[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.06"]
[Round "1.1"]
[White "Peyrer, Konstantin"]
[Black "Borrmann, Laurenz"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2301"]
[BlackElo "2232"]
[Annotator "ChessBase"]
[PlyCount "96"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:10]} c6 {[%emt 0:00:13]} 2. d3 {[%emt 0:00:12]} d5 {[%emt 0:00:08]} 3. Nd2 {[%emt 0:00:04]} e5 {[%emt 0:00:11]} 4. Ngf3 {[%emt 0:00:08]} Bd6 {[%emt 0:00:08]} 5. d4 {[%emt 0:00:10]} exd4 {[%emt 0:00:14]} 6. Bd3 {[%emt 0:00:58]} dxe4 {[%emt 0:10:05]} 7. Nxe4 {[%emt 0:00:16]} Bb4+ {[%emt 0:04:28]} 8. c3 {[%emt 0:00:13]} dxc3 {[%emt 0:02:36]} 9. O-O {[%emt 0:00:08]} Bf5 {[%emt 0:10:38]} 10. Bg5 {[%emt 0:20:57]} Be7 {[%emt 0:06:05]} 11. Re1 {[%emt 0:00:51]} Bxe4 {[%emt 0:10:32]} 12. Rxe4 {[%emt 0:00:08]} cxb2 {[%emt 0:01:21]} 13. Rb1 {[%emt 0:00:15]} Nd7 {[%emt 0:02:04]} 14. Rd4 {[%emt 0:00:43]} Bxg5 {[%emt 0:09:53]} 15. Bf5 {[%emt 0:00:15]} Bf6 {[%emt 0:01:13]} 16. Rxd7 {[%emt 0:01:19]} Qa5 {[%emt 0:04:33]} 17. Qd6 {[%emt 0:24:16]} Ne7 {[%emt 0:01:38]} 18. Be4 {[%emt 0:00:17]} Rd8 {[%emt 0:01:12]} 19. Rd1 {[%emt 0:00:37]} Nd5 {[%emt 0:08:39]} 20. Ne5 {[%emt 0:03:18]} Be7 {[%emt 0:04:12]} 21. Rxe7+ {[%emt 0:01:35]} Nxe7 {[%emt 0:00:20]} 22. Qxd8+ {[%emt 0:00:05]} Qxd8 {[%emt 0:00:04]} 23. Rxd8+ {[%emt 0:00:06]} Kxd8 {[%emt 0:00:03]} 24. Nxf7+ {[%emt 0:00:07]} Ke8 {[%emt 0:02:35]} 25. Nxh8 {[%emt 0:00:09]} g6 {[%emt 0:01:29]} 26. h4 {[%emt 0:00:35]} Kf8 {[%emt 0:01:18]} 27. Kf1 {[%emt 0:00:51]} Nd5 {[%emt 0:00:39]} 28. Nxg6+ {[%emt 0:01:21]} hxg6 {[%emt 0:00:16]} 29. Bxg6 {[%emt 0:00:04]} Nc3 {[%emt 0:01:36]} 30. h5 {[%emt 0:00:15]} Nxa2 {[%emt 0:01:56]} 31. g4 {[%emt 0:00:17]} Nc3 {[%emt 0:00:23]} 32. f4 {[%emt 0:00:23]} a5 {[%emt 0:00:52]} 33. h6 {[%emt 0:00:13]} a4 {[%emt 0:00:34]} 34. Kg2 {[%emt 0:01:28]} a3 {[%emt 0:01:00]} 35. h7 {[%emt 0:00:09]} Kg7 {[%emt 0:00:20]} 36. f5 {[%emt 0:00:06]} b1=Q {[%emt 0:02:38]} 37. f6+ {[%emt 0:00:08]} Kxg6 {[%emt 0:00:11]} 38. h8=Q {[%emt 0:00:07]} Qe4+ {[%emt 0:00:29]} 39. Kg3 {[%emt 0:01:05]} Qe5+ {[%emt 0:01:38]} 40. Kg2 {[%emt 0:00:00]} Qe2+ {[%emt 0:00:00]} 41. Kh1 {[%emt 0:01:48]} Qf1+ {[%emt 0:03:01]} 42. Kh2 {[%emt 0:00:09]} Qxf6 {[%emt 0:00:39]} 43. Qg8+ {[%emt 0:00:11]} Qg7 {[%emt 0:00:14]} 44. Qe6+ {[%emt 0:00:31]} Kh7 {[%emt 0:00:22]} 45. Qf5+ {[%emt 0:00:21]} Kh8 {[%emt 0:00:29]} 46. Kg2 {[%emt 0:00:34]} Qe7 {[%emt 0:00:41]} 47. Qa5 {[%emt 0:01:18]} Nd5 {[%emt 0:00:52]} 48. Kg3 {[%emt 0:00:25]} Qc7+ {[%emt 0:00:09]} 0-1

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.06"]
[Round "1.2"]
[White "Yankelevich, Lev"]
[Black "Finek, Vaclav"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2444"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,85,8,3,0,25,29,58,77,96,87,86,81,85,78,160,167,177,162,159,166,272,273,266,178,173,0,231,82,79,45,73,72,72,72,215,229,223,200,218,55,23,0,214,214,193,83,328,54,690,727,722,718,717,685,29984,5227,29987,29988,29988,29989,29989,29990,29990,29991,29991,29992,29992,29993]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Bb5+ Nc6 9. O-O O-O 10. Bxc6 bxc6 11. Qc2 $1 {[%mdl 4] [#] is currently scoring better than 11.Ba3. D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Bg4 $146 ({Predecessor:} 11... Rb8 12. Ba3 cxd4 13. cxd4 Re8 14. Ne5 Bxe5 15. dxe5 Qa5 16. Bc5 Be6 17. h3 Rb5 18. Rfc1 Qc7 {0-1 (39) Gelfand,B (2663)-Vachier Lagrave,M (2761) Warsaw 2021}) 12. Ne5 Bxe5 13. dxe5 {White is slightly better.} Qa5 14. Bg5 Rfe8 15. h3 (15. f4 {seems wilder.} c4 16. h3 Bc8 17. Rad1 Rb8 18. Rd2) 15... Be6 16. f4 Rad8 ({Black should try} 16... Bc4) 17. f5 $1 $16 Bc4 18. Rf3 Qc7 19. Bf4 {[%cal Oe5e6] Strongly threatening e6!} Qc8 (19... e6 $142 20. Bg5 exf5) 20. Re1 $18 Kh8 21. Bg5 Qc7 22. Bf4 (22. e6 $142) 22... Qc8 23. f6 (23. e6 $1 $18 {[%cal Re6f7] Threatens to win with exf7.} f6 24. e5) 23... Qe6 24. Qc1 Rd3 25. Rf2 ({Don't play} 25. Rxd3 Bxd3 26. Qd2 Bc4 $14) 25... exf6 26. exf6 Qxf6 (26... Red8 $16) 27. Bg5 $1 Qd6 28. e5 {[%mdl 1024] White has strong compensation.} Qf8 29. Bh6 $2 (29. Re4 $18) 29... Qe7 $14 30. Bg5 $2 $36 {[%mdl 2048] Black is under pressure.} (30. Qf4 $11 Qe6 31. Qh4) 30... Qf8 $1 $18 31. Re4 Bd5 32. Rh4 (32. Bf6+ $1 $18 {and White stays clearly on top.} Kg8 33. Ra4) 32... c4 $2 (32... h5 $16 {was worth a try.}) 33. Rh6 $2 (33. Bh6 $1 $18 {[%cal Rh6f8]} Qe7 34. Bg7+ $1 Kg8 35. Rxh7 $1 (35. Qh6 Qxh4 36. Qxh4 Kxg7 $11) 35... Rd1+ 36. Qxd1 Kxh7 37. Bf6) 33... f5 $2 {[%mdl 8192]} (33... Qc5 34. Qf4 Kg8 35. Rxh7 $1 Rxe5 36. Bf6 Kxh7 37. Bxe5 $18) (33... Kg8 $14 34. Bf6 Qc5) 34. Bf6+ Kg8 {[#]} 35. Qg5 $1 Qf7 36. h4 {Hoping for h5.} Qb7 {[#]} 37. h5 (37. Rxg6+ $142 $1 {[%mdl 512]} hxg6 38. Qxg6+ Kf8 39. Qh6+ Kf7 40. Qh5+ Kg8 41. Qxe8+ Kh7 42. Qh5+ Kg8 43. Qh8+ Kf7 44. Qh7+ Kf8 45. Qxb7) 37... Bf7 38. hxg6 {White mates.} Bxg6 39. Rxg6+ hxg6 40. Qxg6+ Kf8 41. Qh6+ Kg8 42. Qh8+ Kf7 43. Qh7+ {Weighted Error Value: White=0.40/Black=0.78} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.06"]
[Round "1.3"]
[White "Cu Hor, Winston Darwin"]
[Black "Savanovic, Aleksandar"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2337"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,75,18,18,11,10,18,24,26,23,4,17,0,0,0,12,-9,-12,-11,0,0,0,0,22,23,23,0,0,0,0,0,0,-25,0,0,0,-164,-160,-166,-166,-166,-170,-160,-131,-233,-231,-111,-68,-55,0,-53,0,0]} 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Be7 5. b3 O-O 6. Bb2 c5 7. cxd5 exd5 8. d4 Nc6 9. Be2 Bg4 10. dxc5 Bxc5 11. O-O a6 12. a3 Ba7 13. b4 Qd6 14. h3 {D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3.} Bxf3 15. Bxf3 {[%cal Rc3d5]} Rad8 16. Ne2 {White has an edge.} Ne5 17. Ng3 {[#]} Rfe8 $146 ({Predecessor:} 17... Bb8 18. Re1 Nc4 19. Bd4 Rfe8 20. Re2 Ne4 21. Nf1 Re6 22. Rc2 b5 23. g3 Rg6 {1-0 (52) Gritsak,O (2457)-Enchev,I (2496) Heusenstamm 2018}) 18. Bd4 {A strong pair of Bishops.} Bb8 19. Re1 Qe6 20. Nf1 Ne4 21. Rc1 Qg6 22. Bxe5 Bxe5 23. Qc2 {To avoid Bb2} Qf6 24. Bxe4 dxe4 25. Red1 Qe6 26. Rxd8 Rxd8 {[%cal Be8d8,Bd8d3,Bd3c3][%mdl 32]} 27. Nd2 f5 28. Kf1 Rd3 29. Qc8+ Kf7 {[%cal Bg8f7,Bf7e6,Be6d5][%mdl 32] Hoping for ...Qxc8.} 30. Qxe6+ (30. Nc4 $11 {and White is okay.}) 30... Kxe6 $11 {[%mdl 4096] Endgame KRB-KRN} 31. Nc4 {[#]} Rc3 $1 32. Rxc3 Bxc3 $19 {KB-KN} 33. Ke2 b5 34. Nd2 {[#]} (34. Na5 $17 {keeps fighting.}) 34... Kd5 $1 {Strongly threatening ...Bxd2.} 35. Nb3 Bb2 (35... h6 $17 36. Kd1 g5) 36. Kd2 $1 $15 g5 ({Reject} 36... Bxa3 37. Kc3 $11) (36... Bf6 $15) 37. g3 (37. Kc2 $11 Bg7 38. g4) 37... h6 ({Of course not} 37... Bxa3 38. Kc3 $11) (37... Be5 $15) 38. g4 {Weighted Error Value: White=0.21 (precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.06"]
[Round "1.5"]
[White "Baidetskyi, Valentin"]
[Black "Kruckenhauser, Arthur"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2427"]
[BlackElo "2278"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,-18,0,0,0,-4,0,0,0,-10,-10,-13,-8,-18,-9,-15,0,0,-5,-27,-18,-42,-30,-26,7,-12,31,0,0,-12,0,-6,429,445,472,479,29979,11216,29995,29992,29996,29997]} 1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Be2 Be7 5. O-O O-O 6. Re1 {C44: Ponziani Opening and Scotch Gambit.} d5 7. exd5 Nxd5 8. Bf1 {The position is equal.} Bc5 9. c3 {[#]} a5 $146 {Inhibits b4.} ({Predecessor:} 9... Re8 10. b4 Bd6 11. b5 Na5 12. c4 Nf4 13. d4 e4 14. Bd2 Bg4 15. Qc1 exf3 16. Rxe8+ Qxe8 17. Bxf4 fxg2 {0-1 (50) Mrsevic,M (2312)-Stojanovic,D (2331) Serbia 2009}) 10. Nbd2 Re8 11. Ne4 Ba7 12. Bd2 Bg4 13. h3 Bh5 14. g4 Bg6 15. Qb3 Qd7 {[%cal Oa5a4]} 16. Nh4 ({Not} 16. Qxb7 $2 Reb8 17. Qxc6 Qxc6 $19) 16... a4 17. Qd1 ({Wrong is} 17. Qxb7 $2 Reb8 18. Qxa8 Rxa8 $19) 17... Qd8 (17... Nd8 $11) 18. Nf5 Qd7 19. Qf3 Rad8 20. Rad1 Nde7 $2 {[%mdl 8192] [#] Black cannot hold the game after this.} (20... Bxf5 $11 {and Black is okay.} 21. gxf5 f6) 21. Nxg7 $1 $18 {[%mdl 512]} Bxe4 (21... Nd5 22. Nxe8) 22. dxe4 ({Inferior is} 22. Qf6 {[#]} Nd5 $1 23. Qh4 (23. Nxe8 Rxe8 24. Qh4 Bg6 $17) 23... Bg6 24. Nxe8 Rxe8 $17) 22... Kxg7 {[#]} (22... Qd6 $18 23. Nxe8 Rxe8) 23. Bh6+ $1 {[%mdl 576] Discovered Attack, Decoy} Kxh6 (23... Kg6 24. Rxd7) 24. Qf6+ Ng6 25. Be2 {Weighted Error Value: White=0.05 (flawless) /Black=1.04} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.06"]
[Round "2.3"]
[White "Savanovic, Aleksandar"]
[Black "Leisch, Lukas"]
[Result "1/2-1/2"]
[ECO "B69"]
[Annotator "NA RC"]
[PlyCount "78"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

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 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. Kb1 Qb6 13. f5 O-O-O 14. Ne2 Kb8 15. Nf4 Na5 16. fxe6 fxe6 17. Nd4 d5 18. Ndxe6 Bxe6 19. Nxe6 Qxe6 20. Qxa5 dxe4 21. Be2 Kb7 22. Rhf1 f5 23. a4 Qb6 24. Qxb6+ Kxb6 25. axb5 axb5 26. Rxd8 Rxd8 27. Rxf5 Rd2 28. Rxb5+ Kc6 29. Re5 Rxe2 30. Rxe7 Kd5 31. Rxh7 Rxg2 32. b4 Kc4 33. Re7 Rg4 34. Kc1 Kxb4 35. Kd2 Rg2+ 36. Ke3 Rxh2 37. Rb7+ Kc4 38. Kxe4 Re2+ 39. Kf3 Rxc2 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.06"]
[Round "2.4"]
[White "Finek, Vaclav"]
[Black "Cu Hor, Winston Darwin"]
[Result "*"]
[ECO "E11"]
[WhiteElo "2419"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,48,43,49,37,61,58,56,54,55,50,51,39,50,54,90,97,87,69,75,75,62,59,58,17,11,22,12,0,0,0,7,0,0,0,6]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 c6 7. Bg2 O-O 8. O-O Nbd7 {8...b6 is the fancy move.} 9. Qc2 {E11: Bogo-Indian.} b6 10. e4 dxe4 11. Nxe4 {White is slightly better.} Nxe4 12. Qxe4 Bb7 13. Rac1 {[#]} Rb8 $146 ({Predecessor:} 13... Qe7 14. c5 Rfe8 15. Qe3 e5 16. Rfe1 Qe6 17. Nxe5 Qxa2 18. Ra1 Qe6 19. Nxc6 bxc5 20. Qxe6 fxe6 {1-0 (51) Cheparinov,I (2681)-Demchenko,A (2615) Jerusalem 2015}) 14. c5 bxc5 15. dxc5 Qa5 {[%csl LRa2,LRc5]} 16. b4 ({Reject} 16. Ng5 Nf6 17. Qe5 h6 $11) 16... Qa3 17. Rfd1 ({Much weaker is} 17. Ng5 Nf6 18. Qe3 Qxe3 19. fxe3 Ba6 $11) 17... Nf6 18. Qe1 {White is more active.} Ba8 $1 19. Nd4 (19. Rc4 $14 {is more appropriate.}) 19... Qxb4 $11 {The position is equal.} 20. Qxb4 ({Don't play} 20. Nxc6 Qxe1+ 21. Rxe1 Bxc6 22. Bxc6 Rfc8 $14) 20... Rxb4 21. Nxc6 Bxc6 22. Bxc6 Rc8 23. Bg2 Kf8 24. c6 Ke7 {Weighted Error Value: White=0.07 (flawless) /Black=0.05 (flawless)} *

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.06"]
[Round "2.5"]
[White "Peyrer, Konstantin"]
[Black "Yankelevich, Lev"]
[Result "0-1"]
[ECO "A09"]
[Annotator "NA RC"]
[PlyCount "112"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. g3 d5 2. Bg2 e5 3. c4 d4 4. d3 Nc6 5. Nf3 Bb4+ 6. Nbd2 a5 7. a3 Be7 8. O-O Nf6 9. Qc2 O-O 10. e3 a4 11. exd4 exd4 12. Re1 Nd7 13. Ne4 h6 14. g4 Nde5 15. Nxe5 Nxe5 16. h3 Ng6 17. Qe2 Nh4 18. Bd2 Nxg2 19. Kxg2 f5 20. Ng3 Bd6 21. Nxf5 Bxf5 22. gxf5 Rxf5 23. Qe6+ Rf7 24. Re4 Bf8 25. Rf4 Qd7 26. Re1 Qxe6 27. Rxe6 Rxf4 28. Bxf4 Kf7 29. Re5 c6 30. Kf3 Be7 31. Re4 c5 32. Re5 Ra6 33. Ke4 Rb6 34. Bc1 Bd6 35. Rd5 Be7 36. f4 Re6+ 37. Re5 Rg6 38. Rf5+ Ke8 39. Re5 Rg1 40. Bd2 Rg2 41. Be1 Rxb2 42. Kd5 Kd7 43. Rf5 Rb1 44. Bd2 b6 45. Re5 Rb3 46. f5 Rxd3 47. Bf4 Rxa3 48. Re6 Rf3 49. Ke4 Rb3 50. Rg6 Bf8 51. Kd5 d3 52. f6 gxf6 53. Rxf6 Be7 54. Rxh6 d2 55. Bxd2 Rd3+ 56. Ke5 Bd6+ 0-1

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.07"]
[Round "3.1"]
[White "Yankelevich, Lev"]
[Black "Borrmann, Laurenz"]
[Result "1-0"]
[ECO "D02"]
[Annotator "NA"]
[PlyCount "82"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:03]} d5 {[%emt 0:00:13]} 2. g3 {[%emt 0:00:33]} g6 {[%emt 0:00:10]} 3. d4 {[%emt 0:00:18]} Nf6 {[%emt 0:00:19]} 4. Bg2 {[%emt 0:00:05]} Bg7 {[%emt 0:00:06]} 5. O-O {[%emt 0:00:04]} O-O {[%emt 0:00:09]} 6. c3 {[%emt 0:00:01]} a5 {[%emt 0:00:12]} 7. Bf4 {[%emt 0:00:18]} c6 {[%emt 0:02:05]} 8. Nbd2 {[%emt 0:00:46]} Nbd7 {[%emt 0:08:59]} 9. c4 {[%emt 0:02:32]} a4 {[%emt 0:13:07]} 10. Qc2 {[%emt 0:05:02]} Nh5 {[%emt 0:08:12]} 11. Be3 {[%emt 0:04:31]} Nb6 {[%emt 0:01:48]} 12. Rfd1 {[%emt 0:07:01]} Bf5 {[%emt 0:01:24]} 13. Qc1 {[%emt 0:00:24]} Nf6 {[%emt 0:03:55]} 14. h3 {[%emt 0:03:51]} Ne4 {[%emt 0:04:35]} 15. c5 {[%emt 0:22:12]} Nxd2 {[%emt 0:00:54]} 16. Bxd2 {[%emt 0:02:10]} Nd7 {[%emt 0:01:16]} 17. Nh4 {[%emt 0:03:08]} Be6 {[%emt 0:01:17]} 18. Bh6 {[%emt 0:05:00]} b6 {[%emt 0:05:04]} 19. Bxg7 {[%emt 0:00:24]} Kxg7 {[%emt 0:00:14]} 20. Qc3 {[%emt 0:00:19]} Kg8 {[%emt 0:03:20]} 21. b4 {[%emt 0:06:57]} axb3 {[%emt 0:04:25]} 22. axb3 {[%emt 0:01:03]} bxc5 {[%emt 0:06:00]} 23. dxc5 {[%emt 0:00:07]} Qc7 {[%emt 0:01:55]} 24. Nf3 {[%emt 0:01:53]} f6 {[%emt 0:01:00]} 25. Qe3 {[%emt 0:03:31]} Ne5 {[%emt 0:07:44]} 26. Nd4 {[%emt 0:01:42]} Rxa1 {[%emt 0:00:26]} 27. Rxa1 {[%emt 0:00:04]} Bc8 {[%emt 0:00:35]} 28. Qd2 {[%emt 0:08:04]} Nf7 {[%emt 0:05:47]} 29. Qa5 {[%emt 0:02:10]} Qb7 {[%emt 0:00:14]} 30. Qa8 {[%emt 0:04:27]} Qb4 {[%emt 0:01:32]} 31. Nxc6 {[%emt 0:04:43]} Qxc5 {[%emt 0:00:21]} 32. Bxd5 {[%emt 0:00:50]} Bxh3 {[%emt 0:02:35]} 33. Qa7 {[%emt 0:00:12]} Qc3 {[%emt 0:02:27]} 34. Nxe7+ {[%emt 0:01:52]} Kg7 {[%emt 0:00:16]} 35. Nc6 {[%emt 0:00:18]} Be6 {[%emt 0:01:33]} 36. Bxe6 {[%emt 0:00:41]} Qxc6 {[%emt 0:00:01]} 37. Bc4 {[%emt 0:00:08]} h5 {[%emt 0:00:34]} 38. Rd1 {[%emt 0:00:30]} h4 {[%emt 0:01:04]} 39. Rd7 {[%emt 0:00:11]} h3 {[%emt 0:00:10]} 40. Rxf7+ {[%emt 0:00:03]} Rxf7 {[%emt 0:00:17]} 41. Qxf7+ {[%emt 0:30:03]} Kh6 {[%emt 0:30:09]} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.07"]
[Round "3.2"]
[White "Cu Hor, Winston Darwin"]
[Black "Peyrer, Konstantin"]
[Result "0-1"]
[ECO "A15"]
[Annotator "NA RC"]
[PlyCount "82"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:04]} 3. b3 {[%emt 0:00:04]} Bg7 {[%emt 0:00:10]} 4. Bb2 {[%emt 0:00:07]} O-O {[%emt 0:00:09]} 5. g3 {[%emt 0:00:48]} d6 {[%emt 0:00:09]} 6. Bg2 {[%emt 0:00:07]} e5 {[%emt 0:00:38]} 7. O-O {[%emt 0:01:07]} Nc6 {[%emt 0:00:22]} 8. Nc3 {[%emt 0:01:52]} h6 {[%emt 0:00:52]} 9. d4 {[%emt 0:16:36]} e4 {[%emt 0:01:56]} 10. Ne1 {[%emt 0:00:07]} Bf5 {[%emt 0:01:47]} 11. Nc2 {[%emt 0:01:10]} Qd7 {[%emt 0:00:21]} 12. Re1 {[%emt 0:12:03]} Rae8 {[%emt 0:01:26]} 13. Ne3 {[%emt 0:02:19]} Bh3 {[%emt 0:04:03]} 14. Bh1 {[%emt 0:09:29]} h5 {[%emt 0:02:14]} 15. d5 {[%emt 0:03:48]} Ne5 {[%emt 0:01:27]} 16. Qc2 {[%emt 0:06:34]} Neg4 {[%emt 0:03:43]} 17. Ncd1 {[%emt 0:14:07]} h4 {[%emt 0:03:18]} 18. Bg2 {[%emt 0:04:05]} Bxg2 {[%emt 0:02:44]} 19. Kxg2 {[%emt 0:00:11]} Kh7 {[%emt 0:00:12]} 20. h3 {[%emt 0:02:57]} Nxe3+ {[%emt 0:00:50]} 21. Nxe3 {[%emt 0:00:11]} hxg3 {[%emt 0:00:09]} 22. fxg3 {[%emt 0:00:11]} Nh5 {[%emt 0:01:20]} 23. Bxg7 {[%emt 0:06:41]} Nxg7 {[%emt 0:01:42]} 24. Rf1 {[%emt 0:00:34]} f5 {[%emt 0:00:18]} 25. Rf2 {[%emt 0:00:10]} Qe7 {[%emt 0:00:59]} 26. Qc3 {[%emt 0:01:39]} Nh5 {[%emt 0:01:47]} 27. Kh2 {[%emt 0:02:10]} f4 {[%emt 0:08:54]} 28. gxf4 {[%emt 0:01:36]} Qh4 {[%emt 0:00:41]} 29. Ng4 {[%emt 0:01:10]} e3 {[%emt 0:00:09]} 30. Rf3 {[%emt 0:00:44]} Rxf4 {[%emt 0:00:10]} 31. Rg1 {[%emt 0:06:42]} Rxf3 {[%emt 0:00:26]} 32. exf3 {[%emt 0:00:09]} e2 {[%emt 0:02:28]} 33. Qd2 {[%emt 0:05:20]} Nf6 {[%emt 0:02:21]} 34. Qe1 {[%emt 0:00:52]} Nxg4+ {[%emt 0:02:21]} 35. fxg4 {[%emt 0:00:03]} Qf6 {[%emt 0:00:18]} 36. Qg3 {[%emt 0:01:50]} Qf1 {[%emt 0:00:24]} 37. Qh4+ {[%emt 0:00:10]} Kg8 {[%emt 0:00:35]} 38. Qe1 {[%emt 0:00:23]} Qf4+ {[%emt 0:00:06]} 39. Kg2 {[%emt 0:00:42]} Re3 {[%emt 0:00:07]} 40. Rh1 {[%emt 0:00:52]} Qf3+ {[%emt 0:00:22]} 41. Kg1 {[%emt 0:30:38]} Rd3 {[%emt 0:30:08]} 0-1

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.07"]
[Round "3.3"]
[White "Leisch, Lukas"]
[Black "Finek, Vaclav"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2403"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,113,20,9,0,0,14,0,48,45,62,36,69,71,72,65,92,64,70,55,80,97,112,109,162,174,233,221,289,212,225,216,198,205,268,273,279,292,294,282,283,287,289,229,290,292,457,429,409,394,536,538,545,539,530,512,551,546,529,504,686,685,671,645,713,709,757,739,759,747,875,714,772,757,746,672,773,712,698,687,671,667,812,794,950,958,985,960,1058,1006,1109,994,1534,1524,1481,1487,1431,1370,1554,1543,1952,1874,1762,1644]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Ne5 Ne4 {Recently 7...Ng4 got a lot of attention. D78: Fianchetto Grünfeld: 6 0-0 c6.} 8. Nc3 Nxc3 9. bxc3 dxc4 (9... Bxe5 $11 10. dxe5 dxc4) 10. Nxc4 $14 Be6 11. Nb2 {[#] White is more active.} Nd7 $146 ({Predecessor:} 11... Qc8 12. Re1 Rd8 13. Qa4 Nd7 14. Qa3 Bf8 15. c4 Nb6 16. Qc3 Bh3 17. Bh1 Bg7 {1-0 (34) Gajendra,S (1850)-Poslusny,M (1917) Chess.com INT 2021}) 12. e4 Nb6 {[%cal Oc6c5] Inhibits d5.} 13. Qe2 Qd7 {[%cal Oc6c5]} 14. Rd1 Bh3 15. Bh1 Rad8 16. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qe6 17. Be3 f5 (17... h5 $16 {was called for.}) 18. a5 $18 Nd7 {[#]} (18... f4 $142) 19. e5 $1 h6 20. Nd3 {Strongly threatening Nf4.} g5 {Inhibits Nf4.} 21. Qa2 Qxa2 22. Rxa2 {[%cal Ba1a2,Ba2b2,Bb2b4][%mdl 32] f4 is the strong threat.} Bg4 23. Rdd2 Bh5 24. f4 Bf7 25. Rab2 (25. fxg5 Bxa2 26. Rxa2 Nxe5 27. Nxe5 Bxe5 $16) 25... Bc4 26. Rb4 (26. Rxb7 $6 Bxd3 27. e6 (27. Rxd3 Nc5 $11) (27. fxg5 hxg5 28. Bxg5 Nxe5 $16) (27. Bxc6 Nb8 $16) 27... Nc5 28. Rxe7 (28. dxc5 Bxc3 29. Rd1 Bb5 $16) 28... Bc4 $16) (26. fxg5 $6 hxg5 27. Bxg5 Bxd3 $16) 26... Ba6 27. c4 ({Resist} 27. fxg5 hxg5 28. Bxg5 Bxd3 $18) 27... gxf4 28. gxf4 ({Not} 28. Bxf4 e6 $16) ({Don't do} 28. Nxf4 $6 Nxe5 29. dxe5 Rxd2 30. Bxd2 Rd8 $16) 28... c5 (28... Kh8 $142 29. d5 Rg8) 29. dxc5 Nb8 30. c6 Nxc6 31. Bxc6 {White is clearly winning.} bxc6 32. Nc5 Rxd2 33. Bxd2 Bc8 34. Be3 Kf7 35. a6 h5 36. Kf2 Bh6 37. Kf3 h4 38. Rb8 h3 39. Bf2 Rd8 40. Ra8 Bf8 41. Rxa7 {aiming for Ra8.} Rd1 42. Rc7 Bxa6 43. Nxa6 Rh1 44. Bg3 Ra1 45. Nc5 Ra3+ {[#]} 46. Kf2 $1 Ra2+ 47. Ke3 Rc2 48. Kd4 Rg2 49. Nd3 Kg6 50. Nf2 Kh5 51. Nxh3 Kg4 52. Nf2+ Kf3 53. Rxc6 Rg1 54. Ra6 e6 55. c5 Be7 56. Rxe6 Bd8 57. Ra6 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.09 (flawless) /Black=0.31} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.07"]
[Round "3.4"]
[White "Kruckenhauser, Arthur"]
[Black "Morgunov, Marc"]
[Result "1/2-1/2"]
[ECO "C47"]
[Annotator "NA"]
[PlyCount "64"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:38:09]} e5 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:24]} Nc6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:45]} Nf6 {[%emt 0:00:32]} 4. a3 {[%emt 0:00:09]} d5 {[%emt 0:03:06]} 5. Bb5 {[%emt 0:00:09]} Nxe4 {[%emt 0:03:31]} 6. Qe2 {[%emt 0:00:32]} Qd6 {[%emt 0:00:55]} 7. Nxe4 {[%emt 0:00:36]} dxe4 {[%emt 0:00:07]} 8. Qxe4 {[%emt 0:00:04]} Bd7 {[%emt 0:00:26]} 9. d4 {[%emt 0:03:19]} f5 {[%emt 0:05:23]} 10. Qe2 {[%emt 0:00:14]} e4 {[%emt 0:00:25]} 11. Bxc6 {[%emt 0:04:40]} Bxc6 {[%emt 0:04:18]} 12. Ne5 {[%emt 0:03:45]} Be7 {[%emt 0:04:31]} 13. Bf4 {[%emt 0:13:04]} O-O-O {[%emt 0:09:07]} 14. h4 {[%emt 0:06:37]} Bf6 {[%emt 0:09:45]} 15. O-O-O {[%emt 0:01:58]} Qe6 {[%emt 0:02:53]} 16. Kb1 {[%emt 0:00:30]} Be8 {[%emt 0:07:22]} 17. Qe3 {[%emt 0:05:43]} Bh5 {[%emt 0:05:18]} 18. f3 {[%emt 0:03:25]} h6 {[%emt 0:05:04]} 19. Rdg1 {[%emt 0:05:09]} exf3 {[%emt 0:06:30]} 20. gxf3 {[%emt 0:01:17]} Qd5 {[%emt 0:01:48]} 21. Qd3 {[%emt 0:01:31]} g6 {[%emt 0:03:03]} 22. Nxg6 {[%emt 0:01:00]} Bxf3 {[%emt 0:01:29]} 23. Be5 {[%emt 0:03:08]} Bxh1 {[%emt 0:04:06]} 24. Bxf6 {[%emt 0:00:34]} Rhe8 {[%emt 0:01:35]} 25. Bxd8 {[%emt 0:01:18]} Be4 {[%emt 0:01:37]} 26. Qd2 {[%emt 0:02:55]} Qxd8 {[%emt 0:00:44]} 27. h5 {[%emt 0:00:27]} c5 {[%emt 0:05:10]} 28. Qxh6 {[%emt 0:01:02]} Qxd4 {[%emt 0:01:33]} 29. Qc1 {[%emt 0:00:05]} Bxc2+ {[%emt 0:01:40]} 30. Kxc2 {[%emt 0:00:54]} Qe4+ {[%emt 0:00:07]} 31. Kb3 {[%emt 0:00:39]} Qd5+ {[%emt 0:00:14]} 32. Kc2 {[%emt 0:00:14]} Qe4+ {[%emt 0:00:05]} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.07"]
[Round "3.5"]
[White "Baidetskyi, Valentin"]
[Black "Savanovic, Aleksandar"]
[Result "1/2-1/2"]
[ECO "C82"]
[Annotator "NA RC"]
[PlyCount "42"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:02]} e5 {[%emt 0:00:15]} 2. Nf3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:07]} 3. Bb5 {[%emt 0:00:06]} a6 {[%emt 0:00:17]} 4. Ba4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:08]} 5. O-O {[%emt 0:00:04]} Nxe4 {[%emt 0:01:28]} 6. d4 {[%emt 0:00:38]} b5 {[%emt 0:00:09]} 7. Bb3 {[%emt 0:00:01]} d5 {[%emt 0:00:13]} 8. dxe5 {[%emt 0:00:02]} Be6 {[%emt 0:00:10]} 9. c3 {[%emt 0:00:06]} Bc5 {[%emt 0:00:54]} 10. Nbd2 {[%emt 0:04:03]} O-O {[%emt 0:00:10]} 11. Bc2 {[%emt 0:01:13]} Bf5 {[%emt 0:00:09]} 12. Nb3 {[%emt 0:01:49]} Bg6 {[%emt 0:00:08]} 13. Nfd4 {[%emt 0:05:36]} Bxd4 {[%emt 0:00:10]} 14. cxd4 {[%emt 0:05:48]} a5 {[%emt 0:00:19]} 15. Be3 {[%emt 0:22:41]} a4 {[%emt 0:00:16]} 16. Nd2 {[%emt 0:05:58]} a3 {[%emt 0:00:38]} 17. Nxe4 {[%emt 0:00:16]} axb2 {[%emt 0:00:45]} 18. Rb1 {[%emt 0:00:03]} Bxe4 {[%emt 0:00:11]} 19. Rxb2 {[%emt 0:04:50]} Qd7 {[%emt 0:00:29]} 20. Bd3 {[%emt 0:07:51]} Bxd3 21. Qxd3 b4 {[%emt 0:00:06]} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.07"]
[Round "4.1"]
[White "Borrmann, Laurenz"]
[Black "Morgunov, Marc"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2232"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,77,-7,0,-9,-1,-4,0,-33,0,0,0,0,0,0,30,35,20,32,27,60,25,6,39,0,0,0,0,0,0,-16,-19,-12,0,0,0,0,0,0,0,0,0,-32,-17,-17,52,-25,-40,-27,0,0,0,0,8,0,0,0,11,7,7,6,6,6,421,426]} 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. e3 Bb4 6. Bd2 O-O 7. Bd3 d5 8. cxd5 {8.cxd5 scores better than 8.0-0.} exd5 9. Ne5 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} Bd6 10. O-O c5 {[#]} 11. Re1 $146 {The position is equal.} ({Predecessor:} 11. Rc1 Nc6 12. Ng4 Nd7 13. Nh6+ gxh6 14. Qg4+ Kh8 15. Qf5 Nf6 16. Nxd5 Nxd4 17. Qxf6+ Qxf6 18. Nxf6 {½-½ (40) Wei,Y (2725)-Karjakin,S (2754) Jerusalem 2019}) 11... Nc6 12. Nxc6 Bxc6 13. dxc5 bxc5 14. e4 c4 {[#]} 15. exd5 $1 Nxd5 {[%cal Bf6d5,Bd5b4,Bb4c6,Bc6b4,Bb4c2][%mdl 32]} 16. Be4 Nb4 (16... Bxh2+ $2 17. Kxh2 Nb4 18. Kg1 $18) 17. Bxc6 Nxc6 18. Ne4 (18. Re4 {keeps more tension.} Ne5 19. Be3 Nd3 20. Qh5 Qf6 21. Rd1) 18... Be5 19. Bc3 (19. Qc2 {is more complex.} Nd4 20. Qa4 Qd5 21. Bc3 Rfd8 22. Nd2) 19... Bxc3 20. Nxc3 Nb4 21. b3 Rc8 {aiming for ...Qxd1.} 22. Re4 Qf6 23. Qf3 Nc2 24. Qxf6 gxf6 25. Rb1 cxb3 26. Rxb3 f5 27. Ra4 Rfd8 {[%cal Oc8c3] Hoping for ...Rxc3!} 28. Kf1 Nd4 29. Rbb4 Nc2 (29... Rxc3 $11 30. Rxd4 Rc1+ 31. Ke2 Rc2+ 32. Ke3 Re8+ 33. Kd3 Ree2) 30. Rb3 ({White should try} 30. Rc4 $14) 30... Rd3 (30... Rd2 $5 {[%cal Rc2d4]} 31. g4 Nd4 $15) 31. Nb5 Re8 {[%cal Rd3d1]} 32. g4 Rd1+ 33. Kg2 Ne1+ 34. Kh3 Nd3 {Strongly threatening ...Nc5.} 35. gxf5 Kh8 36. Rd4 ({And not} 36. Nxa7 Nc5 37. Rg4 Nxb3 38. axb3 Re2 $19) 36... Nxf2+ 37. Kg2 Rxd4 $1 (37... Re2 $2 {[#]} 38. Nc3 $1 {[%mdl 512]} Rxd4 39. Nxe2 $18) 38. Nxd4 Kg7 $2 {[%mdl 8192]} 39. Kxf2 {Weighted Error Value: White=0.10 (very precise) /Black=0.35} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.07"]
[Round "4.2"]
[White "Savanovic, Aleksandar"]
[Black "Kruckenhauser, Arthur"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2391"]
[BlackElo "2278"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,139,45,44,50,47,29,39,16,12,30,30,30,18,21,32,40,14,15,0,0,0,0,0,0,0,0,0,0,-202,-204,-177,-38,-48,-53,-48,-47,-56,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,124,124,124,124,124,124,124,8,4789,584,29964,29964,29961,29963,29965,29965,29967,29968,29971,29972,29972,29967,29967,29968,29974,29972,29972,29973,29973,29974,29975,29976,29976,29977,29976,29978,29979,29980,29980,29980,29981,29980,29980,29981,29981,29982]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O {[%cal Ba1d1,Bd1d4,Bd4a4][%mdl 32]} d5 10. Nxc6 bxc6 11. Bh6 $1 {[%mdl 4] is recently more successful than 11.exd5.} Bxh6 12. Qxh6 Rb8 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0.} 13. e5 $1 Nd7 14. Rd4 Re8 $1 {White is slightly better.} (14... Qb6 $2 15. Rh4 Qe3+ 16. Qxe3 $18) 15. e6 ({Much worse is} 15. Rh4 Nf8 $15) 15... fxe6 {Strongly threatening ...Qb6.} 16. Bd3 {[%cal Od3g6]} Nf8 (16... Qb6 17. Bxg6 $1 {[%mdl 512]} Nf6 18. Bxh7+ $1 {[%mdl 512]} (18. Bxe8 Qxd4 19. Bh5 Bd7 $15) 18... Kh8 19. Rh4) 17. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} e5 18. Ra4 Qd6 19. h5 {Threatens to win with hxg6.} Bf5 20. Bxf5 gxf5 21. Qg5+ Kh8 {And now ...d4 would win.} 22. Qxf5 {[#]} a5 $146 ({Predecessor:} 22... Ra8 23. Ra6 Reb8 24. Rh4 Ne6 25. Rxc6 Ng7 26. Qg5 Qxc6 27. h6 Ne8 28. Qxe5+ Nf6 29. Qxe7 {0-1 (80) Fier,A (2569)-Perunovic,M (2425) Belgrade 2021}) 23. Rd1 {[%cal Oc3e4]} Nd7 $1 24. Ne4 Qh6+ 25. Ng5 $2 (25. Nd2 $11 {and White is okay.} e6 26. Qh3) 25... e6 $19 26. Qg4 Nf6 (26... Re7 $19 {White must now prevent ...Rg7.} 27. f4 Nb6) 27. Qh4 Rb7 (27... Nxh5 $2 28. Rh1 $18) 28. f4 Rg7 {aiming for ...exf4.} (28... Nxh5 $2 29. Rh1 $18) 29. g3 Qxh5 (29... exf4 $15 30. gxf4 e5) 30. fxe5 $11 Qxg5+ 31. Qxg5 Rxg5 32. exf6 $15 {[%mdl 4096] Endgame KRR-KRR} Ra8 33. Rf1 Kg8 34. b4 Rg4 35. Rxa5 Rxa5 36. f7+ Kf8 37. bxa5 $11 {Hoping for Rf4. KR-KR} Ra4 38. Rf6 Rxa2 39. Rxe6 Rxa5 40. Rxc6 Ra3 41. Rh6 Rxg3 42. Rxh7 Rg5 43. Kd2 Rf5 44. Kd3 Rxf7 45. Rh5 Rd7 46. Kd4 Rc7 47. Rh2 Re7 (47... Rf7 $11 {remains equal.}) 48. Kxd5 $16 Ke8 49. Kd6 {White threatens Rh8+ and mate.} Rd7+ 50. Kc6 {Threatening mate with Rh8+.} Rd4 51. Rh5 ({Only move:} 51. Kc5 $16 Ra4 52. c4) 51... Rc4+ {[%mdl 8192]} (51... Rf4 $11) 52. Rc5 $18 Re4 53. Kc7 {White mates.} Re7+ 54. Kc8 Re2 55. Rc7 Re5 56. c4 Re4 57. c5 Rc4 58. Kb7 Rb4+ 59. Kc6 Rb1 60. Rh7 Rc1 61. Kd6 Rd1+ {[#]} 62. Kc7 $1 Rc1 63. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} Rc2 64. Kb7 Rb2+ {[#]} 65. Kc8 $1 Rc2 66. c7 Rb2 67. Rh1 Re2 68. Rh8+ Ke7 69. Kb7 Rb2+ 70. Ka6 {Quite a comeback for White.  Weighted Error Value: White=0.13 (very precise) /Black=0.24 (precise)} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.07"]
[Round "4.3"]
[White "Finek, Vaclav"]
[Black "Baidetskyi, Valentin"]
[Result "1/2-1/2"]
[ECO "E66"]
[WhiteElo "2419"]
[BlackElo "2427"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,65,14,18,14,6,0,0,12,32,28,25,36,90,80,124,106,112,107,106,113,102,101,104,94,93,91,122,120,120,118,117,119,119,119,127,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 g6 3. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Nc6 8. d5 Na5 9. Nd2 e6 10. Qc2 {E66: King's Indian: Fianchetto: 6...c5 7 0-0 Nc6 8 d5.} Re8 11. b3 exd5 12. cxd5 Bd7 13. Bb2 b5 14. Rfe1 {[#]} b4 $146 (14... Rc8 $14) ({Predecessor:} 14... Rc8 15. Nce4 Bf5 16. Nxf6+ Qxf6 17. Bxf6 Bxc2 18. Bxg7 Kxg7 19. Rac1 Bf5 20. e4 Bd7 {1-0 (45) Maric,A (2405)-Chiburdanidze,M (2510) Jakarta 1993}) 15. Nce4 $16 Bf5 (15... Nb7 $142) 16. Nxf6+ Qxf6 17. Bxf6 Bxc2 18. Bxg7 Kxg7 19. Rac1 Bf5 20. e4 {[%cal Be2e4,Be4e5,Be5d6][%mdl 32]} Bd7 21. e5 Rac8 22. f4 {And now Ne4 would win.} Bb5 {[#]} 23. Ne4 $1 ({Don't take} 23. exd6 Rxe1+ 24. Rxe1 Nb7 $14) 23... Nb7 24. Nxd6 {White is more active.} (24. Bh3 {is more complex.} Rcd8 25. Kf2 dxe5 26. Nxc5 Na5 27. Bg2) 24... Nxd6 25. exd6 Kf8 {To avoid Re7} 26. Bf1 ({Better is} 26. Kf2 $16) 26... Rxe1 $11 {The position is equal.} 27. Rxe1 Bxf1 28. Kxf1 {KR-KR} Rd8 29. Rc1 Rxd6 30. Rxc5 {[#] Ra5 is the strong threat.} Ra6 {To avoid Ra5} 31. Rc2 Ke7 32. Ke2 Kd6 33. Rd2 {Weighted Error Value: White=0.08 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.07"]
[Round "4.4"]
[White "Peyrer, Konstantin"]
[Black "Leisch, Lukas"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2301"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,25,17,7,4,7,3,12,11,10,3,44,20,20,2]} 1. d4 Nf6 2. Nf3 d5 3. g3 c5 4. Bg2 cxd4 5. O-O e6 {[%cal Be7e6,Be6e5][%mdl 32]} 6. Nxd4 e5 7. Nb3 Be6 8. c4 {Hoping for Nc3. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nc6 (8... dxc4 $2 9. Qxd8+ Kxd8 {[#]} 10. Bxb7 $1 $18 (10. Na5 Nc6 $16)) 9. cxd5 Bxd5 10. Nc3 {[%cal Rc3d5]} Bxg2 11. Kxg2 Be7 {[#]} (11... h6 $11 {should be considered.}) 12. Be3 $146 ({Predecessor:} 12. Qxd8+ Rxd8 13. Bg5 Nd5 14. Nxd5 Rxd5 15. e4 Rb5 16. Be3 a5 17. Rfc1 O-O 18. Rc4 {½-½ (35) Toma,R (2343)-Jarmula,L (2466) Khanty-Mansiysk 2016}) 12... O-O 13. Rc1 {A rather calm draw.  Weighted Error Value: White=0.08 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.07"]
[Round "4.5"]
[White "Yankelevich, Lev"]
[Black "Cu Hor, Winston Darwin"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2444"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,81,44,55,48,54,57,75,7,30,22,20,28,36,39,42,13,38,47,61,61,62,62,79,79,84,79,139,115,185,183,183,183,184,183,183,183,183,183,183,183,183,183,927,990,921,875,2200,2271,5838,5655,5302,5057,2418,2300,1310,642,29974,29975,29975,29976,29976,29977,29980,29981,29980,29981,29981,29982]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 O-O 7. Bg2 c6 8. O-O Nbd7 {8...b6 is the hot move.} 9. Qc2 {E11: Bogo-Indian.} b6 10. e4 Bb7 {[#]} 11. h4 $146 (11. e5 $16 Ne8 12. b4) ({Predecessor:} 11. e5 Ne8 12. c5 bxc5 13. dxc5 a5 14. Rfe1 Nc7 15. Bf1 Ba6 16. Nd4 Nb8 17. f4 Bxf1 18. Rxf1 {½-½ (23) Meier,G (2619)-Margvelashvili,G (2555) Lubbock 2013}) 11... Nxe4 12. Nxe4 dxe4 13. Qxe4 Qc7 14. Ne5 {[%cal Re5c6]} Nxe5 15. dxe5 Rad8 16. Rfd1 Ba8 17. Qe3 {White is more active.} Rxd1+ 18. Rxd1 Rd8 {Black is now going downhill.} 19. Rxd8+ Qxd8 20. b4 {Prevents c5.} a6 (20... c5 $142) 21. Be4 $40 {[%mdl 128] Black is in trouble.} b5 (21... h6 $16 {was necessary.}) 22. Qa7 $18 bxc4 23. Qxa6 c3 {[%cal Oc6c5]} 24. Qd3 Qxd3 25. Bxd3 {[%mdl 4096] [#] Endgame Hoping for f4. KB-KB} c5 26. bxc5 {Black must now prevent f4.} Bd5 27. f4 Kf8 28. Kf2 (28. Bxh7 g6 29. Kf2 c2 30. Bxg6 fxg6 31. c6 c1=Q 32. c7 Qxc7 33. f5 gxf5 34. Ke2 Qc3 35. h5 Bc4+ 36. Kf2 Qd2+ 37. Kg1 Qe2 38. a4 Bd5 39. h6 Qg2#) 28... f5 $2 {[#]} (28... Bxa2 29. Bc2 (29. Bxh7 g6 $11) 29... Ke7) 29. exf6 gxf6 30. Ke3 e5 31. fxe5 fxe5 32. Bxh7 e4 33. Bf5 Kg7 34. h5 Kh6 35. Bd7 (35. Bg4 $142 Kg5 36. Bd1 Bxa2 37. c6) 35... Bxa2 36. c6 {White mates.} c2 37. Kd2 Bb3 38. Bg4 ({And not} 38. c7 e3+ 39. Kd3 (39. Kc1 $2 e2 $19) 39... c1=Q $11) 38... e3+ 39. Kc1 Be6 40. Be2 ({But not} 40. Bxe6 $2 e2 41. Kxc2 e1=Q $19) 40... Bf5 41. g4 {Weighted Error Value: White=0.25 (precise) /Black=0.32} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.08"]
[Round "5.1"]
[White "Cu Hor, Winston Darwin"]
[Black "Borrmann, Laurenz"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "2337"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,-16,1,-18,0,0,0,-27,100,25,24,16,27,31,35,36,66,44,89,86,143,71,80,25,36,-49,80,75,75,74,85,10,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. Bg2 e5 5. d3 Bc5 6. O-O {[%cal Ob2b4] A09: Réti Opening: 1 Nf3 d5 2 c4.} Nge7 7. Nbd2 a5 8. a3 {[%cal Ba2a3,Ba3a4][%mdl 32] [#]} a4 $146 (8... Ng6 $11) ({Predecessor:} 8... O-O 9. Ne4 Ba7 10. Rb1 f6 11. Re1 Be6 {½-½ (11) Ali Khamis,A-Samadi,A Dubai 2003}) 9. b4 (9. Ne4 $16 Bb6 10. c5) 9... axb3 $1 $11 10. Nxb3 Ba7 11. a4 O-O 12. a5 {[%cal Oa5a6]} Bf5 13. Ba3 {[%cal Oa5a6]} Qd7 (13... Bd7 $14) 14. a6 $16 bxa6 (14... b6 $142) 15. Na5 Nxa5 16. Bxe7 ({White should play} 16. Nxe5 $16 Qe6 17. Bxe7 Qxe5 18. Bb4) 16... Qxe7 $11 17. Nh4 ({White should try} 17. Rxa5 $14 Rae8 18. Rxe5) 17... Rab8 18. Nxf5 $16 Qc5 19. Qd2 {[%mdl 1024] White has strong compensation.} Bb6 {[#]} 20. Qg5 {White is much more active.} (20. Nxg7 $1 $16 {Strongly threatening Nf5.} Kxg7 21. Qg5+ Kh8 22. Qf6+ Kg8 23. Qg5+ Kh8 24. Qf6+ Kg8 25. Qg5+ Kh8) 20... g6 $11 {The position is equal.} 21. Bd5 c6 $1 {And now ...Bd8 would win.} 22. Ne7+ {[%mdl 64] Discovered Attack} Kg7 23. Nf5+ ({But not} 23. Qxe5+ $2 f6 24. Qe6 Rbe8 $19) 23... Kg8 {Hoping for ...Bd8.} 24. Rxa5 Bxa5 25. Nh6+ {[%mdl 64] [#] Discovered Attack} Kg7 26. Nf5+ $1 Kg8 {White must now prevent ...Bd8.} 27. Ne7+ {[%mdl 64] Discovered Attack} Kg7 {aiming for ...f6.} 28. Nf5+ {Weighted Error Value: White=0.25 (precise) /Black=0.28 (precise)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.08"]
[Round "5.2"]
[White "Leisch, Lukas"]
[Black "Yankelevich, Lev"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2403"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,39,35,33,47,35,28,0,13,11,7,5,39,0,60,20,97,87,106,72,72,72,72,70,70,66,76,0,0,0]} 1. c4 g6 2. d4 Nf6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. e4 Be6 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} 8. Qe2 Bg4 9. h3 (9. Be3 {seems wilder.} e5 10. Rd1 exd4 11. Bxd4 Qe7 12. h3) 9... Bxf3 10. Bxf3 Nfd7 11. Be3 {[#]} Qb6 $146 ({Predecessor:} 11... c5 12. d5 Ne5 13. Bg2 Qb6 14. Rd1 Qb4 15. Bf1 b5 16. cxb5 c4 17. Qc2 Nf3+ {1-0 (64) Keymer,V (2630)-Xiong,J (2700) Riga 2021}) 12. O-O-O Qb4 (12... Qa5 $1 $11) 13. Qd3 (13. a3 $5 {[%cal Ra3b4]} Qb3 14. Qc2 Qxc4 15. Be2 $16) 13... e5 (13... Qa5 $11 {remains equal.}) 14. a3 Qb3 15. d5 Nc5 16. Bxc5 dxc5 17. h4 cxd5 18. cxd5 Nd7 19. Qb5 (19. Be2 $16) 19... Qxb5 $11 20. Nxb5 {Weighted Error Value: White=0.20 (precise) /Black=0.23 (precise)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.08"]
[Round "5.3"]
[White "Baidetskyi, Valentin"]
[Black "Peyrer, Konstantin"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2427"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,91,37,22,0,44,32,38,23,30,27,32,0,14,0,37,38,67,60,77,27,23,27,51,47,60,64,100,105,103,93,95,98,108,66,90,19,25,24,56,0,154,149,135,142,374,365,415,390,465,456,431,440,340,124,111,0,71,64,64,63,62,62,62,65,130,120,1510,1429,5275,2839,3208,3145,4133,4134]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. Nc3 Nc6 7. d4 cxd4 8. Nxd4 d6 9. Nc2 Be6 10. b3 Rc8 11. e4 {A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6.} a6 {[#]} (11... Nd7 $11 12. Bb2 Qa5) 12. a4 $146 ({Predecessor:} 12. Bd2 Qd7 13. Nd5 Bxd5 14. exd5 Ne5 15. a4 b5 16. cxb5 axb5 17. a5 Nd3 18. Nb4 Nxb4 19. Bxb4 {1-0 (41) Enchev,I (2456)-Jansen,G (2152) Heraklion 2016}) 12... Nd7 13. Bd2 {White is slightly better.} Nc5 14. Rb1 f5 15. Re1 f4 16. Nd5 fxg3 (16... f3 $5 17. Bxf3 Ne5 $11) 17. hxg3 Qe8 18. f4 Bf7 19. Bc3 (19. Be3 $16) 19... Bxc3 $11 20. Nxc3 Qd8 21. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Nd7 22. Ne3 a5 23. b5 Nb4 24. Bh3 {[%cal Oe4e5]} e6 (24... Bxc4 $2 25. Nxc4 Rxc4 26. Be6+ Kh8 27. Bxc4 $18) 25. Qxd6 Nb6 26. Qxd8 {White is more active.} ({White should try} 26. e5 $1 $16) 26... Rfxd8 $14 27. Bf1 (27. Red1 $16) 27... Nd3 $11 28. Red1 $36 {[%cal Be1d1,Bd1d2,Bd2c2][%mdl 2080] White has some pressure.} Nxc4 29. Ng4 (29. Nxc4 $14 Rxc4 30. Rbc1 $1) 29... Ncb2 $2 {[#]} (29... Nb6 $1 $11) 30. Rd2 $1 $16 Rxc3 31. Rbxb2 {[%mdl 64] Hoping for Ne5. Pin} Rd4 $2 {[#]} (31... Kf8 $16) 32. Rbc2 $1 $18 Rxc2 33. Rxc2 h5 34. Nh6+ Kg7 35. Nxf7 Kxf7 {[%mdl 4096] Endgame KRB-KRN} 36. e5 $2 ({Not} 36. Rc7+ Kf8 $16) (36. b6 $18) 36... g5 $16 37. Be2 ({But not} 37. fxg5 $6 Kg6 $11) (37. b6 $16) 37... Nb4 (37... Kg6 $1 $11) 38. Bxh5+ Kg7 39. Rc7+ Kh6 40. Bf3 ({Don't blunder} 40. Rxb7 $2 Kxh5 41. Rb6 Kg4 42. fxg5 Kxg3 $19) 40... gxf4 41. gxf4 {[%cal Bg3f4,Bf4f5,Bf5e6,Be6e7][%mdl 32]} b6 {[#]} ({Better is} 41... Nd3 $1 $14) 42. f5 $1 Rd8 $2 {[%mdl 8192]} (42... Rf4 $16) 43. fxe6 $18 {e7 is the strong threat. White is clearly winning.} Re8 44. e7 Kg6 45. Rb7 {Black must now prevent Bc6.} Rg8 46. Kf1 {Weighted Error Value: White=0.23 (precise) /Black=0.35} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.08"]
[Round "5.4"]
[White "Kruckenhauser, Arthur"]
[Black "Finek, Vaclav"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2278"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,11,18,26,34,31,55,15,41,9,31,36,29,42,45,35,39,-10,-6,-39,-60,-56,-16,-95,-17,2,0,-28,0,0,0,0,0,0,-5,-72,-60,-217,-223,-190,-37,-61,0,-67,0,-87,-78,-75,0,0,0,0,0,0,38,5,7,4,6,0,10,19,66,54,122,66,104,101,105,104,82,65,72,56,127,129,147,69,75]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {7.g4 gains popularity. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} Ne5 8. Qg3 h5 9. f4 (9. Bf4 $5 {[%cal Rf4e5]} d6 10. Nf3 $14) 9... h4 10. Qh3 Nc4 (10... Ng6 $5 {[%cal Rg6f4]}) 11. Bxc4 Qxc4 12. O-O-O b5 $1 {[%cal Bb7b5,Bb5b4][%mdl 32]} 13. Kb1 Bb7 14. Nb3 (14. Rhe1 $14 {deserves consideration.}) 14... b4 $11 15. Rd4 {[#]} Qc7 $146 ({Predecessor:} 15... Qc6 16. Ne2 a5 17. Rhd1 a4 18. Nbc1 Nf6 19. e5 Nd5 20. Rxd5 exd5 21. Nd4 Qa6 {½-½ (54) Zheng,M (2050)-Nguyen,D (2406) Chess.com INT 2020}) 16. Nd1 Rc8 {[%cal Ob7e4]} 17. Nf2 (17. c4 $11) 17... Nf6 (17... Qxc2+ $17 18. Ka1 Qe2) 18. Rc1 a5 $1 {[%cal Ba6a5,Ba5a4][%mdl 32]} 19. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} a4 $36 {[%mdl 2048] Black has some pressure.} (19... hxg3 $5 {[%cal Rh8h3]} 20. Qxh8 gxf2 21. Bxf2 Bxe4 $11) 20. Nd2 d5 {White should prevent ...Bc5.} 21. g5 Nxe4 22. Nfxe4 dxe4 23. Nxe4 (23. f5 $11 {keeps the balance.} e5 24. Rc4) 23... a3 $1 $17 24. Bd2 $2 (24. g6 $15 f5 25. Ng5 axb2 26. Kxb2) 24... axb2 $19 25. Kxb2 {[%cal Og5g6]} Qb6 $2 (25... e5 26. fxe5 Bxe4 27. Rxe4 $18) ({Black should play} 25... Bd5 $1 $19 {And now ...Ra8 would win.} 26. Qd3 Bc4 27. Nd6+ Bxd6 28. Rxc4 Qxc4 29. Qxd6 Rc6 30. Qxb4 Kd7) 26. Qd3 $1 $15 {[%cal Og5g6]} Bxe4 ({But not} 26... Rc3 27. Bxc3 bxc3+ 28. Kxc3 $14) ({Black should try} 26... Bd5 $15 27. Re1 (27. Rxd5 exd5 28. Qxd5 Be7 $17) 27... Be7) 27. Qxe4 (27. Rxe4 $11 g6 28. Be3) 27... g6 (27... Bc5 $15 28. Rd3 g6) 28. Kb1 {Active counter play!} (28. Qe5 $11 Rh7 29. Kb1) 28... Bg7 $1 $17 29. Rxb4 Qd8 ({Better is} 29... Qf2 $17 30. Be3 Qxh2) 30. Qd3 $11 O-O $1 31. Qxd8 Rfxd8 32. Be1 h3 33. Rb3 Rd4 34. Rxh3 Rxf4 35. Rd3 Rf5 36. h4 Rc4 (36... Rf4 $11) 37. Rb3 Rd5 (37... Kf8 $14) 38. a3 (38. Rb8+ $16 Kh7 39. Rb4) 38... Be5 {[#]} 39. Rb4 $1 Rc8 40. a4 Bd6 41. Re4 Ba3 {White must now prevent ...Rb8+.} 42. c4 Bxc1 (42... Rf5 $14) 43. cxd5 $16 exd5 {[#]} 44. Re2 (44. Re7 $1 $16) 44... Bf4 {Weighted Error Value: White=0.32/Black=0.22 (precise)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.08"]
[Round "5.5"]
[White "Morgunov, Marc"]
[Black "Savanovic, Aleksandar"]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "2377"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,42,35,33,34,1,0,0,0,-7,21,17,34,18,18,0,0,0,0,0,0]} 1. e4 {ChessBase II} e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3a5][%mdl 32]} Nc5 10. c3 Nxb3 11. Nxb3 Be7 12. Nfd4 Nxd4 13. cxd4 a5 {[#] C80: Open Ruy Lopez: Sidelines and 9 Nbd2.} 14. a4 $146 ({Predecessor:} 14. Be3 a4 15. Nc1 O-O 16. Nd3 Bf5 17. Rc1 Ra6 18. Qd2 Qd7 19. f3 h6 20. Nc5 Bxc5 21. Rxc5 {½-½ (83) Mekhitarian,K (2559)-Milos,G (2589) Caxias do Sul 2016 EXT 2018 [ChessBase II]}) 14... Qd7 15. Bd2 O-O 16. Nxa5 b4 17. Nb3 Rxa4 18. Rxa4 Qxa4 {The position is equal.} 19. Nc5 Qxd1 20. Rxd1 Bxc5 21. dxc5 b3 {Not much happened in this game.  Weighted Error Value: White=0.10 (very precise) /Black=0.04 (flawless)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.10"]
[Round "6.1"]
[White "Borrmann, Laurenz"]
[Black "Savanovic, Aleksandar"]
[Result "0-1"]
[ECO "C87"]
[WhiteElo "2232"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,78,33,47,43,47,37,37,27,32,27,33,27,41,42,41,34,40,27,41,46,49,0,-2,0,0,-15,-11,-17,-15,-22,-22,-22,-22,-22,-14,-20,-21,-21,-21,-31,-27,-42,-44,-50,-42,-62,-37,-36,-10,-10,-10,-12,-12,-11,-10,-10,-11,-11,-18,-25,-11,-18,-27,-29977,-29978]} 1. e4 {Atalik,S} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 Bg4 8. d3 Nd7 9. Nbd2 {9.Nbd2 was played by the boomers. C87: Closed Ruy Lopez: Steinitz-type lines after 6 Re1 d6.} Nc5 10. Bc2 Ne6 11. Nf1 {White is slightly better. was the old line (11.h3).} Ng5 12. Bxg5 Bxg5 13. h3 Bxf3 14. Qxf3 O-O 15. Rad1 g6 {[#]} 16. a3 $146 ({Predecessor:} 16. Ne3 Kg7 17. a3 Qf6 18. Qe2 Bxe3 19. Qxe3 Nd8 20. g3 Qe6 21. Kg2 f6 22. d4 {0-1 (67) Kotronias,V (2578)-Atalik,S (2551) Chalkidiki 2002 CBM 089 [Atalik,S]}) 16... h5 17. d4 Kg7 18. dxe5 (18. Qe2 $14) 18... Nxe5 $11 19. Qe2 Qf6 20. Ne3 c6 {Inhibits Nd5.} 21. Nc4 Rad8 22. Rf1 h4 23. Nxe5 dxe5 24. a4 a5 25. Rxd8 Rxd8 26. Rd1 {To avoid Rd2} Rxd1+ 27. Qxd1 Qf4 28. b3 Be7 29. Bd3 Bc5 30. Qc2 Kh6 {Black is more active.} 31. Qb2 Kg5 32. b4 axb4 33. cxb4 Bd4 34. Qc2 f5 35. b5 cxb5 36. axb5 fxe4 37. Bxe4 {[#]} Bxf2+ $1 38. Qxf2 Qxe4 39. Qf7 $2 {[%mdl 8192]} (39. Qd2+ $11 Kf5 40. Qf2+ Kg5 41. Qd2+ Kf6 42. Qd6+ Kf5 43. Kh2) 39... Qe3+ {Weighted Error Value: White=0.34/Black=0.04 (flawless)} 0-1

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.10"]
[Round "6.2"]
[White "Finek, Vaclav"]
[Black "Morgunov, Marc"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2419"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,108,48,37,16,14,18,20,18,24,10,14,4,0,0,25,0,0,0,12,1,8,-13,43,-39,24,-6,95,110,98,93,93,93,93,93,93,80,77,86,67,64,115,80,85,62,62,104,84,0,0,0,0,0,0,0,0,0,47,38,72,0,0,0,38,42,132,124,148,156,493,199,198,8,8,8,5879,5515,5225,5218,4902,1711,1270,0,0,0,2612,-59,-56,-56,-58,-68,-77,-75,-28,-37,-29]} 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. O-O e5 8. d5 Nb8 {is the new trend.} 9. c5 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} Na6 10. cxd6 cxd6 11. Nd2 {The position is equal.} Bd7 12. a4 Rc8 13. Nb3 Ne8 14. Be3 Ra8 15. Nb5 b6 {[#]} 16. Nd2 $146 ({Predecessor:} 16. Nc3 f5 17. a5 b5 18. Qd3 Qb8 19. Rfc1 Nf6 20. h3 Rc8 21. Qd2 b4 22. Na2 {0-1 (40) Kuzubov,Y (2643)-Onischuk,V (2633) Chess.com INT 2020}) 16... f5 17. Nc4 Qe7 18. Bd2 h5 ({Better is} 18... Nc5 $11) 19. b4 (19. e4 $1 $14) 19... h4 (19... e4 $1 $15) 20. Ra3 g5 (20... Rc8 21. Qc1 Ra8 22. Bg5 $14) (20... Bxb5 $11 {keeps the balance.} 21. axb5 Nac7) 21. gxh4 $16 gxh4 22. Kh1 Nac7 23. Nxc7 {White is much more active.} Nxc7 24. Rg1 Ne8 25. Bh3 Rc8 {[#]} 26. Bg5 $1 Qf7 27. Ne3 Qh5 (27... Rc7 $14) 28. f3 (28. Be7 $6 Rf7 29. Bg5 (29. Rg5 $2 Qh6 $19) 29... Kh8 $11) 28... Kh8 29. Qe1 Bf6 30. Bxf6+ Nxf6 31. Ra1 ({White should try} 31. Rc3 $16) 31... Rg8 $11 32. Rd1 Rxg1+ 33. Qxg1 Rg8 34. Qf1 Qg5 35. Nc4 Bxa4 (35... Ne8 $11) 36. Nxd6 $14 Qf4 37. Re1 (37. Ra1 $16 e4 38. Nf7+ (38. Rxa4 Qxd6 39. Rxa7 exf3 $14) (38. Nxf5 Bb3 $14) 38... Kg7 39. Rxa4 Kxf7 40. Rxa7+ Kg6 41. Ra1) 37... e4 38. Nxf5 Bd7 39. Ne7 Rg7 (39... Rg5 $14) 40. Bxd7 $16 {[%cal Od5d6] And now d6! would win.} Nxd7 41. d6 (41. Nc6 $6 Nf6 $14) 41... Ne5 $2 (41... Rg5 $16) 42. Qh3 (42. Rd1 $142) 42... exf3 $18 43. exf3 (43. Qc8+ $1 $18 Kh7 44. Qc2+ Ng6 45. Qd3 Qxb4 46. Rf1 Rxe7 47. dxe7 Qxe7 48. Rxf3) 43... Nd3 $11 {[%cal Rd3f2]} 44. Rf1 {Prevents Nf2+. aiming for d7.} Qd4 $2 {[%mdl 8192]} (44... Qxd6 $2 45. Nf5 Qe6 46. Qxh4+ Kg8 47. Nh6+ Kh7 48. Ng4+ Kg6 49. Rd1 $18) (44... Qg5 $11 45. Qc8+ Kh7 46. Qf5+ (46. Qc2 Qe3 $11) 46... Qxf5 47. Nxf5 Rd7) 45. Qc8+ $18 Kh7 46. Qf5+ Kh6 {[#]} 47. Qe6+ $1 Kh5 48. Qf5+ (48. Qe2 $142 h3 49. f4+ (49. Nf5 $2 Rg1+ 50. Rxg1 Nf2+ 51. Qxf2 Qxf2 $19) 49... Rg4 50. Qf3 Nxf4 51. Nf5) 48... Kh6 {[%cal Od4g1]} 49. Qe6+ $1 Kh5 $1 {[%cal Od4g1] [#] ( -> ...Qg1+!)} 50. Qd5+ $2 (50. Qe2 $1 $18 h3 51. f4+ (51. Nf5 $2 Rg1+ 52. Rxg1 Nf2+ 53. Qxf2 Qxf2 $19) 51... Rg4 52. Qf3 Nxf4 53. Nf5) 50... Qxd5 $15 51. Nxd5 Rg6 $1 52. Nc3 {Hoping for Ne4.} Rxd6 53. b5 h3 (53... Rf6 $17 54. Ne4 Rf5) 54. f4 Rd4 {Weighted Error Value: White=0.58/Black=0.28 (precise)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.10"]
[Round "6.3"]
[White "Peyrer, Konstantin"]
[Black "Kruckenhauser, Arthur"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2301"]
[BlackElo "2278"]
[Annotator "ChessBase"]
[PlyCount "99"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:02]} d5 {[%emt 0:03:00]} 2. Nf3 {[%emt 0:00:21]} e6 {[%emt 0:00:45]} 3. g3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:14]} 4. Bg2 {[%emt 0:00:07]} Be7 {[%emt 0:00:03]} 5. c4 {[%emt 0:00:11]} c6 {[%emt 0:00:04]} 6. Qc2 {[%emt 0:00:21]} O-O {[%emt 0:00:13]} 7. O-O {[%emt 0:00:06]} b6 {[%emt 0:00:44]} 8. Bf4 {[%emt 0:01:09]} Nh5 {[%emt 0:04:39]} 9. Bd2 {[%emt 0:00:10]} Nf6 {[%emt 0:02:23]} 10. Ne5 {[%emt 0:02:06]} Nfd7 {[%emt 0:12:47]} 11. Nxd7 {[%emt 0:07:56]} Nxd7 {[%emt 0:00:54]} 12. Nc3 {[%emt 0:00:12]} Ba6 {[%emt 0:06:16]} 13. Qa4 {[%emt 0:00:48]} Bxc4 {[%emt 0:12:19]} 14. b3 {[%emt 0:00:12]} Bb5 {[%emt 0:02:16]} 15. Nxb5 {[%emt 0:00:12]} cxb5 {[%emt 0:00:02]} 16. Qxb5 {[%emt 0:00:10]} Ba3 {[%emt 0:05:24]} 17. Qd3 {[%emt 0:03:31]} Qe7 {[%emt 0:01:07]} 18. e4 {[%emt 0:00:30]} Nf6 {[%emt 0:01:38]} 19. e5 {[%emt 0:00:42]} Nd7 {[%emt 0:08:02]} 20. f4 {[%emt 0:03:19]} Rfc8 {[%emt 0:01:19]} 21. f5 {[%emt 0:02:19]} g6 {[%emt 0:02:35]} 22. fxe6 {[%emt 0:03:45]} fxe6 {[%emt 0:00:28]} 23. Bh6 {[%emt 0:00:19]} Rc6 {[%emt 0:02:34]} 24. Qf3 {[%emt 0:08:35]} Qe8 {[%emt 0:04:02]} 25. Qg4 {[%emt 0:03:35]} Bf8 {[%emt 0:02:13]} 26. Bg5 {[%emt 0:05:22]} Rac8 {[%emt 0:01:49]} 27. Rf2 {[%emt 0:04:00]} Bg7 {[%emt 0:05:55]} 28. Raf1 {[%emt 0:01:55]} Nf8 {[%emt 0:03:17]} 29. h4 {[%emt 0:02:22]} Rc2 {[%emt 0:02:05]} 30. Bh3 {[%emt 0:01:17]} Rxf2 {[%emt 0:01:30]} 31. Rxf2 {[%emt 0:00:07]} Rc7 {[%emt 0:03:56]} 32. Qf4 {[%emt 0:07:18]} Rf7 {[%emt 0:01:25]} 33. Qc1 {[%emt 0:00:07]} Rxf2 {[%emt 0:01:04]} 34. Kxf2 {[%emt 0:00:07]} Qf7+ {[%emt 0:00:55]} 35. Ke2 {[%emt 0:00:21]} Qb7 {[%emt 0:01:03]} 36. a4 {[%emt 0:02:39]} Qa6+ {[%emt 0:01:08]} 37. Ke3 {[%emt 0:02:11]} Qb7 {[%emt 0:01:26]} 38. Qc3 {[%emt 0:05:58]} Qd7 {[%emt 0:02:11]} 39. Ke2 {[%emt 0:04:54]} Kf7 {[%emt 0:02:16]} 40. Ke1 {[%emt 0:01:02]} Kg8 {[%emt 0:00:31]} 41. Bc1 {[%emt 0:31:23]} Qe7 {[%emt 0:14:46]} 42. b4 {[%emt 0:00:00]} Qf7 {[%emt 0:07:33]} 43. b5 {[%emt 0:00:00]} Kh8 {[%emt 0:00:35]} 44. Ba3 {[%emt 0:00:00]} g5 {[%emt 0:00:38]} 45. hxg5 {[%emt 0:00:00]} Qh5 {[%emt 0:00:40]} 46. Bxf8 {[%emt 0:00:00]} Qxh3 {[%emt 0:02:07]} 47. Bxg7+ {[%emt 0:00:00]} Kxg7 {[%emt 0:00:06]} 48. Qf3 {[%emt 0:00:00]} Kg6 {[%emt 0:01:38]} 49. Qf6+ {[%emt 0:00:00]} Kh5 {[%emt 0:00:15]} 50. Qh6+ {[%emt 0:00:00]} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.10"]
[Round "6.4"]
[White "Yankelevich, Lev"]
[Black "Baidetskyi, Valentin"]
[Result "1/2-1/2"]
[WhiteElo "2444"]
[BlackElo "2427"]
[Annotator "NA RC"]
[PlyCount "11"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:02]} c6 {[%emt 0:00:41]} 2. Nf3 {[%emt 0:00:03]} d5 {[%emt 0:00:03]} 3. Nc3 {[%emt 0:00:03]} Bg4 {[%emt 0:01:29]} 4. h3 {[%emt 0:00:06]} Bxf3 {[%emt 0:00:03]} 5. Qxf3 {[%emt 0:00:04]} e6 {[%emt 0:00:10]} 6. Be2 {[%emt 0:00:58]} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.10"]
[Round "6.5"]
[White "Cu Hor, Winston Darwin"]
[Black "Leisch, Lukas"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2337"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,78,0,-8,0,-1,0,-58,-59,-85,-64,-80,-49,-50,-51,-67,-59,-53,-53,-143,-142,-154,-133,-173,-164,-195,-201,-188,-175,-215,-204,-337,-339,-322,-319,-309,-228,-210,-187,-308,-245,-364,-198,-641,-635,-658,-663,-638,-651,-649,-566,-584,-577,-679,-688,-797,-797,-781,-732,-730,-730,-1021,-1034,-984,-983,-1026,-1013,-6023,-5870]} 1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. Bg2 e5 5. d3 Nf6 6. O-O a5 7. Na3 Bc5 {A09: Réti Opening: 1 Nf3 d5 2 c4.} 8. Nb5 O-O 9. Bg5 ({Better is} 9. e3 $11) 9... Be7 $1 $15 {Black is slightly better.} 10. e4 {[#]} Be6 $146 ({Predecessor:} 10... h6 11. Bd2 Bg4 12. h3 Be6 13. Ne1 Nd7 14. f4 Nc5 15. f5 Bd7 16. Qg4 Kh7 {0-1 (57) Scharf,N (2220)-Baranyuk,A (2276) GER email 2016}) 11. Nh4 Nd7 12. Bxe7 Nxe7 13. Qe2 f6 14. f4 Nc6 15. Nf5 {Black continues to play with concentration.} (15. Na3 $15) 15... Nc5 $17 16. Rad1 {[#]} Qd7 $1 17. fxe5 fxe5 18. g4 Nb4 19. b3 c6 20. Na3 a4 21. Nb1 (21. Qd2 $142 Ncxd3 22. Nc2 Nxc2 23. Qxd3) 21... axb3 $19 22. axb3 Ra2 {[%cal Ba8a2,Ba2b2,Bb2b3,Bb3c3][%mdl 32]} (22... Nxb3 23. Qb2 $11) 23. Qf3 {[%cal Of5h6] [#] Intending Nh6+! and mate.} Re8 24. Qg3 Rb2 25. g5 (25. Rf3 $142) 25... Rxb3 {[%cal Rb4d3]} 26. g6 (26. Nd2 {is the only way for White.} Ra3 27. Qxe5 Nbxd3 28. Qg3) 26... h6 ({Don't blunder} 26... Rxd3 $2 27. Qxe5 Rxd1 28. gxh7+ Kh8 29. Rxd1 $19) ({Not} 26... Nbxd3 $2 27. Nd2 Rc3 28. Nb1 hxg6 29. Nxc3 gxf5 30. Rxd3 $19) ({Worse is} 26... Ncxd3 27. gxh7+ (27. Nd2 $2 Rc3 $17) 27... Kxh7 28. Bh3 $17 (28. Nd2 Rc3 $17)) (26... hxg6 $142 27. Qxg6 Bxf5 28. exf5 Nbxd3) 27. Bh3 (27. Nd2 Rb2 28. Rf3) 27... Nbxd3 {Black is clearly winning.} 28. Nd2 Rc3 {Hoping for ...Nf4.} 29. Qh4 Nf4 30. Bg4 Qd8 31. Qxd8 Rxd8 32. Nf3 Nxg6 33. h4 Bxc4 34. h5 Nf4 35. Nxe5 Bxf1 36. Ne7+ Kf8 37. N7g6+ Nxg6 38. Rxf1+ Kg8 39. Nxg6 Rg3+ {Weighted Error Value: White=0.51/Black=0.16 (very precise)} 0-1

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.10"]
[Round "7.1"]
[White "Leisch, Lukas"]
[Black "Borrmann, Laurenz"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2403"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,16,13,10,16,0,0,0,0,0,0,0,20,20,28,21,22,0,12,0,32,27,21,6,44,33,79,29,37,29,75,61,60,55,88,63,68,72,74,67,79,77,72,79,123,70,70,79,71,79,80,82,88,90,104,92,109,75,81,65,70,56,124,70,96,87,182,87,175,170,163,155,257,202,408,399,351,333,455,450,414,390,483,322,576,396,872,629,1634,1572,1687,2014,2323,1966,2589,1991]} 1. Nf3 Nf6 2. b3 d5 3. Bb2 e6 4. c4 Be7 5. e3 b6 6. cxd5 {A13: English Opening: 1...e6.} exd5 7. g3 O-O 8. Bg2 {[#] The position is equal.} Ba6 $146 ({Predecessor:} 8... Re8 9. O-O c5 10. d4 Nbd7 11. Nc3 Ba6 12. Re1 Rc8 13. Ne5 Bd6 14. Nxd7 Qxd7 15. dxc5 {½-½ (39) Iturrizaga Bonelli,E (2598)-Sousa,A (2392) Lisbon 2020}) 9. d3 Nbd7 10. O-O Rc8 11. Re1 Re8 12. Nc3 c5 13. Qc2 Bd6 14. Rad1 Qc7 15. Qb1 Qb8 16. Nh4 d4 (16... Bb7 {keeps more tension.} 17. Bh3 Rcd8 18. d4 Bf8 19. Bg2 Qa8) 17. exd4 cxd4 (17... Rxe1+ $14 {deserves consideration.} 18. Rxe1 cxd4) 18. Rxe8+ ({White should play} 18. Ne4 $1 $16) 18... Rxe8 $11 ({Don't play} 18... Nxe8 19. Ne4 $16) 19. Ne4 Bc5 (19... Nxe4 $11 20. Bxe4 g6) 20. a3 $16 Nxe4 21. Bxe4 b5 22. b4 Bb6 23. Qa1 Nf6 24. Bxd4 Bxd4 25. Qxd4 Rd8 {[#]} 26. Qa1 {White is more active.} Bb7 (26... Bc8 $142) 27. Bxb7 (27. Nf5 $16) 27... Qxb7 $14 28. Qe5 h6 29. d4 Re8 30. Qf5 Nd5 {Hoping for ...Nc3.} 31. Qf3 {Prevents Nc3.} g6 32. Ng2 Qd7 33. Re1 Rd8 34. h4 h5 35. Rc1 Nb6 {Black is on the road to losing.} ({Black should try} 35... a6 $14) 36. Rd1 (36. Ne3 $16) 36... Nd5 37. Ne3 Kg7 (37... Qc6 $16 {was necessary.}) 38. Nxd5 (38. Qxd5 $18 {is more deadly.} Qxd5 39. Nxd5 Rxd5 40. f3) 38... Qxd5 (38... Qc6 $16) 39. Qxd5 $18 Rxd5 {[%mdl 4096] Endgame KR-KR} 40. Kg2 Rd6 {[#]} (40... Kf6 $16 41. Kf3 Rd7) 41. Kf3 $1 a5 $2 (41... Rf6+ 42. Ke2 Re6+ 43. Kf3 Rf6+ 44. Ke3 Re6+ 45. Kf4 Rf6+ 46. Ke5 Rxf2) 42. d5 ({Less strong is} 42. bxa5 Ra6 43. Ke4 Rxa5 $16) 42... axb4 43. axb4 Rd7 44. Ke4 Kf6 45. Rc1 {Strongly threatening Rc6+.} Re7+ 46. Kd3 {Black must now prevent Kd4.} Kf5 $2 (46... Ra7 47. Kd4 Ke7) 47. Rc5 {d6+ is the strong threat.} Kg4 $2 (47... Re1 48. Rxb5 Ke5) 48. Rxb5 {White is clearly winning.} Kf3 49. d6 Rd7 50. Rd5 Kxf2 51. Kc4 Kxg3 52. Kc5 {Weighted Error Value: White=0.23 (precise) /Black=0.38} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.10"]
[Round "7.2"]
[White "Baidetskyi, Valentin"]
[Black "Cu Hor, Winston Darwin"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2427"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,107,23,20,27,14,16,35,48,42,53,28,44,42,38,5,5,6,8,11,23,14,28,20,16,13,25,16,21,10,8,6,8,0,17,0,0,0,0,0,0,0,4,8,15,13,13,13,16,14,28,28,28,0,0,0,0,0,0,-8,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12,12,12,12,12,0,12,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c5 6. O-O Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 O-O 11. Nb3 Be7 {E04: Open Catalan: 5 Nf3.} 12. c4 e5 13. Bb2 e4 {White is slightly better.} 14. Nfd4 Nxd4 15. Bxd4 Bf5 {[#]} 16. c5 $146 ({Predecessor:} 16. e3 Rfc8 17. Nd2 Re8 18. Rdc1 Rad8 19. Nb3 b6 20. a4 Be6 21. a5 b5 22. Bxa7 Bxc4 {1-0 (40) Berczes,C (2337)-Papp Zoltan,C (2194) Hungary 2019}) 16... Rac8 17. Na5 {[%cal Bb3a5,Ba5b7,Bb7d6][%mdl 32]} (17. Rac1 {with more complications.} Rfd8 18. Na5 Rd7 19. c6 bxc6 20. Rxc6 Re8 21. e3) 17... Bxc5 18. Bxf6 gxf6 19. Nxb7 {[#] And now Rd5 would win.} Bg6 20. e3 Ba3 {[%cal Bc5a3,Ba3b2,Bb2e5][%mdl 32]} 21. Nd6 Rc6 22. Nb5 Bb2 {This bishop pair is nice.} 23. Rab1 Be5 24. Nxa7 Ra6 {[%csl LRa2,LRa7]} 25. Nb5 Rxa2 26. Nd6 Ra4 27. Rd2 Rd8 28. Nc4 Rxd2 29. Nxd2 Bc3 30. Nf1 Bh5 31. h3 Be2 32. g4 {[#] Threatens to win with Ng3.} Be5 33. Nd2 Bd3 {...Ra2 is the strong threat.} 34. Rd1 Kg7 35. Bf1 Bxf1 36. Kxf1 $11 {[%mdl 4096] Endgame KRB-KRN} f5 {The position is equal.} 37. gxf5 Kf6 38. Nb3 Kxf5 39. Rd7 Kf6 40. Rb7 Rc4 {Prevents Nc5.} 41. Nd2 Ra4 42. Nb3 Rc4 {To avoid Nc5} 43. Nd2 Ra4 44. Kg2 Kg6 45. Rb6+ f6 46. Rc6 Kf5 47. Nc4 Ra7 48. Rc5 Rg7+ 49. Kf1 Ke6 {To avoid Nd6} 50. Rb5 Rc7 51. Nd2 f5 52. Nb3 Kf6 53. Rb6+ Kf7 54. Rb5 {Weighted Error Value: White=0.04 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.10"]
[Round "7.3"]
[White "Kruckenhauser, Arthur"]
[Black "Yankelevich, Lev"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2278"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,34,7,23,12,8,0,14,14,12,10,35,9,25,0,0,8,5,0,5,1,2]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O d5 7. exd5 Nxd5 8. Re1 Bg4 9. Nbd2 {[%cal Bb1d2,Bd2e4,Be4g3,Bg3f5][%mdl 32] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Nb6 10. Bb5 f6 11. h3 Bh5 12. Ne4 Be7 13. Ng3 Be8 14. d4 Nxd4 {The position is equal.} 15. Nxd4 exd4 {[#]} 16. Nf5 $1 {[#]} Bd6 $146 ({Predecessor:} 16... Bxb5 17. Rxe7 Rf7 18. Rxf7 Kxf7 19. Qh5+ Kg8 20. Nxg7 Kxg7 21. Bh6+ Kh8 22. Qf7 Qd7 23. Bg7# {1-0 (23) Vantuch,L (1966)-Toman,J (1724) Plzen 2020}) 17. Qg4 {[%csl Gf5][%cal Rg4g7]} Bg6 {A balanced but interesting game.  Weighted Error Value: White=0.11 (very precise) /Black=0.04 (flawless)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.10"]
[Round "7.4"]
[White "Morgunov, Marc"]
[Black "Peyrer, Konstantin"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2377"]
[BlackElo "2301"]
[Annotator "ChessBase"]
[PlyCount "168"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:02:24]} c6 {[%emt 0:00:07]} 2. Nc3 {[%emt 0:00:32]} d5 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:08]} dxe4 {[%emt 0:00:11]} 4. Nxe4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:10]} 5. Nxf6+ {[%emt 0:00:05]} exf6 {[%emt 0:00:05]} 6. c3 {[%emt 0:00:07]} Bd6 {[%emt 0:00:06]} 7. Bd3 {[%emt 0:00:13]} O-O {[%emt 0:00:07]} 8. Qc2 {[%emt 0:00:06]} Re8+ {[%emt 0:00:04]} 9. Ne2 {[%emt 0:00:06]} h5 {[%emt 0:00:04]} 10. O-O {[%emt 0:00:56]} h4 {[%emt 0:00:10]} 11. h3 {[%emt 0:00:13]} Na6 {[%emt 0:00:25]} 12. Be3 {[%emt 0:05:59]} Nc7 {[%emt 0:02:19]} 13. c4 {[%emt 0:03:06]} Ne6 {[%emt 0:00:26]} 14. Rad1 {[%emt 0:08:24]} Bb8 {[%emt 0:03:19]} 15. Bc1 {[%emt 0:06:24]} Kh8 {[%emt 0:07:43]} 16. d5 {[%emt 0:15:27]} Qd6 {[%emt 0:09:02]} 17. f4 {[%emt 0:04:09]} cxd5 {[%emt 0:00:50]} 18. cxd5 {[%emt 0:00:54]} Qxd5 {[%emt 0:09:19]} 19. Bg6 {[%emt 0:04:28]} Qc6 {[%emt 0:09:21]} 20. Qxc6 {[%emt 0:01:30]} bxc6 {[%emt 0:01:11]} 21. Bxf7 {[%emt 0:00:13]} Rf8 {[%emt 0:00:07]} 22. Bh5 {[%emt 0:03:59]} f5 {[%emt 0:02:29]} 23. Bf3 {[%emt 0:06:17]} Ba6 {[%emt 0:00:40]} 24. Rfe1 {[%emt 0:08:11]} Bc7 {[%emt 0:01:23]} 25. Bxc6 {[%emt 0:04:04]} Rad8 {[%emt 0:00:13]} 26. Nc3 {[%emt 0:00:51]} Nxf4 {[%emt 0:01:45]} 27. Rxd8 {[%emt 0:05:25]} Rxd8 {[%emt 0:00:09]} 28. Re7 {[%emt 0:01:03]} Bb6+ {[%emt 0:02:56]} 29. Kh2 {[%emt 0:03:09]} Nd3 {[%emt 0:07:35]} 30. Bg5 {[%emt 0:01:30]} Rd6 {[%emt 0:00:50]} 31. Bd7 {[%emt 0:02:00]} g6 {[%emt 0:08:21]} 32. Bxh4 {[%emt 0:05:57]} Bd4 {[%emt 0:00:35]} 33. Be6 {[%emt 0:01:14]} Be5+ {[%emt 0:06:18]} 34. Kh1 {[%emt 0:01:16]} Nc5 {[%emt 0:05:40]} 35. Bf7 {[%emt 0:00:58]} Bxc3 {[%emt 0:00:08]} 36. bxc3 {[%emt 0:00:09]} Ne4 {[%emt 0:00:08]} 37. Re6 {[%emt 0:02:11]} Rxe6 {[%emt 0:00:13]} 38. Bxe6 {[%emt 0:00:03]} Kg7 {[%emt 0:00:08]} 39. Be7 {[%emt 0:01:09]} Nxc3 {[%emt 0:05:31]} 40. Bc5 {[%emt 0:00:11]} Kf6 {[%emt 0:00:56]} 41. Bb3 {[%emt 0:30:25]} Ke5 {[%emt 0:30:38]} 42. Bxa7 {[%emt 0:01:30]} Ne2 {[%emt 0:03:03]} 43. h4 {[%emt 0:00:00]} Kf4 {[%emt 0:00:00]} 44. Bf2 {[%emt 0:00:00]} Kg4 {[%emt 0:00:00]} 45. Bf7 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 46. Bc4 {[%emt 0:00:00]} Nc3 {[%emt 0:00:00]} 47. a3 {[%emt 0:00:00]} f4 {[%emt 0:00:00]} 48. Be1 {[%emt 0:00:27]} Na4 {[%emt 0:00:00]} 49. Kg1 {[%emt 0:03:46]} Nc5 {[%emt 0:00:00]} 50. Bf2 {[%emt 0:00:22]} Ne4 {[%emt 0:00:00]} 51. Be2+ {[%emt 0:00:05]} Kf5 {[%emt 0:00:00]} 52. a4 {[%emt 0:00:26]} g5 {[%emt 0:00:00]} 53. h5 {[%emt 0:01:54]} g4 {[%emt 0:00:00]} 54. h6 {[%emt 0:00:19]} Kg6 {[%emt 0:00:10]} 55. Bxg4 {[%emt 0:00:05]} Kxh6 {[%emt 0:00:09]} 56. a5 {[%emt 0:01:03]} Ba6 {[%emt 0:00:08]} 57. Bh4 {[%emt 0:00:06]} Kg6 {[%emt 0:00:18]} 58. Bd8 {[%emt 0:00:17]} Kh6 {[%emt 0:01:55]} 59. Bf3 {[%emt 0:01:30]} Nc5 {[%emt 0:01:56]} 60. Kh2 {[%emt 0:01:19]} Kg6 {[%emt 0:01:33]} 61. Bg4 {[%emt 0:01:23]} Nd3 {[%emt 0:00:18]} 62. Bd7 {[%emt 0:00:48]} Ne5 {[%emt 0:00:18]} 63. Be6 {[%emt 0:00:35]} f3 {[%emt 0:00:14]} 64. gxf3 {[%emt 0:00:14]} Nxf3+ {[%emt 0:00:18]} 65. Kg3 {[%emt 0:00:05]} Ne5 {[%emt 0:00:19]} 66. Bd5 {[%emt 0:00:30]} Nc4 {[%emt 0:00:07]} 67. Kf4 {[%emt 0:00:12]} Nxa5 {[%emt 0:00:09]} 68. Bxa5 {[%emt 0:00:04]} Bd3 {[%emt 0:00:11]} 69. Bc3 {[%emt 0:00:07]} Bc2 {[%emt 0:00:26]} 70. Bc6 {[%emt 0:00:06]} Bb1 {[%emt 0:00:31]} 71. Be8+ {[%emt 0:00:07]} Kh6 {[%emt 0:00:09]} 72. Bf6 {[%emt 0:00:20]} Kh7 {[%emt 0:00:08]} 73. Kg5 {[%emt 0:00:41]} Bc2 {[%emt 0:00:11]} 74. Be7 {[%emt 0:00:05]} Bb1 {[%emt 0:00:07]} 75. Bf8 {[%emt 0:00:09]} Bc2 {[%emt 0:00:07]} 76. Kf6 {[%emt 0:00:13]} Bb1 {[%emt 0:00:05]} 77. Bg7 {[%emt 0:00:04]} Bc2 {[%emt 0:00:09]} 78. Bh5 {[%emt 0:00:06]} Bb1 {[%emt 0:00:08]} 79. Kf7 {[%emt 0:00:14]} Ba2+ {[%emt 0:00:13]} 80. Kf8 {[%emt 0:00:14]} Bb3 {[%emt 0:00:25]} 81. Be8 {[%emt 0:00:11]} Bc2 {[%emt 0:00:13]} 82. Bf7 {[%emt 0:00:06]} Bb1 {[%emt 0:00:10]} 83. Bh5 {[%emt 0:00:25]} Ba2 {[%emt 0:00:08]} 84. Be2 {[%emt 0:00:04]} Kg6 {[%emt 0:00:11]} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.10"]
[Round "7.5"]
[White "Savanovic, Aleksandar"]
[Black "Finek, Vaclav"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2391"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,49,0,0,0,0,0,0,3,0,0,0,0,0,0,-4,-7,-14,-8,0,-3,-27,-28,-21,-26,-18,-18,-17,-16,-25]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Kh1 Nxd4 9. Qxd4 Bc5 10. Qd3 b5 11. f4 Bb7 12. Bf3 d5 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} 13. exd5 {[%cal Oc3b5]} O-O 14. d6 Qb8 15. Bxb7 Qxb7 16. f5 {[#] And now Bg5 would win.} Rad8 {[#]} 17. Bf4 $146 ({Predecessor:} 17. fxe6 Rxd6 18. Qf3 Qxf3 19. exf7+ Rxf7 20. gxf3 Bd4 21. Ne2 Bc5 22. c3 Rdd7 23. b4 {½-½ (33) Akrill,H-Piccoli,F (2143) ICCF email 2021}) 17... Rfe8 18. Rae1 exf5 19. Qxf5 Bxd6 20. Rxe8+ Nxe8 {[%cal Bf6e8,Be8c7,Bc7e6][%mdl 32]} 21. Ne4 Bxf4 22. Qxf4 Qe7 {[#] Threatens to win with ...Rd4.} 23. c3 {Prevents Rd4.} Nc7 24. h3 Ne6 25. Qe5 {An even fight not without its subleties.  Weighted Error Value: White=0.03 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.11"]
[Round "8.1"]
[White "Borrmann, Laurenz"]
[Black "Finek, Vaclav"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2232"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,75,6,15,-31,-37,-55,0,0,0,0,0,0,14,3,13,3,16,21,21,23,23,21,27,9,16,16,39,12,28,11,19,12,32,24,43,31,68,26,71,67,81,73,81,58,81,57,117,54,64,45,95,4,11,-56,-54,-83,-83,-83,-83,-83,-91,-98]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 $1 {[%mdl 4] is recently more successful than 7.Bc4.} c5 8. Rb1 O-O 9. h3 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} (9. Be2 $11 {feels stronger.}) 9... Nc6 $15 {[%cal Rc5d4]} 10. d5 Ne5 (10... Bxc3+ $15 11. Bd2 Bxd2+ 12. Qxd2 Na5) 11. Nxe5 $11 {The position is equal.} Bxe5 {[#]} 12. Qc2 $146 ({Predecessor:} 12. Qb3 e6 13. Bc4 b5 14. Bxb5 Rb8 15. Qc2 a6 16. Bc4 Rxb1 17. Qxb1 Bxc3+ 18. Ke2 exd5 19. Bxd5 {0-1 (35) Nastore,P (2221)-Mikhalsky,V (2290) Chess.com INT 2021}) 12... f5 13. Bd3 f4 14. Be2 b6 15. c4 e6 16. Bb2 Bxb2 17. Qxb2 Qg5 18. Kf1 e5 19. Rd1 Bd7 20. Bf3 Rfe8 21. Kg1 Qh4 22. Ra1 Rab8 23. Qa3 a5 24. Re1 {[%cal Ba1e1,Be1b1,Bb1b5][%mdl 32]} Kg7 25. Bd1 Qe7 26. Ba4 (26. Bg4 $14) 26... Bxa4 (26... b5 $11 {is superior.} 27. cxb5 Bxb5) 27. Qxa4 $16 Red8 28. Rb1 Rd6 29. Qa3 Rf8 30. Rb5 Rff6 (30... h5 $14) 31. Kh2 (31. h4 $16) 31... g5 $14 32. Rhb1 Rh6 (32... h5 $14) 33. f3 (33. Qf3 $16) 33... Rhg6 $11 34. R1b3 (34. Rh1 $11) 34... h5 $1 $15 35. Qb2 {[%cal Rb5b6]} a4 {Black is better.} 36. Rd3 g4 {[#] Threatens to win with ...gxh3.} 37. fxg4 hxg4 38. hxg4 {Weighted Error Value: White=0.22 (precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.11"]
[Round "8.2"]
[White "Peyrer, Konstantin"]
[Black "Savanovic, Aleksandar"]
[Result "1-0"]
[ECO "C83"]
[WhiteElo "2301"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,85,14,12,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,-12,-11,-18,-39,-25,-18,31,12,40,55,46,56,52,49,49,68,68,47,56,56,304,304,288,289,331,304,278,278,278,267,237,263,251,222,275,262,264,261,348,200,615,609,586,584,2355,2125,1217,1179]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Be3 Be7 10. c3 O-O 11. Nbd2 Bg4 {outshines the older 11...Qd7.} 12. h3 {C83: Open Ruy Lopez: 9 c3 Be7.} Nxd2 13. hxg4 Nxf1 14. Kxf1 {The position is equal.} Na5 15. Bxd5 c6 16. Be4 {A strong pair of Bishops.} Qxd1+ 17. Rxd1 Nc4 18. Bc1 Rad8 19. Re1 c5 {[#]} 20. b3 $146 ({Predecessor:} 20. g3 h6 21. Kg2 g5 22. b3 Nb6 23. Bb7 a5 24. Bc6 b4 25. cxb4 axb4 26. e6 {1-0 (59) Shevchenko,K (2633)-Vidit,S (2727) Chess.com INT 2021}) 20... Nb6 21. Ke2 Nd5 22. Bd2 b4 (22... Rfe8 $11) 23. c4 $14 Nc7 24. Rh1 h6 25. g5 hxg5 26. Bh7+ Kh8 27. Bxg5 Rfe8 28. Be3 {White is more active.} Ne6 29. g4 Nd4+ $2 {This costs Black the game.} (29... Rb8 $14) 30. Bxd4 $18 cxd4 31. e6 {[#] Bg6+ is the strong threat.} g5 32. exf7 Rf8 33. Bg8+ Kg7 34. Rh7+ Kg6 35. Kd3 Bf6 36. Nd2 a5 37. Rh1 Rd7 38. Ne4 {Threatens to win with Ng3. Dancing on a razor blade.} Be7 39. c5 (39. Bh7+ $142 Kxf7 40. Bf5) 39... Rc8 $2 (39... Rc7 40. Bh7+ (40. Kxd4 Rd8+ 41. Kc4 Rdc8 $16) 40... Kxf7) 40. Bh7+ {White is clearly winning.} Kxf7 41. Bf5 Rdc7 42. Rh7+ Kg8 {[#]} 43. Rxe7 $1 {[%mdl 512] Weighted Error Value: White=0.07 (flawless) /Black=0.42} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.11"]
[Round "8.3"]
[White "Yankelevich, Lev"]
[Black "Morgunov, Marc"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2444"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,-5,27,1,11,14,20,23,16,7,14,18,22,22,14,13,24,0,0,-4,0,-18,-2,-15,0,0,0,0,0,-2,12,0,0,0,0,0,80,87,83,-10,-14,-19,5,4,60,60,66,37,37,37,37,0,0,0,0,0,0,0,0,0,0,0,129,139,133,136,231,229,238,185,190,80,80,0,0,0,0,0,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Bg5 e6 5. a3 h6 6. Bh4 {A40: Unusual replies to 1 d4.} (6. Bxf6 $5 Qxf6 7. Nf3 $11) 6... d5 7. cxd5 exd5 8. e3 Nbd7 9. Bb5 c6 10. Bd3 Be7 11. Nge2 {[%cal Bg1e2,Be2g3,Bg3f5][%mdl 32]} O-O 12. O-O c5 {[#]} 13. f3 $146 ({Predecessor:} 13. Rc1 a6 14. dxc5 bxc5 15. Bf5 Bc6 16. Qc2 Rb8 17. Rfd1 Nb6 18. b3 Re8 19. Rd2 Rb7 20. Rcd1 {0-1 (65) Alvarez Angel,N (2078)-Chavez Duero,B (2026) Medellin 2021}) 13... Re8 14. Bf2 a6 15. Kh1 b5 16. Ng3 Nb6 17. Nf5 Bf8 18. dxc5 Bxc5 19. b3 g6 20. Nxh6+ Kg7 21. Ng4 Nxg4 22. fxg4 Ra7 (22... Nd7 $11 {keeps the balance.}) 23. Qf3 $16 {[%cal Of2h4] Hoping for Bh4!} Ba8 24. e4 (24. Rac1 $16 {[%cal Oc3b5] And now Nxb5! would win.} Qe7 25. e4 dxe4 26. Nxe4 $1 {[%mdl 512]} Bxe4 27. Bxe4 (27. Bxc5 Bxf3 28. Bxe7 Bxg2+ 29. Kxg2 Raxe7 $11) 27... Bxf2 28. Qxf2 Qxe4 29. Rce1 (29. Qxb6 Qe3 $16)) 24... Bxf2 $11 25. Rxf2 dxe4 26. Bxe4 Bxe4 ({Black should try} 26... Qd4 $11 27. Rd1 Bxe4 28. Nxe4 (28. Rxd4 Bxf3 29. gxf3 Re3 $17) 28... Qxe4 29. Qf6+ Kg8 30. Qxb6 Qxg4) 27. Nxe4 $14 Qd4 {[%csl LRa1,LRe4]} 28. Qf6+ Qxf6 29. Nxf6 Re3 30. h4 Nd7 31. g5 Nxf6 $1 32. gxf6+ $11 {[%mdl 4096] Endgame KRR-KRR} Kh7 33. Rd1 Re4 34. g3 Rc7 35. Rd3 Kh6 {[#]} (35... g5 $11 {remains equal.}) 36. Rd8 $1 $16 {[%cal Rd8h8]} Kh7 {Prevents Rh8+.} 37. Rf8 g5 (37... Re5 $16) 38. hxg5 $18 {[%cal Og5g6] White threatens g6+! and mate.} Re1+ 39. Kg2 Re5 40. Rf4 (40. g4 $18 Rxg5 41. Kf3) 40... Rxg5 $16 41. g4 (41. a4 $16) 41... Rg8 $1 $11 {The position is equal.} 42. Rxg8 Kxg8 {KR-KR} 43. Rf5 Rc6 44. Kf3 Kh7 45. g5 Kg6 46. Rd5 Rc1 47. b4 Ra1 48. Kf4 Rf1+ 49. Ke3 Ra1 50. Kf4 Rf1+ 51. Ke4 Re1+ 52. Kf3 Ra1 53. Kg4 Rg1+ 54. Kf4 Rf1+ 55. Ke3 Ra1 {Weighted Error Value: White=0.12 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.11"]
[Round "8.4"]
[White "Cu Hor, Winston Darwin"]
[Black "Kruckenhauser, Arthur"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2337"]
[BlackElo "2278"]
[Annotator "ChessBase"]
[PlyCount "61"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:04]} d5 {[%emt 0:02:21]} 2. c4 {[%emt 0:00:13]} e6 {[%emt 0:00:24]} 3. b3 {[%emt 0:00:27]} Nf6 {[%emt 0:00:18]} 4. g3 {[%emt 0:02:20]} Be7 {[%emt 0:11:32]} 5. Bg2 {[%emt 0:01:00]} O-O {[%emt 0:00:29]} 6. O-O {[%emt 0:00:05]} dxc4 {[%emt 0:00:44]} 7. bxc4 {[%emt 0:00:08]} c5 {[%emt 0:00:07]} 8. Nc3 {[%emt 0:02:28]} Nc6 {[%emt 0:02:09]} 9. d3 {[%emt 0:00:05]} a6 {[%emt 0:02:40]} 10. Rb1 {[%emt 0:00:42]} Rb8 {[%emt 0:01:51]} 11. Bf4 {[%emt 0:10:04]} Bd6 {[%emt 0:00:11]} 12. Qc1 {[%emt 0:00:13]} Qc7 {[%emt 0:06:25]} 13. Bg5 {[%emt 0:07:56]} Nd7 {[%emt 0:07:08]} 14. Ne4 {[%emt 0:01:25]} b5 {[%emt 0:00:36]} 15. cxb5 {[%emt 0:02:10]} axb5 {[%emt 0:00:15]} 16. Be3 {[%emt 0:05:26]} Ne7 {[%emt 0:10:56]} 17. d4 {[%emt 0:05:31]} cxd4 {[%emt 0:07:22]} 18. Nxd6 {[%emt 0:05:47]} Qxd6 {[%emt 0:00:06]} 19. Bxd4 {[%emt 0:02:58]} e5 {[%emt 0:07:45]} 20. Bc3 {[%emt 0:02:42]} f6 {[%emt 0:10:47]} 21. Rd1 {[%emt 0:02:57]} Qe6 {[%emt 0:00:24]} 22. Bb4 {[%emt 0:00:14]} Re8 {[%emt 0:01:35]} 23. Qa3 {[%emt 0:00:47]} Nb6 {[%emt 0:06:03]} 24. Bxe7 {[%emt 0:07:05]} Rxe7 {[%emt 0:07:41]} 25. Rxb5 {[%emt 0:01:59]} Rd7 {[%emt 0:04:36]} 26. Rbb1 {[%emt 0:03:10]} Ra8 {[%emt 0:02:04]} 27. Qc5 {[%emt 0:01:16]} Na4 {[%emt 0:02:23]} 28. Qc2 {[%emt 0:02:20]} e4 {[%emt 0:04:41]} 29. Nd4 {[%emt 0:00:45]} Qe5 {[%emt 0:00:25]} 30. Bxe4 {[%emt 0:01:12]} Rc7 {[%emt 0:00:56]} 31. Qb3+ {[%emt 0:00:39]} 1-0

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.11"]
[Round "8.5"]
[White "Leisch, Lukas"]
[Black "Baidetskyi, Valentin"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2403"]
[BlackElo "2427"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,21,15,18,21,16,27,18,8,9,15,10,23,22]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 a6 {B12: Caro-Kann: Advance Variation.} 7. Be2 c5 8. dxc5 Bxc5 9. Nxc5 Nxc5 10. Nd4 Bg6 11. O-O {[#] An uneventful encounter.  Weighted Error Value: White=0.02 (flawless) /Black=0.03 (flawless)} {Predecessor:} Qc7 $146 12. f4 Ne7 13. Be3 O-O 14. c3 Rac8 15. a4 Be4 {½-½ (15) Sikula,V (2528)-Berkes,F (2645) Hungary 2008} 1/2-1/2

[Event "Vienna IM February 2022"]
[Site "Vienna"]
[Date "2022.02.12"]
[Round "9.4"]
[White "Savanovic, Aleksandar"]
[Black "Yankelevich, Lev"]
[Result "0-1"]
[ECO "C89"]
[WhiteElo "2391"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2022.02.06"]
[EventType "tourn"]
[EventCountry "AUT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,89,43,27,50,31,30,15,29,21,22,3,0,0,27,0,0,0,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-46,-80,-108,-108,-108,-108,-108,-108,-181,21,-108,-108,-108,-108,-223,-250,-243,0,-29988,-29982,-29989,-29990,-29996,-29997,-29997,504,-29996,29975,-29995,29984,1662]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Ra7 {C89: Closed Ruy Lopez: Marshall Attack.} 16. Qf3 (16. a4 $5 {[%cal Rb3d5]}) 16... Re7 17. Nd2 Rfe8 {The position is equal.} 18. Bxd5 cxd5 19. a4 (19. Qxd5 $2 Bb7 $1 20. Qxb7 Rxb7 $19) 19... b4 $1 20. c4 (20. Qxd5 $2 Bb7 $1 21. Qxb7 Rxb7 $19) 20... dxc4 21. Nxc4 Bb7 $1 22. d5 Bc7 23. Red1 f5 $1 {[%cal Of5f4]} 24. Bb6 Bxb6 25. Nxb6 f4 {[#]} 26. a5 $146 ({Predecessor:} 26. Qxf4 a5 27. Qh4 Qf5 28. Qf4 Qh3 29. Qh4 Qf5 30. Qf4 {½-½ (30) Langer,R (2454)-Frotscher,T (2391) GER email 2020}) 26... fxg3 27. Qxg3 Qf5 28. Rd4 Re2 29. Rf1 Rxb2 30. Nc4 (30. Rf4 $11 Qh5 31. Rg4) 30... Rb1 $15 {...Ree1 is the strong threat.} 31. Nd6 {[%csl LRb7,LRe8,LRf5]} Rxf1+ 32. Kxf1 Qb1+ (32... Qf6 33. Qf4 Qxf4 34. Rxf4 $14) 33. Kg2 Re1 {Really sharp!} (33... Re7 34. Nxb7 Rxb7 35. d6 $16) 34. Kh3 {[#]} (34. Qf3 $17 Qg6+ 35. Qg3) 34... Rg1 $2 35. Qf3 {[#]} (35. Qd3 $1 $11 Qc1 36. Qe3 Bc8+ 37. Nxc8 Qxc8+ 38. Qe6+ Qxe6+ 39. dxe6) 35... Qg6 $1 $17 {Threatens to win with ...Qh6+.} 36. Nxb7 b3 $1 $40 {[%mdl 128] ( -> ...b2). Black has strong attack.} 37. Nc5 (37. Rc4 $17 {is the only way for White.} Qh6+ 38. Rh4) 37... b2 $19 38. d6 {Intending Qa8+ and mate.} ({Don't blunder} 38. Ne6 $2 h5 39. Rb4 b1=Q 40. Rxb1 Qxb1 41. Qf8+ (41. d6 Qf1+ 42. Kh4 Qc4+ 43. Kh3 Qxe6+ 44. Kh4 Qc4+ 45. Kh3 g5 46. Qa8+ Kh7 47. Qa7+ Kg6) 41... Kh7 $19) 38... h6 $2 (38... b1=Q {gets mated.} 39. Qa8+ Kf7 40. Qd5+ Kf8 41. Rf4+) (38... Qh6+ $19 39. Rh4 Qxd6 40. Qb3+ Kh8) 39. d7 $2 {[%mdl 8192]} (39. Qd5+ $11 Kh7 40. Ne6) 39... b1=Q 40. d8=Q+ Kh7 41. Rd5 Qf1+ 42. Kh4 {[#]} Qfb1 $4 {[%mdl 8192]} (42... Qxf2+ $3 {[%mdl 512]} 43. Qg3 Qfxg3+ 44. hxg3 Rh1#) 43. Rd4 $4 {[%mdl 8192]} (43. Qe7 $18 Rc1 44. Qfe4 Qbxe4+ 45. Qxe4) 43... Qe1 $4 {[%mdl 8192]} (43... Qg5+ {and all is fine.} 44. Qxg5 hxg5+ 45. Kh3 Qf1+ 46. Qg2 Qxg2#) 44. Qdd5 $4 {[%mdl 8192]} (44. Ne4 $1 Rg2 45. Nf6+ $1 {[%mdl 512]} Qxf6+ 46. Qdxf6 Rxh2+ 47. Kg3 Qg1+ 48. Kf4 Qc1+ 49. Kf5 Qc2+ 50. Ke6 Qc8+ 51. Rd7 Qxd7+ 52. Kxd7 gxf6 53. Ke6) 44... Qf1 $4 {[%mdl 8192]} (44... Qg5+ {and life is good for Black.} 45. Kh3 Qf1+ 46. Qg2 Qgxg2+ 47. Qxg2 Qxg2+ 48. Kh4 Qxh2#) 45. Qdf5 {[%mdl 32768] What a bad dream for Black.  Weighted Error Value: White=1.04/Black=0.82. Loss on time!?} (45. Ne6 $142 Qg5+ 46. Nxg5+ hxg5+ {[#]} 47. Qxg5 $1 {[%mdl 512]} Rxg5 48. Kxg5 Qc1+ 49. Kg4 Qg1+ 50. Qg3) 0-1

