ne7) 10. Be3 $146 ({Predecessor:} 10. Bd2 Nf6 11. O-O-O Ng4 12. Be1 Ne5 13. f3 Bd4 14. Kb1 Qb4 15. a3 Qe7 {0-1 (62) Limanovska,E (1713)-Vrtiakova,A (1540) Albena 2011}) 10... Nh6 11. h3 f6 12. O-O-O Nf7 13. Bxc5 Qxc5 14. f4 Kb8 15. Rhf1 (15. Rhe1 {with more complications.} h5 16. Qe3 Qe7 17. a3 h4 18. Rf1) 15... Rhe8 16. Qf2 Qxf2 17. Rxf2 c5 18. a3 c6 19. Re1 c4 20. Be2 Nd6 21. Bf3 Bc8 22. Rfe2 Kc7 23. e5 fxe5 24. Rxe5 Rxe5 25. Rxe5 Re8 26. Rxe8 Nxe8 $14 {[%mdl 4096] Endgame KBN-KBN} 27. Kd2 Nf6 28. g4 Kd6 29. Ke3 h5 {[#]} ({Better is} 29... h6 $14) 30. Ne4+ $1 $18 (30. gxh5 Bxh3 31. Ne4+ Nxe4 $11) 30... Nxe4 31. Kxe4 {KB-KB} Be6 {[#]} (31... hxg4 $16 32. hxg4 Be6) 32. f5 $1 {[%cal Rf5e6]} ({Weaker is} 32. gxh5 Bxh3 33. f5 Ke7 $11) 32... hxg4 33. hxg4 Bd5+ 34. Kf4 Bxf3 $2 (34... Bf7 $16 35. g5 Be8) 35. Kxf3 Ke5 36. c3 {Accuracy: White = 75%, Black = 43%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.8"]
[White "Nasuta, Grzegorz"]
[Black "Korneev, Oleg"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2534"]
[BlackElo "2504"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,53,31,37,43,33,31,27,42,41,41,35,47,45,32,28,45,43,39,21,21,29,31,15,24,27,31,20,20,19,34,24,23,31,51,46,237,238,1172,1136,2091,2108,29995,29996,29996,29997]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 d6 {B46: Sicilian: Taimanov: 5 Nc3 a6} 7. Nxc6 bxc6 8. Bg2 Bb7 {White has an edge.} 9. O-O Nf6 10. b3 $146 ({Predecessor:} 10. Na4 Qc7 11. c4 c5 12. Qe2 Be7 13. b3 O-O 14. Bb2 {1-0 (49) Firouzja,A (2618)-Alekseev,E (2639) Bandar e Anzali 2019}) 10... Be7 11. Bb2 O-O 12. Na4 Qc7 13. c4 Nd7 14. Qe2 c5 15. Rad1 Rad8 16. f4 Bc6 17. Nc3 Bf6 18. Nb1 Bxb2 19. Qxb2 Bb7 20. Nc3 Nb8 21. f5 Nc6 22. f6 Nd4 $2 ({Better is} 22... Ne5 $14) 23. Qd2 $18 {Intending Qg5! and mate.} h6 $2 {[#]} (23... gxf6 24. Qh6 (24. Rxf6 Nc6 $16) 24... f5) 24. Rf4 $1 {[%cal Rf4g4]} Kh7 {[#]} 25. Rh4 $1 {[%mdl 512] White threatens Qg5 and mate.} Rh8 26. Qg5 {[%csl Gf6][%cal Rg5g7]} Rdg8 27. fxg7 {Accuracy: White = 83%, Black = 32%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.9"]
[White "Hess, Max"]
[Black "Chanda, Sandipan"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2373"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,18,25,20,17,0,10,0,8,21,0,9,39,35,32,41,43,0,0,23,48,0,0,0,0,0,0,-21,0,-179,-180,-164,0,0,0,0,14,0,0,-167,-160,-499,-483,-29987,-29988,-29988,-83,-29989,-29990,-29997,0,-29998,-29999,-29999]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} e6 (6... g6 7. c3 Bg7 8. Bc2 O-O 9. d4 e5 10. a4 Rb8 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Qxd8 Rxd8 {½-½ (65) Amin,B (2707)-Artemiev,V (2761) Danzhou 2019}) 7. Bf1 b5 8. a4 $146 {The position is equal.} ({Predecessor:} 8. d3 Be7 9. Nc3 O-O 10. Bg5 h6 11. Bh4 Re8 12. h3 Qc7 {½-½ (57) Jovovic,C-Kuzmanovic,A (1813) Belgrade 2014}) 8... b4 9. d4 cxd4 10. Qxd4 Bb7 11. Qxb4 Bxe4 {[%mdl 64] Remove Defender} 12. Rxe4 {aiming for Re1.} d5 13. Rxe6+ $1 fxe6 14. Qe1 e5 15. c4 (15. Nxe5 $14 Qe7 16. Nf3) 15... Bc5 $11 {And now ...Ng4 would win.} 16. b4 Ba7 $1 17. Nc3 O-O 18. cxd5 ({Don't blunder} 18. Nxd5 $2 e4 $19) 18... e4 19. Ng5 $2 (19. Nxe4 $11 Re8 20. Nxf6+ Nxf6 21. Qd1) 19... Ng4 $1 $19 20. Qxe4 {[%csl Gg5][%cal Re4h7]} Rxf2 $2 $40 {[%mdl 128] White needs to defend precisely.} (20... Bxf2+ $19 21. Kh1 Ndf6 22. Qe6+ Kh8) 21. Qxh7+ $11 Kf8 {( -> ...Rf4+)} 22. Ne6+ Ke7 23. Bg5+ ({Wrong is} 23. Bxa6 $2 Qh8 $19) 23... Rf6+ $1 24. Nc5 $2 (24. Kh1 $1 $11 {and White is okay.} Nf2+ 25. Kg1 Nh3+ {[%mdl 64] Discovered Attack (Double check)} 26. Kh1 Nf2+ 27. Kg1 Nh3+ {[%mdl 64] Discovered Attack (Double check)} 28. Kh1 Nf2+) 24... Nxc5 $19 25. Bxf6+ $2 (25. bxc5 $17 Bxc5+ 26. Kh1 Nf2+ 27. Kg1) 25... Kxf6 26. bxc5 (26. g3 $19 Ne4+ {[%mdl 64] Discovered Attack} 27. Kh1 Ngf2+ 28. Kg2 Nxc3 29. Qh4+ Kg6 30. Qxd8 Rxd8 31. Rc1 Nxd5 32. Rc6+ Kf5 33. Bxa6) 26... Bxc5+ 27. Kh1 Nf2+ 28. Kg1 {[#]} Qh8 $1 {[%mdl 64] Overworked Piece} 29. Qxh8 {[#]} Ne4+ $1 {[%mdl 64] Discovered Attack} (29... Rxh8 $2 30. g3 $19) 30. Kh1 {[#]} Ng3+ $1 {[%mdl 512]} 31. hxg3 Rxh8# {Accuracy: White = 52%, Black = 63%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.10"]
[White "Marin, Mihail"]
[Black "Weber, Ulrich"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2524"]
[BlackElo "2360"]
[Annotator "RC"]
[PlyCount "98"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. d3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:09]} 3. g3 {[%emt 0:00:00]} g6 {[%emt 0:00:25]} 4. Bg2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:09]} 5. f4 {[%emt 0:00:01]} e6 {[%emt 0:00:48]} 6. Nf3 {[%emt 0:00:06]} Nge7 {[%emt 0:00:04]} 7. O-O {[%emt 0:00:05]} O-O {[%emt 0:00:06]} 8. c3 {[%emt 0:00:04]} b6 {[%emt 0:00:08]} 9. Be3 {[%emt 0:01:56]} Ba6 {[%emt 0:01:15]} 10. Re1 {[%emt 0:05:33]} Rc8 {[%emt 0:02:29]} 11. Na3 {[%emt 0:00:38]} d6 {[%emt 0:06:58]} 12. d4 {[%emt 0:01:45]} cxd4 {[%emt 0:00:22]} 13. Nxd4 {[%emt 0:01:36]} Nxd4 {[%emt 0:02:46]} 14. Bxd4 {[%emt 0:04:24]} e5 {[%emt 0:01:21]} 15. Bf2 {[%emt 0:00:09]} Qd7 {[%emt 0:02:31]} 16. fxe5 {[%emt 0:04:26]} Bxe5 {[%emt 0:03:13]} 17. Nc2 {[%emt 0:00:06]} Bc4 {[%emt 0:08:11]} 18. Qd2 {[%emt 0:07:13]} Rfe8 {[%emt 0:06:31]} 19. b3 {[%emt 0:11:41]} Be6 {[%emt 0:03:36]} 20. Nd4 {[%emt 0:04:17]} Qb7 {[%emt 0:21:18]} 21. c4 {[%emt 0:03:18]} Nc6 {[%emt 0:01:44]} 22. Rad1 {[%emt 0:00:53]} Bg4 {[%emt 0:01:10]} 23. Nxc6 {[%emt 0:04:26]} Qxc6 {[%emt 0:01:17]} 24. Rc1 {[%emt 0:00:09]} Qd7 {[%emt 0:00:46]} 25. Be3 {[%emt 0:01:40]} Rc6 {[%emt 0:10:36]} 26. Qf2 {[%emt 0:01:54]} Rec8 {[%emt 0:01:28]} 27. Bf1 {[%emt 0:00:51]} h5 {[%emt 0:00:45]} 28. Rc2 {[%emt 0:01:58]} R6c7 {[%emt 0:01:43]} 29. Rec1 {[%emt 0:00:47]} Kg7 {[%emt 0:04:25]} 30. a4 {[%emt 0:03:53]} Qe7 {[%emt 0:01:28]} 31. Ra2 {[%emt 0:00:55]} Be6 {[%emt 0:01:42]} 32. Rb1 {[%emt 0:01:47]} f5 {[%emt 0:04:01]} 33. exf5 {[%emt 0:08:40]} Bxf5 {[%emt 0:00:47]} 34. Re1 {[%emt 0:00:20]} Rf8 {[%emt 0:02:07]} 35. Qd2 {[%emt 0:00:42]} Kh7 {[%emt 0:00:39]} 36. Bg2 {[%emt 0:04:45]} Qg7 {[%emt 0:00:24]} 37. Rf1 {[%emt 0:06:43]} Re8 {[%emt 0:01:41]} 38. Kh1 {[%emt 0:02:00]} Bc3 {[%emt 0:00:57]} 39. Qf2 {[%emt 0:03:40]} Rce7 {[%emt 0:02:45]} 40. Bg5 {[%emt 0:01:12]} Re1 {[%emt 0:01:56]} 41. Bd2 {[%emt 0:21:06]} R1e2 {[%emt 0:02:36]} 42. Qf4 {[%emt 0:03:51]} R8e4 {[%emt 0:07:39]} 43. Bxc3 {[%emt 0:03:56]} Rxf4 {[%emt 0:02:25]} 44. gxf4 {[%emt 0:02:02]} Rxg2 {[%emt 0:02:26]} 45. Bxg7 {[%emt 0:04:46]} Rxa2 {[%emt 0:00:14]} 46. Ra1 {[%emt 0:00:09]} Be4+ {[%emt 0:00:10]} 47. Kg1 {[%emt 0:00:05]} Rg2+ {[%emt 0:00:34]} 48. Kf1 {[%emt 0:00:03]} Kxg7 {[%emt 0:00:29]} 49. Re1 {[%emt 0:00:06]} Bc6 {[%emt 0:01:09]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.11"]
[White "Fiedorek, Michal"]
[Black "Prusikin, Michael"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2343"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,100,3,6,16,8,8,16,0,24,24,16,18,10,0,15,2,26,-2,11,0,16,0,0,0,2,0,6,0,14,0,0,9,25,37,24,38,29,33,66,52,50,12,75,69,71,33,47,47,26,0,28,14,45,0,35,29,65,23,52,42,41,-29,0,0,0,-39,-41,-70,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-16,0,0,0,-29983,-29984,-29984,-29985]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 g6 7. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} Bf5 8. Be2 Qc7 $146 (8... Bg7 9. O-O O-O 10. Bf4 Ne4 11. Nbd2 f6 12. Nxe4 Bxe4 13. Nd2 Bf5 14. Bg3 e5 15. dxe5 fxe5 {1-0 (54) Ding,L (2805)-Navara,D (2734) Prague 2019}) 9. O-O {The position is equal.} Bg7 10. Re1 O-O 11. Be3 Rad8 12. Nbd2 Ne4 13. Qc1 Rfe8 14. Nb3 Qc8 15. Bh6 f6 16. Bxg7 Kxg7 17. Nh4 Be6 18. Bd3 g5 19. Nf3 Bf5 20. Qc2 b6 21. a4 a5 22. Nbd2 {[%cal Rd2e4,Bb3d2,Bd2f1,Bf1e3][%mdl 32]} Nd6 23. Bxf5 Nxf5 24. Qb3 Qc7 25. Nf1 e6 26. Re2 (26. g4 $5 {[%cal Rg4f5]} Nd6 27. Re2 $11) 26... Re7 (26... h5 $11) 27. Rae1 Rde8 28. Ne3 (28. g4 $5 {[%cal Rg4f5]} Nd6 29. Ng3 $14) 28... Nd6 29. Nc2 Nd8 30. Ne3 N8f7 31. Rc2 Qb7 32. Qa3 Rc7 33. Rce2 Ne4 34. Nd2 f5 35. Qb3 Nfd6 36. f3 (36. Nef1 $14) 36... Nf6 37. Qa3 Qc6 38. Nc2 Rce7 39. Re5 Nh5 ({Better is} 39... Nd7 $15 40. R5e2 f4) 40. Ne3 $1 $11 Nf4 {Hoping for ...Nd3.} 41. c4 {Threatens to win with Nxd5!} dxc4 {[#] ...Ng6 is the strong threat.} 42. Nxf5+ $1 {[%mdl 512]} Nxf5 {[#]} 43. Rxf5 $1 {[%mdl 576] Remove Defender} exf5 44. Rxe7+ Rxe7 45. Qxe7+ {[%mdl 64] Double Attack} Kg6 46. h4 gxh4 47. Qd8 Qe6 {Strongly threatening ...h3.} 48. Kh2 {[#]} h3 $1 {[%mdl 512]} 49. Qc7 $2 {[%mdl 8192] [#]} (49. Qb8 $11 Nxg2 50. Kxh3) (49. gxh3 Qe2+) 49... Qe2 $1 {[%csl Gf4,Gh3][%cal Re2g2][%mdl 64] Double Attack} 50. Qd6+ Kh5 {Accuracy: White = 49%, Black = 44%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.12"]
[White "Forchert, Martin"]
[Black "Vetoshko, Volodymyr"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2335"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,56,24,21,3,25,0,0,-18,-6,-20,-32,-41,-23,-23,-13,-31,-14,-35,-34,-36,-23,-71,-71,-110,-112,-108,-95,-171,-160,-256,-260,-224,-247,-250,-212,-225,-225,-210,-209]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. g3 Nxd4 6. Qxd4 Ne7 7. Bg2 Nc6 8. Qd1 Be7 9. O-O O-O 10. Nc3 a6 11. Bf4 {B46: Sicilian: Taimanov: 5 Nc3 a6} (11. a4 d6 12. Be3 Qa5 13. Ne2 Rd8 14. Nd4 Nxd4 15. Qxd4 Bd7 16. Qb6 Qxb6 17. Bxb6 Rdc8 18. c3 a5 19. e5 {½-½ (47) Ryan,J (2267)-Anton Guijarro,D (2473) Barcelona 2011}) 11... d6 12. Qe2 Qc7 13. Rad1 $146 {The position is equal.} ({Predecessor:} 13. Rfc1 Ne5 14. Nd1 Bd7 15. c4 Rac8 16. b3 Bf6 17. Nc3 Qa5 18. Qd2 Rfd8 {0-1 (63) Bjerring,K (2263)-Paredes Cordo,J (2243) Villagarcia de Arosa 2002}) 13... b5 14. a3 Bb7 15. Bc1 Ne5 16. f4 Nc4 17. Rd3 Rac8 18. g4 Rfe8 19. g5 d5 20. Rh3 g6 21. Qg4 {[%cal Re4d5]} Qc5+ 22. Kh1 d4 $36 {[%mdl 2048] Black is really pushing.} 23. Nd1 {[#]} (23. Ne2 $17) 23... Nd6 $1 $19 24. Qh4 (24. e5 $17 Bxg2+ 25. Qxg2) 24... h5 25. Qe1 Qxc2 {[%mdl 64] Double Attack. Black is clearly better.} 26. Nf2 Bf8 27. Nd3 Bg7 28. Rf2 Qb1 {Accuracy: White = 23%, Black = 76%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.13"]
[White "Nasshan, Dennis"]
[Black "Krzyzanowski, Marcin"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2306"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,57,11,-17,-7,-12,-14,-70,-35,-131,-135,-147,-147,-159,-162,-166,-158,-651,-645,-627,-622,-622,-574,-562,-541,-549,-573,-555,-529,-29970,-29961,-29999]} 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. Nf3 Bg7 5. g3 O-O 6. Bg2 Nc6 7. O-O Bg4 8. d5 Na5 9. Nd2 c5 10. h3 Bd7 11. Qc2 a6 12. b3 b5 13. Bb2 Rb8 14. Rab1 e5 15. e4 Nh5 {E66: King's Indian: Fianchetto: 6...c5 7 0-0 Nc6 8 d5} 16. Ne2 f5 {[#]} 17. Nc1 $146 ({Better is} 17. Bc3 $11) ({Predecessor:} 17. f4 bxc4 18. fxe5 cxb3 19. axb3 dxe5 20. exf5 gxf5 21. Ra1 Bb5 22. Nc4 Nxb3 23. Qxb3 Bxc4 24. Qxc4 Rxb2 {0-1 (41) Donchenko,A (2618)-Ziska,H (2533) Le Blanc Mesnil 2019}) 17... f4 {Black is slightly better.} 18. g4 {[#]} (18. Ne2 $1 $15) 18... f3 $1 $17 {[%mdl 512]} 19. Nxf3 Nf4 20. Nd3 {[#]} Nxh3+ $1 {[%mdl 576] Deflection} 21. Bxh3 {Black must now prevent Nh2.} Rxf3 22. Kg2 $2 {[#]} (22. Bg2 $17 Bxg4 23. cxb5) 22... Qh4 $1 $19 {[%csl LRg4,LRh3][%mdl 512]} 23. Kxf3 {Kg2 is the strong threat.} Qxh3+ 24. Ke2 {Black should prevent f3.} Bxg4+ 25. Ke1 bxc4 26. Nc1 cxb3 27. axb3 Rb4 28. Bc3 {[#]} Rxe4+ $1 {[%mdl 576] Deflection} 29. Qxe4 Qxc3# {Accuracy: White = 21%, Black = 76%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.14"]
[White "Del Rio De Angelis, Salvador G."]
[Black "Lavrinenkov, Vadim"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2491"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,55,0,0,-2,-6,0,0,7,5,0,14,5,0,3,42,0,31,28,32,30,37,0,46,47,58,1,11,0,0,0,149,136,112,129,377,270,489,421,570,562]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Ba2 {E53: Nimzo-Indian: Rubinstein: Main Line (4...0-0 5 Nf3 d5 6 Bd3 c5 7 0-0)} Nbd7 11. O-O b6 12. Re1 {The position is equal.} Bb7 13. c4 Rad8 14. h3 Rfe8 15. Bb2 {[#]} cxd4 $146 ({Predecessor:} 15... h6 16. Qe2 cxd4 17. exd4 Qf4 18. Qe3 Qf5 19. Bb1 Qh5 {½-½ (46) Salov,V (2715)-Kamsky,G (2710) Dos Hermanas 1995}) 16. exd4 Nf8 17. Rc1 Ng6 18. Re3 Qd7 19. Qe1 b5 20. d5 exd5 21. c5 (21. cxb5 $14 Qxb5 22. Bxf6 Rxe3 23. Qxe3 gxf6 24. Rc7) 21... Rxe3 $11 22. Qxe3 Re8 23. Qd2 Bc6 {[#]} (23... Ne4 $11 24. Qd4 Nf6) 24. Bxf6 $1 $16 gxf6 25. Nd4 Rd8 $2 (25... a6 $16 26. Rc3 Qc7) 26. Bb1 Kh8 $2 (26... Qc7 {was called for.} 27. Qh6 Bd7) 27. h4 {Played: Qd2-h6} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.15"]
[White "Loiseau, Quentin"]
[Black "Szabo, Marton Mihaly"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2471"]
[BlackElo "2282"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,23,31,0,25,0,8,2,0,6,2,-29,-25,-30,-33,-41,-44,-90,-78,-111,329,327,334,325,502,491,503,487,590,576,588,493,649,658,725,634,747,661,669,665,666,637,735,734,722,720,1043,1033,1173,1163,1241,1131,1448,1494,2068,2080,4790,2907,12808,12803,29970,29970,29971,29972,29980,29980,29992,29993,29993,29994]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. g3 {A30: Symmetrical English: Double Fianchetto and Hedgehog} Ne5 7. Bg2 Nf6 8. O-O {The position is equal.} Nxc4 9. e4 d6 10. Qc2 $146 (10. Qe2 $5 {[%cal Re2c4]} Qa6 11. Bg5 $11) ({Predecessor:} 10. Nc3 Bd7 11. Qe2 Rc8 12. g4 h6 13. Kh1 Be7 14. f4 h5 15. g5 {0-1 (26) Shinkevich,V (2440)-Ponkratov,P (2644) Skolkovo 2019}) 10... Qa6 11. Bg5 Bd7 12. Rc1 Ne5 13. N1d2 Be7 14. a4 Rc8 $2 {[%mdl 8192] [#]} ({Much weaker is} 14... Bxa4 $6 15. Qc7 $11) (14... Nfg4 $17 15. Bxe7 Kxe7) 15. Qxc8+ $1 $18 Bxc8 16. Rxc8+ Kd7 (16... Bd8 {was necessary.}) 17. Rxh8 Nfg4 18. Bxe7 Kxe7 19. h3 Nf6 20. a5 Qb5 21. Rc1 Nfd7 22. Rhc8 d5 23. exd5 exd5 24. R1c7 {Played: Rc8-c7} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.16"]
[White "Santagati, Alessandro"]
[Black "Vogel, Roven"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2288"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,73,26,31,18,2,2,30,0,-2,-4,-12,-12,0,0,1,0,10,8,16,1,32,4,14,0,7,12,8,5,36,31,86,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,344,0,0,-119,0,0,0,0]} 1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Nf3 Nc6 6. Bb5 Bd6 7. O-O Nge7 8. dxc5 Bxc5 9. Nbd2 O-O 10. Nb3 Bb6 11. a4 {C09: French Tarrasch: 3...c5 4 exd5 exd5 5 Ngf3 Nc6} (11. Re1 Bg4 12. Be3 Bxe3 13. Rxe3 Nf5 14. Re1 Nh4 15. Be2 Re8 16. Nxh4 Bxe2 17. Rxe2 Qxh4 18. Rd2 Rad8 19. Nd4 g6 20. g3 {½-½ (31) Vitiugov,N (2726)-Rapport,R (2738) Prague 2019}) 11... Bg4 12. h3 $146 ({Predecessor:} 12. Be2 Re8 13. h3 Be6 14. Bf4 Ng6 15. Bg3 a6 16. Nbd4 Nxd4 17. Nxd4 Qg5 18. Re1 Rad8 19. Qb3 Bxd4 20. cxd4 {0-1 (39) Huang,H (2082)-Kanovsky,D (2254) Balatonlelle 2003}) 12... Bf5 13. Nfd4 {White has an edge.} Be4 14. Bf4 a6 15. Be2 Ng6 16. Bg3 Qf6 17. a5 Ba7 18. Nxc6 Qxc6 19. Kh2 Rfe8 20. f3 Bf5 21. Re1 Bb8 22. Bxb8 Raxb8 23. Nd4 {[%cal Bb3d4,Bd4f3,Bf3g5][%mdl 32]} Qc7+ 24. g3 Be6 (24... Ne7 $14) 25. Bd3 ({Don't play} 25. Nxe6 $6 Rxe6 26. Bf1 Rxe1 $11) (25. f4 $16 {Strongly threatening f5.} Bd7 26. Qd2) 25... Ne5 $11 26. f4 Nxd3 27. Qxd3 Bd7 28. Nf3 Qc5 {[#] And now ...Qf2+ would win.} 29. Kg2 Rxe1 30. Rxe1 Qxa5 31. Ng5 g6 32. Re7 Bf5 33. Qd4 Rf8 $2 {[%mdl 8192]} (33... Be4+ $11 {and Black has nothing to worry.} 34. Nxe4 dxe4) 34. Nxf7 $2 ({Inferior is} 34. Rxb7 h6 $11) (34. g4 $18) 34... Rxf7 35. Re8+ Rf8 36. Re7 $1 {[%csl Ge7][%cal Rd4g7] [#]} Rf7 37. Re8+ {Accuracy: White = 48%, Black = 65%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.17"]
[White "Womacka, Mathias"]
[Black "Buchal, Stephan"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2436"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,67,35,16,26,31,37,27,45,32,54,40,47,53,51,27,63,58,64,60,69,63,81,71,66,72,81,45,74,22,19,18,25,0,0,-21,33,-175,0,-14,64,-97,17,18,18,-50,35,0,63,0,0,-37,-39,-39]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Qd3 Qxc5 8. Be3 Qa5 9. Qb5+ Qxb5 {B09: Pirc Defence: Austrian Attack} 10. Bxb5+ Nc6 (10... Bd7 11. Bxd7+ Nbxd7 12. O-O-O Nb6 13. h3 Nfd7 14. Bd4 O-O 15. Bxg7 Kxg7 16. g4 Rac8 17. g5 {½-½ (48) Albornoz Cabrera,C (2577)-Almeida Quintana,O (2550) Santa Clara 2019}) 11. O-O-O O-O {White has an edge.} 12. Rhe1 Bg4 $146 ({Predecessor:} 12... Rd8 13. e5 Ne8 14. Nd5 Kf8 15. exd6 exd6 16. Bf2 Be6 17. Bh4 {0-1 (36) Mueller,K-Thal,O Stralsund 1975}) 13. Be2 Rfd8 14. h3 Bd7 15. Bf1 Be8 16. g4 Nd7 17. Nd5 Kf8 18. Bf2 Rac8 19. Bh4 f6 20. Kb1 Bf7 21. c3 h6 22. g5 (22. Bf2 $16) 22... fxg5 $11 23. fxg5 h5 $1 24. Bg2 Nde5 25. Nxe5 Nxe5 (25... Bxe5 $11 26. Bf2 Kg7) 26. c4 $2 (26. Bf2 $14 {keeps the upper hand.}) 26... Nc6 $2 ({Don't take} 26... Rxc4 27. b3 $17) ({Better is} 26... Nxc4 $19 27. Re2 Be5) 27. Bf2 e5 (27... Be5 $11) 28. Nf6 $2 {[#]} (28. Be3 $14) 28... Nd4 ({Black should try} 28... Bxf6 $1 $17 29. gxf6 Bxc4) 29. Bxd4 exd4 30. Rxd4 (30. b3 $11) 30... Be6 ({Black should play} 30... Bxf6 $15 31. gxf6 Rxc4) 31. Rd2 Ke7 (31... Bxc4 $11 32. Bf1 Bxf6) 32. Rf2 (32. Nd5+ $14 Bxd5 33. exd5+ Be5 34. Rc2) 32... Rf8 {[%cal Rg7f6]} 33. Ref1 Bxc4 {[#] White must now prevent ...Bd3+.} 34. Nd5+ $1 {Accuracy: White = 26%, Black = 48%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.18"]
[White "Raupp, Thomas"]
[Black "Bellia, Fabrizio"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2259"]
[BlackElo "2433"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,62,-21,-17,-6,-11,4,-20,-20,-16,-16,-16,-16,-20,-16,-18,-16,-19,-20,-26,-14,-25,0,-16,-10,-23,-11,-35,-19,-16,-19,-27,-21,-74,-33,-218,-221,-222,-229,-233,-229,-226,-226,-295,-308,-295,-277]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d6 7. Bg5 Nbd7 8. Nf3 b6 9. Nd2 Bb7 10. f3 Rc8 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} 11. e4 (11. e3 c5 12. Be2 h6 13. Bh4 d5 14. dxc5 Rxc5 15. b4 Rc8 16. Qb2 Qc7 17. Bg3 Qd8 18. O-O {1-0 (55) Yu,Y (2736)-Parligras,M (2638) Changsha 2019}) 11... c5 12. Bd3 h6 {The position is equal.} 13. Bh4 cxd4 14. Qxd4 Nc5 {[%cal Bd7c5,Bc5e6,Be6d4][%mdl 32]} 15. Be2 e5 16. Qf2 Ne6 17. O-O g5 18. Bg3 Nh5 19. Rfd1 Nhf4 20. Bf1 {[#]} Nd4 $146 {[%mdl 2048] Black has the initiative.} ({Predecessor:} 20... Bc6) 21. Rac1 f5 {Hoping for ...fxe4.} 22. exf5 (22. Bxf4 $5 gxf4 23. Bd3 $15) 22... Rxf5 23. Qe3 Qf8 24. Ne4 Rc7 25. Nc3 (25. Nf2 $11) 25... Rcf7 {White must now prevent ...Nh3+!} 26. Rxd4 $2 (26. Bxf4 $15 gxf4 27. Qf2) 26... exd4 $19 27. Qxd4 {[#]} g4 $1 {[%mdl 512]} 28. Ne4 (28. fxg4 Nh3+) 28... gxf3 29. gxf3 Bxe4 30. fxe4 {[#]} Ne6 $1 {[%mdl 512]} 31. Qd3 Rf3 {Accuracy: White = 44%, Black = 65%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.19"]
[White "Smith, Bryan"]
[Black "Nebolsina, Vera"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2430"]
[BlackElo "2252"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,47,53,47,49,52,54,49,68,69,58,57,64,41,58,25,50,32,87,80,101,130,124,120,148,153,251,241,314,104,110,110,143,138,139,111,116,125,162,129,147,126,181,185,160,170,220,224,373,364,360,392,562,554,534,505,659,666]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 a6 5. O-O e6 6. c3 {B06: Modern Defence} Ne7 7. Re1 h6 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32] White is slightly better.} b6 9. Nf1 Bb7 10. Ng3 Nd7 11. a4 Nf6 12. Bb3 $146 ({Predecessor:} 12. h3 Nxe4 13. Nxe4 Bxe4 14. Rxe4 {½-½ (52) Cornette,M (2544)-Moussard,J (2435) Paris 2011}) 12... O-O 13. Qe2 Ra7 (13... c5 $14) 14. h4 $16 d5 15. e5 Ne4 16. Bc2 ({But not} 16. Nxe4 dxe4 17. Nh2 Nf5 $14) 16... Nxg3 17. fxg3 Nf5 {[#]} (17... c5 $16 {was worth a try.}) 18. Qf2 $1 $18 f6 19. Bxf5 $2 (19. g4 $18 {and White stays clearly on top.}) 19... exf5 $16 20. exf6 Qxf6 21. Bf4 Bc8 22. Qd2 Kh7 23. Be5 Qf7 24. Bxg7 Qxg7 25. Qf4 a5 (25... Qf6 $16 26. a5 bxa5 27. Rxa5 c6) 26. Re5 $18 c6 27. Rae1 {[%cal Ba1e1,Be1e8,Be8b8][%mdl 32]} Raf7 28. Re8 Rxe8 (28... c5 $142 29. Qd6 f4 30. gxf4 (30. Qxd5 Bb7 $16) (30. dxc5 bxc5 31. gxf4 Bg4 $18) (30. Qxb6 cxd4 31. Rxf8 Rxf8 $16) 30... Bg4) 29. Rxe8 Bd7 30. Rb8 b5 (30... Re7 {was called for.} 31. Rxb6 Be8) 31. axb5 {White is clearly winning.} cxb5 32. Qd6 f4 33. Ne5 {Accuracy: White = 64%, Black = 30%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.20"]
[White "Rasch, Holger"]
[Black "Braeuer, Franz"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "2236"]
[BlackElo "2429"]
[Annotator "RC"]
[PlyCount "74"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. Bb5 {[%emt 0:00:00]} Bd6 {[%emt 0:00:24]} 5. a3 {[%emt 0:00:59]} O-O {[%emt 0:04:28]} 6. d3 {[%emt 0:00:35]} a6 {[%emt 0:02:19]} 7. Bc4 {[%emt 0:00:25]} Be7 {[%emt 0:06:28]} 8. h3 {[%emt 0:05:21]} d6 {[%emt 0:00:39]} 9. Be3 {[%emt 0:01:12]} b5 {[%emt 0:00:13]} 10. Ba2 {[%emt 0:01:17]} Be6 {[%emt 0:00:11]} 11. Nd5 {[%emt 0:03:05]} Qd7 {[%emt 0:07:26]} 12. Ng5 {[%emt 0:12:04]} Bxd5 {[%emt 0:11:32]} 13. exd5 {[%emt 0:03:19]} Nd4 {[%emt 0:00:03]} 14. Bxd4 {[%emt 0:06:38]} exd4 {[%emt 0:00:04]} 15. Nf3 {[%emt 0:00:19]} Nh5 {[%emt 0:12:29]} 16. Nxd4 {[%emt 0:32:27]} Bf6 {[%emt 0:04:55]} 17. Qxh5 {[%emt 0:02:38]} Bxd4 {[%emt 0:00:03]} 18. c3 {[%emt 0:01:21]} Rfe8+ {[%emt 0:02:02]} 19. Kf1 {[%emt 0:00:21]} Bf6 {[%emt 0:00:54]} 20. d4 {[%emt 0:06:04]} a5 {[%emt 0:07:17]} 21. Rd1 {[%emt 0:02:04]} b4 {[%emt 0:05:16]} 22. axb4 {[%emt 0:00:15]} axb4 {[%emt 0:00:01]} 23. Bb1 {[%emt 0:00:18]} g6 {[%emt 0:09:37]} 24. Qf3 {[%emt 0:00:21]} Bg7 {[%emt 0:01:37]} 25. g3 {[%emt 0:00:12]} bxc3 {[%emt 0:00:23]} 26. bxc3 {[%emt 0:00:06]} Qb5+ {[%emt 0:08:51]} 27. Kg2 {[%emt 0:00:50]} Qc4 {[%emt 0:00:01]} 28. Rhe1 {[%emt 0:01:22]} Rab8 {[%emt 0:00:13]} 29. Rxe8+ {[%emt 0:11:02]} Rxe8 {[%emt 0:00:01]} 30. Be4 {[%emt 0:00:21]} f5 {[%emt 0:04:37]} 31. Qd3 {[%emt 0:00:43]} Qxd3 {[%emt 0:01:13]} 32. Bxd3 {[%emt 0:00:03]} Ra8 {[%emt 0:00:04]} 33. Rc1 {[%emt 0:04:10]} Ra3 {[%emt 0:00:29]} 34. Bc4 {[%emt 0:00:43]} Bh6 {[%emt 0:02:29]} 35. f4 {[%emt 0:00:21]} g5 {[%emt 0:00:03]} 36. fxg5 {[%emt 0:01:06]} Bxg5 {[%emt 0:00:04]} 37. Rc2 {[%emt 0:00:10]} f4 {[%emt 0:01:35]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.21"]
[White "Meins, Gerlef"]
[Black "Donchenko, Anatoly"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2415"]
[BlackElo "2229"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,116,18,19,47,47,47,40,40,41,50,41,54,45,52,52,56,38,49,48,48,45,45,52,54,38,38,38,38,45,85,48,48,48,48,23,28,20,16,27,29,33,28,26,12,0,0,0,21,0,0,0,6,6,19,4,25,18,30,31,47,32,51,0,0,0,0,0,0,0,0,0,41,44,54,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Bg2 Bd7 7. O-O g6 8. Nc3 Bg7 9. b3 Qc8 {A31: Symmetrical English: 2 Nf3 Nf6 3 d4} (9... Nxd4 10. Qxd4 Bc6 11. Bb2 O-O 12. Nd5 Bxd5 13. cxd5 Qa5 14. Bc3 Qa6 15. Qd2 Rfc8 16. Rfc1 Qb5 17. Rab1 a5 18. e4 Nd7 19. Bxg7 Kxg7 20. Qd4+ Kg8 {1-0 (41) So,W (2779)-Grischuk,A (2771) Saint Louis 2015}) 10. Bb2 Bh3 11. Nd5 Bxg2 {White is slightly better.} 12. Kxg2 Nxd5 13. cxd5 {[#] Hoping for Rc1.} Nxd4 14. Bxd4 O-O $146 ({Predecessor:} 14... Bxd4 15. Qxd4 {½-½ (33) Cvek,R (2518)-Thorfinnsson,B (2360) Novi Sad 2009}) 15. Bxg7 Kxg7 16. Qd4+ Kg8 17. Rac1 Qd7 18. Rc4 Rfc8 19. Rfc1 a6 20. Qe3 Rxc4 21. Rxc4 $14 {[%mdl 4096] Endgame KQR-KQR} b5 22. Rc6 (22. Rc1 {with more complications.} b4 23. h4 a5 24. Qe4 Ra7 25. Qc4) 22... Qb7 23. Qb6 (23. Qc1 {keeps more tension.} a5 24. e4 Qd7 25. Rc7 Qe8 26. g4) 23... Qxb6 24. Rxb6 {KR-KR} f5 25. Kf3 Kf7 26. Ke3 Rc8 27. Rxa6 Rc3+ $1 28. Kd4 Rc2 29. Kd3 Rc5 $1 30. Kd4 {[#] Black must now prevent Rc6.} Rc2 31. Kd3 Rc5 $1 32. Rc6 {aiming for Kd4.} Rxd5+ 33. Kc2 Ke6 34. a4 bxa4 35. bxa4 Kd7 36. Rc4 Ra5 37. Kb3 Ra8 38. h4 e5 39. e3 ({Better is} 39. Rb4 $14) 39... d5 $11 40. Rc5 Kd6 41. Rb5 Rc8 42. Rb6+ Kc5 43. Rb4 (43. Re6 {is more complex.} Rb8+ 44. Ka3 f4 45. Rxe5 fxe3 46. fxe3 Kd6 47. Rg5) 43... Rd8 44. Rb5+ Kc6 45. Kc3 (45. Kb4 $1 $14) 45... d4+ {The position is equal.} 46. exd4 Rxd4 47. Rxe5 Rxa4 48. Re7 Ra2 49. Kd4 Rxf2 50. Rxh7 Rf3 51. Rh6 Rxg3 52. h5 Kd6 53. Rxg6+ Rxg6 54. hxg6 {White threatens g7 and mate. KP-KP} Ke6 55. g7 Kf7 56. Ke5 Kg8 57. Kxf5 {Threatening mate with Kf6.} Kf7 58. Kg5 Kxg7 {Accuracy: White = 60%, Black = 70%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.22"]
[White "Zysk, Robert"]
[Black "Hedke, Fred"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2412"]
[BlackElo "2225"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,127,26,16,21,0,5,16,0,0,0,0,28,29,29,28,45,33,38,31,73,75,63,39,37,55,60,54,57,66,58,35,35,35,37,32,28,30,31,33,41,2,20,10,17,15,20,8,8,16,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 h6 7. Bh4 O-O 8. Bd3 b6 9. cxd5 exd5 10. O-O Bb7 11. Rc1 Ne4 12. Bxe7 Qxe7 13. Qa4 c5 {D58: Queen's Gambit Declined: Tartakower Defence} 14. Rfd1 Rfd8 (14... Nxc3 15. Rxc3 c4 16. Bf5 Nf6 17. b3 g6 18. Bb1 cxb3 19. Qxb3 Rfc8 20. Rdc1 Rxc3 21. Rxc3 Rc8 22. Ne5 Rxc3 23. Qxc3 Qd6 24. f3 {½-½ (24) Margvelashvili,G (2532)-Colas,J (2374) Philadelphia 2016}) 15. dxc5 {[#] And now c6 would win.} Nxc3 $146 ({Predecessor:} 15... Ndxc5 16. Qa3 Qf6 17. b4 Nxd3 18. Rxd3 a5 19. b5 d4 20. Nxe4 Bxe4 21. Rxd4 Bxf3 {½-½ (60) Krebs,J (2218)-Tschohl,C (2160) Austria 2010}) 16. Rxc3 {Strongly threatening c6.} bxc5 17. Qf4 d4 18. exd4 Bxf3 $1 19. Qxf3 cxd4 20. Rcc1 Qd6 21. Qe4 {Threatens to win with Qh7+.} g6 22. Rc6 Qe5 23. f4 Qxe4 24. Bxe4 Nf8 25. Rc4 Rac8 26. Rxc8 Rxc8 $14 {[%mdl 4096] Endgame KRB-KRN} 27. f5 gxf5 28. Bxf5 Rc5 29. g4 Rd5 30. Kf2 Ne6 31. Kf3 Nc5 32. Rc1 h5 {The position is equal.} 33. h3 hxg4+ 34. hxg4 Kg7 35. b3 Kf6 36. b4 Ne6 37. Bxe6 (37. Rd1 {is interesting.} Ke5 38. Re1+ Kf6 39. a4 Rd8 40. b5) 37... fxe6 $11 {KR-KR} 38. Rc5 Rd6 39. g5+ Kg6 40. Ke2 Ra6 41. Kd3 Rxa2 42. Kxd4 Ra6 43. Kc4 Rd6 44. Re5 Ra6 45. Kb5 Rb6+ 46. Ka5 Rd6 47. b5 Rb6 48. Rc5 Kh5 49. Rc6 e5 $1 50. g6 Kh6 $1 51. g7+ {[%mdl 64] [#] Decoy} Kxg7 52. Rc7+ Kf6 53. Rxa7 Rb8 54. b6 e4 55. b7 e3 {White must now prevent ...e2.} 56. Kb6 Kf5 57. Ra8 (57. Ra5+ {with more complications.} Ke4 58. Ra4+ Kf3 59. Ra8 Rxb7+ 60. Kxb7 Kf4 61. Kc6) 57... Rxb7+ 58. Kxb7 {KR-KP} Kf4 59. Re8 Kf3 60. Kc6 e2 61. Kd5 Kf2 62. Rf8+ Kg1 63. Re8 Kf2 64. Rxe2+ {Accuracy: White = 60%, Black = 76%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.23"]
[White "Gschnitzer, Adrian"]
[Black "Ehrke, Michael"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2412"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,103,44,68,56,55,37,26,31,58,76,76,77,93,118,81,81,81,66,81,89,72,73,66,67,58,68,61,72,71,86,81,82,74,76,90,87,80,73,79,82,85,127,132,120,121,154,104,107,81,153,67,67,61,61,47,67,47,47,47,47,47,61,61,61,61,61,61,61,61,75,61,61,43,54,0,61,61,61,24,61,0,0,0,0,-395,80,0,97,98,98,92,134,-1715]} 1. c4 e6 2. d4 ({Predecessor:} 2. Nc3 d5 {½-½ (65) Harika,D (2500)-Amura,C (2249) Batumi 2018}) 2... d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. dxc5 d4 7. Na4 Bxc5 {[%mdl 64] Decoy. D32: Tarrasch Defence: Sidelines and lines without g3} 8. Nxc5 Qa5+ 9. Qd2 $146 (9. Bd2 Qxc5 10. Rc1 Qb6 11. e3 Nf6 12. Bc4 dxe3 13. Bxe3 Qb4+ 14. Bd2 Qe7+ 15. Be2 {½-½ (74) Wojtaszek,R (2737)-Nisipeanu,L (2672) Dortmund 2019}) 9... Qxc5 {White has an edge.} 10. a3 Bg4 11. b4 Qd5 12. Bb2 {[%cal Rf3d4]} Rd8 13. Rd1 {[%cal Rf3d4]} Bxf3 14. exf3 a6 15. Bd3 Nf6 16. O-O {Black must now prevent Rfe1+.} O-O 17. f4 Rfe8 18. Rfe1 h6 19. Qc2 Qd7 20. g3 Nd5 21. Bh7+ Kh8 22. Bf5 Rxe1+ 23. Rxe1 Qd6 24. Qc4 b5 25. Qe2 {Strongly threatening Qe8+!} Nde7 26. Bd3 g6 27. h4 Qd5 28. Rc1 Rd6 29. Rc5 Qe6 30. Qf3 Rd5 {[#]} (30... Qb3 $142 31. Qe2 Rd5) 31. Rc2 (31. Rxd5 $1 $16 Qxd5 32. Qxd5 Nxd5 33. Be4) 31... h5 $14 32. Be4 Rd6 33. Re2 {Threatens to win with Bxc6.} Qg4 34. Qd3 Qd7 35. Qb3 Kg7 36. Rc2 f6 37. Qd3 Nf5 38. Kh2 Nce7 39. Rc5 Qe6 40. Rc7 Rd7 41. Rc2 Qd6 42. Kh3 Qe6 {And now ...Nd6+ would win.} 43. Kh2 Qd6 $1 44. Kg2 Qb6 45. Qb3 Qd6 46. a4 (46. Re2 $14) 46... bxa4 $11 47. Qxa4 Qe6 48. Re2 $2 {[%mdl 8192] [#]} (48. Bf3 $11) 48... Qd6 $2 (48... Ne3+ $1 $19 {[%mdl 512]} 49. Kh2 (49. fxe3 Qxe4+) 49... Qxe4 50. fxe3 Rd6) 49. Bd3 ({White should try} 49. b5 $16 axb5 50. Qxb5) 49... Qd5+ (49... Nd5 $11 {keeps the balance.}) 50. Kh2 $16 Rd6 51. Qe8 Qf7 52. Qc8 $2 {[%mdl 8192] Accuracy: White = 56%, Black = 50%.} (52. Qa8 $16) 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.24"]
[White "Manu David Suthandram R"]
[Black "Goldbeck, Lars"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2403"]
[BlackElo "2203"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,72,21,0,0,-3,0,-40,-34,-20,-31,-38,-23,-57,-52,-58,70,69,51,57,95,109,139,85,116,52,93,70,235,183,217,225,187,191,217,191,197,75,160,145,322,322,519,513,868,814,1453,1447,1436,1316,1458,1402,1297,1285,1544,1463,29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Be6 10. Kh1 Nbd7 {B92: Sicilian Najdorf: 6 Be2} 11. a4 (11. f4 Rc8 12. Qe1 b5 13. a3 Qc7 14. Qg3 Kh8 15. Nd2 Nb6 16. f5 Bd7 17. Qf2 Na4 18. Nxa4 bxa4 19. Bxa6 {1-0 (42) Haddouche,M (2505)-Hesham,A (2428) Zeralda 2014}) 11... Rc8 12. a5 Rxc3 {[%mdl 64] Remove Defender. Black is slightly better.} 13. bxc3 Nxe4 14. Qe1 Qc7 15. Bd3 Nxc3 16. Bd2 Rc8 $146 ({Black should try} 16... Nd5 $15) ({Predecessor:} 16... Nd5 17. c4 N5f6 18. Rc1 Nh5 19. Rc2 Rc8 {0-1 (49) Bednar,M (2257)-Voracek,M (2210) Czechia 2012}) 17. Bxc3 $1 $14 Qxc3 {[#]} 18. Qe4 $1 {[%csl LRb7,LRh7][%mdl 576] Double Attack} f5 19. Qxb7 Rb8 20. Qf3 (20. Qxa6 $142 Kf7 21. Rfc1) 20... Kh8 21. Rab1 (21. Qe2 $16) 21... Nf6 {Threatening ...e4.} 22. Bxa6 Qxc2 $2 (22... Qc7 $1 $14) 23. Bd3 Qc8 {White must now prevent ...e4.} 24. Rfc1 Qg8 {And now ...e4 would win.} 25. Bxf5 Bxb3 26. a6 {Strongly threatening a7.} Bd5 27. Qa3 (27. Rxb8 $18 {is the precise move to win.} Qxb8 28. a7 $1 {[%mdl 512]} Qxa7 29. Qxd5 $1 {[%mdl 512]}) 27... Ra8 (27... Rf8 $142) 28. a7 $16 {[%mdl 1024] White has strong compensation.} g6 $2 {[#]} (28... Qf7 $16 {was called for.}) 29. Bc8 $1 $18 {[%mdl 512]} Kg7 $2 {[#]} (29... Rxc8 {keeps fighting.} 30. Rxc8 Qxc8) 30. Bb7 $1 Ng4 (30... Bxb7 $142 31. Rxb7 Qd8) 31. f3 Nf6 32. Bxa8 Bxa8 33. Qb3 Bd5 34. Qb8 Qe6 {[#]} 35. Rb7 $1 {[%mdl 512]} e4 (35... Bxb7 36. Qxb7) 36. a8=Q {[%csl Ga8][%cal Rb8f8]} exf3 37. Qf8# {Accuracy: White = 66%, Black = 14%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.25"]
[White "Atakisi, Umut"]
[Black "Marentini, Marcel"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2393"]
[BlackElo "2068"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,45,16,21,18,8,3,-6,35,19,122,88,91,85,86,83,89,86,113,105,144,136,135,145,168,180,275,263,495,502,493,426,626,578,520,441,440,430]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 d6 5. Nd3 Bxc3 6. dxc3 Nxe4 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 7. Be3 O-O 8. Qf3 d5 $146 {The position is equal.} (8... Re8 {keeps more tension.} 9. Nf4 Nc6 10. Bd3 Nf6 11. h3 Ne5) ({Predecessor:} 8... Qh4 9. g3 Qe7 10. Bg2 Nf6 11. O-O-O Qe6 12. Bd4 Ng4 13. Kb1 Nc6 14. Nf4 Qe7 {½-½ (60) Areshchenko,A (2714)-Kokarev,D (2611) St Petersburg 2013}) 9. O-O-O Qf6 (9... Nd7 $11 {remains equal.}) 10. Qxf6 Nxf6 11. Nf4 $36 {[%mdl 2048] Black is under strong pressure.} c6 12. c4 dxc4 13. Bxc4 Bf5 14. f3 h5 15. h3 Nbd7 16. g4 $1 {[%cal Rg4f5]} Ne5 17. Bb3 hxg4 (17... Bh7 $142) 18. hxg4 $18 Bxg4 $2 {[#]} (18... Bh7 19. g5 Nd5) 19. fxg4 {White is clearly winning.} Nfxg4 20. Bd4 Rfe8 (20... Rfd8 $142 21. Rh3 Rd6) 21. Rdg1 Rad8 22. Bxe5 Nxe5 23. Nh5 {Accuracy: White = 82%, Black = 37%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.26"]
[White "Shevchenko, Kirill"]
[Black "Lederle, Vitus"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2542"]
[BlackElo "2223"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,117,5,12,12,20,18,10,16,19,14,14,18,18,37,38,70,59,70,65,65,59,58,62,68,57,61,65,70,70,63,50,49,52,72,69,97,56,104,103,110,52,89,95,87,87,90,61,56,59,62,50,110,128,98,104,426,415,383,416,401,370,408,371,504,507,507,464,448,0,507,507,628,652,648,640,611,610,533,483,1010,1004,992,960,948,777,953,606,568,415,984,984,29946,29949,6629,6103,29962,29964,29957,29940,29943,29940,12799,6456,5700,4710,1694,1460]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Nbd2 d6 6. c3 O-O 7. O-O a6 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} 8. Bxc6 (8. Ba4 Ba7 9. h3 Ne7 10. d4 Ng6 11. Bc2 Re8 12. Re1 Bd7 13. Nf1 c5 14. dxc5 dxc5 15. Bg5 Be6 16. Ne3 c4 17. Qe2 Bxe3 18. Bxe3 h6 19. Nd2 b5 20. a4 {1-0 (54) Dominguez Perez,L (2763)-Wang,H (2726) Khanty-Mansiysk 2019}) 8... bxc6 9. d4 exd4 {The position is equal.} 10. cxd4 Bb6 11. Qc2 Bd7 12. b3 d5 $146 ({Predecessor:} 12... Re8 13. Re1 c5 14. Bb2 cxd4 15. Bxd4 {½-½ (27) Kuhne,D (2339)-Kiselev,V (2327) ICCF email 2013}) 13. e5 Ne4 14. Nxe4 Bf5 {[%mdl 64] [#] Pin} 15. Nf6+ {[%mdl 64] Discovered Attack} ({Reject} 15. Qxc6 $6 dxe4 16. Bg5 f6 $15) 15... Qxf6 $1 16. Qc3 Qe6 17. Ba3 Rfe8 18. Bc5 Qh6 19. Rac1 Bd7 20. Rfe1 Re6 21. Qd2 Qxd2 22. Nxd2 g5 23. Re3 Rae8 24. Nf3 h6 25. h4 Rg6 26. b4 (26. h5 $16 Rge6 27. Ne1) 26... Bxc5 27. Rxc5 gxh4 28. Nxh4 Rg4 29. Rg3 Rxg3 30. fxg3 $14 {[%mdl 4096] Endgame KRB-KRN} Rb8 31. a3 Rb6 ({Black should try} 31... Kf8 $14) 32. Kf2 $16 f6 33. Nf3 Bg4 $2 {[%mdl 8192]} (33... Kf7 $16 {is tougher.}) 34. exf6 $18 Bxf3 35. gxf3 {KR-KR} Kf7 36. g4 Kxf6 37. Kg3 h5 38. Kf4 h4 39. Rc2 Kg6 40. Rc5 Kf6 41. g5+ Kg6 42. Kg4 h3 43. f4 h2 44. Rc1 c5 45. Rh1 cxb4 (45... cxd4 $142 46. f5+ Kf7 47. Rxh2 d3) 46. axb4 Rxb4 47. Rxh2 Rxd4 48. Rh6+ Kg7 49. Rxa6 Rc4 50. Ra8 Kg6 (50... d4 $142 51. Kf5 Kf7) 51. Rd8 c6 52. Rd7 Ra4 53. Rd6+ {[%mdl 64] [#] Double Attack} Kg7 54. Rxc6 d4 55. Kf5 d3 56. Rc7+ Kf8 57. Rd7 {White is clearly winning.} Ra5+ 58. Ke4 Ra4+ 59. Ke3 {Accuracy: White = 83%, Black = 37%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.27"]
[White "Sieglen, Joachim"]
[Black "Yankelevich, Lev"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2187"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,65,45,13,45,46,70,-8,-15,-18,-6,-24,-20,-78,-11,-11,-12,-11,-14,-13,-13,-19,-8,-4,-10,-34,-22,-27,-4,-6,-6,-12,0,0,258,248,258,258,258,258,258,258,258,258,258,258,258,258,697,695]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 Re8 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1} (10... axb4 11. Bxb4 Ne8 12. c5 dxc5 13. Bxc5 Nd6 14. Nd2 Bd7 15. a4 b6 16. Bb4 Nec8 17. a5 bxa5 18. Rxa5 Rxa5 19. Bxa5 {1-0 (57) Duda,J (2730)-Giri,A (2780) chess.com INT 2019}) 11. bxa5 c5 12. dxc6 (12. Bc1 $14) 12... Qxa5 $11 {The position is equal.} 13. Bb2 $146 ({Predecessor:} 13. cxb7 Bxb7 14. Nb5 Nxe4 15. Qe1 Qb6 16. Rb1 Qc6 17. Qb4 Nf5 18. Rfd1 {0-1 (41) Hilverda,A (2362)-Salomon,J (2494) Stockholm 2018}) 13... Nxc6 14. Nd2 Nd4 15. Nb3 (15. Bd3 $11 {keeps the balance.}) 15... Qb6 (15... Nxe2+ $17 16. Qxe2 Qb6) 16. Nxd4 exd4 ({Of course not} 16... Qxb2 $6 17. Ndb5 $14) 17. Nb5 Nxe4 18. Bxd4 Bxd4 19. Qxd4 Qxd4 20. Nxd4 Ra4 21. Rfe1 Nc3 22. Bf1 $1 Rxe1 23. Rxe1 {[#] aiming for Re8+.} Kf8 24. Re3 Nxa2 25. Nb5 Ra6 $2 {[%mdl 8192]} (25... Be6 $11) 26. Nc7 $18 {Threatens to win with Re8+.} Bd7 27. Nxa6 bxa6 {[%mdl 4096] Endgame KRB-KBN} 28. Rb3 Ke7 29. f3 Kd8 30. Kf2 Kc7 31. Ke3 h6 32. Kd2 {[#] Black must now prevent Rb2.} Bf5 $2 (32... a5 33. Ra3 {[%mdl 64] Double Attack} Nb4 34. Rxa5 Kb6) 33. Rb2 {Accuracy: White = 67%, Black = 42%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.28"]
[White "Parvanyan, Ashot"]
[Black "Gohla, Ulf"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2448"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,47,-25,-31,-9,-37,11,-12,34,22,42,5,95,94,288,254,256,243,282,248,368,405,557,572,623,547,514,511,716,762,1095,1090,1082,1076,1008,1008]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. h4 a5 {C45: Scotch Game} 9. c4 Ba6 10. g3 (10. b3 f6 11. exf6 Nxf6 12. Nc3 O-O-O 13. Bb2 Qd6 14. Rh3 Re8 15. Re3 Rxe3 16. Qxe3 {½-½ (28) Swiercz,D (2648)-Melkumyan,H (2653) Saint Louis 2019}) 10... Qb4+ {The position is equal.} 11. Nd2 Nb6 12. a3 Qc5 $146 {[#]} (12... Qe7 $1 $11 {keeps the balance.}) ({Predecessor:} 12... Qe7 13. b3 O-O-O 14. Bb2 a4 15. b4 c5 16. bxc5 Qxc5 {1-0 (28) Nestorovic,N (2473)-Marn,J (2150) Sarajevo 2019}) 13. b3 $1 $36 {[%mdl 2048] Keeping Black busy.} Nc8 $2 (13... a4 $16) 14. Bb2 Qb6 15. Bh3 {And now Qg4 would win.} Na7 16. b4 O-O-O (16... c5 {might work better.} 17. b5 Bb7) 17. O-O axb4 18. axb4 {White is clearly winning.} Bxb4 19. Ra4 Bb7 20. Rfa1 c5 21. Rxa7 Qc6 {[#]} 22. Rxb7 $1 Qxb7 23. Bg2 c6 24. Ne4 {Accuracy: White = 68%, Black = 16%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.29"]
[White "Morawietz, Dieter"]
[Black "Cordts, Ingo"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2419"]
[BlackElo "2212"]
[Annotator "RC"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:20]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:09]} 4. a3 {[%emt 0:02:07]} Bxc3+ {[%emt 0:00:07]} 5. bxc3 {[%emt 0:00:06]} dxc4 {[%emt 0:02:06]} 6. e3 {[%emt 0:04:51]} b5 {[%emt 0:00:59]} 7. a4 {[%emt 0:01:25]} c6 {[%emt 0:01:15]} 8. axb5 {[%emt 0:15:40]} cxb5 {[%emt 0:00:30]} 9. Qf3 {[%emt 0:00:11]} Qd5 {[%emt 0:01:18]} 10. Qg3 {[%emt 0:00:18]} g6 {[%emt 0:18:18]} 11. Be2 {[%emt 0:04:42]} Nc6 {[%emt 0:03:11]} 12. Bf3 {[%emt 0:08:30]} Qd7 {[%emt 0:00:11]} 13. Ba3 {[%emt 0:01:03]} Bb7 {[%emt 0:03:35]} 14. Nh3 {[%emt 0:05:30]} Nge7 {[%emt 0:01:50]} 15. Ng5 {[%emt 0:08:26]} Nf5 {[%emt 0:17:31]} 16. Qf4 {[%emt 0:08:52]} O-O-O {[%emt 0:09:21]} 17. Ne4 {[%emt 0:07:39]} e5 {[%emt 0:03:05]} 18. dxe5 {[%emt 0:04:38]} g5 {[%emt 0:06:15]} 19. Qxg5 {[%emt 0:00:12]} Nxe5 {[%emt 0:05:29]} 20. Nd6+ {[%emt 0:01:30]} Nxd6 {[%emt 0:02:34]} 21. Qxe5 {[%emt 0:00:18]} Bxf3 {[%emt 0:02:51]} 22. gxf3 {[%emt 0:00:31]} Nf5 {[%emt 0:01:52]} 23. O-O {[%emt 0:05:14]} Rhg8+ {[%emt 0:02:10]} 24. Kh1 {[%emt 0:00:10]} Rg5 {[%emt 0:01:48]} 25. Qf4 {[%emt 0:05:21]} Rdg8 {[%emt 0:01:28]} 26. Rfd1 {[%emt 0:08:51]} Qc6 {[%emt 0:01:54]} 27. e4 {[%emt 0:00:54]} Qg6 {[%emt 0:00:46]} 28. exf5 {[%emt 0:01:24]} Rxf5 {[%emt 0:04:14]} 29. Qg4 {[%emt 0:02:27]} Qxg4 {[%emt 0:00:20]} 30. fxg4 {[%emt 0:00:06]} Rxg4 {[%emt 0:01:41]} 31. Bd6 {[%emt 0:00:39]} Rxf2 {[%emt 0:01:42]} 32. Rxa7 {[%emt 0:00:33]} h5 {[%emt 0:01:47]} 33. Be5 {[%emt 0:00:52]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.30"]
[White "Ryzhkov, Vadim"]
[Black "Badelka, Olga"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2187"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,115,66,51,77,16,16,16,20,27,35,35,29,29,37,32,37,34,38,38,33,40,37,-22,-20,-24,-25,-23,0,0,0,0,0,0,0,-10,-8,-8,-8,-10,-7,-8,-2,-8,-17,-18,-12,-12,-10,-27,0,0,8,8,12,12,12,0,0,0,0,0,0,0,0,0,0,-5,0,0,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 g6 5. Nf3 Bg7 6. h3 O-O 7. O-O Nc6 8. Re1 e5 {[%cal Re5d4] B07: Pirc Defence: Miscellaneous Systems} 9. dxc5 (9. d5 $16 Ne7 10. Bd2) 9... dxc5 $11 10. Na3 Qe7 11. Bg5 Rd8 12. Qe2 h6 13. Bxf6 Qxf6 {[#]} 14. Bc4 $146 ({Predecessor:} 14. Nc2 a6 15. a4 Be6 16. Bc4 Bxc4 17. Qxc4 {½-½ (75) Barbosa,O (2538)-Li,C (2710) Jakarta 2011}) 14... a6 15. Nc2 b5 16. Bd5 Rb8 17. a4 Ne7 18. axb5 (18. Ne3 $14) 18... Nxd5 19. exd5 {[%cal Rb5a6]} axb5 20. Qxe5 Qb6 21. Qf4 Bb7 22. Ne3 Bxd5 23. Nxd5 Rxd5 24. Ne5 Rf8 {[#] Threatens to win with ...Qd6.} 25. Ra8 Qf6 26. Qxf6 Bxf6 27. Ng4 Bg7 28. Ree8 $132 {[%mdl 2048] White has counterplay} Rd1+ 29. Kh2 Rxe8 30. Rxe8+ {[%mdl 4096] Endgame KRB-KRN} Kh7 {...h5 is the strong threat.} 31. Re7 h5 32. Ne5 {The position is equal.} ({Much worse is} 32. Ne3 Rd2 $15) 32... Re1 {[#]} 33. Nxg6 $1 {[%mdl 512]} Rf1 (33... fxg6 34. Rxe1) 34. Nf4 {aiming for Kg3.} Rxf2 35. Nxh5 Bf8 36. Rd7 Kg6 37. Kg3 Rxb2 38. Rd8 Bh6 39. Rd5 c4 40. Kf3 Rb3 {Strongly threatening ...b4.} 41. Nf4+ Kh7 42. Ke4 b4 43. cxb4 $1 c3 44. Nd3 c2 45. Rc5 Rxd3 46. Kxd3 c1=Q 47. Rxc1 Bxc1 {KB-K3P} 48. b5 Kg6 49. b6 Bf4 50. Ke4 Bb8 51. b7 Kg5 52. g4 Bg3 53. Kd5 Kh4 54. Ke4 $1 Kg5 (54... Bb8 $5) 55. Kd5 Bh2 (55... Kh4 $5 {[%cal Rh4h3]} 56. Ke4 Kxh3 $11) 56. Ke4 Bb8 57. Kd5 Kh4 58. Ke4 $1 {Accuracy: White = 67%, Black = 71%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.31"]
[White "Bopp, Thomas"]
[Black "Miller, Eduard"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2156"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,92,28,31,26,25,32,29,27,34,0,50,44,50,43,58,58,41,55,66,58,77,72,145,59,74,50,90,4,4,0,0,0,0,0,0,0,81,78,65,0,0,0,0,-6,-2,-11,0,0,0,-7,0,-12,-12,-12,-12,-16,-16,-16,-5,-16,-8,-29,0,-58,-58,-58,-58,-141,-128,-274,-277,-816,-815,-503,-497]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Na6 7. Qd2 e5 8. d5 c6 9. f3 cxd5 10. cxd5 Bd7 11. Bxa6 {E73: King's Indian: Averbakh Variation without 6...c5} (11. Rc1 Qa5 12. Nb5 Qxd2+ 13. Bxd2 Ne8 14. b4 f5 15. Nh3 Bf6 16. Nf2 Bd8 17. a4 Bb6 18. Rf1 Nac7 19. Nxc7 Nxc7 {0-1 (40) Le,Q (2714)-Guseinov,G (2664) chess.com INT 2019}) 11... bxa6 12. Nge2 a5 13. b3 {White has an edge.} Qb6 14. Be3 Qa6 15. O-O Rab8 16. Rab1 $146 ({Predecessor:} 16. Rac1 Nh5 17. g4 Nf4 18. Nxf4 exf4 19. Bxf4 {1-0 (44) Gorovets,A (2494)-Remlinger,L (2304) Santa Clara 2014}) 16... Rb7 17. Nc1 Ne8 18. Nd3 Nc7 19. Nb2 Rfb8 20. Rbc1 Na8 (20... Ne8 $142) 21. Rc2 (21. Nc4 $16) 21... Nb6 22. Rfc1 Bf8 23. Qe2 (23. h3 $16) 23... Qxe2 $11 24. Nxe2 a4 25. Nxa4 Nxa4 26. bxa4 Bxa4 27. Rc8 Kg7 {[#]} (27... a6 $11) 28. Rxb8 $1 $16 Rxb8 29. Rc7 (29. Nc3 $14 Bd7 30. Bxa7) 29... Rb1+ $1 $11 30. Rc1 Rxc1+ 31. Bxc1 {[%mdl 4096] Endgame KBB-KBN} f5 32. Nc3 Be8 33. Be3 a6 34. Kf1 Kf7 35. Ke2 Be7 36. Bb6 Bg5 37. Kd1 h5 38. Kc2 Ke7 39. Kb3 Bd2 40. Nb1 Be1 41. a4 ({Better is} 41. Na3 $1 $11) 41... fxe4 $15 42. fxe4 g5 $1 43. Na3 ({White should play} 43. Be3 $15) 43... Bg6 {...g4 is the strong threat.} 44. Nc4 (44. Nc2 $17 Bd2 45. Be3 Bxe3 46. Nxe3) 44... Bxe4 $19 45. Bc7 $2 {[#]} (45. Ne3) 45... Bxd5 46. Bxd6+ Ke6 {Accuracy: White = 32%, Black = 41%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.32"]
[White "Piscopo, Pierluigi"]
[Black "Renner, Kai"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2398"]
[BlackElo "2153"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,0,0,-17,23,25,41,-6,80,91,161,117,112,97,122,108,109,89,276,281,277,202,211,144,153,150,156,150,166,141,115,-352,193,146,316,147,149,129,169,104,232,158,289,265,287,265,338,339,641,638,610,602,863,858,1214,1214,1214,1214,1214,977,932,882,1072,1047,869,853,5139,3680,3924,4665,2391,2256,1686,1816,2755,2083,1829,1731,12833,12833,12833,12833,12833,12660,12837,12838,12842,12843,12843,12843,12846,12844,12845,12845,12845,12844]} 1. Nf3 f5 2. d3 d6 3. e4 e5 4. Nc3 c5 (4... Be7 5. d4 fxe4 6. Nxe4 d5 7. Neg5 exd4 8. Bd3 Qd6 9. Nxd4 c5 10. Nb5 Qe5+ 11. Be3 Na6 12. O-O {1-0 (36) Svidler,P (2751)-Bu,X (2710) Tbilisi 2017}) 5. a3 $146 ({Predecessor:} 5. g3 Nf6 6. Bg2 Nc6 7. O-O Be7 8. Bg5 O-O 9. Nd2 Be6 10. a4 Qd7 11. exf5 Bxf5 12. Bxf6 Bxf6 {0-1 (40) Perez Ponsa,F (2553)-Hjartarson,J (2536) chess.com INT 2018}) 5... Nc6 6. b4 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} b6 7. g3 Nf6 8. Bg5 {White is slightly better.} fxe4 (8... Be7 $1 $11 {keeps the balance.}) 9. dxe4 $16 Be6 (9... Bb7 $16 {was worth a try.}) 10. Bb5 Rc8 11. Bxf6 Qxf6 12. Nd5 Qd8 13. Nh4 Kf7 $2 (13... g6 $16) 14. O-O $18 Kg8 15. c3 Ne7 16. Bc4 {Threatens to win with Qg4!} Qd7 17. Qg4 Nxd5 18. Bxd5 Re8 19. bxc5 $40 {[%mdl 128] White goes for the king.} dxc5 {Hoping for ...Qxd5.} 20. Rad1 $2 {[%mdl 8192]} (20. Bxe6+ $16 {keeps the pressure on.} Qxe6 21. Qxe6+ Rxe6 22. Rfd1) 20... Qf7 $4 {[%mdl 8192]} (20... Qxd5 $1 $19 {and life is good for Black.} 21. Nf5 Bxf5 22. Qxf5 Qf7) 21. Nf5 {[%cal Rf5h6]} g6 $2 {[#]} (21... h5 $16 22. Qg5 Rh7) 22. Bxe6 (22. f4 $1 $18) 22... Qxe6 23. Ne3 c4 24. Qe2 (24. Rd7 $18) 24... b5 (24... h5 $16) 25. a4 a6 (25... bxa4 $16 26. Qa2 (26. Nxc4 Rc8 $14) (26. Qxc4 Qxc4 27. Nxc4 a3 $16) 26... h5) 26. axb5 axb5 27. Rd5 Rb8 28. Rb1 Qe8 $2 {[#]} (28... Kg7 29. Rdxb5 Rxb5 30. Rxb5 Be7) 29. Rdxb5 $1 {[%mdl 576] Remove Defender, Decoy. White is clearly winning.} Rxb5 30. Qxc4+ {[%mdl 64] Double Attack} Qf7 31. Qxb5 h5 32. Qc6 Bg7 33. Rb7 Qf6 34. Qxf6 Bxf6 {[%mdl 4096] Endgame KRB-KRN} 35. Nd5 Bg7 36. h4 Kh7 37. Nc7 Kh6 38. Ne6 Bf6 39. Rf7 Bd8 40. Rf8 Rxf8 41. Nxf8 {KB-KN} Ba5 42. c4 Kg7 43. Nd7 Bc7 44. c5 Kf7 45. Nb6 Ke6 46. Nd5 Bd8 47. c6 Kd6 {[#]} 48. c7 $1 Bxc7 49. Nxc7 Kxc7 50. Kf1 Kd6 51. Ke2 Ke6 52. Kd3 {Accuracy: White = 62%, Black = 21%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.33"]
[White "Kraich, Klaus"]
[Black "Padmini, Rout"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2183"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,44,14,0,62,-4,5,-76,-77,-69,-64,-78,-70,-78,-46,-76,-57,-91,-115,-229,-157,-532,-487,-537,-529,-502,-494,-574,-427,-606,-512,-628,-627]} 1. d4 e6 2. Nf3 c5 3. e3 Nf6 4. c3 b6 5. Bd3 Bb7 6. O-O Nc6 7. Nbd2 Qc7 8. Qe2 Rg8 $146 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} (8... Be7 $11) ({Predecessor:} 8... Be7 9. a3 d5 10. e4 dxe4 11. Nxe4 cxd4 12. cxd4 O-O 13. Be3 Nd5 14. Rac1 Nf4 15. Bxf4 Qxf4 16. Qe3 Qxe3 17. fxe3 {½-½ (60) Vorotnikov,V (2440)-Ghaem Maghami,E (2570) Basel 2012}) 9. a3 ({White should try} 9. e4 $14) 9... g5 $11 10. Ne4 (10. g3 $11) 10... Nxe4 $17 {Black is better.} 11. Bxe4 g4 {[#] White must now prevent ...d5.} 12. Nd2 f5 13. Bd3 Bd6 $36 {[%mdl 2048] Black has good play.} 14. g3 h5 15. Rd1 {[#]} h4 $1 {[%cal Rh4g3][%mdl 512]} 16. Nf1 (16. Nc4 $17 {was necessary.}) (16. gxh4 Bxh2+) 16... cxd4 17. e4 $2 (17. cxd4 $17 hxg3 18. fxg3) 17... dxc3 {Black is clearly winning.} 18. bxc3 hxg3 19. fxg3 Ne5 20. Bb1 Bc5+ 21. Kg2 (21. Kh1 $142 Nf3 22. Bf4) 21... fxe4 {Played: Qc7-c6} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.34"]
[White "Kastek, Thomas"]
[Black "Zude, Arno"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2129"]
[BlackElo "2372"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,68,0,0,-25,-7,-33,0,-70,-76,-114,-122,-116,-116,-131,-67,-132,-123,-132,-106,-97,-102,-103,-100,-98,-70,-80,-77,-89,-71,-89,-94,-105,-70,-72,-74,-74,-68,-74,-63,-69,-69,-80,-29,-38,-29,-63,-36,-42,-36,-54,-36,-377,-357]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Bg3 c5 6. c3 O-O 7. Nbd2 b6 8. Bd3 Bb7 9. Ne5 Nc6 10. f4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (10. O-O Qc7 11. f4 Ne7 12. Qb1 Qc8 13. Bh4 Nf5 14. Bxf5 exf5 15. Bxf6 gxf6 16. Nef3 Qe6 17. Re1 Ba6 18. Nh4 cxd4 19. exd4 {1-0 (28) Korobov,A (2692)-Dominguez Perez,L (2739) Doha 2016}) 10... Ne7 11. Qb1 cxd4 12. cxd4 $146 (12. exd4 $11 g6 13. Bf2) ({Predecessor:} 12. exd4 g6 13. Bf2 Ne8 14. Ndf3 Ng7 15. Be3 f6 16. Ng4 Qc7 17. Qc1 Rae8 {½-½ (43) Romanov,S (2503)-Fraczek,D (2309) ICCF email 2013}) 12... Bb4 $15 13. a3 Bxd2+ $1 14. Kxd2 Ne4+ 15. Ke2 a5 (15... Nf5 $17 16. Be1 a5) 16. Bh4 (16. Rc1 $15) 16... f6 $17 17. Nf3 Nf5 18. Bf2 Nfd6 19. Rc1 Qd7 20. Be1 Ba6 21. Bxa6 Rxa6 22. Qd3 Raa8 23. Rc2 Rfc8 {[#] Threatens to win with ...Rxc2+.} 24. Rac1 h6 25. Nd2 Rxc2 26. Rxc2 Rc8 27. Nxe4 Nxe4 28. Rxc8+ Qxc8 29. Kd1 Kh7 ({Black should try} 29... Qe8 $17 {aiming for ...Qh5+.} 30. Kc1 Nd6) 30. Qb5 $11 Qc7 31. Bd2 Nd6 32. Qd3+ f5 33. b3 Ne4 {Hoping for ...Nf2+.} 34. Qb5 $2 {[%mdl 8192] [#]} ({Better is} 34. Be1 $15) 34... Qc3 $1 {[%mdl 512] Accuracy: White = 40%, Black = 46%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.35"]
[White "Moehn, Hans"]
[Black "Loew, Gerald"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2370"]
[BlackElo "2162"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,71,61,51,56,61,120,120,132,114,156,161,187,185,237,223,228,191,190,197,222,231,273,260,264,251,251,256,234,264,285,259,361,324,339,316,329,318,337,318,433,433,701,411,477,448,901,877,751,461,29988,29989]} 1. Nf3 d6 2. d4 Nf6 3. b3 Nbd7 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O e5 8. dxe5 Ng4 9. Qc1 Ngxe5 10. c4 Nxf3+ 11. Bxf3 Ne5 {[%cal Bd7e5,Be5c6,Bc6d4][%mdl 32]} 12. Bg2 Bg4 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} (12... Re8 13. Nc3 Rb8 14. Qd2 a6 15. Rad1 Be6 16. f4 Ng4 17. h3 Nf6 18. e4 b5 19. f5 Bd7 20. g4 bxc4 21. fxg6 hxg6 {0-1 (58) Mamedov,R (2709)-McShane,L (2647) Batumi 2018}) 13. Nc3 Qd7 $146 ({Better is} 13... c6 $14) ({Predecessor:} 13... Qc8 14. Nd5 Re8 15. f4 c6 16. Nc3 Nd7 17. Qd2 Nc5 18. b4 Na6 19. Ne4 d5 20. Bxg7 dxe4 21. Bb2 Qe6 22. f5 gxf5 23. h3 Bh5 24. g4 Bg6 25. gxf5 Bxf5 26. Qg5+ {1-0 (25) Hakobyan,A (2554)-Suleymenov,A (2307) Manavgat 2018}) 14. Bxb7 $16 Rae8 {With the idea ...c6.White is better.} 15. Bg2 Nc6 16. Qd2 Nd4 {[%cal Rd4e2]} 17. Rae1 h5 (17... f5 $142 18. f3 Bh5) 18. f3 $18 Bh3 19. Nd5 Bxg2 20. Kxg2 c5 21. e3 Nf5 22. Bf6 (22. Bxg7 Kxg7 23. g4 Nh4+ 24. Kg3 g5 $18) 22... Re6 23. Qc3 Qd8 {[%cal Rg7f6]} 24. Bxg7 (24. Bxd8 $6 Bxc3 25. Nxc3 Rxd8 $16) 24... Nxg7 25. e4 f5 26. Nf4 Ref6 27. e5 dxe5 28. Rxe5 (28. Qxe5 Qd4 $18) 28... Rd6 29. Rf2 ({Don't take} 29. Rxc5 Ne6 $18) 29... h4 30. Rfe2 (30. Rxc5 g5) 30... g5 31. Nd5 ({Don't play} 31. Re7 Rf7 $18) 31... g4 (31... hxg3 $142 32. Re7 (32. Kxg3 Rh6 $18) 32... Rf7 33. hxg3 Qf8 34. Rxf7 Qxf7) 32. f4 hxg3 33. hxg3 Rh6 {[#]} (33... Rf7 $142 34. Qe3 Rh6 35. Qxc5 Qf8 36. Qxf8+ Kxf8) 34. Re7 $1 {[%csl Ge7][%cal Rc3g7]} Nh5 35. Qe5 Qa5 (35... Qb8 $18 36. Qb2 Rh7) 36. Re8 {Accuracy: White = 84%, Black = 17%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.36"]
[White "Wenner, Tobias"]
[Black "Baum, Jonasz"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2127"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,124,0,-13,-4,-8,-7,-17,0,-20,-25,-29,-11,-34,-37,-33,-25,-32,-2,-47,-41,-50,-47,-50,-46,-53,-41,-51,-42,-47,-14,-56,-45,-56,-56,-56,-51,-61,-64,-64,-64,-72,-69,-92,-33,-38,0,-11,-7,-16,-16,-31,-21,-31,-18,-31,-7,-31,6,-67,-57,-57,-57,-57,-57,-59,-60,-66,0,0,0,0,0,-69,0,0,0,-68,-75,-158,-132,-125,-8,-10,0,0,0,0,0,0,0,-102,-35,-83,0,-16,0,-206,0,0,0,0,0,0,0,-9,-9,-342,-322,-864,-860,-852,-811,-971,-971]} 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. d3 Nc6 5. O-O d6 6. c3 e5 7. e4 Nf6 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} 8. a3 O-O 9. b4 c4 $146 {The position is equal.} ({Predecessor:} 9... a6 10. Nbd2 b5 11. Rb1 Nd7 12. Nb3 cxb4 13. axb4 {1-0 (42) Carlsen,M (2822)-Karjakin,S (2773) Saint Louis 2017}) 10. Re1 cxd3 11. Bg5 Qc7 12. Bxf6 Bxf6 13. Qxd3 Be6 14. Nbd2 Rfd8 15. c4 a5 16. b5 Nb8 {[%cal Bc6b8,Bb8d7,Bd7b6][%mdl 32]} 17. Qe3 Nd7 18. Ng5 Bxg5 19. Qxg5 Nb6 20. Rac1 Qc5 21. Qe3 (21. Qh6 {looks sharper.} Rac8 22. Re3 Qc7 23. f4 Qe7 24. f5) 21... Rac8 22. Bf1 Qxe3 23. Rxe3 Kf8 24. Rec3 Ke7 25. Be2 Rc7 26. Nf1 Rdc8 27. Ne3 Na4 (27... f5 $1 $17 28. exf5 gxf5) 28. R3c2 $15 Nb6 29. Bd3 f6 30. Kf1 Nd7 31. Ke2 b6 32. Rc3 Nc5 33. Bc2 Rf8 34. g4 h5 35. h3 (35. gxh5 $11 gxh5 36. Rg1) 35... hxg4 36. hxg4 Rh8 37. Rg1 g5 38. Nd5+ Bxd5 $1 39. exd5 Kf8 (39... Rh4 $15) 40. Rgg3 $1 $11 Kg7 41. Rh3 Rcc8 42. Kf1 (42. Rce3 $11) 42... Rce8 (42... e4 $15) 43. Rxh8 Rxh8 {[%mdl 4096] Endgame KRB-KRN} 44. Kg2 ({White should play} 44. Bf5 $1 $11) 44... e4 $1 $15 45. Re3 ({Better is} 45. Rh3) 45... Rh4 46. f3 {[#]} exf3+ (46... f5 $1 $17 {[%cal Rf5f4][%mdl 512] Threatens to win with ...f4.} 47. gxf5 exf3+ 48. Rxf3 Rxc4) 47. Kxf3 $11 Rh2 48. Bf5 Kf7 49. Kg3 Ra2 50. Kf3 a4 51. Be6+ (51. Bb1 $11 Ra1 52. Bf5) 51... Kf8 (51... Nxe6 $17 52. Rxe6 Rxa3+ 53. Ke4 Ra1) 52. Bf5 $15 Ra1 (52... Nb3 $1 $17 53. Kg3 Na5) 53. Bg6 Rc1 54. Re8+ Kg7 55. Bf5 Rxc4 56. Rd8 Rc3+ {[%mdl 64] Double Attack} 57. Ke2 Rxa3 58. Rxd6 Ra2+ 59. Ke3 $2 {[%mdl 8192]} (59. Kf3 $1 $11) 59... a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 60. Rd8 $2 {[#]} (60. Rc6 Ra1 61. Rc7+ Kf8 62. d6 Re1+ 63. Kd2) 60... Ra1 $1 $19 {Black is clearly winning.} 61. Ra8 {[#]} a2 $1 62. Kf2 Rh1 {Accuracy: White = 35%, Black = 49%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.37"]
[White "Koepke, Christian"]
[Black "Prraneeth Vuppala"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2332"]
[BlackElo "2149"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,104,9,7,0,12,17,19,20,16,20,59,49,51,47,43,45,58,41,77,68,118,82,90,90,89,93,91,77,109,96,133,150,239,208,246,172,190,180,187,-65,-50,-72,-64,-431,-431,-461,-449,-422,-141,-128,-105,-101,-85,-110,-12,-12,-12,-14,-12,-13,-13,-182,-175,-611,-606,-598,-548,-620,-612,-590,-318,-497,474,-516,-515,-695,-687,-1014,-893,-29990,-29991,-29990,-1162,-29989,-29990,-29990,-29991,-29991,-29992]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Bd2 {B92: Sicilian Najdorf: 6 Be2} Nbd7 {[%cal Bb8d7,Bd7c5,Bc5e4,Be4g5][%mdl 32]} 11. Nd5 Bxd5 12. exd5 {The position is equal.} Ne8 (12... a5 13. a4 g6 14. Be3 Ne8 15. Nd2 Bg5 16. Nc4 Bxe3 17. Qxe3 f5 {0-1 (93) Nepomniachtchi,I (2763)-Salem,A (2660) St Petersburg 2018}) 13. Na5 Nc5 14. Qa3 Qc7 15. c4 f5 16. b4 Ne4 17. Be1 $146 ({Predecessor:} 17. Be3 f4 {1-0 (57) Meiners,E (2223)-Krupa,B (2162) LSS email 2011}) 17... f4 18. Rc1 Rc8 19. Qb3 Kh8 20. Bd3 Ng5 21. f3 $1 Nf6 {Threatening ...Nxd5!} 22. Bh4 Nh5 23. Bf2 Qd7 24. Rfe1 Qc7 {Played: Nh5-g3} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.38"]
[White "Nehyba, Martin"]
[Black "Faerber, David"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2129"]
[BlackElo "2332"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,122,6,4,0,-10,-17,-13,-56,-37,-59,-52,-44,-42,-79,-77,-79,-81,-89,-85,-90,-92,-124,-52,-62,-35,-30,-35,-27,-18,-62,-60,-75,-79,-86,-84,-91,-91,-122,-122,-122,-122,-122,-122,-122,-122,-122,-122,-122,-122,-122,-122,-122,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-89,-170,-170,-384,-170,-5306,-170,-5193,-170,-2896,-2132,-2505,-3498,-12834,-12831,-12841,-12841,-12842,-12841,-12842,-12843]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Nxd7 Qxd7 11. Nc3 e6 12. O-O Be7 13. Qg4 O-O 14. Rd1 {B22: Sicilian: 2 c3} Rfd8 15. Bh6 {[%csl Gh6][%cal Rg4g7]} g6 16. Bg5 {The position is equal.} Bxg5 17. Qxg5 Qe7 18. Qe3 {[#]} Nd5 $146 ({Predecessor:} 18... Nb4 19. Rac1 N4d5 20. Nxd5 Nxd5 21. Qd2 Rac8 22. Rxc8 Rxc8 {½-½ (31) De Waard,J (2435)-Echeguren,G (2559) ICCF email 2000}) 19. Nxd5 Rxd5 20. Bxc6 bxc6 21. Rdc1 Qd7 22. h3 Rb8 23. Rc2 {[#]} Rb6 (23... e5 $1 $17 24. Rac1 exd4) 24. Rd2 $15 Ra6 25. b4 $1 Rb6 26. a3 Rb8 27. Rc2 Rxd4 {Strongly threatening ...Rd1+.} 28. Rxc6 Rdxb4 $1 ({Of course not} 28... Qxc6 29. Qxd4 Qa4 30. Qc3 $11) 29. axb4 Qxc6 30. Qxa7 Rxb4 31. Qa8+ Qxa8 32. Rxa8+ $17 {[%mdl 4096] Endgame KR-KR} Kg7 33. g3 g5 34. Kg2 h5 35. Ra7 Kg6 36. Ra6 Rd4 37. Rb6 Re4 38. Kf3 f5 39. Rb8 h4 40. Rg8+ Kf6 41. Kg2 hxg3 42. Kxg3 Ra4 43. Rf8+ Kg7 44. Rb8 Ra3+ 45. Kg2 Kf6 46. Rf8+ Ke5 47. Rb8 Rd3 48. Rb4 Rd4 49. Rb3 Rd6 50. Re3+ Kf6 51. Ra3 e5 52. Ra8 {[#]} (52. f3 $17 {was necessary.}) 52... e4 $1 $19 53. Ra2 $2 (53. Rf8+ {is a better defense.} Ke5 54. Re8+ Re6 55. Rg8) 53... Ke5 (53... Rd1 $142 54. Ra8 Ke5 55. Ra5+ Rd5) 54. Rb2 $2 (54. Ra8) 54... Rd5 $2 (54... f4 55. Rb5+ Rd5) 55. Rb4 $2 (55. Rb8) 55... Rc5 $2 (55... f4 56. Rb1 Rd2) 56. Ra4 $2 (56. Rb8) 56... Rb5 {Black is clearly winning.} 57. Ra2 f4 58. f3 e3 59. h4 gxh4 60. Kh3 Rb1 61. Ra4 Rg1 {Accuracy: White = 33%, Black = 63%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.39"]
[White "Guttenthaler, Franz"]
[Black "Schaefer, Michael"]
[Result "1/2-1/2"]
[ECO "D57"]
[WhiteElo "2328"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,90,9,16,0,0,0,0,0,10,0,0,0,0,0,7,0,8,0,0,-6,0,-10,0,-16,-18,-33,-33,-62,-43,-71,-70,-95,-90,-94,-90,-89,-77,-92,-5,-9,-22,-42,-35,-22,-22,-37,53,47,43,39,68,0,0,0,0,0,48,0,166,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 {D57: Queen's Gambit Declined: Lasker Defence: Main line (9 cxd5)} Rd8 12. a4 c5 13. Qa3 Be6 {[#]} 14. a5 $146 ({Predecessor:} 14. Bd3 Kf8 15. a5 c4 16. Bc2 Qxa3 17. Rxa3 Nc6 18. Kd2 b5 19. axb6 axb6 {½-½ (54) Laznicka,V (2679)-Anand,V (2785) Dubai 2014}) 14... Nd7 15. Bd3 Rac8 16. O-O Bg4 17. Nd2 Qg5 {aiming for ...Bh3!} 18. Kh1 Bf5 19. Nf3 Qf6 20. Bb5 Nf8 21. dxc5 Ne6 $36 {[%mdl 2048] Black fights for an advantage.} 22. c6 bxc6 23. Be2 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 24. Rad1 Rb8 25. Rd2 Be4 26. Rfd1 c4 {And now ...Rb3 would win.} 27. Rb2 Rxb2 28. Qxb2 Ng5 (28... Nc5 $17 29. Qa3 Nd3) 29. Nxg5 $11 Qxg5 {[%csl Ge4][%cal Rg5g2] [#]} 30. Bf1 Kh7 31. Kg1 Qe5 32. f3 Bxf3 (32... Rb8 $15 33. Qd2 Bg6) 33. gxf3 $14 {[#] Threatens to win with Qd2.} Qxe3+ 34. Qf2 Qxc3 35. Qd4 ({White should play} 35. Qe2 $14) 35... Qxf3 $11 36. Bg2 Qh5 37. Bxd5 f5 (37... Kh8 $5) 38. Kh1 Rd6 $2 (38... c3 $11 {and Black has nothing to worry.}) 39. Bg8+ $2 ({Better is} 39. Rd2 $18 {Black must now prevent Bg8+!} Rd8 40. Qxc4) 39... Kh8 {( -> ...Qf3+). The position is equal.} 40. Qxd6 Qf3+ 41. Kg1 {Hoping for Qd5!} Qe3+ 42. Kg2 Qe2+ 43. Kg3 Qe3+ 44. Kg2 Qe2+ 45. Kg3 Qe3+ {Accuracy: White = 37%, Black = 65%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.40"]
[White "Schmidt, Gerhard"]
[Black "Ludvik, Tomas"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "2118"]
[BlackElo "2305"]
[Annotator "RC"]
[PlyCount "86"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. c4 {[%emt 0:00:07]} c6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:24]} e6 {[%emt 0:00:04]} 5. Bg5 {[%emt 0:00:54]} Nbd7 {[%emt 0:00:18]} 6. e3 {[%emt 0:00:25]} Qa5 {[%emt 0:00:26]} 7. Nd2 {[%emt 0:00:47]} Bb4 {[%emt 0:00:23]} 8. Qc2 {[%emt 0:01:52]} O-O {[%emt 0:00:32]} 9. Be2 {[%emt 0:01:16]} c5 {[%emt 0:00:52]} 10. dxc5 {[%emt 0:05:00]} dxc4 {[%emt 0:10:38]} 11. Nxc4 {[%emt 0:03:28]} Qxc5 {[%emt 0:01:08]} 12. Bxf6 {[%emt 0:01:45]} Nxf6 {[%emt 0:00:31]} 13. O-O {[%emt 0:05:57]} b5 {[%emt 0:09:39]} 14. Bf3 {[%emt 0:00:50]} Rb8 {[%emt 0:00:25]} 15. Nd2 {[%emt 0:00:37]} Bb7 {[%emt 0:05:55]} 16. Bxb7 {[%emt 0:05:05]} Rxb7 {[%emt 0:01:14]} 17. Nde4 {[%emt 0:00:27]} Qc4 {[%emt 0:14:20]} 18. Nxf6+ {[%emt 0:04:36]} gxf6 {[%emt 0:00:02]} 19. Rfd1 {[%emt 0:03:03]} Bxc3 {[%emt 0:05:11]} 20. bxc3 {[%emt 0:01:05]} Rc8 {[%emt 0:04:41]} 21. g3 {[%emt 0:16:05]} b4 {[%emt 0:08:03]} 22. Rd4 {[%emt 0:02:23]} Qxc3 {[%emt 0:02:16]} 23. Qd1 {[%emt 0:01:05]} Rb5 {[%emt 0:08:46]} 24. Qf1 {[%emt 0:03:23]} Rf5 {[%emt 0:03:35]} 25. Rad1 {[%emt 0:01:08]} a5 {[%emt 0:04:38]} 26. Qh3 {[%emt 0:07:54]} Qb2 {[%emt 0:04:42]} 27. R4d2 {[%emt 0:04:40]} Qc3 {[%emt 0:03:14]} 28. e4 {[%emt 0:08:33]} Rfc5 {[%emt 0:02:25]} 29. Qh6 {[%emt 0:06:16]} Re8 {[%emt 0:00:31]} 30. Rd8 {[%emt 0:01:49]} Rc8 {[%emt 0:00:09]} 31. R8d4 {[%emt 0:00:41]} Qf3 {[%emt 0:02:20]} 32. R4d3 {[%emt 0:08:28]} Qxe4 {[%emt 0:01:36]} 33. Qxf6 {[%emt 0:00:10]} Qg6 {[%emt 0:01:28]} 34. Qf3 {[%emt 0:00:46]} Rc4 {[%emt 0:03:14]} 35. Rd7 {[%emt 0:00:42]} Rf8 {[%emt 0:02:59]} 36. R7d4 {[%emt 0:01:57]} Rfc8 {[%emt 0:00:36]} 37. Rxc4 {[%emt 0:01:28]} Rxc4 {[%emt 0:00:01]} 38. Rd8+ {[%emt 0:00:22]} Kg7 {[%emt 0:00:09]} 39. Ra8 {[%emt 0:02:45]} Rc5 {[%emt 0:01:30]} 40. Qe3 {[%emt 0:00:35]} Rd5 {[%emt 0:00:39]} 41. Qf4 {[%emt 0:04:14]} Qh5 {[%emt 0:05:09]} 42. Kg2 {[%emt 0:03:06]} Qf5 {[%emt 0:03:41]} 43. Qh4 {[%emt 0:03:25]} Rd2 {[%emt 0:02:06]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.41"]
[White "Zajogin, Alexander"]
[Black "De Ruijter, Luuk"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "2426"]
[BlackElo "2214"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,34,28,32,20,37,59,30,57,39,53,37,37,27,44,43,47,0,16,0,11,0,35]} 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 b6 6. a3 Bxc3+ 7. Nxc3 d5 8. cxd5 exd5 {E44: Nimzo-Indian: Rubinstein: 4...b6 5 Ne2} 9. b4 c5 10. bxc5 bxc5 {White has an edge.} 11. dxc5 Qa5 (11... Na6 12. Be2 Nxc5 13. O-O Be6 14. Rb1 Rc8 15. Nb5 Nfe4 16. Bb2 a6 17. Nd4 Qa5 18. Nxe6 fxe6 {½-½ (71) Ivanisevic,I (2648)-Fauland,A (2478) Sarajevo 2011}) 12. Bb2 $146 ({Predecessor:} 12. Bd2 Qxc5 13. Rc1 Nc6 14. Be2 Rd8 15. O-O Qe7 16. Nb5 {½-½ (25) Eszik,L-Liljedahl,L Sweden 1978}) 12... Nc6 {[%cal Bb8c6,Bc6a5,Ba5b3][%mdl 32] [#] And now ...d4 would win.} 13. Qa4 Rb8 14. Qxa5 Nxa5 15. Nd1 Re8 {The position is equal.} 16. a4 Nb3 17. Ra3 {[#] Bb5 is the strong threat.} Bd7 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.42"]
[White "Schuster, Karsten"]
[Black "Minko, Dmitry"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2304"]
[BlackElo "2143"]
[Annotator "RC"]
[PlyCount "81"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 4. cxd5 {[%emt 0:00:07]} exd5 {[%emt 0:00:06]} 5. Bf4 {[%emt 0:00:19]} c6 {[%emt 0:01:22]} 6. e3 {[%emt 0:00:14]} Bd6 {[%emt 0:01:28]} 7. Bxd6 {[%emt 0:03:20]} Qxd6 {[%emt 0:00:08]} 8. Bd3 {[%emt 0:00:06]} Ne7 {[%emt 0:00:52]} 9. Qc2 {[%emt 0:02:12]} g6 {[%emt 0:02:50]} 10. Nf3 {[%emt 0:02:50]} Bf5 {[%emt 0:06:22]} 11. O-O {[%emt 0:03:29]} Bxd3 {[%emt 0:04:00]} 12. Qxd3 {[%emt 0:00:04]} Nd7 {[%emt 0:04:52]} 13. b4 {[%emt 0:05:58]} a6 {[%emt 0:01:31]} 14. a4 {[%emt 0:02:23]} O-O {[%emt 0:00:46]} 15. a5 {[%emt 0:05:37]} Rae8 {[%emt 0:06:04]} 16. Na4 {[%emt 0:03:58]} Qxb4 {[%emt 0:10:05]} 17. Rfb1 {[%emt 0:01:31]} Qxa5 {[%emt 0:00:37]} 18. Nb6 {[%emt 0:00:42]} Qxb6 {[%emt 0:00:05]} 19. Rxb6 {[%emt 0:00:04]} Nxb6 {[%emt 0:00:06]} 20. Rb1 {[%emt 0:01:33]} Nec8 {[%emt 0:00:23]} 21. Qc3 {[%emt 0:02:29]} Nc4 {[%emt 0:23:48]} 22. Rxb7 {[%emt 0:01:52]} N8d6 {[%emt 0:01:38]} 23. Rb1 {[%emt 0:06:49]} Rb8 {[%emt 0:00:42]} 24. Rf1 {[%emt 0:05:01]} Ne4 {[%emt 0:04:50]} 25. Qa1 {[%emt 0:02:37]} Rb6 {[%emt 0:01:02]} 26. Rb1 {[%emt 0:10:04]} Rfb8 {[%emt 0:00:21]} 27. Rxb6 {[%emt 0:00:04]} Rxb6 {[%emt 0:00:04]} 28. g4 {[%emt 0:01:26]} a5 {[%emt 0:06:36]} 29. Ne5 {[%emt 0:06:28]} Ned2 {[%emt 0:05:17]} 30. Nxc4 {[%emt 0:02:25]} Nxc4 {[%emt 0:02:58]} 31. Qa4 {[%emt 0:01:13]} Rb5 {[%emt 0:03:23]} 32. e4 {[%emt 0:03:44]} Rb6 {[%emt 0:06:32]} 33. Kg2 {[%emt 0:07:13]} Ra6 {[%emt 0:00:12]} 34. h4 {[%emt 0:04:46]} Nd6 {[%emt 0:00:55]} 35. e5 {[%emt 0:02:05]} Nb5 {[%emt 0:02:21]} 36. f4 {[%emt 0:01:08]} Nc3 {[%emt 0:01:21]} 37. Qa3 {[%emt 0:02:48]} Nb5 {[%emt 0:00:05]} 38. Qe7 {[%emt 0:01:38]} Nxd4 {[%emt 0:00:50]} 39. Qb7 {[%emt 0:00:28]} c5 {[%emt 0:02:29]} 40. Qxa6 {[%emt 0:00:05]} c4 {[%emt 0:00:09]} 41. Qa8+ {[%emt 0:30:25]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.43"]
[White "Proschmann, Tino"]
[Black "Seifert, Volker"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "2106"]
[BlackElo "2300"]
[Annotator "RC"]
[PlyCount "88"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nd2 {[%emt 0:00:00]} Nf6 {[%emt 0:00:11]} 4. e5 {[%emt 0:00:00]} Nfd7 {[%emt 0:00:05]} 5. Bd3 {[%emt 0:00:03]} c5 {[%emt 0:00:13]} 6. c3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:17]} 7. Ne2 {[%emt 0:00:09]} Be7 {[%emt 0:00:33]} 8. O-O {[%emt 0:03:02]} cxd4 {[%emt 0:01:12]} 9. cxd4 {[%emt 0:00:20]} a5 {[%emt 0:00:42]} 10. f4 {[%emt 0:15:20]} Nb6 {[%emt 0:01:09]} 11. Nf3 {[%emt 0:08:30]} h5 {[%emt 0:08:00]} 12. Nc3 {[%emt 0:18:18]} Bd7 {[%emt 0:08:43]} 13. Be3 {[%emt 0:11:43]} a4 {[%emt 0:05:14]} 14. a3 {[%emt 0:04:22]} g6 {[%emt 0:14:09]} 15. Rc1 {[%emt 0:03:38]} Na5 {[%emt 0:01:44]} 16. Nd2 {[%emt 0:04:40]} Rc8 {[%emt 0:09:36]} 17. g4 {[%emt 0:12:17]} hxg4 {[%emt 0:04:09]} 18. Qxg4 {[%emt 0:00:22]} Nac4 {[%emt 0:00:25]} 19. Nxc4 {[%emt 0:08:12]} Nxc4 {[%emt 0:03:03]} 20. Qe2 {[%emt 0:00:59]} Rh3 {[%emt 0:11:13]} 21. Nd1 {[%emt 0:05:38]} Nxe3 {[%emt 0:02:43]} 22. Nxe3 {[%emt 0:00:10]} Rxc1 {[%emt 0:00:34]} 23. Rxc1 {[%emt 0:00:01]} Qb6 {[%emt 0:00:25]} 24. Kg2 {[%emt 0:02:09]} Rh4 {[%emt 0:01:25]} 25. Kh1 {[%emt 0:01:11]} Rxf4 {[%emt 0:10:23]} 26. Ng2 {[%emt 0:00:06]} Rxd4 {[%emt 0:01:36]} 27. Rf1 {[%emt 0:01:11]} Qb3 {[%emt 0:03:13]} 28. Bc2 {[%emt 0:00:33]} Bb5 {[%emt 0:07:29]} 29. Qf2 {[%emt 0:00:19]} Qxb2 {[%emt 0:03:55]} 30. Qxf7+ {[%emt 0:00:31]} Kd8 {[%emt 0:00:14]} 31. Bxg6 {[%emt 0:00:40]} Rg4 {[%emt 0:00:21]} 32. Rg1 {[%emt 0:00:45]} Qxe5 {[%emt 0:01:00]} 33. Re1 {[%emt 0:00:22]} Qf6 {[%emt 0:00:28]} 34. Qg8+ {[%emt 0:00:41]} Kc7 {[%emt 0:00:47]} 35. Qxe6 {[%emt 0:00:40]} Qxe6 {[%emt 0:00:51]} 36. Rxe6 {[%emt 0:00:03]} Bxa3 {[%emt 0:00:15]} 37. h4 {[%emt 0:00:29]} Bb2 {[%emt 0:00:33]} 38. Bf5 {[%emt 0:00:54]} Rg8 {[%emt 0:00:57]} 39. Bb1 {[%emt 0:00:33]} Bc6 {[%emt 0:00:43]} 40. Kh2 {[%emt 0:00:19]} a3 {[%emt 0:00:42]} 41. Ne3 {[%emt 0:01:28]} d4 {[%emt 0:01:18]} 42. Nf5 {[%emt 0:10:29]} d3 {[%emt 0:08:06]} 43. Re7+ {[%emt 0:03:36]} Kb8 {[%emt 0:02:16]} 44. Ne3 {[%emt 0:03:25]} d2 {[%emt 0:00:49]} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.02"]
[Round "8.44"]
[White "Wacker, Peter"]
[Black "Kaiser, Elmar"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2295"]
[BlackElo "2131"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,23,19,62,60,64,66,227,218,453,154,156,145,236,233,233,214]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bf5 (5... Nd7 6. Nc3 Nxe5 7. dxe5 Nxc3 8. bxc3 Be7 9. O-O O-O 10. f4 f5 11. Be3 Be6 12. a4 Qd7 13. Qf3 Rfd8 14. Rfd1 c5 15. Kh1 g6 16. h3 Qc7 17. Qf2 {1-0 (60) Vitiugov,N (2732)-So,W (2767) Khanty-Mansiysk 2019}) 6. O-O {C43: Petroff Defence: 3 d4} Be7 7. Qf3 Qc8 $2 {[#]} (7... Be6 $1 $14) 8. Nc3 $18 Nc6 $146 (8... c6 9. Re1 (9. Bxe4 dxe4 10. Nxe4 O-O $16) 9... O-O) ({Predecessor:} 8... Nxc3 9. Bxf5 Ne2+ 10. Kh1 Nxd4 11. Bxc8 Nxf3 12. Nxf3 Nd7 13. Bxb7 Rb8 14. Bc6 Kd8 15. Bxd5 Bf6 16. Bg5 Bxg5 17. Nxg5 Rb5 18. Nxf7+ Ke7 19. Rfe1+ Kf6 20. Nxh8 Rxd5 21. Rad1 {1-0 (21) Kveinys,A (2511)-Carola,P (2059) Saint Vincent 2004}) 9. Nxc6 $2 ({Less strong is} 9. Nxe4 dxe4 10. Bxe4 Nxd4 $14) (9. Nxd5 $18 {is the precise move to win.} Nd6 10. Re1) 9... bxc6 $16 {White is clearly better.} 10. Nxe4 Bg4 (10... Bxe4 $16 11. Bxe4 dxe4 12. Qxe4 Qe6 13. Qxe6 fxe6) 11. Qg3 dxe4 12. Bxe4 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.1"]
[White "Bernadskiy, Vitaliy"]
[Black "Eljanov, Pavel"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2554"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,20,18,30]} 1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nc6 7. Bb5 e6 8. O-O Be7 9. d4 O-O 10. Re1 Nf6 {Predecessor:} 11. Bg5 $146 h6 12. Bh4 Bd7 13. Qe2 Nb4 14. Bc4 Bc6 15. Rad1 Nbd5 16. Ne5 Nf4 17. Qc2 Bxg2 18. Bg3 N6h5 {½-½ (82) Boruchovsky,A (2530)-Postny,E (2620) Tiberias 2016} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.2"]
[White "Azarov, Sergei"]
[Black "Idani, Pouya"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "2586"]
[BlackElo "2568"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,46,-5,-2,-27,-39,-45,-16,-27,-17,-14,-25,-20,-16,-12,41,52,57,50,45,52,89,24,29,27,30,0,0,0,35,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 h6 8. Bh4 Nbd7 9. O-O-O Qc7 10. Bd3 {B95: Sicilian Najdorf: 6 Bg5 e6, unusual White 7th moves} (10. Be2 b5 11. e5 Bb7 12. Nxe6 fxe6 13. Qh5+ Kd8 14. exf6 Nxf6 15. Qg6 Kd7 16. Rhe1 b4 17. Bxf6 gxf6 18. Ne4 Be7 19. Bg4 f5 20. Nxd6 Bxd6 21. Qxe6+ Kc6 22. Bf3+ Kb5 23. Rxd6 Rhe8 24. Re5+ {1-0 (24) Kryakvin,D (2539)-Panarin,M (2528) Belorechensk 2007}) 10... Be7 11. g4 $146 ({Predecessor:} 11. Kb1 O-O 12. g4 Ne5 13. Qh3 Ng6 14. Bg3 b5 15. Rhg1 Rd8 16. f4 e5 17. Nf5 exf4 {½-½ (27) Gromotka,H (2345)-Novikov,S (2356) ICCF email 2017}) 11... Ne5 12. Qh3 Nfxg4 13. f4 Bxh4 $1 14. Qxh4 g5 $1 15. fxg5 Rg8 (15... Qe7 $11) 16. gxh6 $14 Qe7 $1 {[%cal Re7h4]} 17. h7 Rh8 18. Qg3 Qg5+ {[#]} 19. Kb1 (19. Rd2 $1 $16) 19... Qe3 $1 $11 20. Qh4 {Strongly threatening h3.} Qh6 $1 {[%cal Rh6h4]} 21. Qg3 {Threatens to win with Be2.} Qe3 $1 {[%cal Re3g3] Threatening ...Qxg3.} 22. Qh4 {Hoping for h3.} Qh6 $1 {[%cal Rh6h4]} 23. Qg3 {[#] aiming for Be2.} Qe3 $1 {Accuracy: White = 38%, Black = 74%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.3"]
[White "Peralta, Fernando"]
[Black "Nasuta, Grzegorz"]
[Result "1/2-1/2"]
[ECO "D86"]
[WhiteElo "2569"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,29,13,45,0,0,0,0,0,0,0,0,-7]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O b6 11. Qd2 {D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4} Bb7 {The position is equal.} 12. Rad1 Rc8 13. Bh6 cxd4 14. cxd4 Na5 15. Bd3 {[#]} {Predecessor:} Nc4 $146 16. Bxc4 Rxc4 17. Bxg7 Kxg7 18. Ng3 e6 19. d5 exd5 20. exd5 Re8 21. Rfe1 Rxe1+ 22. Qxe1 {½-½ (38) Navara,D (2734)-Ding,L (2805) Prague 2019} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.4"]
[White "Kamsky, Gata"]
[Black "Del Rio De Angelis, Salvador G."]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2685"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,63,13,13,20,13,13,13,13,13,13,13,13,13,7,7,7,7,7,7,7,14,15,30,30,42,39,75,91,75,83,147,135,135,138,117,120,190,170,179,177,159,162,165,168,172,165,171,169,264,248]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qb1 c4 9. Ne2 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} (9. h4 Nc6 10. Ne2 Bd7 11. Nf4 Nge7 12. h5 h6 13. g3 O-O-O 14. Bh3 a6 15. Qb2 Kb8 16. O-O Ka7 17. Kh2 {1-0 (53) Kobalia,M (2608)-Savchenko,B (2581) Moscow 2019}) 9... Nc6 10. Ng3 Bd7 11. Be2 {The position is equal.} ({Reject} 11. Qxb7 Rb8 $17) 11... O-O-O 12. O-O Nge7 13. Qb2 b6 $146 ({Predecessor:} 13... Kc7 14. Rfb1 Rb8 15. Qc1 Nc8 16. Bf4 Nb6 17. Nf5 g5 18. Rb4 Qa5 19. Nd6 gxf4 20. Rb5 Qxc3 21. Rxb6 Nxd4 {0-1 (21) Yogit,S (1954)-Chakravarthi,R (2217) Pune 2014}) 14. Rae1 Rdf8 15. Nh5 Rhg8 16. Bg4 Kb7 17. Re3 Nd8 18. Rg3 f5 19. exf6 gxf6 20. Qb4 Qxb4 21. cxb4 Ba4 22. c3 Bc2 {[#]} (22... e5 $142) 23. Re1 $1 $16 f5 24. Bf3 Rxg3 25. hxg3 Rg8 (25... Kc6 $16 26. Bg5 Rf7) 26. Nf6 Rg7 27. Bh5 {aiming for Bh6.} Ng6 28. Bh6 Rf7 29. Bg5 Kc8 30. f3 Rb7 31. Kf2 Nf8 (31... Rg7 {is a better defense.} 32. Bd2 Bd3) 32. Nxd5 {Accuracy: White = 92%, Black = 47%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.5"]
[White "Vetoshko, Volodymyr"]
[Black "Demchenko, Anton"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2506"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,59,64,75,35,55,33,56,48,28,20,29,23,22,21,11,16,33,22,23,22,23,26,40,26,27,35,37,26,25,14,25,12,34,0,311,331,316,304,353,346]} 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 c6 9. d5 Ng4 10. Bg5 f6 11. Bd2 Qe7 12. Ne1 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (12. Qc1 f5 13. b4 Ndf6 14. exf5 gxf5 15. dxc6 e4 16. cxb7 Bxb7 17. Nh4 e3 18. fxe3 Qe5 19. g3 Ne4 20. Nxe4 Bxe4 {1-0 (34) Fier,A (2595)-Kristiansen,J (2419) Cappelle-la-Grande 2014}) 12... Nh6 $1 13. Nd3 Nf7 $146 ({Predecessor:} 13... f5 14. dxc6 bxc6 15. c5 dxc5 16. Qa4 Rb8 17. Qxa7 c4 18. Nc1 Rxb2 19. Bxc4+ Kh8 {1-0 (36) Lalic,B (2420)-Zgadzaj,R (2133) Wroclaw 2019}) 14. b4 {White is slightly better.} f5 15. f3 Nf6 16. a4 cxd5 17. Nxd5 Nxd5 18. cxd5 Bd7 19. b5 Bf6 20. Be3 Ng5 21. Nf2 Nf7 22. Qb3 f4 23. Bd2 h5 24. Rfc1 Rfc8 25. a5 Rxc1+ 26. Rxc1 Rc8 27. a6 {[#] aiming for b6.} Rb8 $2 {[%mdl 8192]} (27... Rxc1+ $11 {and Black has nothing to worry.} 28. Bxc1 Qd8) 28. b6 $18 {[%cal Bb5b6,Bb6b7][%mdl 32]} bxa6 29. b7 ({Worse is} 29. bxa7 Rxb3 30. a8=Q+ Qd8 $11) 29... Qd8 {Black wants to play ...Bb5.} 30. Bxa6 {Accuracy: White = 42%, Black = 61%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.6"]
[White "Sethuraman, S.P."]
[Black "Smith, Bryan"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2624"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,91,25,43,17,19,6,37,38,39,33,57,45,44,37,29,45,44,30,37,43,95,83,81,58,99,95,110,75,66,59,43,36,44,36,52,59,48,75,61,40,73,37,28,9,13,0,0,0,56,50,106,86,96,108,120,123,176,150,235,92,150,137,142,138,277,241,290,291,291,245,227,222,317,301,812,805,922,355,555,365]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. Nxc6 {B66: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 h6} (8. O-O-O Bd7 9. f3 Nxd4 10. Qxd4 h6 11. Bh4 Rc8 12. Kb1 Be7 13. g4 b5 14. Bg3 e5 15. Qe3 Qc7 16. Bd3 Be6 17. h4 Qa5 18. g5 {1-0 (60) Robson,R (2667)-Caruana,F (2828) chess.com INT 2019}) 8... bxc6 9. O-O-O Be7 (9... h6 $5 {[%cal Rh6g5]} 10. Bf4 d5 $14) 10. Bxf6 {White is slightly better.} gxf6 11. Bc4 Qa5 12. Bb3 Bb7 $146 ({Predecessor:} 12... Rg8 13. f4 Bd7 14. Kb1 Rb8 15. g3 Kd8 16. Rhe1 Kc7 17. Nd5+ {1-0 (17) Pozo Vinuesa,E (1518)-Evora Acosta,T Cotelec 2012}) 13. f4 O-O-O 14. f5 exf5 15. exf5 d5 16. Qh6 d4 (16... Qc7 $14) 17. Ne2 $16 Qe5 18. Ng3 Bf8 19. Qh5 c5 20. Rhe1 Qc7 {White must now prevent ...c4.} 21. Bc4 Bxg2 22. Bxa6+ Kb8 23. Bc4 Qf4+ 24. Kb1 Bf3 25. Qxf7 Bxd1 26. Rxd1 {Strongly threatening Rd3!} Qe5 $1 27. a3 {[%mdl 1024] White has strong compensation.} Rd6 {[%cal Bd8d6,Bd6b6,Bb6b7][%mdl 32]} 28. a4 Rb6 29. a5 $40 {[%mdl 128] Black needs to defend precisely.} Rb7 30. Qe6 Bd6 ({Black should play} 30... Re7 $1 $11 31. Qc6 Rc7 32. Qb6+ Rb7) 31. Ne4 $14 Qxe6 (31... Rd8 $1 $14) 32. fxe6 $16 Be7 33. Rf1 Kc7 34. Nxf6 Rf8 (34... Kd6 $16) 35. Nd5+ Kd6 {[#]} (35... Kb8 $16 36. Rf7 Bd6) 36. Rg1 (36. Rf7 $1 $18 {is the precise move to win.} Rxf7 37. exf7) 36... Rfb8 ({Better is} 36... Bd8) 37. b3 Ra7 38. Rg7 h5 (38... Rba8 $16) 39. a6 $18 ({Not} 39. Nxe7 Rxe7 40. Rg5 Rh7 $16) 39... Rba8 40. Rh7 ({Less strong is} 40. Nxe7 Rxe7 41. Rg5 h4 $16) 40... h4 41. Kb2 Bg5 42. Rh5 Rg7 (42... Be7 {keeps fighting.} 43. Nxe7 Rxe7 44. Rxh4 Rf8) 43. Nb6 Rag8 $2 {[#]} (43... Rb8 44. Nd7 Ra8) 44. e7 $1 {[%mdl 512]} Re8 (44... Kxe7 45. Bxg8) 45. a7 $2 (45. Bb5 Rexe7 46. Nc8+ Ke6 47. Rxg5 {[%mdl 64] Promotion}) 45... Bd2 (45... Rgxe7 {is a better defense.} 46. Bb5 Rd8) 46. Rd5+ {Accuracy: White = 68%, Black = 38%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.7"]
[White "Gareyev, Timur"]
[Black "Loiseau, Quentin"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2591"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,53,25,32,25,28,30,18,31,29,45,43,89,83,82,71,91,85,75,80,75,71,72,78,75,54,92,25,87,77,111,89,87,77,201,158,154,155,696,701,700,671,29992,29993]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Na6 {[%cal Bb8a6,Ba6c7,Bc7b5][%mdl 32]} 7. e3 Nc7 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} 8. Bd3 Be7 9. Nge2 a6 $146 {The position is equal.} ({Predecessor:} 9... g6 10. h3 Ne6 11. Bh4 Nh5 12. Bxe7 Qxe7 13. O-O-O Nc7 14. Kb1 Bd7 15. Nc1 {½-½ (65) Bruzon Batista,L (2669)-Wang,C (2521) Danzhou 2015}) 10. h3 Nb5 11. O-O Nd6 12. f3 h6 13. Bh4 O-O 14. e4 dxe4 15. fxe4 {[#] Threatens to win with e5.} Nd5 {aiming for ...Nxc3.} 16. Bxe7 ({Don't play} 16. exd5 Bxh4 17. dxc6 bxc6 $11) 16... Nxe7 17. a4 Be6 18. b3 Qb6 19. a5 (19. e5 $16 Ne8 20. Ne4) 19... Qa7 (19... Qd8 $11 {keeps the balance.}) 20. Na4 $16 Nb5 21. Bxb5 axb5 22. Nc5 $36 {[%mdl 2048] Black is under strong pressure.} Rfd8 (22... Qb8 $16) 23. Qc3 Ng6 24. Ng3 ({But not} 24. Nxe6 $6 fxe6 25. Qg3 (25. Qf3 e5 $11) 25... Kh7 $14) 24... Nf8 $2 (24... b6 $16 25. Nxe6 {[%mdl 64] Discovered Attack} fxe6) 25. Nh5 $18 b4 {[#]} 26. Qg3 $1 {[%csl Gh5][%cal Rg3g7][%mdl 512]} g5 27. Qe5 {Accuracy: White = 76%, Black = 32%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.8"]
[White "Krzyzanowski, Marcin"]
[Black "Santos Latasa, Jaime"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2500"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,36,50,35,0,0,2,0,0,15,14,12,14,13,12,13,0,0,0,0,0,0,0,0,0,6]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 O-O 7. d4 Ba7 8. Nxe5 {C78: Ruy Lopez: Archangelsk and Möller Defences} (8. Bg5 h6 9. Bh4 exd4 10. Re1 d6 11. Nxd4 Ne5 12. h3 b5 13. Bc2 Bb7 14. Nd2 Re8 15. f4 Ng6 {½-½ (43) Fedoseev,V (2671)-Vitiugov,N (2728) Izhevsk 2019}) 8... Nxe5 {The position is equal.} 9. dxe5 Nxe4 10. Qf3 $146 ({Predecessor:} 10. Bc2 d5 11. exd6 Nxd6 12. Qh5 g6 13. Qf3 Bf5 14. Bxf5 Nxf5 15. Qxb7 {1-0 (49) Dominguez Coig,A (1564)-Anton Ortiz,J (1252) Colmenarejo 2018}) 10... Qh4 11. Bb3 d6 12. Be3 Bxe3 13. Qxe3 {[#] Threatens to win with g3.} Bf5 ({But not} 13... dxe5 $2 14. g3 $18) 14. Bc2 {Black must now prevent f3.} dxe5 15. Re1 {Hoping for g3.} Nd6 16. Bxf5 Nxf5 17. Qxe5 {[%mdl 64] [#] Double Attack} Nd6 18. Nd2 Rae8 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.9"]
[White "Chanda, Sandipan"]
[Black "Atakisi, Umut"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2529"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,59,6,0,0,0,-8,10,8,9,0,0,-6,0,0,0,-7,15,-20,-21,-27,-15,-9,77,-20,-56,-55,-56,-43,-59,-57,256,240,970,950,1442,1368,1901,1827,1865,1503,29984,29985,29985,1025,29986,29987,29987,29988]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 e6 6. c3 Bd6 7. Bg3 O-O 8. Bb5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Be7 9. Qe2 Qb6 10. dxc5 {The position is equal.} Bxc5 11. b4 Be7 12. Bd3 Nh5 $146 ({Predecessor:} 12... a5 13. b5 Nb8 14. O-O Nbd7 15. c4 Nc5 16. cxd5 exd5 {½-½ (42) Djurhuus,R (2402)-Urkedal,F (2557) Tromsoe 2016}) 13. b5 Na5 14. Be5 Bf6 15. g4 Bxe5 16. Nxe5 Qc7 17. f4 $1 $36 {[%mdl 2048] White is more active.} f6 (17... Qxc3 $6 18. O-O $16) (17... Nf6 $1 $11 {remains equal.}) 18. Ng6 ({White should play} 18. Bxh7+ $16 Kxh7 19. Qd3+ Kg8 20. Ng6) 18... hxg6 $11 (18... Qxc3 19. O-O $14) 19. gxh5 g5 $1 (19... Qxc3 20. O-O $14) 20. h6 gxh6 ({But not} 20... Qxc3 21. O-O $11) 21. h4 {Hoping for hxg5.} e5 $2 {[%mdl 8192]} (21... Qxc3 $15 22. O-O gxf4) 22. hxg5 $18 e4 $2 ({Don't go for} 22... fxg5 $2 23. Rxh6 Qxc3 {[#]} 24. Qh5 $3 $18 {[%mdl 512]}) (22... Qxc3 23. Qg2 fxg5 24. Rxh6 (24. Qxd5+ Kg7 $14) 24... Qxa1+ {[%mdl 64] Double Attack} 25. Kf2 e4 {[%mdl 64] Decoy}) 23. Rxh6 Qg7 24. Qh5 Bf5 25. Kf2 fxg5 26. Rh1 {Threatens to win with Rh8+.} exd3 27. Rh8+ Qxh8 28. Qxh8+ Kf7 {[#]} 29. Qe5 $1 {[%mdl 64] Double Attack} Kg6 30. Qe7 {Accuracy: White = 73%, Black = 36%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.10"]
[White "Prusikin, Michael"]
[Black "Manu David Suthandram R"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2521"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,135,14,20,19,24,22,57,37,63,52,89,70,83,83,104,122,140,143,128,68,69,43,81,79,79,63,61,79,91,92,131,100,268,143,151,91,133,134,145,136,145,134,209,171,216,210,218,230,242,235,248,205,202,174,226,206,261,258,247,227,300,300,285,296,383,367,393,395,359,210,366,369,346,215,219,232,265,227,265,265,265,208,206,174,682,682,1445,1434,1067,1334,714,668,29961,29955,29959,29961,29957,29963,29955,29962,29966,29967,29969,29969,29969,29970,29973,29974,29974,29975,29975,29977,29978,29979,29980,29981,29978,29980,29982,29983,29983,29984,29983,29979]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 a6 6. Bf1 Ng6 7. c3 Be7 8. d4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} cxd4 9. cxd4 d6 (9... d5 10. e5 O-O 11. Nc3 Nh4 12. Nxh4 Bxh4 13. Be3 Bd7 14. Rc1 b5 15. Ne2 f5 16. exf6 Qxf6 17. g3 Bg5 18. Bxg5 Qxg5 {½-½ (31) Ni,H (2646)-Wang,H (2737) China 2013}) 10. Nc3 {White is slightly better.} O-O 11. g3 e5 $146 ({Predecessor:} 11... b5 12. h4 b4 13. Ne2 Re8 14. h5 Nf8 15. Bg2 g6 16. hxg6 fxg6 {0-1 (57) Karadarevic,S (1817)-Kalinic,D (1995) Belgrade 2007}) 12. d5 Nb8 13. Nd2 b5 14. b4 f5 15. exf5 Bxf5 16. Nde4 ({White should play} 16. a4 $16) 16... Nd7 $14 17. a4 bxa4 18. Qxa4 Kh8 19. Bd2 Nf6 20. Bg2 Nxe4 21. Nxe4 Qb6 22. Qc6 Qa7 $2 {[#]} (22... Qxc6 $16 23. dxc6 d5) 23. Be3 (23. Nxd6 Bd7 $17) ({White has to play} 23. b5 $1 $18) 23... Qb8 $16 24. Qb6 (24. Rec1 $142) 24... Qxb6 25. Bxb6 Rfb8 26. Bc7 $36 {[%mdl 2048] White is on the roll.} Bxe4 27. Rxe4 Rb7 (27... Rc8 $16 {might work better.}) 28. Rc4 e4 {[#]} 29. Ba5 $1 ({Much less strong is} 29. Bxe4 $6 Ne5 $16) 29... e3 30. f4 Bf6 31. Re1 Re8 32. Bh3 Nf8 33. Kg2 Rb5 (33... g5 {keeps fighting.} 34. Rc8 Rxc8 35. Bxc8 Rb5 36. Bxa6 (36. Rxe3 gxf4 37. Rf3 Ng6 $16) 36... Rxd5) 34. Kf3 $18 Rxd5 35. Rxe3 Rxe3+ 36. Kxe3 {Threatens to win with Rc8!} g6 37. Rc8 {Strongly threatening Be6.} Kg7 38. Rc7+ Kg8 39. Bf1 {Black must now prevent Bc4.} Rd1 40. Bxa6 d5 41. Rc2 (41. Bb7 $142) 41... Bd4+ $2 (41... Ne6 42. Bb7 Kf8) 42. Ke2 Rh1 43. Kd3 Rd1+ 44. Rd2 Rxd2+ 45. Kxd2 {[%mdl 4096] Endgame KBB-KBN} Kf7 46. Bc8 Ke7 47. Bc7 Bg1 48. h3 h5 $2 (48... Ne6) 49. b5 Nd7 50. Bxd7 Kxd7 {KB-KB} 51. Be5 Bh2 52. g4 hxg4 53. hxg4 {White mates.} g5 54. Ke3 Bg1+ 55. Kf3 Ke6 56. Bb2 gxf4 57. Kxf4 Bh2+ 58. Ke3 Bg1+ 59. Kd3 Ba7 60. Bd4 Bb8 61. Kc3 Kf7 62. Kb4 Bf4 63. Kc5 Kg6 64. Kxd5 Kg5 65. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} Kxg4 66. Be5 Be3 67. b7 Ba7 68. Ke6 {Accuracy: White = 65%, Black = 37%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.11"]
[White "Bellia, Fabrizio"]
[Black "Gukesh D"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2433"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,62,0,0,8,0,0,-18,-12,-25,-9,-17,-10,-4,-10,-61,-58,-62,-54,-61,-68,-75,-36,-70,-74,-83,-82,-85,-73,-129,0,-73,-34,-43,-27,-31,-12,-18,0,-32,-45,-47,-25,-41,-19,-36,-21,-33,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. d3 Nge7 7. Re1 O-O 8. Nbd2 d6 {B31: Sicilian: 2...Nc6 3 Bb5 g6} 9. h3 (9. Nf1 h6 10. a3 a6 11. Ba4 b5 12. Bc2 d5 13. Ng3 d4 14. cxd4 cxd4 15. Bb3 Qd6 16. Bd2 {½-½ (75) Kuzubov,Y (2630)-Popov,V (2550) St Petersburg 2011}) 9... h6 10. Nf1 Be6 11. a3 $146 ({Predecessor:} 11. Ng3 Kh7 12. Qe2 a6 13. Ba4 b5 14. Bc2 b4 15. Bd2 a5 16. Ba4 {0-1 (40) Mann,K (2108)-Schenk,M (2172) Dresden 2004}) 11... a6 12. Bc4 d5 13. exd5 Nxd5 14. a4 (14. Ne3 $11) 14... Qc7 $15 15. Bd2 Rad8 16. Qc2 Rfe8 17. a5 f5 18. Qa4 Kh7 19. Qa3 Qd6 20. Rad1 Bf8 21. Ra1 (21. Qa2 $142) 21... Bg7 ({Black should try} 21... Nf6 22. Qa4 Bxc4 23. Qxc4 Bg7) 22. Rad1 $1 $17 Nc7 23. Be3 $1 Bf8 24. N3d2 Bxc4 25. Nxc4 Qd5 26. Nb6 Qf7 27. Qa4 Nd5 28. Nc4 Rd7 29. Bc1 Bg7 30. Nh2 Red8 31. Nf3 {[%cal Rc4e5]} Re8 {Accuracy: White = 46%, Black = 59%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.12"]
[White "Ehrke, Michael"]
[Black "Engel, Luis"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2222"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,62,-6,0,-9,-16,-8,-2,0,0,0,0,-2,-6,-25,-27,-24,-20,-29,-22,-38,-27,-56,-20,-27,-14,-20,12,-12,-8,0,0,0,0,0,0,0,0,0,0,-25,-43,-29991,-29992,-29992,-29993,-29993,-29994,-29994,-29995]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 e6 5. c3 Bd6 6. Bg3 O-O 7. Nbd2 Qc7 8. Bd3 Nbd7 9. O-O {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (9. Qe2 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bh4 Bg4 13. Nf3 Ne4 14. h3 Be6 15. Nxe5 Qxe5 16. f4 Qc7 {0-1 (33) Abasov,N (2632)-Dominguez Perez,L (2763) Khanty-Mansiysk 2019}) 9... Bxg3 10. hxg3 e5 {[#] Threatens to win with ...e4.} 11. e4 {The position is equal.} exd4 12. cxd4 c4 13. Bc2 dxe4 14. Nxe4 Nxe4 15. Bxe4 Nf6 16. Re1 $146 ({Predecessor:} 16. Bc2 b5 {0-1 (36) Rozic,V (2278)-Repkova,E (2423) Sibenik 2011}) 16... Re8 17. Bc2 Bg4 18. Qd2 Bxf3 19. gxf3 g6 20. Kg2 Qd6 21. Be4 Re7 22. Rac1 Rae8 23. Rxc4 Nxe4 24. Rxe4 Rxe4 25. fxe4 Rxe4 $11 {[%mdl 4096] Endgame KQR-KQR} 26. f3 Re5 27. Kf2 Rh5 {White must now prevent ...Rh2+.} 28. Qc3 $2 {[%mdl 8192] [#]} (28. Kg2 $15) 28... Rh2+ {Black mates.} 29. Kf1 Qxg3 {[%csl Gh2][%cal Rg3f2]} 30. Rc8+ Kg7 {[%csl Gh2][%cal Rg3f2]} 31. d5+ Kh6 {Accuracy: White = 29%, Black = 78%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.13"]
[White "Asadli, Vugar"]
[Black "Weber, Ulrich"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2513"]
[BlackElo "2360"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,31,29,38,63,53,54,54,61,51,44,63,75,62,62,52,60,58,82,68,81,81,82,83,84,97,115,111,99,61,84,33,59,56,75,64,71,76,138,156,166,155,485,485,445,184,236,241,712,701,798,768,752,752,1843,1269,1854,1784,29977]} 1. e4 c5 2. Ne2 d6 3. g3 Nc6 4. Bg2 g6 5. c3 Bg7 6. d4 {B20: Sicilian: Unusual White 2nd moves} Bg4 7. d5 Na5 8. Na3 $146 {White is slightly better.} ({Predecessor:} 8. h3 Bd7 9. O-O Nf6 10. Bf4 O-O 11. Nd2 e5 12. Be3 b5 13. b4 Nb7 14. bxc5 Nxc5 {1-0 (23) Li,R (2581)-Vigorito,D (2346) Las Vegas 2018}) 8... Rb8 9. h3 Bd7 10. Rb1 {Hoping for b4.} Qc7 11. O-O Nf6 12. Be3 $36 {[%mdl 2048] White has the initiative.} O-O 13. Qd2 Rfc8 14. Rfc1 b6 15. g4 h5 16. g5 Nh7 17. f4 e6 18. b4 Nb7 19. dxe6 Bxe6 20. Rf1 (20. bxc5 $16 dxc5 21. Nb5) 20... Qd7 $1 $14 21. h4 Bh3 22. f5 $1 Bxg2 23. Kxg2 Qc6 (23... Re8 $142) 24. Ng3 $16 cxb4 25. cxb4 {[#] And now Rbc1 would win.} Be5 $2 (25... Nf8 $16 {is tougher.} 26. f6 Bh8) 26. Rbc1 $18 Qe8 27. Qd5 (27. fxg6 $142 fxg6 28. Qd5+ Kh8 29. Nc4) 27... Rxc1 (27... Nf8 $142 28. Nb5 (28. Rxc8 Rxc8 29. fxg6 Nxg6 $16) 28... a6) 28. Bxc1 {Strongly threatening fxg6.} Kg7 $2 {[#]} (28... Nf8 29. Nc4 Bxg3) 29. Nc4 {White is clearly winning.} Nf8 30. fxg6 fxg6 31. Nxe5 Qxe5 32. Qf7+ Kh8 33. Rf2 Ra8 {Accuracy: White = 70%, Black = 31%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.14"]
[White "Seifert, Volker"]
[Black "Shevchenko, Kirill"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2300"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,14,18,-9,0,0,25,31,47,38,57,-28,-25,-13,-9,-14,-24,-28,16,-17,4,-44,-37,-37,-44,-57,-50,-157,-58,-133,-135,-185,-181,-174,-108,-103,-92,-731,-744,-702,-737,-704,-683,-829,-825,-831,684,-822,-822,-831,-825,-825,-820,-797,-797,-787,-714,-906,-878,-896,-944,-912,-903,-846,-840,-788,-724]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 a6 7. Nge2 Nbd7 8. d5 Ne5 9. Ng3 {E83: King's Indian: Sämisch Panno (6...Nc6): Lines without either Nge2 or Qd2} h5 10. Be2 e6 $146 ({Predecessor:} 10... h4 11. Nf1 c6 12. Nd2 e6 13. dxc6 Nxc6 14. Nb3 d5 {½-½ (32) Rustemov,A (2575)-Korotylev,A (2470) Nizhnij Novgorod 1998}) 11. O-O {White has an edge.} exd5 12. cxd5 c6 13. a4 (13. Bg5 $14) 13... h4 14. Nh1 $1 cxd5 15. exd5 Re8 16. Qd2 Bf5 17. a5 Nfd7 18. Na4 Rc8 {Threatens to win with ...Rc2.} 19. Rac1 Rxc1 20. Rxc1 h3 $36 {[%mdl 2048] Black has good play.} 21. Ng3 (21. Bg5 $15 Bf6 22. Bxf6 Nxf6 23. Ng3) 21... hxg2 (21... Qh4 $1 $17 {[%cal Rh4a4]} 22. b3 hxg2 23. Kxg2 Qh3+ 24. Kg1 Bd3 $1 {[%mdl 512]}) 22. Nxf5 (22. Kxg2 $15 Qh4 23. b4) 22... gxf5 $17 23. Kxg2 {[#]} Ng6 $1 {[%cal Be5g6,Bg6h4,Bh4f3][%mdl 32] Strongly threatening ...Qe7.} 24. Bd1 Nde5 (24... Kh7 $19 {Hoping for ...Rxe3!} 25. Bg5 Bf6) 25. Nb6 Nh4+ 26. Kf2 $2 {[%mdl 8192] [#]} (26. Kh1 $17 Nexf3 27. Bxf3 Nxf3 28. Qf2) 26... Nhxf3 $1 $19 {[%mdl 576] Clearance} 27. Bxf3 Qh4+ {[%mdl 64] Double Attack} 28. Kg2 Nxf3 29. Kxf3 {[#]} Qg4+ {Played: Re8xe3} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.15"]
[White "Korneev, Oleg"]
[Black "Schuster, Karsten"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2504"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,134,25,32,54,40,50,37,37,33,44,3,23,10,45,14,45,46,44,-7,-11,-23,18,-22,0,-3,0,-4,27,-53,28,26,31,35,47,47,48,48,48,48,42,42,42,38,61,33,80,38,38,38,38,38,50,39,75,69,64,39,43,38,47,47,60,41,49,21,27,17,60,59,116,121,117,117,117,128,141,127,146,127,130,124,160,135,203,183,302,263,226,231,231,227,224,226,220,150,170,-30,-14,-13,0,0,75,77,97,21,114,111,122,115,114,-82,0,-224,-210,-571,-514,-6523,-6370,-29993,-29990,-29991,-29992]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. d3 e6 7. Bd2 Bb4 8. a3 Be7 {B11: Caro-Kann: Two Knights Variation} (8... Ba5 9. O-O-O Nbd7 10. g4 d4 11. Ne2 Bxd2+ 12. Rxd2 e5 13. g5 Ng8 14. h4 h6 15. g6 fxg6 16. Bh3 {½-½ (79) Safarli,E (2649)-Najer,E (2653) Dubai 2014}) 9. g4 d4 10. Ne2 c5 $146 {White is slightly better.} ({Predecessor:} 10... Qb6 11. b3 a5 12. e5 Nfd7 13. Qe4 c5 14. Bg2 Nc6 15. f4 a4 16. Rb1 {0-1 (38) Troberg Eskola,L (1881)-Aaberg,A (2365) Tylosand 2016}) 11. g5 Nfd7 12. Qg3 Nc6 13. Bg2 e5 14. O-O Qc7 15. h4 O-O-O 16. f4 (16. b4 $1 $14) 16... Bd6 17. f5 f6 18. Qg4 Rdg8 19. Ng3 Be7 20. g6 Kb8 (20... c4 $5) 21. Bf3 (21. h5 $11) 21... Nf8 (21... c4 $1 $15) 22. Kg2 $11 Qc8 23. h5 h6 24. Nh1 Nd7 25. Nf2 Rd8 26. Rfb1 Qc7 27. Bd1 Nb6 28. Qe2 Rhe8 29. Ng4 Bf8 30. Qf1 Rd6 31. Be2 Red8 32. b3 R8d7 33. Qc1 Qd8 34. Qb2 Rc7 35. Rh1 Ne7 36. Rag1 Ng8 37. Kf2 Rdc6 38. a4 Rd7 39. Rg2 Nc8 40. Rhg1 Qc7 41. Qa2 Nd6 (41... Qd8 $14) 42. b4 $1 $16 {[%cal Bb3b4,Bb4b5][%mdl 32]} c4 43. b5 $36 {[%mdl 2048] White is on the roll.} Rc5 44. Bb4 Rd8 45. Kf3 Rc8 46. Bxc5 Qxc5 47. dxc4 Be7 48. Nf2 Qc7 (48... Bd8 $16 {keeps fighting.} 49. Qb3 Ne7) 49. c3 $18 b6 (49... dxc3 {was called for.} 50. Rc1 b6 51. Rxc3 Nb7) 50. c5 Qxc5 51. Nd3 $1 {[%cal Rd3c5]} Qc7 {intending ...Qb7.} 52. cxd4 Qb7 53. d5 Rc4 54. Rg4 Qc8 {Black wants to play ...Nxe4.} 55. Ke3 $2 (55. Nf2 $1 $18 Rc2 56. Qb1) 55... Rc2 $11 56. Qa1 $1 Nc4+ 57. Kf3 $1 {Black must now prevent Rc1.} Nd2+ (57... Bc5 $1 $11 {remains equal.}) 58. Kg3 $16 {aiming for Rc1.} Nb3 59. Qd1 (59. Qe1 $16) 59... Nd4 (59... Qc3 $1 $11 {keeps the balance.}) 60. Rg2 Bd6 61. Bf1 Rc3 {[#]} 62. Kh3 $2 {[#]} (62. Rf2 $1 $16 {is necessary to keep the advantage.}) 62... Ne7 ({Black should play} 62... Nxf5 $1 $17 {Strongly threatening ...Ne3.} 63. exf5 Qxf5) 63. R4g3 $2 (63. Qe1 $11 {and White stays safe.}) 63... Nexf5 $1 $19 {...Ne3+ is the strong threat.} 64. exf5 $2 (64. Qg4 {was the crucial defense.} Nxg3 65. Qxc8+ Kxc8 66. Rxg3) 64... Qxf5+ 65. Rg4 (65. Kh2 $142 e4 {[%mdl 64] Discovered Attack} 66. Kh1) 65... e4 {[%mdl 64] ( -> ...Nf3). Pin} 66. Qe1 Nf3 67. Qxe4 Ng5+ {[%mdl 64] Double Attack, Discovered Attack. Accuracy: White = 48%, Black = 44%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.16"]
[White "Vogel, Roven"]
[Black "Wacker, Peter"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2456"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,65,12,25,2,0,4,7,5,21,18,25,36,36,18,22,30,55,19,74,82,85,81,99,102,134,124,192,172,175,192,179,158,188,173,184,166,161,175,155,146,158,116,174,114,194,164,166,139,170,152,242,240,812,779,29993,29994]} 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Nge2 {D35: Queen's Gambit Declined: Exchange Variation} (7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Nf3 Nd7 11. Nh4 Be7 12. Ne2 f5 13. g3 Bxh4 14. gxh4 Nf6 15. Bh3 Nh5 16. b4 Ke7 17. Kd2 a6 18. a4 {½-½ (34) Vachier Lagrave,M (2778)-Vitiugov,N (2709) Shenzhen 2018}) 7... Nbd7 8. Ng3 Bg6 9. h4 {The position is equal.} h6 10. Bf4 Nb6 11. h5 Bh7 12. Bd3 Bxd3 13. Qxd3 Qd7 $146 ({Predecessor:} 13... Nc4 14. e4 Bb4 {1-0 (38) Lupini,S (2258)-Panarello,G ICCF email 2014}) 14. Rc1 Nc4 (14... Bb4 $11) 15. b3 Nd6 16. f3 Be7 17. e4 {And now e5 would win.} dxe4 18. fxe4 Nh7 (18... Ng4 $16) 19. e5 Nc8 20. Nf5 O-O 21. O-O Bg5 {[#]} 22. Ne4 $1 {Black must now prevent Bxg5.} Ne7 {[#]} 23. Bxg5 $1 Nxf5 24. Rxf5 Nxg5 25. Nxg5 hxg5 26. Rxg5 Rad8 (26... f6 $16 {might work better.} 27. Qc4+ (27. exf6 Rxf6 28. d5 Raf8 $16) 27... Kh7) 27. Rd1 (27. Qg3 $18 f6 28. Rg4) 27... Kh8 (27... f6 $16 28. Rg3 (28. exf6 Rxf6 29. Qg3 Qf7 $16) 28... Rf7) 28. Qe4 Rfe8 29. Rf1 {[%cal Bd1f1,Bf1f4,Bf4g4][%mdl 32]} Re7 30. Rf4 $40 {[%mdl 128] Black is in trouble.} Qd5 (30... c5 $16) 31. Qe3 $18 {aiming for Rfg4.} b6 $2 (31... Qe6 32. Qg3 Qh6) 32. Rfg4 f6 {[#]} 33. Rxg7 $1 {[%mdl 512] Accuracy: White = 70%, Black = 34%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.17"]
[White "Buchal, Stephan"]
[Black "Parvanyan, Ashot"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2274"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,129,15,11,20,10,25,11,24,13,29,6,18,9,24,16,18,-16,38,21,59,33,35,24,37,31,35,0,16,0,0,-32,24,0,63,58,110,109,102,102,104,100,139,137,136,125,108,110,114,109,185,90,109,58,51,39,57,57,54,68,40,0,0,0,0,0,0,-81,-37,-44,-44,-89,-12,-5,0,-48,-24,-222,-221,-206,-191,-202,-92,-83,-89,-79,-27,-25,-27,-266,-267,-29955,-29957,-29957,-29958,-29960,-29961,-29962,-29963,-29963,-29965,-29961,-29963,-7208,-10716,-29967,-29969,-29969,-29969,-29972,-29974,-29974,-29974,-29979,-29980,-29974]} 1. c4 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. Nf3 e5 7. O-O Re8 8. d3 Nc6 9. Nc3 a6 {A15: English Opening: 1...Nf6} 10. Rc1 $146 ({Predecessor:} 10. e3 Rb8 11. d4 exd4 12. exd4 b5 13. d5 Ne7 14. cxb5 Nfxd5 15. Qd2 Nxc3 16. Bxc3 Bxc3 17. Qxc3 Rxb5 {0-1 (62) Moussard,J (2506)-Duda,J (2666) Drancy 2016}) 10... Bd7 11. Qd2 Rb8 {The position is equal.} 12. e3 h6 13. Rfe1 Be6 14. a3 g5 15. Qc2 Qd7 16. d4 Bf5 (16... exd4 $11 17. Nxd4 Nxd4 18. exd4 b5) 17. e4 $14 Bg4 18. dxe5 (18. d5 $5 {[%cal Rd5c6]} Ne7 19. Nd1 $14) 18... dxe5 19. Nd5 Nh7 20. Re3 Bxf3 21. Bxf3 Nd4 22. Bxd4 exd4 23. Rd3 Nf8 ({Black should try} 23... g4 $15 24. Bg2 c6) 24. Qd1 Ne6 (24... Qd8 $11) 25. c5 Rbd8 ({Black should play} 25... c6 $14) 26. Bg4 c6 27. Nb6 Qe7 28. b4 Nc7 29. Bf5 a5 30. Nc4 axb4 31. axb4 Nb5 32. Qg4 Ra8 (32... Nc3 $16 {might work better.}) 33. f4 (33. Re1 $18 {has better winning chances.}) 33... Ra4 $16 34. Rb3 (34. e5 $16) 34... d3 35. e5 {aiming for Nd6.} Nd4 36. Rxd3 Nxf5 37. Qxf5 Rxb4 38. Rd6 (38. Nd6 $5 {[%cal Rd6e8]} Ra8 39. Rd2 $14) 38... gxf4 39. gxf4 Qh4 $1 40. Rd7 Kh8 {Strongly threatening ...Ra8.} 41. Rdd1 (41. Rd3 $11 {keeps the balance.}) 41... Rg8 {Hoping for ...Bxe5+.} 42. Kh1 Qf2 43. Qe4 Qxc5 (43... Bf8 $17 44. Rc2 Qxc5) 44. Qe2 $132 {[%mdl 2048] Black must now prevent Nd6. White is not holding back} Qb5 45. Qc2 {And now Nd6! would win.} c5 {Threatens to win with ...Qc6+.} 46. Rd6 $2 (46. Qe4 $11 {and White stays safe.}) 46... Bf8 $19 47. Rb6 Qd7 $1 {[%cal Rd7d5] ( -> ...Qd5+)} 48. Qe4 {[#]} Rxb6 (48... Qc7 $1 $19 {[%cal Rc7b6] is more deadly.} 49. Rxb4 cxb4) 49. Nxb6 $17 Qd2 50. Rf1 {[#]} Qd4 (50... Qb4 $1 $17 51. Qxb4 cxb4) 51. Qxd4 $1 $11 cxd4 {[%mdl 4096] Endgame KRB-KRN} 52. Rg1 $2 (52. Rd1 $11) 52... d3 $19 53. Rxg8+ $2 (53. Rd1 $19 d2 54. h4) 53... Kxg8 {KB-KN} 54. Nd5 d2 55. Ne3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 56. Kg2 b4 57. Kf3 b3 58. Nd1 Ba3 59. Ke2 b2 60. Nxb2 Bxb2 {Black mates.} 61. Kxd2 Kg7 62. Ke3 Kg6 63. Ke4 Ba3 64. h4 Kh5 65. Kf5 {Accuracy: White = 35%, Black = 56%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.18"]
[White "Stoeber, Michael"]
[Black "Womacka, Mathias"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2264"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,95,0,0,32,0,0,-114,-77,-270,-206,-209,-213,-209,-205,-239,-253,-247,-211,-206,-206,-293,-292,-271,-158,-279,-270,-275,-266,-266,-255,-271,-229,-232,-239,-300,-299,-290,-272,-427,-316,-404,-397,-450,-441,-437,-425,-444,-477,-477,-478,-477,-408,-462,-441,-442,-84,-362,-56,-15,-8,-8,0,-8,0,-8,-18,-89,-89,-80,-93,-1116,-764,-1108]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. Ng5 Bxg2 11. Kxg2 Nc6 12. Qf4 O-O 13. b3 Ra7 {A30: Symmetrical English: Double Fianchetto and Hedgehog} 14. Ba3 {[%cal Ra3d6]} (14. Bb2 Rd7 15. Nce4 Ne8 16. Nf3 h6 17. g4 b5 18. h4 bxc4 19. bxc4 d5 20. cxd5 Rxd5 21. Nc3 Rxd1 22. Rxd1 {1-0 (37) Pantsulaia,L (2586)-Stocek,J (2581) Heraklio 2017}) 14... Rd7 15. Rd2 $146 {[#]} (15. Nf3 $11) ({Predecessor:} 15. Nge4 Ne8 16. h4 h6 17. Rac1 Qb8 18. Nd2 Ne5 19. Nf3 b5 20. cxb5 axb5 21. Bb2 Nxf3 22. Qxf3 {0-1 (63) Gonzalez Aguirre,L (2300)-Elguezabal Varela,D (2300) Alcobendas 1993}) 15... b5 $1 {[%mdl 512] Black is better.} 16. Nce4 $2 (16. cxb5 $17 {is a better defense.} axb5 17. Bb2) 16... Nxe4 17. Nxe6 fxe6 18. Qxe4 Ne5 {Threatens to win with ...Qa5.} 19. f4 Nf7 20. Qxe6 bxc4 21. bxc4 Bf6 22. Rad1 (22. Rc1 $142) 22... Re7 $19 23. Qd5 {intending e4.} Qa8 (23... Rfe8 $19 24. Kf1 Qc8 25. Bxd6 Qh3+ 26. Qg2 Qxg2+ 27. Kxg2 Nxd6 {[%mdl 64] Overworked Piece} 28. Rxd6 Rxe2+ {[%mdl 64] Double Attack} 29. Kf1 Rxh2) 24. Kf3 (24. Rc2 $17) 24... Qxd5+ 25. Rxd5 Rfe8 {And now ...Re3+ would win.} 26. Bxd6 Rxe2 27. Be5 Rxa2 {[%cal Rf6e5]} ({Less strong is} 27... R2xe5 28. fxe5 Nxe5+ 29. Kf2 $17) (27... Nxe5+ 28. Kxe2 Nxc4+ 29. Kf3 $15) 28. Bxf6 gxf6 29. Rb1 Rxh2 30. Rb6 Kg7 31. Rd7 (31. Rxa6 $142 Rc2 32. Rd7) 31... Rc2 32. Rbb7 Rf8 33. Rdc7 Rc3+ 34. Kg4 {[#]} h5+ $1 35. Kh4 (35. Kxh5 Rxg3) 35... Kg6 36. f5+ Kxf5 {aiming for ...Rg8.} 37. Rxf7 Rxc4+ 38. Kxh5 {[%mdl 4096] Endgame KRR-KRR} Rh8+ 39. Rh7 Rxh7+ 40. Rxh7 {[#] KR-KR} Rc1 $2 (40... Rg4 $1 $19 41. Rc7 Rxg3 42. Rc5+ Ke4 43. Rc4+ Kd3) 41. g4+ $15 Kf4 {( -> ...Rh1+)} 42. Ra7 Rc6 (42... Rc5+ {keeps more tension.} 43. Kg6 Rc6 44. Rf7 Ke5 45. Kh5 Rb6) 43. Ra8 Rb6 44. Ra7 Ke5 45. Ra8 (45. Rf7 $11 {keeps the balance.}) 45... Kd5 46. Kg6 Kc4 47. Rf8 $2 {[%mdl 8192]} (47. Kf5 $17) 47... a5 $19 48. g5 {Accuracy: White = 20%, Black = 68%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.19"]
[White "Braeuer, Franz"]
[Black "Santagati, Alessandro"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2429"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,85,29,19,20,19,25,26,18,18,22,22,22,18,28,28,27,29,34,34,32,31,33,32,31,15,17,21,33,28,46,49,49,47,53,40,68,52,120,105,96,79,78,33,37,-2,-2,-4,-7,-8,-8,-57,-48,-106,-33,-43,-4,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 c5 8. Ne5 a6 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} 9. Qa4+ Bd7 10. Nxd7 Qxd7 {White has an edge.} 11. Qxd7+ Kxd7 12. dxc5 Bxc5 13. Be2 Rhd8 {[#]} 14. Bf3 $146 ({Predecessor:} 14. a4 a5 15. Bf4 Ke7 16. Bf3 Rd7 17. O-O Rad8 18. Rfe1 h6 19. h4 Nd5 20. Bg3 Bd6 21. Bxd6+ {½-½ (21) Kasimdzhanov,R (2704)-Dorfman,J (2602) Germany 2002}) 14... Nd5 15. Ke2 Kc7 16. Rd1 f6 17. Rd3 (17. Bd2 {looks sharper.} a5 18. a4 Ne7 19. Be4 g5 20. b4) 17... Ne7 18. Rxd8 Rxd8 19. b4 Bb6 20. Rb1 e5 21. g4 g6 22. a4 Nd5 23. Rb3 Ba7 24. a5 Ne7 25. b5 {[#] Black must now prevent b6+.} axb5 (25... Bc5 $14) 26. Rxb5 $16 Nc6 27. Be4 Ra8 28. f3 Bg1 29. g5 fxg5 30. Bxc6 Kxc6 31. Rxe5 Bxh2 $11 {[%mdl 4096] Endgame KRB-KRB} 32. Re6+ Kd7 33. Rb6 ({White should play} 33. Rf6 $1 $15) 33... Kc7 (33... Bc7 $17 34. Rxb7 Kc6) 34. Rf6 $1 $15 Rxa5 35. Rf7+ {The position is equal.} Kc6 36. Rxh7 Bf4 (36... Be5 {seems wilder.} 37. Bd2 Bd6 38. Be3 Re5 39. Kd3 Bc5) 37. Bxf4 gxf4 $11 {KR-KR} 38. Kd3 Re5 {next ...Re3+ is good for Black.} 39. Kd4 Re3 40. Rg7 Rxf3 {[#] aiming for ...Rg3.} 41. Rxg6+ Kc7 42. Rf6 Rf1 43. Ke4 {Accuracy: White = 78%, Black = 35%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.20"]
[White "Schnepp, Gunnar"]
[Black "Morawietz, Dieter"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2256"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,82,72,73,79,36,43,0,0,0,3,0,0,0,21,0,0,0,10,0,6,0,18,0,0,2,21,0,0,0,21,1,17,16,2,0,16,-18,43,-20,-25,-10,41,53,47,24,47,44,46,0,0,0,30,-12,97,101,105,91,106,52,76,0,10,-31,-31,-33,62,37,37,31,41,37,36,43,42]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. e4 Bg4 {E10: Blumenfeld Gambit} 7. Nbd2 (7. Be2 {looks sharper.} Be7 8. Nc3 Nbd7 9. h3 Bh5 10. O-O) 7... Nbd7 8. h3 $146 ({Predecessor:} 8. Bd3 a6 9. a4 g6 10. a5 Ne5 11. Be2 Nxf3+ 12. Bxf3 Bxf3 13. Qxf3 Bg7 14. Nc4 {1-0 (57) Naumann,A (2540)-Fier,A (2572) Germany 2014}) 8... Bxf3 {The position is equal.} 9. Qxf3 g6 10. Bd3 Bg7 11. Nc4 Nb6 12. O-O Nxc4 13. Bxc4 a6 14. Bg5 b5 15. Bd3 O-O 16. Rae1 c4 17. Bb1 Re8 18. Re2 h6 19. Bh4 Qe7 20. Rfe1 g5 {[#]} 21. e5 $1 {[%mdl 512]} dxe5 22. Bg3 {[%cal Rg3e5]} Nd7 $1 23. Qf5 Qd6 (23... Rad8 $11) 24. f4 ({Better is} 24. h4 $14) 24... gxf4 $11 {[#]} 25. Bxf4 $1 {[%mdl 576] Pin} Re7 (25... Rad8 $11) (25... exf4 26. Rxe8+) 26. Bg3 $36 {[%mdl 3072] White has compensation. Black is under pressure.} Nf8 27. Kh1 Rae8 28. Be4 Ng6 29. h4 Nf4 30. Re3 Kf8 31. Rd1 Rd8 {[#]} (31... Re6 $1 $11) 32. Be1 $1 $16 b4 33. Rg3 Rb7 34. Bf2 (34. Rxg7 $6 Kxg7 35. h5 Rdb8 $11) (34. Qh7 $16 Qf6 35. Rf3 (35. h5 Ne2 $14)) 34... Rc7 35. Be1 (35. Rxg7 Kxg7 36. h5 Rg8 $15) (35. a3 $16 {Hoping for axb4.} bxa3 36. Rxa3 (36. Qh7 f5 $15)) 35... a5 36. a3 ({Reject} 36. Rxg7 Kxg7 37. h5 Rg8 $17) 36... c3 ({Wrong is} 36... Ng6 $2 37. axb4 axb4 38. Qg4 $18) 37. bxc3 bxc3 (37... bxa3 $15 38. Qh7 Qf6) 38. Rxc3 {White is slightly better.} Rxc3 39. Bxc3 Ne2 {White must now prevent ...Ng3+.} 40. Qf3 Nxc3 41. Qxc3 Bf6 {Accuracy: White = 35%, Black = 51%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.21"]
[White "Kueppers, Timo"]
[Black "Zysk, Robert"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "2250"]
[BlackElo "2412"]
[Annotator "RC"]
[PlyCount "123"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:02]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:05]} 3. Nd2 {[%emt 0:00:00]} c5 {[%emt 0:01:58]} 4. exd5 {[%emt 0:00:12]} exd5 {[%emt 0:00:05]} 5. Ngf3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:11]} 6. Bb5+ {[%emt 0:00:04]} Bd7 {[%emt 0:00:05]} 7. Bxd7+ {[%emt 0:00:06]} Nbxd7 {[%emt 0:00:05]} 8. O-O {[%emt 0:00:08]} Be7 {[%emt 0:00:06]} 9. dxc5 {[%emt 0:00:05]} Nxc5 {[%emt 0:00:16]} 10. Nb3 {[%emt 0:00:03]} Nce4 {[%emt 0:01:11]} 11. Nfd4 {[%emt 0:00:25]} Qd7 {[%emt 0:02:29]} 12. f3 {[%emt 0:02:10]} Nd6 {[%emt 0:04:27]} 13. Nc5 {[%emt 0:00:37]} Qc8 {[%emt 0:06:21]} 14. Nd3 {[%emt 0:00:55]} O-O {[%emt 0:00:44]} 15. Re1 {[%emt 0:01:08]} Bd8 {[%emt 0:06:21]} 16. Bg5 {[%emt 0:05:57]} Nf5 {[%emt 0:09:30]} 17. Nxf5 {[%emt 0:04:22]} Qxf5 {[%emt 0:00:06]} 18. Re5 {[%emt 0:00:20]} Qd7 {[%emt 0:00:11]} 19. Kh1 {[%emt 0:15:30]} h6 {[%emt 0:05:58]} 20. Bh4 {[%emt 0:17:38]} Rc8 {[%emt 0:01:41]} 21. c3 {[%emt 0:03:53]} Ng4 {[%emt 0:12:07]} 22. fxg4 {[%emt 0:05:49]} Bxh4 {[%emt 0:00:34]} 23. Qf3 {[%emt 0:01:03]} Rfd8 {[%emt 0:04:19]} 24. Rf1 {[%emt 0:13:16]} Bf6 {[%emt 0:13:19]} 25. Rf5 {[%emt 0:00:07]} d4 {[%emt 0:01:08]} 26. Nc5 {[%emt 0:02:22]} Qc6 {[%emt 0:03:54]} 27. Ne4 {[%emt 0:01:22]} Re8 {[%emt 0:05:26]} 28. Nxf6+ {[%emt 0:03:08]} gxf6 {[%emt 0:00:06]} 29. Qh3 {[%emt 0:03:37]} dxc3 {[%emt 0:15:34]} 30. bxc3 {[%emt 0:06:46]} Kg7 {[%emt 0:01:04]} 31. Qh4 {[%emt 0:09:20]} Re6 {[%emt 0:01:19]} 32. Qf2 {[%emt 0:00:20]} Rce8 {[%emt 0:02:09]} 33. h4 {[%emt 0:03:21]} Re2 {[%emt 0:00:47]} 34. Qg3 {[%emt 0:00:18]} R8e3 35. R1f3 {[%emt 0:00:45]} Qxc3 {[%emt 0:01:15]} 36. g5 {[%emt 0:00:31]} Qe1+ {[%emt 0:00:28]} 37. Qxe1 {[%emt 0:01:03]} Rxe1+ {[%emt 0:00:04]} 38. Kh2 {[%emt 0:00:05]} hxg5 {[%emt 0:00:11]} 39. hxg5 {[%emt 0:00:46]} Rxf3 {[%emt 0:00:15]} 40. gxf6+ {[%emt 0:00:03]} Kg6 {[%emt 0:00:09]} 41. Rxf3 {[%emt 0:30:02]} Re6 {[%emt 0:30:12]} 42. Rb3 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 43. Ra3 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 44. Rb3 {[%emt 0:00:00]} Kxf6 {[%emt 0:00:00]} 45. Rb5 {[%emt 0:00:00]} Ke7 {[%emt 0:00:00]} 46. Kh3 {[%emt 0:00:00]} f6 {[%emt 0:00:00]} 47. g4 {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 48. Kg3 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 49. Kf3 {[%emt 0:00:00]} Rc6 {[%emt 0:00:00]} 50. Kg3 {[%emt 0:00:00]} Rc2 {[%emt 0:00:00]} 51. Rxb6 {[%emt 0:00:00]} Rxa2 {[%emt 0:00:13]} 52. Rb5 {[%emt 0:00:00]} Ra1 {[%emt 0:01:31]} 53. Kg2 {[%emt 0:00:00]} a4 {[%emt 0:02:56]} 54. Ra5 {[%emt 0:00:00]} a3 {[%emt 0:00:09]} 55. Kh2 {[%emt 0:00:00]} Kf7 {[%emt 0:00:15]} 56. Ra6 {[%emt 0:00:00]} Ke7 {[%emt 0:01:29]} 57. Kg2 {[%emt 0:00:00]} a2 {[%emt 0:01:32]} 58. Kh2 {[%emt 0:00:00]} Kd7 {[%emt 0:00:09]} 59. Kg2 {[%emt 0:00:00]} Kc7 {[%emt 0:00:09]} 60. g5 {[%emt 0:00:40]} fxg5 {[%emt 0:00:06]} 61. Ra7+ {[%emt 0:00:49]} Kb6 {[%emt 0:00:07]} 62. Ra8 {[%emt 0:00:16]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.22"]
[White "Miller, Eduard"]
[Black "Koelle, Tobias"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2402"]
[BlackElo "2281"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,85,-2,6,-11,0,0,0,0,1,-23,-21,-25,-12,-29,-28,-31,-24,-24,-24,-24,-24,-24,-24,-25,-28,-25,-30,-60,-60,-77,-75,-98,-100,-95,-100,-98,-91,-92,-87,-94,-74,-83,-64,-75,-78,-85,-77,-120,-120,-120,-114,-127,-116,-105,-62,-96,-41,-43,-41,-138,-29,-29,-8,-8,-8,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. a3 {C47: Scotch Four Knights and Four Knights with 4 g3} (10. Bg5 c6 11. Qf3 Bd6 12. Rae1 Rb8 13. Nd1 h6 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. b3 f5 17. Ne3 f4 18. Nf5 Bxf5 19. Bxf5 Kg7 20. g3 Kf6 21. Bd3 {½-½ (30) Movsesian,S (2654)-Ding,L (2811) Khanty-Mansiysk 2019}) 10... Be7 11. h3 c5 12. Bf4 $146 ({Predecessor:} 12. Re1 Be6 13. b3 Rc8 14. Qf3 c4 15. bxc4 Qa5 16. Rb1 dxc4 {½-½ (26) Fass,R (2390)-Green,W (2447) ICCF email 2014}) 12... Bb7 13. Qf3 Qb6 {Hoping for ...c4.} 14. Rfe1 Rfe8 15. b3 c4 16. Bf1 d4 17. Na4 Bxf3 18. Nxb6 axb6 19. gxf3 cxb3 20. cxb3 Rxa3 21. Rxa3 Bxa3 22. Rxe8+ Nxe8 $11 {[%mdl 4096] Endgame KBB-KBN} 23. Bb5 Bd6 24. Bd2 Nc7 25. Bc6 Ne6 26. Kf1 Bf4 27. Bb4 d3 {[#] ...Nd4 is the strong threat.} 28. Bc3 Bg5 29. Ke1 g6 30. Bb5 Nf4 31. Bd4 Bd8 32. Kd2 Nxh3 33. Bxd3 Nf4 34. Bf1 h5 35. Be3 Ne6 36. Kd3 Kf8 (36... f5 $17 37. Kc4 h4) 37. Kc4 $15 Ke8 38. Kb5 ({White should try} 38. Kd5 $15) 38... h4 (38... Kd7 $17 39. b4 h4) 39. Kc6 $11 g5 40. b4 {The position is equal.} Nf4 41. b5 h3 {[#] And now ...h2 would win.} 42. Bxf4 $1 gxf4 43. Bxh3 {Accuracy: White = 57%, Black = 58%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.23"]
[White "Ciolek, Andreas"]
[Black "Piscopo, Pierluigi"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2238"]
[BlackElo "2398"]
[Annotator "RC"]
[PlyCount "73"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:05:39]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:26]} Nc6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:06]} Nf6 {[%emt 0:06:42]} 4. d3 {[%emt 0:00:29]} g6 {[%emt 0:07:37]} 5. Bg2 {[%emt 0:00:33]} Bg7 {[%emt 0:00:15]} 6. O-O {[%emt 0:00:07]} d5 {[%emt 0:00:13]} 7. Nbd2 {[%emt 0:01:56]} O-O {[%emt 0:00:11]} 8. Re1 {[%emt 0:02:35]} Bg4 {[%emt 0:12:22]} 9. h3 {[%emt 0:04:53]} Bxf3 {[%emt 0:00:15]} 10. Qxf3 {[%emt 0:00:05]} e6 {[%emt 0:01:33]} 11. Nb3 {[%emt 0:08:04]} Rc8 {[%emt 0:13:24]} 12. c4 {[%emt 0:17:22]} dxe4 {[%emt 0:16:59]} 13. dxe4 {[%emt 0:00:55]} Qb6 {[%emt 0:00:08]} 14. Bg5 {[%emt 0:18:20]} Nd7 {[%emt 0:03:13]} 15. Rad1 {[%emt 0:01:01]} h6 {[%emt 0:03:12]} 16. Bc1 {[%emt 0:01:44]} Rfd8 {[%emt 0:00:52]} 17. Qe2 {[%emt 0:03:03]} a5 {[%emt 0:01:28]} 18. f4 {[%emt 0:01:02]} a4 {[%emt 0:07:21]} 19. Na1 {[%emt 0:00:42]} Nd4 {[%emt 0:00:06]} 20. Qf1 {[%emt 0:04:45]} Qa6 {[%emt 0:00:41]} 21. e5 {[%emt 0:02:23]} Nb6 {[%emt 0:00:16]} 22. b3 {[%emt 0:07:32]} axb3 {[%emt 0:01:35]} 23. Nxb3 {[%emt 0:00:06]} Qxa2 {[%emt 0:00:55]} 24. Nxd4 {[%emt 0:07:13]} cxd4 {[%emt 0:01:17]} 25. Bxb7 {[%emt 0:01:06]} Rxc4 {[%emt 0:00:15]} 26. Be3 {[%emt 0:00:35]} Qa7 {[%emt 0:08:38]} 27. Be4 {[%emt 0:01:35]} Ra4 {[%emt 0:00:29]} 28. g4 {[%emt 0:00:32]} Nd5 {[%emt 0:00:38]} 29. Bc1 {[%emt 0:01:03]} Nc3 {[%emt 0:02:51]} 30. Rd3 {[%emt 0:00:18]} Nxe4 {[%emt 0:00:53]} 31. Rxe4 {[%emt 0:00:07]} Ra1 {[%emt 0:00:02]} 32. Re1 {[%emt 0:01:12]} Qc5 {[%emt 0:06:09]} 33. Red1 {[%emt 0:01:08]} Qc2 {[%emt 0:04:06]} 34. Be3 {[%emt 0:01:16]} Rxd1 {[%emt 0:00:26]} 35. Qxd1 {[%emt 0:00:24]} Qxd1+ {[%emt 0:00:06]} 36. Rxd1 {[%emt 0:00:03]} Bf8 {[%emt 0:00:43]} 37. Rxd4 {[%emt 0:00:25]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.24"]
[White "Padmini, Rout"]
[Black "Koellner, Ruben Gideon"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2394"]
[BlackElo "2265"]
[Annotator "RC"]
[PlyCount "97"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:12]} 3. Bg2 {[%emt 0:00:08]} e6 {[%emt 0:00:04]} 4. O-O {[%emt 0:00:10]} Nbd7 {[%emt 0:00:54]} 5. d4 {[%emt 0:01:20]} b5 {[%emt 0:00:11]} 6. Nbd2 {[%emt 0:07:14]} Bb7 {[%emt 0:01:10]} 7. Nb3 {[%emt 0:08:19]} c5 {[%emt 0:01:19]} 8. c3 {[%emt 0:07:16]} Be7 {[%emt 0:15:58]} 9. Bg5 {[%emt 0:00:24]} Rc8 {[%emt 0:03:12]} 10. dxc5 {[%emt 0:06:03]} Nxc5 {[%emt 0:01:26]} 11. Nxc5 {[%emt 0:00:21]} Bxc5 {[%emt 0:00:32]} 12. Qb3 {[%emt 0:01:23]} a6 {[%emt 0:02:40]} 13. a4 {[%emt 0:00:47]} Qb6 {[%emt 0:00:26]} 14. Bxf6 {[%emt 0:06:01]} gxf6 {[%emt 0:00:06]} 15. axb5 {[%emt 0:00:09]} Qxb5 {[%emt 0:02:38]} 16. Qxb5+ {[%emt 0:01:28]} axb5 {[%emt 0:00:02]} 17. Ra5 {[%emt 0:00:58]} Bc6 {[%emt 0:03:08]} 18. Nd4 {[%emt 0:01:49]} Bxd4 {[%emt 0:08:19]} 19. cxd4 {[%emt 0:00:03]} Kd7 {[%emt 0:01:57]} 20. Rfa1 {[%emt 0:01:14]} Ra8 {[%emt 0:09:42]} 21. Ra7+ {[%emt 0:02:28]} Kd6 {[%emt 0:00:05]} 22. Bf1 {[%emt 0:10:55]} Rhb8 {[%emt 0:03:48]} 23. b4 {[%emt 0:08:38]} Rxa7 {[%emt 0:05:52]} 24. Rxa7 {[%emt 0:00:03]} Bd7 {[%emt 0:00:47]} 25. e3 {[%emt 0:01:00]} Kc6 {[%emt 0:00:19]} 26. Kg2 {[%emt 0:03:16]} Rd8 {[%emt 0:00:22]} 27. Bd3 {[%emt 0:03:37]} Kb6 {[%emt 0:00:18]} 28. Ra2 {[%emt 0:00:46]} f5 {[%emt 0:00:25]} 29. Kh3 {[%emt 0:02:04]} Rc8 {[%emt 0:09:07]} 30. Kh4 {[%emt 0:01:55]} Rc3 {[%emt 0:00:09]} 31. Rd2 {[%emt 0:09:13]} Rb3 {[%emt 0:15:47]} 32. Kg5 {[%emt 0:00:26]} Rxb4 {[%emt 0:00:43]} 33. Kh6 {[%emt 0:01:38]} Ra4 {[%emt 0:05:19]} 34. Kxh7 {[%emt 0:00:26]} f6 {[%emt 0:01:03]} 35. Kg7 {[%emt 0:01:00]} e5 {[%emt 0:01:37]} 36. Kxf6 {[%emt 0:04:36]} exd4 {[%emt 0:01:37]} 37. exd4 {[%emt 0:00:49]} Rxd4 {[%emt 0:00:54]} 38. Ke5 {[%emt 0:00:13]} Kc5 {[%emt 0:01:23]} 39. h4 {[%emt 0:03:37]} Be8 {[%emt 0:00:51]} 40. Rc2+ {[%emt 0:00:52]} Rc4 {[%emt 0:00:04]} 41. Bxf5 {[%emt 0:30:52]} b4 {[%emt 0:33:11]} 42. g4 {[%emt 0:00:15]} b3 {[%emt 0:00:24]} 43. Rd2 {[%emt 0:00:59]} Rc1 {[%emt 0:01:27]} 44. Rxd5+ {[%emt 0:00:44]} Kb4 {[%emt 0:00:00]} 45. h5 {[%emt 0:00:00]} b2 {[%emt 0:00:00]} 46. h6 {[%emt 0:00:00]} Bc6 {[%emt 0:00:00]} 47. h7 {[%emt 0:00:00]} Re1+ {[%emt 0:00:00]} 48. Kd6 {[%emt 0:00:00]} Bxd5 {[%emt 0:00:00]} 49. h8=Q {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.25"]
[White "Zude, Arno"]
[Black "Rasch, Holger"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2372"]
[BlackElo "2236"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,39,24,20,51,31,34,14,14,22,33,0,5,0,8,0,0,-18,-7,-79,-80,-92,-47,-83,-43,-32,-38,-40]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. O-O-O Be7 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} 9. f3 b5 10. Nxc6 (10. g4 Nxd4 11. Bxd4 Bb7 12. Kb1 O-O 13. Rg1 Rac8 14. h4 Rfd8 15. Bh3 Ne8 16. g5 {½-½ (30) Dominguez Perez,L (2739)-Shankland,S (2731) Saint Louis 2019}) 10... dxc6 {The position is equal.} 11. g4 e5 12. g5 Nh5 13. Qf2 Be6 14. h4 O-O 15. Bb6 $146 ({Predecessor:} 15. Bh3 Qc8 16. Qd2 {½-½ (54) Dhyana,P (1995)-Roebers,E (2083) Mumbai 2019}) 15... Qb7 16. Be2 (16. Bh3 $11) 16... a5 $17 {[%cal Ba6a5,Ba5a4][%mdl 32]} 17. Bc5 a4 {White must now prevent ...b4.} 18. a3 $1 Rfd8 19. Rxd8+ Rxd8 20. Rd1 {Accuracy: White = 64%, Black = 43%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.26"]
[White "Donchenko, Anatoly"]
[Black "Moehn, Hans"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2229"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,92,20,1,26,17,8,-24,-24,-16,-15,-33,-27,-27,-28,-33,-35,-34,-39,-51,-40,-38,-54,-48,-45,-46,-54,-48,-36,-51,-39,-88,-87,-84,-75,-110,-33,-251,-250,-313,-293,-358,-350,-461,-434,-565,-372,-362,-356,-352,-339,-671,-678,-716,-716,-722,-676,-729,-718,-719,-725,-718,-700,-691,-700,-741,-738,-706,-679,-675,-667,-821,-812,-816,-814,-810,-793,-981,-959,-1032,-995,-1160,-1122,-1078,-1034]} 1. Nf3 g6 2. d4 Nf6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 b5 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} 7. c4 $146 ({Predecessor:} 7. Bb2 Bb7 8. Nbd2 Nbd7 9. c4 bxc4 10. Nxc4 a5 11. Rc1 c5 12. dxc5 Nxc5 13. Bd4 Ncd7 14. a4 Ra6 15. Na3 Qa8 16. Nb5 Rc6 17. Rxc6 Bxc6 {0-1 (58) Meier,G (2628)-Carlsen,M (2845) Karlsruhe/Baden Baden 2019}) 7... bxc4 8. bxc4 Nbd7 {Black has an edge.} 9. Nbd2 Rb8 10. Qc2 c5 11. Bb2 cxd4 12. Nxd4 {Strongly threatening Nc6.} Bb7 13. Bxb7 Rxb7 14. Nc6 Qe8 15. Rab1 {White wants to play Bxf6.} Rc7 16. Nd4 Qa8 17. Rfc1 h5 18. Nb5 Rcc8 19. Bxf6 Nxf6 20. Nc3 {[#]} d5 $1 21. Qb3 {[%cal Rc3d5]} Bh6 22. f4 {[%cal Rc3d5]} e5 (22... dxc4 $17 23. Nxc4 g5) 23. e3 $2 ({White should play} 23. Nxd5 $15 Nxd5 24. cxd5) 23... d4 $19 {[%mdl 64] Overworked Piece} 24. exd4 exf4 25. d5 fxg3 26. Nce4 gxh2+ 27. Kg2 Nxe4 28. Nxe4 f5 ({Don't play} 28... Bxc1 29. Rxc1 f5 30. Qg3 $19) 29. Nd6 Rcd8 30. Nb7 $2 (30. Qg3 Rf6 31. Nb7 Rxd5 32. cxd5 Bxc1 33. Rxc1 Qxb7 34. Qe5) 30... Bxc1 {Black is clearly winning.} 31. c5 Rd7 32. c6 {[#]} Qe8 $1 {( -> ...Qe2+)} 33. Rxc1 Qe2+ 34. Kh1 Qe4+ {[%mdl 64] Double Attack} 35. Kxh2 Rxd5 36. Rc5 Qe2+ 37. Kh3 Qd3+ 38. Qxd3 Rxd3+ {[%mdl 4096] Endgame KRR-KRN} 39. Kg2 Rc8 40. a4 Kf7 41. Kf2 Rc7 42. Ke2 Rd4 43. a5 Re4+ 44. Kf3 Ke7 45. a6 Re6 46. Na5 Kf6 {Accuracy: White = 34%, Black = 88%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.27"]
[White "Baum, Jonasz"]
[Black "Moeldner, Juergen"]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "2341"]
[BlackElo "2234"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,50,21,37,32,56,47,55,58,44,45,49,60,64,41,35,36,33,34,29,-9,-13,0,-8,-14,0,0,0,-6,-2,-25,-11,-10,0,0,52]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. Qc2 Bd7 9. Rd1 Rb8 10. e4 {E63: King's Indian: Fianchetto: Panno Variation with 7...a6} e5 11. dxe5 dxe5 12. Nd5 {White is slightly better.} Nxd5 $146 ({Predecessor:} 12... Bg4 13. Bg5 Nd4 14. Rxd4 exd4 15. e5 Bf5 16. Qc1 h6 17. Nxf6+ Kh8 18. Bxh6 Bxf6 19. exf6 Qxf6 20. Bxf8 Rxf8 {1-0 (66) Koneru,H (2557)-Kashlinskaya,A (2429) Doha 2016}) 13. cxd5 Nd4 14. Nxd4 exd4 15. Bf4 Rc8 16. Qb3 b6 17. Rac1 Re8 18. Rc4 c5 19. dxc6 Be6 {[#] White must now prevent ...b5.} 20. Qd3 {Rc2 is the strong threat.} Bxc4 21. Qxc4 {Hoping for Bh3.} g5 22. Bd2 Re6 23. e5 b5 24. Qd3 Rxe5 25. Rc1 Re6 {Accuracy: White = 58%, Black = 69%.} (25... Qd6 $11) 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.28"]
[White "Hedke, Fred"]
[Black "Faerber, David"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2225"]
[BlackElo "2332"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,58,4,0,0,-39,-27,-20,-7,-29,0,-46,-48,-50,-49,-48,-53,-57,-50,-118,-104,-108,-99,-83,-83,-85,-87,-93,-70,-118,-21,-14,-14,-14,-14,-14,-14,-14,-12,-12,-13,0,0,0,0,0,0,0,0]} 1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nf3 Nxd5 6. d4 Nc6 7. Nc3 Bf5 {Black wants to play ...Ndb4. B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} 8. a3 e6 9. Bc4 Be7 $146 ({Predecessor:} 9... Nb6 10. Bb5 Bd6 11. Bg5 Be7 12. Bxe7 Qxe7 13. Ne5 Qd6 14. g4 Bg6 {1-0 (42) Mamedov,R (2561)-Kadimova,I (2330) Izmir 2006}) 10. O-O O-O 11. Be3 Nxc3 12. bxc3 Rc8 13. Be2 Na5 14. Qa4 a6 $36 {[%mdl 2048] Black fights for an advantage.} 15. d5 (15. Rfc1 $1 $15) 15... b5 16. Qd1 Qxd5 17. Qxd5 exd5 18. a4 {[#] Black must now prevent Nd4.} Nc4 $1 ({Much weaker is} 18... Rxc3 $6 19. axb5 Nb3 20. Rxa6 $14) 19. axb5 {Bxc4 is the strong threat.} axb5 20. Nd4 Bd7 (20... Nxe3 $17 21. fxe3 Bg6) 21. Ra7 $11 {Threatens to win with Bxc4.The position is equal.} Rfd8 22. Rxd7 {[%mdl 64] [#] Remove Defender} Rxd7 23. Bg4 Rdd8 24. Bxc8 Rxc8 25. Nxb5 Nxe3 26. fxe3 {KRB-KRN} g6 27. Rd1 Rc5 28. Rb1 Rc4 29. Kf2 Bf6 {Accuracy: White = 71%, Black = 60%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.29"]
[White "Ludvik, Tomas"]
[Black "Sieglen, Joachim"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2305"]
[BlackElo "2187"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,35,50,51,40,49,35,57,31,22,17,68,0,0,0]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. Nf3 O-O 8. e4 Qa5 9. Bd2 Bxa6 10. Be2 d6 11. O-O Qb4 12. Bxa6 Nxa6 13. Qc2 {A57: Benko/Volga Gambit} Qc4 $146 ({Predecessor:} 13... Rfb8 14. Rab1 Qb7 15. a3 Qb3 16. Rfc1 Nd7 17. Bg5 Kf8 18. Qxb3 Rxb3 19. Nd2 Rb7 20. Nc4 Ne5 {½-½ (31) Olsen,F (2309)-Haubro,M (2358) Ballerup 2018}) 14. a3 {[#] aiming for b3.} Rfb8 15. Rfb1 {Threatens to win with b3.} Qb3 16. Qc1 Qc4 (16... Nc7 $11) 17. Qc2 (17. Bh6 $1 $14) 17... Qb3 $11 18. Qc1 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.30"]
[White "Prraneeth Vuppala"]
[Black "Marin, Mihail"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2149"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,47,8,8,0,4,5,20,-7,22,22,48,41,111,97,91,97,96,89,132,131,110,115,94,85,139,153,214,199,225,223,300,321,329,324,326,333,325,238,305,323]} 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. e4 d6 (4... d5 5. a3 Bxd2+ 6. Nxd2 dxe4 7. Nxe4 Nf6 8. Nc3 O-O 9. Be2 Na6 10. Nf3 c5 11. O-O Qb6 12. Na4 Qc7 13. Nxc5 Nxc5 14. dxc5 Qxc5 15. Qd4 Qxd4 16. Nxd4 a4 17. f4 Bd7 18. Bf3 Rac8 19. Rac1 Rc7 {½-½ (19) Goryachkina,A (2504)-Edouard,R (2658) Skopje 2019}) 5. Nf3 Nf6 6. Bd3 {A40: Unusual replies to 1 d4} e5 7. Nc3 Nc6 8. a3 {The position is equal.} Bxc3 9. Bxc3 {[%cal Rd4e5]} exd4 10. Nxd4 Ne5 (10... Nxd4 $14 11. Bxd4 O-O) 11. f4 $146 ({Predecessor:} 11. O-O O-O 12. f4 Nxd3 {0-1 (36) Coathup,R (2159)-Cooper,J (2278) Reading 2017}) 11... Nxd3+ 12. Qxd3 O-O 13. O-O Ng4 14. h3 Nh6 15. Qg3 f6 16. Rae1 c5 ({Black should try} 16... Nf7) 17. Nb5 $16 Be6 (17... Ra6 $16 {might work better.} 18. e5 Nf5) 18. b3 $40 {[%mdl 128] White wants a kill.} Nf7 19. Rd1 Ra6 20. e5 fxe5 21. fxe5 Qg5 22. Qxg5 Nxg5 23. Rxf8+ (23. Nxd6 Rxf1+ 24. Rxf1 Rb6 $16) (23. Rxd6 Rxd6 24. Nxd6 Rxf1+ 25. Kxf1 b6 $16) (23. exd6 $6 Rxf1+ 24. Rxf1 Bd7 $16) 23... Kxf8 24. Bd2 {Accuracy: White = 73%, Black = 27%.} ({Not} 24. Nxd6 b6 $16) ({Weaker is} 24. Rxd6 Rxd6 25. Nxd6 b6 $16) ({Resist} 24. exd6 $6 Bd7 $18) 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.31"]
[White "Goldbeck, Lars"]
[Black "Zajogin, Alexander"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2203"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,10,12,7,25,16,21,17,18,-26,-19,-11,4,-3,48,0,-17,-10,17,-4,-13,-114,-19,-41,-61,-64,-60,-64,-59,-70,-73,-70,-26,-40,-43,-49,-47,-37,-45,-104,-139,-278,-262,-257,-243,-204,-206,-200,-184,-383,-406,-572,-563,-657,-534,-795,-595,-1237,-777,-754,-738,-1346,-1270,-29982,-29983,-29991,-29992]} 1. Nf3 e6 2. c4 Nf6 3. e3 b6 4. d4 Bb4+ 5. Bd2 a5 6. Bd3 {E11: Bogo-Indian} d5 7. cxd5 exd5 8. Qa4+ $146 {The position is equal.} ({Predecessor:} 8. Ne5 O-O 9. O-O Bb7 10. Nc3 Re8 11. Rc1 c6 12. f4 Nbd7 13. Rf3 Bxc3 14. Bxc3 {1-0 (21) Gavrilov,A (2491)-Van Egmond,R (2151) Leiden 2017}) 8... Qd7 9. Bb5 c6 10. Bd3 Qe7 11. Ne5 O-O (11... Ba6 $11) 12. O-O Bd6 13. f4 Ne4 14. Bxe4 dxe4 15. f5 (15. Nc3 $11 {keeps the balance.}) 15... f6 ({Much less strong is} 15... Bxe5 16. dxe5 Qxe5 17. Bc3 $15) ({Better is} 15... Nd7 $17 16. Nxd7 (16. Nxc6 Qh4 $17) (16. Qxc6 Nxe5 17. dxe5 Qxe5 $17 {[%mdl 64] Double Attack}) 16... Bxd7) 16. Qb3+ Kh8 17. Nc4 a4 $1 {[%cal Ra4b3]} 18. Qc2 Bc7 $36 {[%mdl 2048] Black is pushing.} 19. Be1 $1 Ba6 20. Bg3 Bxg3 (20... c5 $5 {[%cal Rc7g3]} 21. Bxc7 Qxc7 $15) 21. hxg3 b5 22. Ncd2 b4 {Threatens to win with ...Bd3.} 23. Nc4 c5 {White must now prevent ...cxd4.} 24. Rf4 {[#]} (24. d5 $1 $15) 24... cxd4 $1 $17 25. exd4 (25. Rxe4 $17 {keeps fighting.} Qc5 26. Rxd4) 25... Bxc4 26. Qxc4 e3 {Hoping for ...e2.} 27. Qe2 Re8 28. a3 Nc6 {[%cal Bb8c6,Bc6d4,Bd4c2,Bc2e1][%mdl 32] And now ...Rad8 would win.} 29. axb4 $2 (29. d5 Na5 30. Rxb4) 29... Qxb4 $19 30. Nc3 (30. d5 $142 Nd4 31. Kh2) 30... a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 31. Rb1 a2 32. Ra1 Nxd4 33. Qe1 Nc2 34. Rxb4 Nxe1 35. Rxa2 Rxa2 36. Nxa2 e2 37. Nc1 {[#]} Nf3+ $1 {[%mdl 576] Clearance, Promotion. Accuracy: White = 38%, Black = 60%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.32"]
[White "Badelka, Olga"]
[Black "Richter, Nils"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2413"]
[BlackElo "2213"]
[Annotator "RC"]
[PlyCount "103"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:03]} 5. Nf3 {[%emt 0:00:00]} O-O {[%emt 0:00:14]} 6. h3 {[%emt 0:00:00]} e5 {[%emt 0:00:25]} 7. d5 {[%emt 0:00:00]} Nh5 {[%emt 0:00:27]} 8. g3 {[%emt 0:00:12]} Na6 {[%emt 0:00:48]} 9. Bg2 {[%emt 0:04:41]} f5 {[%emt 0:01:01]} 10. exf5 {[%emt 0:00:20]} gxf5 {[%emt 0:00:13]} 11. Ng5 {[%emt 0:01:00]} Nf6 {[%emt 0:00:50]} 12. O-O {[%emt 0:02:24]} h6 {[%emt 0:05:18]} 13. Nf3 {[%emt 0:00:05]} c5 {[%emt 0:13:11]} 14. dxc6 {[%emt 0:09:22]} bxc6 {[%emt 0:00:10]} 15. Nh4 {[%emt 0:00:14]} Qc7 {[%emt 0:01:42]} 16. Qa4 {[%emt 0:09:26]} e4 {[%emt 0:03:54]} 17. Be3 {[%emt 0:00:29]} Nd7 {[%emt 0:02:55]} 18. Ng6 {[%emt 0:10:42]} Re8 {[%emt 0:01:52]} 19. Rad1 {[%emt 0:07:47]} Kh7 {[%emt 0:08:28]} 20. Nf4 {[%emt 0:00:31]} Nb6 {[%emt 0:04:26]} 21. Qc2 {[%emt 0:24:31]} Nxc4 {[%emt 0:02:50]} 22. Nxe4 {[%emt 0:00:04]} d5 {[%emt 0:07:36]} 23. Nc5 {[%emt 0:07:07]} Nxe3 {[%emt 0:02:07]} 24. fxe3 {[%emt 0:00:04]} Qe5 {[%emt 0:06:23]} 25. Nxa6 {[%emt 0:02:31]} Bxa6 {[%emt 0:00:15]} 26. Rfe1 {[%emt 0:00:51]} Rac8 {[%emt 0:05:07]} 27. b3 {[%emt 0:00:05]} Kg8 {[%emt 0:01:26]} 28. h4 {[%emt 0:01:53]} Bb7 {[%emt 0:04:27]} 29. Bh3 {[%emt 0:01:13]} Rf8 {[%emt 0:01:05]} 30. Kh2 {[%emt 0:01:02]} Rf7 {[%emt 0:01:16]} 31. Qc5 {[%emt 0:04:45]} Re8 {[%emt 0:07:31]} 32. Rc1 {[%emt 0:02:43]} a5 {[%emt 0:02:44]} 33. Bg2 {[%emt 0:04:17]} Ra8 {[%emt 0:01:08]} 34. Nd3 {[%emt 0:00:57]} Qf6 {[%emt 0:01:20]} 35. a4 {[%emt 0:00:45]} Ba6 {[%emt 0:01:22]} 36. Qxa5 {[%emt 0:02:23]} Raa7 {[%emt 0:01:32]} 37. Qd2 {[%emt 0:00:25]} Bxd3 {[%emt 0:02:18]} 38. Qxd3 {[%emt 0:00:03]} Qd6 {[%emt 0:00:05]} 39. e4 {[%emt 0:02:58]} fxe4 {[%emt 0:03:02]} 40. Rxe4 {[%emt 0:00:31]} Be5 {[%emt 0:08:23]} 41. Rxe5 {[%emt 0:05:58]} Qxe5 {[%emt 0:00:21]} 42. Rxc6 {[%emt 0:00:04]} Rad7 {[%emt 0:04:21]} 43. a5 {[%emt 0:07:43]} d4 {[%emt 0:03:11]} 44. a6 {[%emt 0:01:52]} Qf5 {[%emt 0:01:23]} 45. Qxf5 {[%emt 0:03:05]} Rxf5 {[%emt 0:00:01]} 46. Bh3 {[%emt 0:00:07]} Rf2+ {[%emt 0:04:18]} 47. Kg1 {[%emt 0:00:04]} Rdf7 {[%emt 0:00:32]} 48. Be6 {[%emt 0:00:03]} Rf1+ {[%emt 0:00:55]} 49. Kg2 {[%emt 0:00:03]} R1f2+ {[%emt 0:00:09]} 50. Kh3 {[%emt 0:00:03]} d3 {[%emt 0:00:41]} 51. a7 {[%emt 0:01:03]} Ra2 {[%emt 0:00:10]} 52. Rc7 {[%emt 0:00:12]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.33"]
[White "Wiechert, Hans"]
[Black "Gschnitzer, Adrian"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2187"]
[BlackElo "2412"]
[Annotator "RC"]
[PlyCount "52"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:13]} d5 {[%emt 0:00:00]} 4. cxd5 {[%emt 0:00:11]} Nxd5 {[%emt 0:00:03]} 5. Bg2 {[%emt 0:00:28]} Nc6 {[%emt 0:00:08]} 6. d4 {[%emt 0:00:14]} cxd4 {[%emt 0:01:18]} 7. Nxd4 {[%emt 0:00:11]} Ndb4 {[%emt 0:00:42]} 8. Nxc6 {[%emt 0:00:15]} Qxd1+ {[%emt 0:00:07]} 9. Kxd1 {[%emt 0:00:10]} Nxc6 {[%emt 0:00:07]} 10. Bxc6+ {[%emt 0:00:08]} bxc6 {[%emt 0:00:11]} 11. Nc3 {[%emt 0:00:07]} e5 {[%emt 0:08:28]} 12. Be3 {[%emt 0:04:41]} Be7 {[%emt 0:04:57]} 13. Kd2 {[%emt 0:02:11]} Rb8 {[%emt 0:04:53]} 14. b3 {[%emt 0:07:06]} Bf5 {[%emt 0:01:55]} 15. Na4 {[%emt 0:05:25]} O-O {[%emt 0:06:32]} 16. Nc5 {[%emt 0:10:07]} Rb5 {[%emt 0:06:37]} 17. Rhc1 {[%emt 0:07:02]} Bh3 {[%emt 0:17:35]} 18. Rc4 {[%emt 0:06:45]} f5 {[%emt 0:02:32]} 19. Rac1 {[%emt 0:01:45]} f4 {[%emt 0:01:56]} 20. gxf4 {[%emt 0:00:18]} exf4 {[%emt 0:00:27]} 21. Bd4 {[%emt 0:00:48]} Rd8 {[%emt 0:01:53]} 22. e3 {[%emt 0:02:16]} fxe3+ {[%emt 0:12:34]} 23. fxe3 {[%emt 0:00:30]} Rf8 {[%emt 0:00:06]} 24. Nd3 {[%emt 0:00:30]} Rg5 {[%emt 0:05:31]} 25. Nf4 {[%emt 0:03:16]} Bd7 {[%emt 0:00:19]} 26. Bc5 {[%emt 0:05:01]} Kf7 {[%emt 0:06:36]} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.34"]
[White "Soham Das"]
[Black "Ryzhkov, Vadim"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2376"]
[BlackElo "2187"]
[Annotator "RC"]
[PlyCount "115"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:29]} e6 {[%emt 0:00:00]} 2. d3 {[%emt 0:00:20]} d5 {[%emt 0:00:00]} 3. Qe2 {[%emt 0:00:10]} Be7 {[%emt 0:00:14]} 4. Nf3 {[%emt 0:00:07]} b6 {[%emt 0:01:13]} 5. g3 {[%emt 0:02:09]} Bb7 {[%emt 0:00:54]} 6. Bg2 {[%emt 0:00:28]} Nf6 {[%emt 0:05:14]} 7. e5 {[%emt 0:03:22]} Nfd7 {[%emt 0:00:13]} 8. h4 {[%emt 0:01:01]} h6 {[%emt 0:02:28]} 9. O-O {[%emt 0:18:47]} c5 {[%emt 0:12:20]} 10. c4 {[%emt 0:07:53]} d4 {[%emt 0:00:40]} 11. Re1 {[%emt 0:02:03]} Qc7 {[%emt 0:09:57]} 12. Nbd2 {[%emt 0:16:02]} Nc6 {[%emt 0:00:25]} 13. Nf1 {[%emt 0:00:07]} Bf8 {[%emt 0:10:46]} 14. Bf4 {[%emt 0:10:09]} Ne7 {[%emt 0:05:01]} 15. N1h2 {[%emt 0:05:11]} Qc6 {[%emt 0:03:14]} 16. h5 {[%emt 0:01:23]} g6 {[%emt 0:06:38]} 17. Ng4 {[%emt 0:03:46]} O-O-O {[%emt 0:00:54]} 18. Nf6 {[%emt 0:06:00]} g5 {[%emt 0:04:31]} 19. Ne4 {[%emt 0:00:59]} Nf5 {[%emt 0:03:35]} 20. Bd2 {[%emt 0:05:38]} Kb8 {[%emt 0:02:22]} 21. b4 {[%emt 0:01:55]} g4 {[%emt 0:02:32]} 22. Nh2 {[%emt 0:00:12]} cxb4 {[%emt 0:00:22]} 23. Nxg4 {[%emt 0:00:08]} Be7 {[%emt 0:04:12]} 24. Reb1 {[%emt 0:03:35]} a5 {[%emt 0:06:07]} 25. Kh2 {[%emt 0:02:39]} Kc7 {[%emt 0:01:36]} 26. Bh1 {[%emt 0:01:16]} Qa4 {[%emt 0:01:32]} 27. a3 {[%emt 0:04:46]} bxa3 {[%emt 0:04:35]} 28. Bc1 {[%emt 0:00:04]} Bb4 {[%emt 0:00:47]} 29. Bxa3 {[%emt 0:02:22]} Bxa3 {[%emt 0:00:14]} 30. Qa2 {[%emt 0:00:12]} Rhg8 {[%emt 0:07:23]} 31. Bf3 {[%emt 0:01:16]} Rb8 {[%emt 0:01:31]} 32. Rb5 {[%emt 0:00:39]} Bc6 {[%emt 0:01:23]} 33. Bd1 {[%emt 0:00:40]} Qxd1 {[%emt 0:01:41]} 34. Rxd1 {[%emt 0:00:14]} Bxb5 {[%emt 0:00:10]} 35. cxb5 {[%emt 0:00:52]} Bc5 {[%emt 0:00:53]} 36. Ngf6 {[%emt 0:00:35]} Nxf6 {[%emt 0:00:49]} 37. Nxf6 {[%emt 0:00:15]} Rgc8 {[%emt 0:00:36]} 38. Rc1 {[%emt 0:00:28]} Kd8 {[%emt 0:00:44]} 39. g4 {[%emt 0:00:27]} Ne7 {[%emt 0:01:04]} 40. Qd2 {[%emt 0:00:25]} Bb4 {[%emt 0:00:25]} 41. Qxh6 {[%emt 0:30:05]} Rxc1 {[%emt 0:30:21]} 42. Qxc1 {[%emt 0:00:34]} Rc8 {[%emt 0:00:00]} 43. Qf4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 44. Ne4 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 45. Qxf7 {[%emt 0:00:00]} a3 {[%emt 0:00:00]} 46. Qxe6 {[%emt 0:00:00]} Ra8 {[%emt 0:00:00]} 47. Qf7 {[%emt 0:00:00]} Kd7 {[%emt 0:00:00]} 48. Nf6+ {[%emt 0:00:00]} Kc8 {[%emt 0:00:00]} 49. Qe8+ {[%emt 0:00:00]} Kb7 {[%emt 0:00:00]} 50. Qd7+ {[%emt 0:00:00]} Kb8 {[%emt 0:00:00]} 51. h6 {[%emt 0:00:00]} Ra7 {[%emt 0:00:00]} 52. Qd8+ {[%emt 0:00:00]} Nc8 {[%emt 0:00:00]} 53. Nd7+ {[%emt 0:00:00]} Kb7 {[%emt 0:00:00]} 54. Nxc5+ {[%emt 0:00:00]} bxc5 {[%emt 0:00:00]} 55. h7 {[%emt 0:00:00]} a2 {[%emt 0:00:00]} 56. h8=Q {[%emt 0:00:00]} a1=Q {[%emt 0:00:00]} 57. Qd7+ {[%emt 0:00:00]} Kb6 {[%emt 0:00:00]} 58. Qhd8+ {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.35"]
[White "Schaefer, Michael"]
[Black "Hess, Max"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2160"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,118,11,14,-9,1,0,-4,-11,-12,-41,-2,-9,-4,-79,-67,-69,-81,-75,-83,-113,-74,-95,-81,-177,-53,-74,-80,-60,-71,-118,-16,-14,-8,-6,4,0,12,-29,-7,-19,0,-10,0,-15,0,-8,0,0,0,-1,-6,-20,53,-44,31,47,102,103,104,120,111,101,80,0,149,93,100,83,81,81,189,133,133,127,457,457,439,439,435,424,435,411,402,341,479,478,464,455,483,456,601,592,750,724,740,710,676,-29993,-29994,-29998,-29999]} 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 c5 7. O-O cxd4 8. Nxd4 d5 9. c4 dxc4 10. bxc4 Qb6 11. Bc3 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} (11. Qc1 Nc6 12. Nxc6 bxc6 13. Nd2 Rd8 14. Nb3 Qc7 15. Bd4 Rb8 16. Qc3 Ne8 17. Bxg7 Nxg7 18. Qa5 Ne8 19. Qxc7 Nxc7 20. Bxc6 {½-½ (75) Vidit,S (2718)-So,W (2780) chess.com INT 2018}) 11... e5 $146 ({Predecessor:} 11... Rd8 12. Qb3 Ne4 13. Bxe4 Bxd4 14. Bxd4 Rxd4 15. Nc3 Nc6 16. e3 Rd2 17. Rfd1 Rxd1+ 18. Rxd1 Be6 19. Nd5 Qxb3 20. axb3 Rc8 21. Nf4 Rd8 22. Rxd8+ Nxd8 23. Kf1 Kf8 24. Ke2 Bd7 25. Kd2 {½-½ (25) Schandorff,L (2501)-Andersen,M (2479) Svendborg 2016}) 12. Nb3 Nc6 13. N1d2 {The position is equal.} Rd8 14. h3 h5 15. Qc1 Bf5 $36 {[%mdl 2048] Black has some pressure.} 16. c5 (16. Qb2 $11 {keeps the balance.}) 16... Qa6 17. e4 Be6 18. Re1 Rac8 19. Qb2 Qa4 20. Bf1 Nd4 21. Na5 (21. Nxd4 $17 {was necessary.} exd4 22. Qb4 Qxb4 23. Bxb4) 21... Qd7 ({But not} 21... Rxc5 22. Nxb7 Rxc3 23. Qxc3 $15) (21... Bh6 $19 {White must now prevent ...Bxd2.} 22. f4 h4) 22. Bxd4 Qxd4 23. Qxd4 Rxd4 24. Ndb3 Rxe4 (24... Rb4 $17 {Threatening ...Rc7.} 25. Rac1 b6) 25. Nxb7 $11 Rxe1 26. Rxe1 Ne8 27. Bg2 f5 28. Rc1 e4 29. Bf1 Rc7 30. N7a5 Kf7 31. h4 Ke7 32. Rc2 Bf7 33. c6 Bd5 34. Ba6 Nd6 35. Bb7 Nb5 (35... Bxb3 $11 36. axb3 Bd4) 36. Kf1 (36. Nc5 $1 $14) 36... Nc3 (36... Na3 $15 37. Rc5 Kd6) 37. Nc5 $14 Kd6 ({Black should play} 37... Bxa2 $14 38. Na6 Bb1) 38. Na6 $16 Rxc6 39. Bxc6 Bxc6 40. Nxc6 Kxc6 {[%mdl 4096] Endgame KRN-KBN} 41. Ke1 (41. Rb2 $16) 41... Kd6 (41... Kb6 $1 $11 42. Nb8 Kc7) 42. Kd2 (42. Rd2+ $142 Ke7 43. Nc5) 42... Nd5 43. Rc8 Bd4 44. Ke1 Nf6 (44... Bb6 $16) 45. Ke2 ({Better is} 45. Rd8+ $18 Ke5 46. Nb8) 45... Bb6 46. Nb4 Ng4 $2 {[%mdl 8192] [#]} (46... Kd7 $16 47. Ra8 Ke6) 47. Rc6+ $18 Ke5 48. Rxg6 Bc5 49. Nc6+ Kd5 50. f3 exf3+ 51. Kxf3 a6 (51... Bd6 $142 52. Rxd6+ Kxd6) 52. Kg2 Ke4 53. Nd8 Ne3+ 54. Kh3 Kf3 55. Ne6 Ba7 56. Ng5+ {[%mdl 64] Discovered Attack} Kf2 57. Rxa6 Ng4 58. Rxa7 $4 {[%mdl 8192] [#]} (58. Rd6 $18 Kf1 59. Rd1+ Ke2 60. Rd5) 58... Kg1 $1 {[%cal Rg4f2]} 59. Nf3+ Kh1 {Accuracy: White = 54%, Black = 28%.} 0-1

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.36"]
[White "Ramaraju, N."]
[Black "Fiedorek, Michal"]
[Result "1/2-1/2"]
[ECO "E71"]
[WhiteElo "2139"]
[BlackElo "2343"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,105,34,42,51,39,47,55,29,62,67,85,80,154,144,144,137,150,79,191,154,212,175,188,123,116,114,120,124,145,114,147,122,99,30,87,83,89,81,88,75,95,53,56,0,99,103,107,0,77,30,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 e5 7. d5 Nbd7 8. g4 {E71: King's Indian: 4 e4 d6 5 h3} Nc5 9. f3 a5 (9... c6 10. Qd2 cxd5 11. cxd5 Bd7 12. Nge2 h5 13. Nc1 Rc8 14. Nb3 Nxb3 15. axb3 {0-1 (64) Grandelius,N (2691)-McShane,L (2688) Eskilstuna 2019}) 10. Nge2 {White is slightly better.} Nfd7 11. h4 Nb6 12. Ng3 c6 (12... Bf6 $142) 13. Qd2 cxd5 14. cxd5 Bd7 $146 ({Predecessor:} 14... f5 15. gxf5 gxf5 {1-0 (35) Palac,M (2546)-Pijpers,A (2453) Batumi 2018}) 15. O-O-O ({White should play} 15. Nb5) 15... a4 (15... Nba4 $16) 16. Kb1 Rc8 (16... Nb3 $16 {was necessary.} 17. axb3 axb3) 17. Rc1 Na8 18. Bb5 (18. Nb5 $18 Bxb5 19. Bxb5) 18... Nc7 $16 19. Bxd7 Qxd7 20. h5 b5 21. Nd1 N7a6 22. Nf2 b4 23. Nd3 (23. Bh6 $16 {And now Bxg7 would win.} f6 24. hxg6 hxg6 25. Bxg7 Kxg7 26. Qh6+ Kf7 27. g5) 23... Qb5 (23... Nxd3 $11 {keeps the balance.} 24. Qxd3 Nc5 25. Bxc5 dxc5) 24. Nxc5 Nxc5 {[#]} 25. Qe2 $1 {[%cal Re2b5]} Qb7 26. Rc4 Rc7 27. Rhc1 {[%cal Re3c5]} Rfc8 28. Bxc5 ({Better is} 28. Nf1 $14) 28... dxc5 (28... Rxc5 $11 29. Rxc5 dxc5) 29. Qe3 Qb6 30. Rd1 ({White should try} 30. Nh1 $16) 30... Qd6 (30... Qb5 $11 {remains equal.} 31. Rdc1 Qa6) 31. Ne2 Bf8 32. f4 (32. g5 {keeps more tension.} Re8 33. Rg1 Be7 34. f4 Qa6 35. Rgc1) 32... exf4 {The position is equal.} 33. Qxf4 {Black must now prevent e5.} Re8 $1 34. Qxd6 Bxd6 35. hxg6 hxg6 {Hoping for ...Rce7.} 36. Nc1 Rce7 37. Re1 {[#]} f5 $1 {[%mdl 512]} 38. gxf5 (38. exf5 Rxe1) 38... gxf5 {[%cal Re7e4]} 39. Rg1+ Rg7 40. Rxg7+ Kxg7 41. exf5 $11 {[%mdl 4096] Endgame KRB-KRN} Re5 42. Kc2 Rxf5 {next ...Rf2+ is good for Black.} 43. Nd3 Rxd5 44. a3 bxa3 (44... Rf5 {looks sharper.} 45. axb4 cxb4 46. Rxb4 Bxb4 47. Nxb4) 45. bxa3 Rd4 46. Rxd4 cxd4 {KB-KN} 47. Nb2 Bxa3 48. Nxa4 Kf6 49. Kd3 Ke5 50. Nb6 Bd6 51. Nc4+ Kd5 52. Nxd6 Kxd6 53. Kxd4 {Accuracy: White = 62%, Black = 49%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.37"]
[White "Schliebener, Stephan"]
[Black "Singer, Christoph"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2124"]
[BlackElo "2339"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,31,25,11,29,27,25,23,22,17,25,27,30,8,10,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 Nf6 5. e3 O-O 6. Nf3 b6 7. Bd3 dxc4 8. Bxc4 Bb7 9. O-O a6 {D37: Queen's Gambit Declined: 5 Bf4} 10. Qe2 b5 11. Bd3 Nbd7 {White has an edge.} 12. Rfd1 Rc8 (12... Bd6 13. Bg5 h6 14. Bh4 c5 15. Ne4 Bxe4 16. Bxe4 Ra7 17. dxc5 Nxc5 {1-0 (26) Nakamura,H (2775)-Anand,V (2793) London 2014}) 13. Ne5 h6 14. Rac1 c5 15. Nxd7 $146 ({Predecessor:} 15. dxc5 Rxc5 16. Nxd7 Nxd7 17. Bh7+ Kxh7 {½-½ (25) Zoll,D (2018)-Reuter,M (1945) GER email 2012}) 15... Nxd7 16. dxc5 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.38"]
[White "Yugina, Maria"]
[Black "Forchert, Martin"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "2112"]
[BlackElo "2335"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,-6,6,8,15,18,20,12,50,39,41,36,55,31,24,24,28,24,35,29,30,16,27,37,43,12,12,7,11,5,24,35,21,0,8,-35,-17,-25,-31,-39,-12,-156,-159,-171,0,0,0,-2,0,-3,0,0,0,-3,664,664]} 1. f4 c5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. O-O {A02: Bird's Opening} Bd7 (6... e5 7. e4 Nge7 8. c3 O-O 9. Na3 f5 10. fxe5 dxe5 11. Be3 b6 12. exf5 Bxf5 13. Ng5 Qxd3 14. Qb3+ Kh8 15. Rfe1 Bg4 16. Nf7+ Rxf7 17. Qxf7 {1-0 (47) Carlsen,M (2832)-Guseinov,G (2645) chess.com INT 2017}) 7. e4 Qc8 8. Nc3 {The position is equal.} Nh6 9. Nd5 f5 $146 ({Predecessor:} 9... O-O 10. c3 Bh3 11. f5 Bxg2 12. Kxg2 Ng4 13. h3 Nf6 14. Nxf6+ Bxf6 {1-0 (30) Bilalic,M-Rudlof,J Germany 1995}) 10. c3 O-O 11. Qe2 e6 {Threatens to win with ...fxe4.} 12. Ne3 Qc7 13. Bd2 Rae8 14. Rae1 b5 15. Qd1 Kh8 16. Ng5 Nf7 17. Nxf7+ Rxf7 18. exf5 gxf5 19. Qh5 Rff8 20. g4 Ne7 21. Rf3 fxg4 22. Qxg4 Rf6 23. Rg3 {[%csl Gg3][%cal Rg4g7]} Rg8 24. Rf1 d5 25. d4 {[#]} (25. Qe2 $11) 25... cxd4 $1 $17 26. cxd4 {[#]} Nf5 $2 (26... Rg6 $1 $19 {[%cal Rg6g4]} 27. Qh4 Bf6) 27. Nxf5 $11 Rxf5 28. Kh1 Be8 29. Qe2 $36 {[%mdl 2048] White has the initiative.} Qb6 30. Bh3 Bh5 31. Qg2 Bg6 $2 {[%mdl 8192]} (31... Rf6 $11) 32. Rxg6 {Accuracy: White = 53%, Black = 52%.} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.39"]
[White "Parvanyan, Alfred"]
[Black "Guttenthaler, Franz"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2107"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,7,6,-1,-5,-19,-21,-35,-46,-57,-46,-23,-42,-53,-31,-42,-21,-28,-29,-54,0,-7,0,0,0,0,0,-17,0,0,12,12,12,29,86,0,0,0,0,0,33,0,5,0,4,0,0,0,0,0,0,0,0,0,153,0,212,212,212,177,183,103,184,154,156,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. Nf3 Nf6 3. g3 b5 4. Bg2 Bb7 5. O-O c5 6. dxc5 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} (6. c3 Na6 7. Bg5 Be7 8. Nbd2 O-O 9. e3 h6 10. Bxf6 Bxf6 11. Qe2 cxd4 12. cxd4 Qb6 13. Rfc1 Rfc8 14. Ne1 Bxg2 15. Kxg2 Nb4 16. a3 Nc6 17. Ne4 {½-½ (44) Georgiev,K (2581)-Ponkratov,P (2644) Mali Losinj 2019}) 6... Bxc5 7. a4 b4 8. a5 $146 ({Predecessor:} 8. Nbd2 O-O 9. Nb3 Be7 10. a5 {0-1 (42) Bates,R (2346)-Adair,J (2420) Leeds 2014}) 8... O-O 9. Nbd2 Na6 10. Nb3 Be7 11. Be3 d5 12. Qd3 Ne4 13. Nfd2 {[%cal Rd2e4]} Nd6 14. Nc5 Nxc5 (14... Bc6 {feels hotter.} 15. Nxa6 Bb5 16. Qb3 Bxa6 17. Qxb4 Rc8) 15. Bxc5 Qc8 16. Bxd6 Bxd6 17. a6 $1 {[%cal Ra6b7]} Bc6 18. e4 {[%cal Re4d5]} Rd8 19. exd5 Bf8 {[%cal Rc6d5]} 20. dxc6 Rxd3 21. cxd3 {c7! is the strong threat.} Bd6 {[#]} (21... Rb8 $11) 22. c7 $1 {[%mdl 512]} Bxc7 $11 {Hoping for ...Rb8.} (22... Qxc7 23. Bxa8) 23. Bxa8 Qxa8 24. Rfc1 Bd8 25. Ra4 Qb8 26. Rc4 Be7 $1 27. Nb3 h5 28. Nd4 Qb6 29. Nc6 $36 {[%mdl 2048] White has some pressure.} Bc5 30. d4 $1 Qxc6 (30... Qb5 $5 31. b3 $8 Bb6 $14) 31. Raxb4 {[%mdl 64] [#] Pin} h4 $2 ({Black should play} 31... Qf3 $11 32. dxc5 Qd1+ 33. Kg2 Qd5+ 34. f3 Qd2+ 35. Kg1 (35. Kh3 Qd1 $11) 35... Qd1+ 36. Kg2 Qe2+ 37. Kg1 Qd1+ 38. Kg2 Qe2+ 39. Kg1 Qd1+) 32. gxh4 $2 ({Inferior is} 32. Rxc5 Qf3 $11) ({Only move:} 32. dxc5 $16 h3 33. Kf1) 32... Qxa6 $2 (32... Qf3 $11 33. dxc5 Qd1+ 34. Kg2 Qd5+ 35. f3 Qd2+ 36. Kh3 Qf2) 33. dxc5 $16 {[%mdl 4096] Endgame Strongly threatening c6. KQ-KRR} Qc6 34. Ra4 e5 35. h5 (35. Ra3 $18) 35... a6 (35... e4 $16) 36. Rab4 f5 37. b3 $2 ({White should try} 37. Kf1 $16) 37... Qf3 $11 {The position is equal.} 38. c6 {Threatens to win with c7.} e4 39. c7 Qd1+ 40. Kg2 Qf3+ 41. Kg1 Qd1+ 42. Kg2 {Accuracy: White = 33%, Black = 55%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.40"]
[White "Lavrinenkov, Vadim"]
[Black "Paris, Michael"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2306"]
[BlackElo "2186"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,152,8,17,4,26,0,18,14,20,-24,0,0,20,0,13,0,0,0,0,0,0,-13,-10,-18,-21,-16,-22,-14,2,-6,2,0,7,6,0,-19,0,-17,-3,-73,0,-12,-15,-14,-11,-15,-12,-12,-12,-13,-25,-24,0,0,0,0,0,0,0,-15,0,0,0,0,0,0,0,0,43,0,0,0,0,0,0,0,0,0,0,0,13,8,73,75,100,100,107,104,102,31,45,0,0,0,76,48,69,69,69,70,69,69,70,70,80,74,122,131,225,148,206,215,207,177,171,133,158,155,170,161,158,156,151,110,114,110,119,106,118,118,108,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} Bd6 (7... Re8 8. Bd2 a6 9. a3 Bd6 10. Rd1 Bd7 11. h3 h6 12. c5 Bf8 13. Ne5 Nxe5 14. dxe5 Ne4 15. Nxe4 dxe4 {1-0 (93) So,W (2767)-Vidit,S (2718) Khanty-Mansiysk 2019}) 8. Bd2 dxc4 9. Bxc4 e5 10. d5 Ne7 11. e4 Ng6 $146 ({Predecessor:} 11... Bg4 12. Qd3 c6 13. h3 Bxf3 14. Qxf3 b5 15. Bb3 {½-½ (60) Mica,M (2212)-Sernecki,F (2278) Marianske Lazne 2019}) 12. h3 Nh5 13. g3 Bd7 14. Bb5 Bxb5 15. Nxb5 Qd7 16. Nc3 Rac8 17. Qa4 Qxa4 18. Nxa4 b5 19. Nc3 a6 20. Be3 Nf6 21. Nd2 c6 22. dxc6 Rxc6 23. f3 Bb4 24. Ndb1 Ne7 25. O-O {[#]} (25. Kf2 $11) 25... Rd8 (25... Nh5 $1 $17 26. Kg2 f5) 26. a3 Bc5 27. Bxc5 Rxc5 28. Rf2 Nc6 29. Nd2 Nd4 30. Nf1 Nb3 31. Re1 Rd3 (31... Ne8 {feels hotter.} 32. Nd5 Nc7 33. Nfe3 f6 34. Rd1 Kf7) 32. Re3 Rxe3 33. Nxe3 Kf8 34. Kg2 Rc8 35. Nc2 Rd8 36. Nb4 Rd6 37. Rc2 Nd7 38. Ncd5 {[%cal Rc2c8]} Ndc5 39. Rc3 f6 (39... f5 $5) 40. Kf2 f5 41. Nd3 Nxd3+ 42. Rxd3 fxe4 43. fxe4 $11 {[%mdl 4096] Endgame KRN-KRN} Nd4 44. Rc3 Rc6 45. Nb4 Rf6+ 46. Kg2 a5 {[#]} (46... Rd6 $11 {remains equal.}) 47. Rc8+ $1 $16 Kf7 48. Nd3 Re6 49. Rc5 Kf6 50. Rd5 (50. Kf2 $16) 50... Rc6 $14 51. Nxe5 Rc2+ 52. Kf1 Nb3 (52... Ne2 $1 $11 {keeps the balance.}) 53. Ng4+ Kg6 54. Rxb5 Rxb2 55. Kg1 {Threatens to win with a4.} a4 56. Rb4 Ra2 57. Rxa4 h5 58. Ne5+ Kh7 59. Nf3 Nc1 (59... Nc5 $16 60. Ng5+ Kh6) 60. Ra5 Kg8 (60... Ne2+ $16 61. Kf2 Nc1+ 62. Kf1 Kg6 63. Ne5+ Kf6) 61. Ng5 {[%cal Ra5a8]} Kf8 62. Kf1 Nb3 63. Ra8+ Ke7 64. e5 Nd2+ 65. Kg1 Nc4 66. Ra7+ Ke8 67. Rxg7 {e6 is the strong threat.} Rxa3 68. Ne4 Nxe5 69. Nf6+ Kf8 70. Nxh5 Ra2 71. h4 ({White should try} 71. Kf1 $16) 71... Nf3+ $11 {The position is equal.} 72. Kf1 {Strongly threatening Rg6.} Rd2 $1 73. Rg6 {And now Rf6+ would win.} Nh2+ 74. Ke1 Nf3+ 75. Kf1 {aiming for Rf6+.} Nh2+ 76. Ke1 Nf3+ {Accuracy: White = 53%, Black = 57%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.41"]
[White "De Ruijter, Luuk"]
[Black "Seemann, Jakub"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2214"]
[BlackElo "1967"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:04]} 4. Bg2 {[%emt 0:00:14]} O-O {[%emt 0:00:10]} 5. O-O {[%emt 0:00:17]} d6 {[%emt 0:00:08]} 6. b3 {[%emt 0:00:18]} Nbd7 {[%emt 0:00:48]} 7. Bb2 {[%emt 0:00:51]} Ne4 {[%emt 0:01:40]} 8. Nbd2 {[%emt 0:00:50]} Nxd2 {[%emt 0:00:31]} 9. Qxd2 {[%emt 0:00:14]} Nf6 {[%emt 0:01:09]} 10. c4 {[%emt 0:00:33]} Ne4 {[%emt 0:01:30]} 11. Qe3 {[%emt 0:01:42]} f5 {[%emt 0:00:56]} 12. Nd2 {[%emt 0:07:57]} Nf6 {[%emt 0:05:51]} 13. Qd3 {[%emt 0:01:24]} e6 {[%emt 0:09:34]} 14. Rad1 {[%emt 0:01:56]} d5 {[%emt 0:01:25]} 15. Qc2 {[%emt 0:00:28]} Qe7 {[%emt 0:01:41]} 16. Nf3 {[%emt 0:01:32]} c6 {[%emt 0:12:27]} 17. Ne5 {[%emt 0:00:52]} Nd7 {[%emt 0:00:36]} 18. f4 {[%emt 0:02:14]} Nf6 {[%emt 0:03:29]} 19. Qc1 {[%emt 0:03:20]} Re8 {[%emt 0:01:56]} 20. e3 {[%emt 0:00:26]} Ne4 {[%emt 0:00:48]} 21. Bxe4 {[%emt 0:00:24]} fxe4 {[%emt 0:00:32]} 22. Ba3 {[%emt 0:00:41]} Qd8 {[%emt 0:00:42]} 23. Qc2 {[%emt 0:01:02]} Bd7 {[%emt 0:04:44]} 24. Bd6 {[%emt 0:00:31]} Bf6 {[%emt 0:07:48]} 25. Qe2 {[%emt 0:00:42]} b5 {[%emt 0:02:57]} 26. Rc1 {[%emt 0:02:44]} Bc8 {[%emt 0:01:47]} 27. c5 {[%emt 0:01:26]} Bb7 {[%emt 0:00:18]} 28. h4 {[%emt 0:00:40]} Be7 {[%emt 0:05:27]} 29. h5 {[%emt 0:00:19]} Bxd6 {[%emt 0:00:33]} 30. cxd6 {[%emt 0:00:10]} Qxd6 {[%emt 0:01:02]} 31. hxg6 {[%emt 0:00:32]} Re7 {[%emt 0:02:23]} 32. Kg2 {[%emt 0:00:36]} hxg6 {[%emt 0:01:32]} 33. Rh1 {[%emt 0:00:46]} Rg7 {[%emt 0:00:50]} 34. Rh6 {[%emt 0:00:39]} Kf8 {[%emt 0:02:14]} 35. Qg4 {[%emt 0:00:48]} Ke7 {[%emt 0:01:43]} 36. Qg5+ {[%emt 0:00:18]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.42"]
[White "Thiel, Fabian"]
[Black "Nasshan, Dennis"]
[Result "1/2-1/2"]
[ECO "D39"]
[WhiteElo "2109"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,0,0,-2,0,-6,-52,-36,-54,-52,-74,-52,-46,-47,-48,-50,-73,-73,-50,30,39,38,33,36,43,50,35,36,36,133,64,89,-193,-191,-191,-185,-186,-145,-152,-127,-181,-57,-58,0,0,0,0,182,153,137,122,133,62,139,0,463,0,0,0,0,-91,-76,-64,-17,-51,9,7]} 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 dxc4 5. Bg5 Bb4 6. Qa4+ Nc6 {[%cal Bb8c6,Bc6a5,Ba5b3][%mdl 32]} 7. a3 Bxc3+ 8. bxc3 Qd5 {White must now prevent ...Ne4. D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4} 9. Bxf6 gxf6 10. Qc2 (10. g3 Bd7 11. Qc2 Na5 12. e4 Qd6 13. Bg2 Nb3 14. Rd1 Qxa3 15. O-O O-O-O 16. Qe2 {½-½ (39) Mamedyarov,S (2774)-Aronian,L (2752) Zagreb 2019}) 10... Na5 {Black is slightly better.} 11. e4 Qc6 12. g3 Bd7 13. Bg2 Qa4 14. Qe2 Nb3 15. Rd1 $146 ({Predecessor:} 15. Rb1 Qxa3 16. O-O {1-0 (70) Zhao,X (2477)-Zaiatz,E (2405) Moscow 2004}) 15... Bb5 16. e5 f5 ({Better is} 16... Qxa3 $15 17. O-O f5) 17. Ng5 $11 Qxa3 18. Bxb7 Rb8 19. Qh5 {[%mdl 1024] White has compensation.} Qe7 20. Bf3 {Threatens to win with d5.} h6 21. h4 c6 (21... Rb6 $14) 22. O-O (22. g4 $1 $16) 22... a5 23. d5 $2 {[%mdl 8192]} (23. g4 $1 $16 {and life is bright.}) 23... cxd5 $19 24. Bxd5 Kf8 $1 $36 {[%mdl 2048] Black has strong initiative.} ({Don't take} 24... exd5 25. e6 $15) 25. Bg2 Kg7 26. Nh3 Nc5 $1 27. g4 (27. Rd4 $17) 27... fxg4 (27... Nd3 $1 $19 {aiming for ...Qc5.} 28. gxf5 exf5) 28. Qxg4+ $15 Kh7 (28... Kf8 $15 29. Rd6 Rh7) 29. Be4+ $11 Nxe4 30. Qxe4+ Kg8 $2 (30... Kg7 $1 $11) 31. Kh2 $1 $18 Kf8 32. Rg1 $1 Ke8 33. Qg4 (33. Rg4 $16) 33... Rd8 (33... Rf8 $14) 34. Nf4 ({White should play} 34. Qg8+ $16 Qf8 35. Qg2) 34... Qc5 $2 {[%mdl 8192] [#]} (34... Rxd1 $11 {and Black is okay.} 35. Rxd1 Qc5 36. Nxe6 Qxf2+ 37. Kh3 Qe3+ 38. Kh2 Qxe5+ 39. Nf4 Bc6) 35. Qg7 $2 (35. Nxe6 $1 $18 {[%mdl 512]} Qxe5+ {[%mdl 64] Double Attack} (35... fxe6 36. Qg6+) 36. f4 Qxe6 {[#]} 37. Rge1 $1 {[%mdl 576] Pin} Rxd1 38. Rxe6+ fxe6 39. Qxd1) 35... Rf8 $1 $11 {...Rxd1 is the strong threat.} 36. Rxd8+ Kxd8 37. Qf6+ (37. Qxh6 $11 {remains equal.} Kc7 38. Rf1) 37... Kc8 38. Ne2 Bc6 39. Nd4 Bd5 ({Black should try} 39... Bd7 $1 $15) 40. Qxh6 {Accuracy: White = 49%, Black = 36%.} 1/2-1/2

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.43"]
[White "Dobrikov, Marco"]
[Black "Juergens, Klaus"]
[Result "1-0"]
[ECO "B61"]
[WhiteElo "2291"]
[BlackElo "2121"]
[Annotator "ChessBase"]
[PlyCount "101"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:26]} 5. Nc3 {[%emt 0:00:00]} d6 {[%emt 0:00:12]} 6. Bg5 {[%emt 0:00:05]} Bd7 {[%emt 0:00:24]} 7. Qd2 {[%emt 0:01:43]} Rc8 {[%emt 0:04:01]} 8. O-O-O {[%emt 0:00:25]} Nxd4 {[%emt 0:00:22]} 9. Qxd4 {[%emt 0:00:29]} Qa5 {[%emt 0:00:09]} 10. f4 {[%emt 0:06:26]} Rxc3 {[%emt 0:07:40]} 11. bxc3 {[%emt 0:02:05]} e5 {[%emt 0:01:07]} 12. Qb4 {[%emt 0:10:50]} Qxb4 {[%emt 0:01:01]} 13. cxb4 {[%emt 0:00:01]} Nxe4 {[%emt 0:00:18]} 14. Bh4 {[%emt 0:00:29]} g5 {[%emt 0:06:04]} 15. fxg5 {[%emt 0:06:40]} Be7 {[%emt 0:00:45]} 16. Bc4 {[%emt 0:02:21]} h6 {[%emt 0:11:15]} 17. Rhf1 {[%emt 0:02:21]} O-O {[%emt 0:11:24]} 18. Rde1 {[%emt 0:11:29]} hxg5 {[%emt 0:05:43]} 19. Rxe4 {[%emt 0:00:03]} gxh4 {[%emt 0:00:08]} 20. Bd5 {[%emt 0:00:09]} Kg7 {[%emt 0:04:31]} 21. Rf3 {[%emt 0:04:46]} Bg5+ {[%emt 0:07:29]} 22. Kb2 {[%emt 0:03:03]} f5 {[%emt 0:03:39]} 23. Rc4 {[%emt 0:00:03]} e4 {[%emt 0:01:19]} 24. Rc7 {[%emt 0:03:18]} exf3 {[%emt 0:14:40]} 25. Rxd7+ {[%emt 0:00:02]} Kf6 {[%emt 0:00:14]} 26. Bxf3 {[%emt 0:00:30]} Bf4 {[%emt 0:04:42]} 27. h3 {[%emt 0:00:15]} Rf7 {[%emt 0:01:08]} 28. Rxf7+ {[%emt 0:00:23]} Kxf7 {[%emt 0:00:02]} 29. Bxb7 {[%emt 0:00:02]} Ke6 {[%emt 0:00:42]} 30. c4 {[%emt 0:00:48]} Kd7 {[%emt 0:02:55]} 31. Bd5 {[%emt 0:01:27]} Be3 {[%emt 0:00:21]} 32. Kc3 {[%emt 0:02:51]} Bf2 {[%emt 0:00:31]} 33. Kb3 {[%emt 0:01:48]} Be1 {[%emt 0:00:28]} 34. Ka4 {[%emt 0:00:10]} Kc7 {[%emt 0:00:44]} 35. Kb5 {[%emt 0:01:25]} Bd2 {[%emt 0:00:34]} 36. g3 {[%emt 0:04:25]} hxg3 {[%emt 0:03:38]} 37. h4 {[%emt 0:01:50]} Be3 {[%emt 0:04:04]} 38. h5 {[%emt 0:00:18]} Bd2 {[%emt 0:00:36]} 39. c5 {[%emt 0:00:43]} a5 {[%emt 0:02:29]} 40. c6 {[%emt 0:01:40]} axb4 {[%emt 0:00:54]} 41. Kc4 {[%emt 0:30:09]} Kb6 {[%emt 0:31:42]} 42. Kd3 {[%emt 0:00:58]} Bf4 {[%emt 0:00:00]} 43. Ke2 {[%emt 0:00:00]} Bg5 {[%emt 0:00:00]} 44. Kf3 {[%emt 0:00:00]} Kc7 {[%emt 0:00:00]} 45. Kxg3 {[%emt 0:00:00]} Kb6 {[%emt 0:00:00]} 46. Kf3 {[%emt 0:00:00]} b3 {[%emt 0:00:00]} 47. axb3 {[%emt 0:00:00]} Bh6 {[%emt 0:00:00]} 48. Ke2 {[%emt 0:00:00]} Bf4 {[%emt 0:00:00]} 49. Kd3 {[%emt 0:00:00]} Kc7 {[%emt 0:00:00]} 50. Kc4 {[%emt 0:00:00]} Kb6 {[%emt 0:00:00]} 51. Bf3 {[%emt 0:00:00]} 1-0

[Event "23rd OIBM 2019"]
[Site "Gmund am Tegernsee"]
[Date "2019.11.03"]
[Round "9.44"]
[White "Szabo, Marton Mihaly"]
[Black "Karpa, Adrian"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2282"]
[BlackElo "2087"]
[Annotator "ChessBase"]
[PlyCount "59"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:14]} c5 {[%emt 0:00:00]} 2. Be2 {[%emt 0:00:18]} e6 {[%emt 0:02:13]} 3. f4 {[%emt 0:01:03]} d5 {[%emt 0:00:22]} 4. d3 {[%emt 0:00:10]} Nf6 {[%emt 0:01:52]} 5. e5 {[%emt 0:00:09]} Nfd7 {[%emt 0:00:10]} 6. Nf3 {[%emt 0:00:15]} Nc6 {[%emt 0:08:41]} 7. O-O {[%emt 0:01:05]} b5 {[%emt 0:00:12]} 8. a4 {[%emt 0:03:19]} bxa4 {[%emt 0:01:56]} 9. Rxa4 {[%emt 0:02:21]} Nb6 {[%emt 0:00:52]} 10. Ra1 {[%emt 0:00:40]} a5 {[%emt 0:01:58]} 11. Kh1 {[%emt 0:04:02]} Be7 {[%emt 0:01:31]} 12. d4 {[%emt 0:01:20]} O-O {[%emt 0:00:34]} 13. Be3 {[%emt 0:04:36]} Ba6 {[%emt 0:04:24]} 14. dxc5 {[%emt 0:11:47]} Nd7 {[%emt 0:03:59]} 15. Bxa6 {[%emt 0:05:30]} Rxa6 {[%emt 0:02:15]} 16. Qe2 {[%emt 0:03:24]} Qa8 {[%emt 0:01:03]} 17. Qf2 {[%emt 0:09:54]} Rb8 {[%emt 0:15:57]} 18. Nc3 {[%emt 0:07:06]} a4 {[%emt 0:06:13]} 19. f5 {[%emt 0:01:38]} Qa7 {[%emt 0:10:44]} 20. Qg3 {[%emt 0:20:08]} Kh8 {[%emt 0:15:52]} 21. f6 {[%emt 0:08:03]} Nxf6 {[%emt 0:09:06]} 22. exf6 {[%emt 0:01:06]} Bxf6 {[%emt 0:00:21]} 23. Bg5 {[%emt 0:02:34]} Rxb2 {[%emt 0:02:08]} 24. Bxf6 {[%emt 0:02:23]} gxf6 {[%emt 0:00:09]} 25. Qf4 {[%emt 0:08:01]} Rxc2 {[%emt 0:00:39]} 26. Qxf6+ {[%emt 0:00:28]} Kg8 {[%emt 0:00:06]} 27. Ng5 {[%emt 0:00:46]} Qe7 {[%emt 0:01:44]} 28. Qh6 {[%emt 0:00:37]} f5 {[%emt 0:00:49]} 29. Nxd5 {[%emt 0:00:54]} exd5 {[%emt 0:02:47]} 30. Rxf5 {[%emt 0:00:17]} 1-0

