[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.24"]
[Round "1.1"]
[White "Fiss, Wolfgang"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "1803"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 10,106,3,-16,-10,-127,-124,-128,-119,-116,-86,-91,-80,-89,-78,-127,-121,-162,-155,-158,-148,-158,-102,-116,-110,-108,-76,-119,-102,-86,-81,-133,-132,-142,-133,-189,-194,-191,-154,-206,-212,-362,-247,-239,-210,-304,-291,-301,-308,-312,-312,-313,-310,-325,-325,-303,-294,-291,-281,-285,-285,-318,-256,-452,-449,-427,-429,-418,-417,-473,-493,-581,-593,-29994,-460,-487,-441,-12831,-12831,-12835,-320,-12836,-12835,-12837,-629,-12834,-12835,-12839,-12839,-12840,-1815,-12840,-1170,-12841,-12826,-1988,-4584,-12833,-12833]} 1. d4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:08]} g6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:11]} Bg7 {[%emt 0:00:08]} 4. e4 {[%emt 0:00:08]} d6 {[%emt 0:00:08]} 5. f4 {[%emt 0:01:03]} c5 {[%emt 0:00:12]} 6. dxc5 {[%emt 0:00:28]} Qa5 {[%emt 0:00:21] E76: King's Indian: Four Pawns Attack: Lines specific to 6 Nf3 move-order.} 7. Qa4+ {[%emt 0:00:34]} (7. Bd3 $11) 7... Qxa4 $17 {[%emt 0:00:19]} 8. Nxa4 {[%emt 0:00:10]} Nxe4 {[%emt 0:00:15] Black is better.} 9. cxd6 {[%emt 0:01:03]} Nxd6 {[%emt 0:00:28]} 10. Bd2 {[%emt 0:00:40] [#]} Ne4 $146 {[%emt 0:02:36]} ({Predecessor:} 10... Be6 11. Rc1 Ne4 12. Nf3 Nxd2 13. Nxd2 Nc6 14. g3 Rd8 15. Bg2 Nb4 16. Ke2 Bg4+ 17. Bf3 Rxd2+ 18. Kxd2 Bxf3 19. Rhf1 Bg2 20. Rf2 Bc6 21. Nc5 Bd4 {0-1 Picazo,P-Garcia,P Albacete-ch Preferente 1994}) 11. Nf3 {[%emt 0:05:07]} Nxd2 {[%emt 0:01:09]} 12. Nxd2 {[%emt 0:00:18]} (12. Kxd2 $142 O-O 13. Rd1) 12... Nc6 {[%emt 0:00:17]} 13. a3 {[%emt 0:02:50]} O-O {[%emt 0:01:57]} 14. Nf3 {[%emt 0:04:15]} Bf5 {[%emt 0:02:30]} 15. Be2 {[%emt 0:01:08]} Bc2 {[%emt 0:03:14] Black is more active. This pair of bishops is nice.} ({Black should play} 15... Rac8 16. Nc3 Na5) 16. Nc3 {[%emt 0:00:53]} Bxc3+ {[%emt 0:05:04]} 17. bxc3 {[%emt 0:00:03]} Na5 {[%emt 0:00:41]} 18. Ra2 {[%emt 0:00:55]} Be4 {[%emt 0:05:55]} 19. O-O {[%emt 0:00:53]} Rac8 {[%emt 0:01:11][%cal Oe4f3]} 20. Nd2 {[%emt 0:00:25]} (20. Ng5 $142 Bf5 21. g4) 20... Bf5 {[%emt 0:00:36]} 21. Rb2 {[%emt 0:00:54]} b6 {[%emt 0:00:29]} 22. Rb4 {[%emt 0:00:47]} (22. Rf3 $17 {was necessary.}) 22... Rfd8 $19 {[%emt 0:04:02]} 23. Nf3 {[%emt 0:11:31]} Be6 {[%emt 0:02:14][%cal Re6c4]} 24. Nd4 {[%emt 0:00:27]} (24. Re1 $17) 24... Bxc4 {[%emt 0:00:34]} 25. f5 {[%emt 0:03:04]} (25. Bxc4 $142 Nxc4 26. Re1) 25... Bxe2 {[%emt 0:00:37]} 26. Nxe2 {[%emt 0:00:02]} Rd2 {[%emt 0:01:40]} 27. fxg6 {[%emt 0:00:12]} (27. Re4 {keeps fighting.}) 27... hxg6 {[%emt 0:00:16]} (27... Rxe2 28. gxf7+ Kh8 29. f8=Q+ (29. f8=B Nc4 $11) 29... Rxf8 30. Rxf8+ Kg7 31. Rc8 $18) 28. Ng3 {[%emt 0:01:30]} Ra2 {[%emt 0:01:09]} (28... Rxc3 29. Ne4 Rcc2 30. Nxd2 Rxd2 31. Rbb1 $11) 29. Rbf4 {[%emt 0:04:53]} f6 {[%emt 0:01:36]} (29... Rxc3 30. Rxf7 Rc8 31. Rxe7 $11) 30. Re1 {[%emt 0:01:11]} Kf7 {[%emt 0:00:26]} (30... Rxa3 31. Rxe7 f5 32. Rxa7 $17) 31. Rh4 {[%emt 0:02:16]} Nc6 {[%emt 0:04:39]} ({Stronger than} 31... Rxc3 32. Rh7+ Kg8 33. Rexe7 $11) 32. a4 {[%emt 0:03:19]} Ne5 {[%emt 0:02:57] Wards off Rc4} 33. Rh7+ {[%emt 0:02:10]} Ke6 {[%emt 0:02:23]} 34. Ne2 {[%emt 0:02:52]} Rxa4 {[%emt 0:10:57]} 35. Rd1 {[%emt 0:04:06]} Nc6 {[%emt 0:00:57]} 36. Nd4+ $2 {[%emt 0:04:10] [#]} (36. h4 {was worth a try.}) 36... Nxd4 {[%emt 0:00:30]} 37. Re1+ {[%emt 0:01:05]} Kd6 {[%emt 0:00:35]} 38. cxd4 {[%emt 0:00:46][%mdl 4096] Endgame KRR-KRR} Rc7 {[%emt 0:00:45]} (38... Rxd4 $2 {loses.} 39. Rhxe7 $19) 39. d5 {[%emt 0:01:48]} a5 {[%emt 0:01:27][%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} (39... Kxd5 $2 {is the wrong capture.} 40. Rg7 $19) 40. Re6+ {[%emt 0:00:53]} Kxd5 {[%emt 0:00:08]} 41. Rxb6 {[%emt 1:11:46]} Ra2 {[%emt 1:15:22]} (41... Rc1+ $142 42. Kf2 Rc2+ 43. Kg3 Rc3+ 44. Kf2 Ra2+ {[%mdl 64] Skewer} 45. Rb2 Rxb2+ 46. Kg1 Rc1#) 42. h3 {[%emt 0:00:00]} a4 {[%emt 0:00:00] [#] ...Rc1+ would be deadly.} 43. Kh2 {[%emt 0:00:00]} (43. Rb5+ $142 Kd6 44. Rb6+ Kd5 45. Rb5+ Kc4 46. Rb6) 43... Rcc2 {[%emt 0:00:00]} 44. Rxe7 {[%emt 0:00:00]} Rxg2+ {[%emt 0:00:00]} 45. Kh1 {[%emt 0:00:00]} Rgc2 {[%emt 0:00:00] ( -> ...Rc1+). Black is clearly winning.} 46. Re1 {[%emt 0:00:00] Against Rc1} Rf2 {[%emt 0:00:00]} (46... a3 $142 47. Rxf6 Rh2+ 48. Kg1 Rag2+ 49. Kf1 a2) 47. Kg1 {[%emt 0:00:00]} a3 {[%emt 0:00:00]} 48. Rb3 {[%emt 0:00:00]} Rg2+ {[%emt 0:00:00]} 49. Kh1 {[%emt 0:00:00]} Rgd2 {[%emt 0:00:00]} (49... Rh2+ $142 50. Kg1 Rag2+ 51. Kf1 Rb2) 50. Rc1 {[%emt 0:00:00]} Kd4 {[%emt 0:00:00]} (50... Rh2+ $142 51. Kg1 Rag2+ 52. Kf1 Rb2) 51. Kg1 {[%emt 0:00:00]} Rd3 {[%emt 0:00:00]} 52. Rb4+ {[%emt 0:00:00]} Ke3 {[%emt 0:00:00]} 53. Rg4 {[%emt 0:00:00]} Rb2 {[%emt 0:00:00] Weighted Error Value: White=0.81/Black=0.48} 0-1

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.24"]
[Round "1.3"]
[White "Grunewald, Peter"]
[Black "Ahlberg, Matthias"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1798"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,58,0,0,0,7,8,7,10,12,0,0,0,9,8,8,0,10,0,12,7,9,-8,0,-13,3,0,0,0,6,0,6,6,17,0,0,0,0,0,0,0,0,15,29,-39,-59,-34,-31,-135,-128,-233,-202]} 1. e4 {[%emt 0:00:05]} c6 {[%emt 0:00:05]} 2. d4 {[%emt 0:00:31]} d5 {[%emt 0:00:04]} 3. exd5 {[%emt 0:01:26]} cxd5 {[%emt 0:00:03]} 4. Nf3 {[%emt 0:01:08]} Nc6 {[%emt 0:00:10]} 5. Be2 {[%emt 0:00:28]} Bg4 {[%emt 0:01:10]} 6. O-O {[%emt 0:00:22] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Nf6 {[%emt 0:00:18]} 7. h3 {[%emt 0:01:29]} Bh5 {[%emt 0:00:21]} 8. c3 {[%emt 0:01:26] The position is equal.} e6 {[%emt 0:01:16]} 9. Ne5 {[%emt 0:07:12]} Bxe2 {[%emt 0:01:59]} 10. Qxe2 {[%emt 0:00:12]} Be7 {[%emt 0:02:23]} 11. Nd2 {[%emt 0:12:05]} O-O {[%emt 0:01:32] [#]} 12. Nb3 $146 {[%emt 0:09:42]} ({Predecessor:} 12. Ndf3 Ne4 13. Nh2 Nxe5 14. dxe5 Rc8 15. Be3 Bc5 16. Rad1 Qb6 17. Bxc5 Nxc5 18. Rd4 {1-0 Kiss,I (1825)-Ortiz,H (1582) CAN-ch Seniors 2010 (5)}) 12... a6 {[%emt 0:05:00]} 13. Bf4 {[%emt 0:04:05]} Rc8 {[%emt 0:06:42]} 14. Rfe1 {[%emt 0:07:06]} Ne4 {[%emt 0:02:55]} 15. f3 {[%emt 0:04:02]} Nf6 {[%emt 0:01:59]} 16. Bh2 {[%emt 0:01:46]} Na5 {[%emt 0:03:17]} 17. Nxa5 {[%emt 0:02:51]} Qxa5 {[%emt 0:00:06]} 18. a3 {[%emt 0:07:42]} Qb6 {[%emt 0:06:25]} 19. g4 {[%emt 0:05:18]} Rfd8 {[%emt 0:02:30]} 20. Bg3 {[%emt 0:07:49]} Ne8 {[%emt 0:04:02][%cal Bf6e8,Be8d6,Bd6c4][%mdl 32]} 21. Bf2 {[%emt 0:02:54]} Nd6 {[%emt 0:08:14]} 22. Rab1 {[%emt 0:01:47]} Bf6 {[%emt 0:05:10]} 23. Nd3 {[%emt 0:02:20]} Nc4 {[%emt 0:02:44]} 24. Ne5 {[%emt 0:05:30]} Na5 {[%emt 0:05:21]} 25. f4 {[%emt 0:04:41]} g6 {[%emt 0:04:36]} 26. b4 {[%emt 0:02:46]} (26. h4 $11) 26... Nc4 $15 {[%emt 0:00:57]} 27. Nxc4 {[%emt 0:00:05]} Rxc4 {[%emt 0:00:20]} 28. Qd2 {[%emt 0:04:37]} ({White has to play} 28. Qf3 $1 $15) 28... Rdc8 $17 {[%emt 0:00:38]} 29. Rbc1 {[%emt 0:00:38]} (29. Rec1 $17 {was called for.}) 29... Qc7 {[%emt 0:00:34] Weighted Error Value: White=0.19 (very precise) /Black=0.05 (flawless)} 0-1

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.24"]
[Round "1.4"]
[White "Postler, Reinhard"]
[Black "Windmueller, Werner"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2202"]
[BlackElo "1797"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,57,89,161,107,120,129,160,151,137,155,148,148,188,166,218,220,214,233,229,225,276,272,279,210,266,258,252,243,314,248,295,298,290,220,220,220,256,245,304,290,306,309,283,291,367,367,367,360,353,353]} 1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:16]} 2. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:00:19]} 3. d4 {[%emt 0:00:06]} Bg4 {[%emt 0:00:48]} 4. dxe5 {[%emt 0:00:26]} Bxf3 {[%emt 0:00:17]} 5. Qxf3 {[%emt 0:00:03]} Nc6 {[%emt 0:01:04]} (5... dxe5 $16 6. Qb3 Nd7) 6. exd6 {[%emt 0:03:30] C41: Philidor Defence.} (6. Qb3 $18) 6... Bxd6 $16 {[%emt 0:00:23] [#]} 7. Be3 $146 {[%emt 0:03:51]} ({Predecessor:} 7. Bc4 Nf6 8. O-O h6 9. Re1 Nd4 10. Qd3 c5 11. Bd2 Be5 12. f4 Bc7 13. Nc3 {1-0 Hutterer,V (975)-Schwarz,T (912) Styrian op U08/12 27th 2021 (8)}) 7... Qf6 {[%emt 0:02:28]} 8. Qxf6 {[%emt 0:01:30] White is clearly better.} Nxf6 {[%emt 0:00:40] [#]} 9. f3 {[%emt 0:00:18]} a6 {[%emt 0:02:20]} 10. Nd2 {[%emt 0:01:02]} Nb4 {[%emt 0:03:26]} 11. Kd1 {[%emt 0:02:14]} Rd8 {[%emt 0:01:34]} (11... Nd7 $142 12. c3 Nc6) 12. c3 $18 {[%emt 0:01:34]} Nc6 {[%emt 0:00:21]} 13. Kc2 {[%emt 0:00:44]} O-O {[%emt 0:03:09]} 14. Nc4 {[%emt 0:03:34]} b5 {[%emt 0:02:11]} 15. Nxd6 {[%emt 0:00:29]} cxd6 {[%emt 0:00:31]} 16. Bg5 {[%emt 0:00:56]} h6 {[%emt 0:01:47]} 17. Bxf6 {[%emt 0:00:25]} gxf6 {[%emt 0:00:19]} 18. Rd1 {[%emt 0:01:17]} Ne5 {[%emt 0:00:52]} 19. Be2 {[%emt 0:00:37]} Ng6 {[%emt 0:06:33]} 20. Rd2 {[%emt 0:00:58]} Nf4 {[%emt 0:00:53]} 21. g3 {[%emt 0:00:28]} Nxe2 {[%emt 0:00:35]} 22. Rxe2 {[%emt 0:00:01][%mdl 4096] Endgame KRR-KRR} Rfe8 {[%emt 0:00:56]} 23. Rd2 {[%emt 0:00:59]} Kf8 {[%emt 0:02:03]} 24. Rhd1 {[%emt 0:00:09]} Re6 {[%emt 0:02:17]} 25. Rd5 {[%emt 0:00:31]} Ke7 {[%emt 0:00:26] [#]} 26. a4 $1 {[%emt 0:00:36][%mdl 512]} Rb8 {[%emt 0:03:40]} (26... bxa4 27. Ra5) 27. axb5 {[%emt 0:00:26] White is winning.} axb5 {[%emt 0:00:23]} 28. R1d4 {[%emt 0:00:43]} Rb6 {[%emt 0:00:31]} 29. Rh5 {[%emt 0:01:26] Weighted Error Value: White=0.15 (very precise) /Black=0.32} 1-0

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.25"]
[Round "2.1"]
[White "Koehler, Gerhard"]
[Black "Schellknecht, Joerg"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2241"]
[BlackElo "1903"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,115,-3,17,-3,4,0,12,-16,-16,-45,-23,-17,-16,-23,0,0,0,-38,12,-22,16,-5,-12,0,12,14,11,4,120,125,159,13,20,13,20,24,28,21,36,36,36,-10,0,-15,-22,-41,-3,-50,-34,-38,0,-19,-20,-23,-25,-31,-9,-9,-16,-17,-12,-10,-15,-15,0,-65,-59,-78,-14,-8,-12,-87,-73,-98,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29981,29982,29982,29983,29983,29984]} 1. c4 {[%emt 0:00:01]} e6 {[%emt 0:00:10]} 2. Nc3 {[%emt 0:00:35]} Nf6 {[%emt 0:00:36]} 3. Nf3 {[%emt 0:00:35]} d5 {[%emt 0:00:27]} 4. e3 {[%emt 0:00:13]} c5 {[%emt 0:00:30]} 5. cxd5 {[%emt 0:00:27]} Nxd5 {[%emt 0:04:52]} 6. Be2 {[%emt 0:00:58] A17: English Opening: 1...Nf6 with ...Bb4.} Nc6 {[%emt 0:01:13]} 7. O-O {[%emt 0:00:27]} Be7 {[%emt 0:01:13]} 8. d3 {[%emt 0:01:53] The position is equal.} O-O {[%emt 0:00:24]} 9. Bd2 {[%emt 0:00:23]} b6 {[%emt 0:03:51]} 10. a3 {[%emt 0:00:26]} Bb7 {[%emt 0:00:18]} 11. Rb1 {[%emt 0:00:24] [#]} Bf6 $146 {[%emt 0:01:32]} ({Predecessor:} 11... e5 12. b4 cxb4 13. Nxd5 Qxd5 14. axb4 e4 15. dxe4 Qxe4 16. Qb3 {½-½ Marangunic,S (2460)-Horvath,T (2460) AUT-chT2S 9394 1993}) 12. Ne4 {[%emt 0:04:22]} Be7 {[%emt 0:03:23]} 13. Qa4 {[%emt 0:04:28]} f5 {[%emt 0:23:07]} ({Better is} 13... Qe8 $15) 14. Nc3 {[%emt 0:04:43]} Bf6 {[%emt 0:02:35]} 15. Rfc1 {[%emt 0:08:00]} Ne5 {[%emt 0:03:38][%cal Oe5d3]} 16. Ne1 {[%emt 0:02:34]} Qe8 {[%emt 0:02:12]} 17. Qxe8 {[%emt 0:00:37]} Rfxe8 {[%emt 0:02:22]} 18. b4 {[%emt 0:05:43]} Be7 {[%emt 0:05:46]} (18... cxb4 $11 19. Nxd5 Bxd5 20. Bxb4 Rac8) 19. bxc5 $16 {[%emt 0:02:39]} Bxc5 {[%emt 0:07:27]} 20. Nb5 {[%emt 0:04:57]} (20. Nxd5 $1 $16 Bxd5 21. d4 Bxa3 22. Rc3 (22. dxe5 Bxc1 23. Bxc1 Rec8 $14)) 20... a6 $11 {[%emt 0:06:47]} 21. d4 {[%emt 0:09:24]} axb5 {[%emt 0:03:44]} 22. dxc5 {[%emt 0:00:20]} bxc5 {[%emt 0:01:36]} 23. Bxb5 {[%emt 0:01:24]} Re7 {[%emt 0:04:04]} 24. a4 {[%emt 0:00:49]} Rc7 {[%emt 0:00:26]} 25. Rb2 {[%emt 0:02:35]} (25. Nf3 $14 Nf7 26. h3) 25... Ba6 {[%emt 0:03:17]} 26. f3 {[%emt 0:05:02]} Bxb5 {[%emt 0:04:13]} 27. axb5 {[%emt 0:00:21]} Nd7 {[%emt 0:01:17]} (27... c4 $5 {[%cal Rc4c3]} 28. b6 Rb7 $15) 28. Kf2 {[%emt 0:11:12]} (28. Nd3 $11 {deserves consideration.}) 28... Kf7 {[%emt 0:00:27]} 29. Ke2 {[%emt 0:02:11]} g6 {[%emt 0:00:40]} 30. Rc4 {[%emt 0:04:05]} N5b6 {[%emt 0:02:45] A dynamic duo of knights.} 31. Rc1 {[%emt 0:01:52]} Ra3 {[%emt 0:01:40]} 32. e4 {[%emt 0:04:00]} e5 {[%emt 0:03:34]} 33. Nc2 {[%emt 0:05:23]} Ra4 {[%emt 0:00:20]} 34. exf5 {[%emt 0:00:51]} gxf5 {[%emt 0:00:03]} 35. Ne3 {[%emt 0:00:17] Repels Nc4} Ke6 {[%emt 0:01:28]} 36. Rbc2 {[%emt 0:02:20]} c4 {[%emt 0:01:43]} 37. Bc3 {[%emt 0:02:10]} (37. Nd1 $11) 37... Nc5 $15 {[%emt 0:02:33]} 38. Rd1 {[%emt 0:01:23][%cal Oe3f5]} Rd7 {[%emt 0:00:39]} ({Black should try} 38... f4 $17 39. Ng4 Nd3) 39. Rxd7 $11 {[%emt 0:01:43]} Ncxd7 {[%emt 0:00:10]} 40. g4 {[%emt 0:01:30] [#]} (40. g3 $11 {remains equal.}) 40... f4 $1 $17 {[%emt 0:00:22]} 41. Nd1 {[%emt 0:31:34]} Ra3 {[%emt 0:31:10]} (41... Nc5 $17 42. Kf1 Nd5) 42. Bb4 $132 {[%emt 0:03:34][%mdl 2048] White is fighting back} Rb3 {[%emt 0:00:10]} 43. Rb2 {[%emt 0:00:55]} Nd5 {[%emt 0:00:00]} 44. Rxb3 {[%emt 0:00:00]} cxb3 {[%emt 0:00:00][%mdl 4096] Endgame KBN-KNN} 45. Ba3 {[%emt 0:00:00]} N7b6 {[%emt 0:00:00]} (45... Nc7 $5 46. Nc3 $8 Nd5 $11) 46. Kd3 {[%emt 0:00:00] Wards off Nc4} Nc7 {[%emt 0:00:00]} 47. Nc3 {[%emt 0:00:00]} Nbd5 {[%emt 0:00:00]} 48. Nxd5 {[%emt 0:00:00]} Nxb5 {[%emt 0:00:49]} 49. Nxf4+ {[%emt 0:00:00]} exf4 {[%emt 0:00:01] KB-KN} 50. Bb2 {[%emt 0:00:00] Kc4 is the strong threat.} Kd5 {[%emt 0:00:21]} 51. h4 {[%emt 0:00:00]} Nd6 {[%emt 0:02:14]} 52. Bc1 {[%emt 0:00:00]} Nc4 {[%emt 0:00:41] ...b2 would be deadly.} 53. Bxf4 {[%emt 0:00:00]} b2 {[%emt 0:01:30]} 54. Kc2 {[%emt 0:00:00]} Kd4 {[%emt 0:00:17]} 55. h5 {[%emt 0:00:00] Hoping for g5.} Ne5 $2 {[%emt 0:02:41][%mdl 8192]} (55... Kd5 $11) 56. Bxe5+ {[%emt 0:00:00] White mates.} (56. Kxb2 Nd3+ 57. Kc2 Nxf4 $19) 56... Kxe5 {[%emt 0:00:00]} 57. g5 {[%emt 0:00:00]} Kf5 {[%emt 0:00:02] [#]} 58. f4 $1 {[%emt 0:00:00][%mdl 64] Promotion.   Weighted Error Value: White=0.15 (very precise) /Black=0.29 (precise)} ({Not} 58. Kxb2 Kxg5 59. Kc2 Kxh5 $11) 1-0

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.25"]
[Round "2.2"]
[White "Rollwitz, Juergen"]
[Black "Hess, Christian"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1901"]
[BlackElo "2215"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 12,82,0,-7,23,8,3,0,0,-7,-2,-31,-29,-29,-29,-40,-23,-37,-35,-41,-40,-41,-37,-62,-42,-52,-47,-76,-78,-74,-51,-41,-41,-163,-165,-166,-131,-133,-126,-142,-135,-149,-149,-149,-149,-199,-197,-253,-252,-260,-255,-230,-219,-209,-204,-206,-200,-220,-216,-264,-264,-252,-252,-315,-313,-428,-422,-402,-372,-457,-445,-789,-714]} 1. e4 {[%emt 0:00:11]} e6 {[%emt 0:00:33]} 2. d4 {[%emt 0:02:06]} d5 {[%emt 0:00:12]} 3. exd5 {[%emt 0:01:23]} exd5 {[%emt 0:00:16]} 4. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:38]} 5. Be2 {[%emt 0:00:36]} Bd6 {[%emt 0:01:25]} 6. O-O {[%emt 0:01:31]} O-O {[%emt 0:00:33]} 7. Bg5 {[%emt 0:00:22]} Nbd7 {[%emt 0:04:04] C01: French: Exchange Variation.} 8. Nbd2 {[%emt 0:00:14]} c6 {[%emt 0:07:01]} 9. c3 {[%emt 0:01:04]} Qc7 {[%emt 0:15:12] [#] The position is equal.} 10. Bh4 $146 {[%emt 0:01:59]} ({Predecessor:} 10. h3 h6 11. Be3 Ne4 12. Bd3 Ndf6 13. Qc2 Re8 14. Rae1 Bd7 15. b3 Rad8 16. c4 {0-1 Weidenhoefer,R (1392)-Schanz,K (1818) Mittelfranken-ch QT 55th 2006 (1)}) 10... Ne4 {[%emt 0:07:35]} 11. Bg3 {[%emt 0:00:39]} (11. Qc2 $5 {[%cal Rd2e4]}) 11... Nxg3 {[%emt 0:04:29]} 12. hxg3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:44]} 13. Re1 {[%emt 0:01:32]} Bd7 {[%emt 0:13:14]} 14. Bd3 {[%emt 0:02:02]} Rae8 {[%emt 0:02:49]} 15. Nf1 {[%emt 0:01:35]} Rxe1 {[%emt 0:02:34]} 16. Qxe1 {[%emt 0:00:14]} Re8 {[%emt 0:00:08]} 17. Qb1 {[%emt 0:02:11]} g6 {[%emt 0:08:21] Black is more active.} 18. Qc2 {[%emt 0:00:16]} c5 {[%emt 0:02:00]} 19. Re1 {[%emt 0:01:07]} Rxe1 {[%emt 0:00:13]} 20. Nxe1 {[%emt 0:00:19]} cxd4 {[%emt 0:01:25]} 21. cxd4 {[%emt 0:00:23]} Qa5 {[%emt 0:02:08][%csl LRa2,LRe1]} 22. Nf3 {[%emt 0:00:28]} (22. Qb1 $15) 22... Qxa2 $19 {[%emt 0:01:17]} 23. Ne5 {[%emt 0:00:47]} Qa4 {[%emt 0:05:29]} 24. Nxd7 {[%emt 0:00:39]} Qxd7 {[%emt 0:00:09]} 25. Ne3 {[%emt 0:00:42]} Bc7 {[%emt 0:01:52]} 26. Be2 {[%emt 0:01:52]} Bb6 {[%emt 0:01:08]} 27. Qd3 {[%emt 0:00:34]} Qa4 {[%emt 0:00:52]} 28. Nc2 {[%emt 0:00:36]} (28. Bf3 $17) 28... Qa2 {[%emt 0:01:09]} 29. b3 {[%emt 0:00:51]} (29. b4 {keeps fighting.}) 29... Qb1+ {[%emt 0:01:44]} 30. Bd1 {[%emt 0:01:07]} Ne4 {[%emt 0:03:05]} 31. Nb4 {[%emt 0:14:13]} Qxd3 {[%emt 0:02:41]} 32. Nxd3 {[%emt 0:00:28]} Bxd4 {[%emt 0:00:11][%mdl 4096] Endgame KBN-KBN} 33. Kf1 {[%emt 0:00:20]} Kg7 {[%emt 0:00:30]} 34. Ke1 {[%emt 0:00:17]} h5 {[%emt 0:02:56][%cal Bh7h5,Bh5h4][%mdl 32]} 35. Bf3 {[%emt 0:00:10]} Kf6 {[%emt 0:02:26]} 36. g4 {[%emt 0:00:51]} h4 {[%emt 0:00:58]} 37. Ke2 {[%emt 0:01:13]} a5 {[%emt 0:00:27][%cal Ba7a5,Ba5a4][%mdl 32]} 38. Nf4 {[%emt 0:02:08]} Ke5 {[%emt 0:01:46]} (38... Nxf2 $2 {too greedy.} 39. Nxd5+ Kg5 40. Nc7 $19) (38... Bxf2 $2 39. Nxd5+ (39. Bxe4 $2 dxe4 40. Kxf2 Kg5 $19) 39... Ke5 40. Nc7 $19) 39. Nd3+ {[%emt 0:00:10]} Kd6 {[%emt 0:00:26] [#] Hoping for ...Ng5.} 40. Ke1 {[%emt 0:00:49]} b5 {[%emt 0:01:56]} 41. Ke2 {[%emt 0:31:45]} (41. Bd1 $142) 41... a4 {[%emt 0:32:19] Weighted Error Value: White=0.36/Black=0.05 (flawless)} 0-1

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.25"]
[Round "2.3"]
[White "Ahlberg, Matthias"]
[Black "Jaeger, Andre"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2207"]
[BlackElo "1898"]
[Annotator "TA"]
[PlyCount "192"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 10,192,18,15,16,0,0,0,6,-18,-16,-23,-22,-40,-11,-13,32,45,66,44,99,102,103,51,62,11,15,13,18,10,11,-10,-19,-13,-19,-28,0,-6,-19,-23,14,-34,129,132,165,148,382,56,56,45,164,164,164,164,164,164,164,120,474,152,164,164,164,164,164,164,164,164,164,164,164,164,164,85,85,85,85,85,85,66,73,0,65,22,66,10,85,85,85,79,266,79,259,252,319,67,73,36,120,57,73,33,79,79,79,79,79,78,78,78,78,78,145,113,129,79,91,79,79,78,78,78,78,78,78,78,78,78,78,78,79,0,79,79,118,79,79,0,79,78,79,79,79,78,79,78,78,78,78,78,78,78,78,30,30,0,78,0,30,0,78,78,78,78,78,78,78,78,78,78,78,78,78,78,78,0,78,0,78,0,0,0,78,8,78]} 1. e4 {[%emt 0:05:02]} c5 {[%emt 0:00:03]} 2. Nc3 {[%emt 0:00:08]} e6 {[%emt 0:00:07]} 3. Nf3 {[%emt 0:00:12]} a6 {[%emt 0:00:08]} 4. g3 {[%emt 0:00:39]} b5 {[%emt 0:00:38]} 5. Bg2 {[%emt 0:02:45]} Bb7 {[%emt 0:02:25]} 6. d3 {[%emt 0:02:02]} d6 {[%emt 0:02:41] B40: Sicilian: 2...e6, Unusual lines.} 7. Be3 {[%emt 0:00:29]} Nd7 {[%emt 0:02:58]} 8. O-O {[%emt 0:02:04]} Be7 {[%emt 0:05:21]} 9. h3 {[%emt 0:01:11]} Qc7 {[%emt 0:09:39]} 10. Nh2 {[%emt 0:05:42]} Ngf6 {[%emt 0:05:51]} 11. f4 {[%emt 0:07:39] [#]} g6 $146 {[%emt 0:02:03]} (11... d5 $5 {[%cal Rd5d4]} 12. e5 d4 13. Bxb7 (13. exf6 Nxf6 14. Bxb7 Qxb7 $11) 13... Qxb7 14. exf6 Nxf6 $11) ({Predecessor:} 11... b4 12. Ne2 Nb6 13. b3 d5 14. e5 Nfd7 15. d4 cxd4 16. Nxd4 Bc5 17. Nhf3 g6 {0-1 Saraos,C (1742)-Quizon,D (2035) PHI-ch U10 San Antonio 2014 (7)}) 12. g4 {[%emt 0:04:58][%cal Bg3g4,Bg4g5][%mdl 32]} h5 {[%emt 0:03:52]} 13. g5 {[%emt 0:01:21]} Ng8 {[%emt 0:02:40]} 14. d4 {[%emt 0:04:11]} cxd4 {[%emt 0:05:18]} (14... Rc8 $14) 15. Qxd4 $16 {[%emt 0:03:51]} Rh7 {[%emt 0:07:05]} 16. Qd2 {[%emt 0:04:49]} (16. Rf2 $16) 16... Nb6 {[%emt 0:07:43]} 17. b3 {[%emt 0:09:23] Prevents Nc4} (17. Bxb6 $14 Qxb6+ 18. Kh1) 17... Rc8 $11 {[%emt 0:00:57]} 18. Nd1 {[%emt 0:02:04]} d5 {[%emt 0:03:27]} 19. e5 {[%emt 0:08:30]} Bc5 {[%emt 0:00:21][%cal Od5d4]} 20. Rc1 {[%emt 0:01:42]} Ne7 {[%emt 0:01:04][%cal Bg8e7,Be7f5,Bf5e3][%mdl 32]} 21. Nf3 {[%emt 0:05:42]} Nf5 {[%emt 0:00:59]} 22. c3 {[%emt 0:04:07][%cal Bc2c3,Bc3d4,Bd4c5][%mdl 32]} Rh8 {[%emt 0:06:17]} 23. Nd4 {[%emt 0:01:47]} Nxe3 {[%emt 0:08:10]} 24. Nxe3 {[%emt 0:00:22]} Ke7 {[%emt 0:01:55]} (24... Kf8 {simplifies} 25. Kh1 Kg8 26. Rc2 Nd7) 25. Rc2 {[%emt 0:01:33]} (25. Kh1 $11 {is superior.}) 25... Bxd4 $2 {[%emt 0:02:36]} (25... Rhe8 $15 {stays ahead.}) 26. cxd4 $16 {[%emt 0:02:37]} Qb8 {[%emt 0:00:02]} 27. Qb4+ {[%emt 0:01:04]} Kd7 $2 {[%emt 0:00:29]} (27... Kd8 $16 28. Rfc1 Rxc2 29. Rxc2 Nd7) 28. Rc5 $2 {[%emt 0:01:53]} (28. f5 $18 {Intending fxe6+ and mate.} gxf5 29. Rcf2) 28... Rxc5 $1 $14 {[%emt 0:02:26]} 29. dxc5 {[%emt 0:00:37]} Na8 {[%emt 0:00:54] Black is weak on the dark squares} (29... Nc8 $14) 30. Nc2 $18 {[%emt 0:00:56]} Rc8 {[%emt 0:01:47]} 31. Nd4 {[%emt 0:01:11]} Bc6 {[%emt 0:00:55]} 32. Qa3 {[%emt 0:03:21]} Nc7 {[%emt 0:04:13]} 33. b4 {[%emt 0:00:55]} Qa7 $2 {[%emt 0:00:18][%mdl 8192]} (33... a5 $16 {is more resistant.}) 34. Nb3 $2 {[%emt 0:01:45]} (34. Qd3 $18 {[%cal Of4f5]} Qa8 35. f5 gxf5 36. Rxf5) 34... Ra8 {[%emt 0:02:15]} 35. Rd1 {[%emt 0:01:25]} Ne8 {[%emt 0:01:51]} 36. Na5 {[%emt 0:04:13]} Nc7 {[%emt 0:00:24]} 37. Qd3 {[%emt 0:01:20]} Rc8 {[%emt 0:03:02]} 38. h4 {[%emt 0:01:59]} Qa8 {[%emt 0:00:29]} 39. Qd4 {[%emt 0:00:40]} Ne8 {[%emt 0:01:17]} 40. Bf1 {[%emt 0:01:28]} Ng7 {[%emt 0:00:48]} 41. Qf2 {[%emt 0:30:49]} (41. Bd3 $18) 41... Nf5 $16 {[%emt 0:30:47]} 42. Bd3 {[%emt 0:00:34]} Ne7 {[%emt 0:00:26]} 43. Bc2 {[%emt 0:00:24]} Ke8 {[%emt 0:00:47]} 44. Nb3 {[%emt 0:01:05]} Rd8 {[%emt 0:00:00][%cal Od5d4]} 45. Rd4 {[%emt 0:00:00]} (45. a3 $16) 45... Qb7 {[%emt 0:00:00]} (45... Bd7 $1 $11) 46. Qd2 {[%emt 0:00:00]} Qc7 {[%emt 0:06:02]} 47. Rd3 {[%emt 0:00:00]} ({Better is} 47. a3 $14) 47... Nf5 {[%emt 0:00:00]} (47... Bd7 $1 $11) 48. Rh3 $36 {[%emt 0:00:00][%mdl 2048] Black must now prevent Bxf5. Keeping Black busy.} Ne7 {[%emt 0:00:00][%cal Od5d4]} 49. Nd4 {[%emt 0:00:00]} Qd7 $2 {[%emt 0:00:00]} (49... Kf8 $16 {is a better defense.}) 50. Bd3 $2 {[%emt 0:00:00]} (50. f5 $18 gxf5 51. Bd1) 50... Ra8 $2 {[%emt 0:00:00]} (50... Qc7 $16 {keeps fighting.}) 51. Qe2 {[%emt 0:00:00][%cal Of4f5]} Kf8 {[%emt 0:00:00]} 52. Kf2 $2 {[%emt 0:00:00]} (52. f5 $1 $18 {[%cal Rf5e6]} exf5 53. e6) 52... Kg7 {[%emt 0:00:00]} 53. Rh1 {[%emt 0:00:00][%cal Of4f5]} Ra7 {[%emt 0:00:00]} (53... Bb7 $14) 54. Rb1 {[%emt 0:00:00] White is much more active.} (54. f5 $1 $16 {[%cal Rf5f6] f6+ would be deadly.} exf5 55. Kg2 (55. e6 Qc7 $11)) 54... Ra8 {[%emt 0:00:00]} 55. Rb3 {[%emt 0:00:00]} (55. a3 {seems wilder.} Bb7 56. Kg3 Nc6 57. Nf3) 55... Kg8 {[%emt 0:00:00]} (55... a5 $14) 56. Ra3 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 57. Ra5 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 58. Ke3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 59. Nxc6 {[%emt 0:00:00]} Qxc6 {[%emt 0:00:00]} 60. Kd4 $1 {[%emt 0:00:00]} Kf8 {[%emt 0:00:00]} (60... Bc8 $142) 61. Qc2 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 62. Qd1 {[%emt 0:00:00]} (62. a4 $142 {[%cal Ra4b5]} bxa4 63. Qxa4) 62... Rb8 {[%emt 0:00:00]} 63. Bc2 {[%emt 0:00:00]} Bc8 {[%emt 0:08:30]} 64. Qa1 {[%emt 0:00:00]} Bd7 {[%emt 0:00:00]} 65. Qb2 {[%emt 0:00:00]} Qb7 {[%emt 0:00:00]} 66. Qa3 {[%emt 0:00:00] The board is on fire.} Ra8 {[%emt 0:00:00]} 67. Qc3 {[%emt 0:01:40]} Rb8 {[%emt 0:00:00]} 68. Bd1 {[%emt 0:01:00]} Bc6 {[%emt 0:00:00]} 69. Qe3 {[%emt 0:01:50]} Bd7 {[%emt 0:00:00]} 70. Kc3 {[%emt 0:00:24]} (70. Bf3 $16) 70... Bc6 {[%emt 0:00:00]} (70... d4+ $1 $11 71. Qxd4 (71. Kxd4 $2 Qd5+ {[%mdl 64] Skewer} 72. Kc3 Qxd1 $19) 71... Bc8) 71. Qd4 {[%emt 0:00:07]} Bd7 {[%emt 0:00:00]} 72. Be2 {[%emt 0:00:19]} Bc6 {[%emt 0:04:30]} 73. Qd1 {[%emt 0:01:58]} ({White should play} 73. Kb3 $16) 73... Kf8 {[%emt 0:00:00]} (73... d4+ $1 $11 74. Qxd4 (74. Kxd4 $2 {too greedy.} Rd8+ {[%mdl 64] Skewer} 75. Kc3 Rxd1 $19) 74... Ra8) 74. Kd4 {[%emt 0:00:45][%cal Oe2h5]} Ke7 {[%emt 0:00:00]} 75. Ra3 {[%emt 0:01:37]} Ra8 {[%emt 0:00:00]} 76. Qd2 {[%emt 0:02:45]} Kf8 {[%emt 0:00:00]} 77. Bd3 {[%emt 0:00:12]} Ke7 {[%emt 0:02:30]} 78. Qc2 {[%emt 0:00:56][%cal Od3g6] Hoping for Bxg6!} Kf8 {[%emt 0:00:00]} 79. Qb1 {[%emt 0:00:56]} Kg7 {[%emt 0:00:00]} 80. Bc2 {[%emt 0:00:34]} Bd7 {[%emt 0:00:00]} 81. Rc3 {[%emt 0:01:35]} (81. Ra5 $16) 81... Bc6 {[%emt 0:00:00]} 82. Rf3 {[%emt 0:01:20]} Bd7 {[%emt 0:00:00] [#]} (82... a5 $11) 83. Qf1 {[%emt 0:00:23]} ({White should try} 83. Ra3 $1 $16) 83... Qc6 {[%emt 0:00:00]} 84. Qb1 {[%emt 0:00:41]} (84. Bb3 $11 {feels stronger.}) 84... Qb7 {[%emt 0:00:00] [#]} 85. Ra3 $1 {[%emt 0:00:25]} Bc6 {[%emt 0:00:00]} 86. Ra5 {[%emt 0:00:41]} Rb8 {[%emt 0:00:00]} 87. Bd3 {[%emt 0:00:55]} Ra8 {[%emt 0:00:00]} 88. Qc2 {[%emt 0:00:41]} Kf8 {[%emt 0:00:00]} 89. Ra3 {[%emt 0:00:00]} Kg7 {[%emt 0:06:00]} 90. Qe2 {[%emt 0:00:48]} Bd7 {[%emt 0:00:00]} 91. Ra5 {[%emt 0:00:36]} Bc6 {[%emt 0:00:00]} 92. Kc3 {[%emt 0:00:50]} (92. Qf2 $16) 92... Rb8 {[%emt 0:00:00]} (92... d4+ $11 {remains equal.} 93. Kb2 Rd8) 93. Qc2 {[%emt 0:00:16]} (93. Qf2 $16) 93... Bd7 {[%emt 0:00:00]} (93... d4+ $11 94. Kb2 Rd8) 94. Qb1 {[%emt 0:00:13]} (94. Qf2 $16) 94... Ra8 {[%emt 0:00:00][%cal Od5d4]} 95. Qf1 {[%emt 0:00:31]} Rb8 {[%emt 0:00:00]} (95... d4+ $1 $11 {keeps the balance.} 96. Kxd4 Qd5+ 97. Kc3 Bc6) 96. Bc2 {[%emt 0:01:14]} (96. Qg1 $16) 96... Bc6 {[%emt 0:00:00] Weighted Error Value: White=0.39/Black=0.39} (96... d4+ $1 $11 97. Kxd4 Bc6) 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.25"]
[Round "2.4"]
[White "Taeubert, Peter"]
[Black "Postler, Reinhard"]
[Result "0-1"]
[ECO "D12"]
[BlackElo "2202"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 15,72,-44,-41,-35,-31,-40,-38,-56,-46,-68,-58,-56,-45,-64,-10,-46,-8,-35,-19,-47,0,0,3,-4,-14,-37,33,25,20,9,30,30,52,0,0,0,18,-37,0,-50,0,0,0,0,44,-62,-19,-377,-386,-369,-366,-387,-382,-368,-379,-517,-506,-480,-426]} 1. c4 {[%emt 0:00:30]} e6 {[%emt 0:00:05]} 2. Nc3 {[%emt 0:01:11]} d5 {[%emt 0:00:08]} 3. cxd5 {[%emt 0:02:01]} exd5 {[%emt 0:00:03]} 4. d4 {[%emt 0:00:25]} c6 {[%emt 0:00:13]} 5. Nf3 {[%emt 0:01:00]} Bf5 {[%emt 0:00:18]} 6. e3 {[%emt 0:01:48]} Nf6 {[%emt 0:00:16]} 7. Bd3 {[%emt 0:03:59]} Bxd3 {[%emt 0:00:36]} 8. Qxd3 {[%emt 0:00:08]} Bd6 {[%emt 0:00:06]} 9. O-O {[%emt 0:01:23] D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} O-O {[%emt 0:00:47]} 10. Bd2 {[%emt 0:08:15]} Re8 {[%emt 0:00:20]} 11. Rfb1 {[%emt 0:02:47] [#] Black is slightly better.} a5 $146 {[%emt 0:03:29]} ({Predecessor:} 11... Nbd7 12. b4 Qc7 13. b5 Nb6 14. Rc1 Nc4 15. h3 Ne4 16. Nxe4 Rxe4 17. Rxc4 dxc4 18. Qxe4 cxb5 {1-0 Dang,B-Shields,S Wch U14 Girls 1998 (5)}) 12. a4 {[%emt 0:11:02]} Nbd7 {[%emt 0:08:18]} 13. Qc2 {[%emt 0:09:01]} Ne4 {[%emt 0:01:55]} 14. Be1 {[%emt 0:07:34]} Ndf6 {[%emt 0:17:06] Black has more active pieces. The white rooks are badly placed.} (14... Ng5 $15 15. Qe2 Nxf3+ {[%mdl 64] Remove Defender} 16. Qxf3 Nf8) 15. h3 {[%emt 0:00:17]} Re6 {[%emt 0:07:56]} 16. Ne2 {[%emt 0:07:54]} g5 {[%emt 0:05:56]} 17. Nh2 {[%emt 0:05:09]} Bb4 {[%emt 0:06:07]} (17... Qc7 $15 18. Nf1 g4) 18. Bxb4 $11 {[%emt 0:07:00]} axb4 {[%emt 0:00:14]} 19. f3 {[%emt 0:01:01]} Nd6 {[%emt 0:00:24] Black wants to play ...Nh5.} 20. Nf1 {[%emt 0:01:24]} b6 {[%emt 0:07:11]} (20... Nfe8 $15) 21. b3 $14 {[%emt 0:04:08]} (21. Qxc6 $2 {perishes.} Rc8 22. Rc1 Rxc6 $19) 21... Rc8 {[%emt 0:04:52]} 22. Qd2 {[%emt 0:02:37]} c5 {[%emt 0:02:33]} 23. Rc1 {[%emt 0:06:29]} Nb7 {[%emt 0:04:01]} 24. Rc2 {[%emt 0:00:23]} (24. Neg3 $14) 24... Na5 $11 {[%emt 0:01:05]} 25. Rb1 {[%emt 0:00:06]} h6 {[%emt 0:06:18]} 26. Kf2 {[%emt 0:00:03]} (26. Nfg3 $11) 26... Rec6 {[%emt 0:01:35]} 27. Nc1 {[%emt 0:00:52]} ({White should try} 27. Neg3 $11) 27... cxd4 {[%emt 0:00:53]} (27... Qd6 $15) 28. Rxc6 {[%emt 0:00:30]} dxe3+ {[%emt 0:01:08]} 29. Nxe3 {[%emt 0:00:03]} Rxc6 {[%emt 0:00:33]} 30. Nd3 {[%emt 0:04:32]} (30. Ne2 $14) 30... Nc4 {[%emt 0:03:51]} 31. Nxc4 {[%emt 0:07:16][%mdl 8192] [#] This costs White the game.} (31. bxc4 $11 dxc4 32. Qc2 Qxd3 33. Qxd3 cxd3 34. Rxb4) 31... dxc4 $19 {[%emt 0:00:10]} 32. bxc4 {[%emt 0:00:25]} Rxc4 {[%emt 0:00:11]} 33. Qe2 {[%emt 0:00:51]} Qd4+ {[%emt 0:04:25]} 34. Kf1 {[%emt 0:00:49]} Rc3 {[%emt 0:02:45]} 35. Nxb4 {[%emt 0:01:08]} Nh5 {[%emt 0:00:05] [#] Threatens to win with ...Ng3+. White is weak on the dark squares} 36. Qe1 {[%emt 0:02:00] Against Ng3+} Nf4 {[%emt 0:07:07] Repels Nd5.   Weighted Error Value: White=0.42/Black=0.21 (precise)} 0-1

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.26"]
[Round "3.1"]
[White "Jandke, Manfred"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2061"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 14,40,54,58,47,51,52,51,41,43,65,56,113,108,128,95,106,97,97,96,94,103,109,97,100,56,63,62,31]} 1. c4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:10]} 2. g3 {[%emt 0:00:07]} g6 {[%emt 0:00:17]} 3. Bg2 {[%emt 0:00:14]} Bg7 {[%emt 0:00:08]} 4. Nf3 {[%emt 0:00:21]} O-O {[%emt 0:00:20]} 5. d4 {[%emt 0:00:18]} d6 {[%emt 0:00:14]} 6. O-O {[%emt 0:00:11]} Nc6 {[%emt 0:00:11]} 7. b3 {[%emt 0:00:52]} a6 {[%emt 0:05:42]} 8. Bb2 {[%emt 0:02:30]} Rb8 {[%emt 0:00:21] E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} 9. Qc1 {[%emt 0:04:36]} Bd7 {[%emt 0:02:07]} 10. Rd1 {[%emt 0:02:06] [#]} Qc8 $146 {[%emt 0:04:13]} ({Predecessor:} 10... b5 11. d5 Na5 12. c5 dxc5 13. Qxc5 Nc4 14. Bd4 Ne4 15. Qb4 e5 16. Ba7 a5 {1-0 Dreev,A (2657)-Eminov,O (2291) TUR-chT 1st League 2018 (8.1)}) 11. d5 {[%emt 0:06:23]} Na7 {[%emt 0:01:02]} 12. e4 {[%emt 0:04:29][%cal Be2e4,Be4e5][%mdl 32]} c5 {[%emt 0:05:10]} (12... e5 $14) 13. e5 $16 {[%emt 0:04:07]} Ne8 {[%emt 0:05:35]} 14. a4 {[%emt 0:13:52]} Bg4 {[%emt 0:08:07]} 15. Re1 {[%emt 0:06:00]} Bxf3 {[%emt 0:17:56]} 16. Bxf3 {[%emt 0:00:16]} dxe5 {[%emt 0:00:44]} 17. Bxe5 {[%emt 0:03:35]} Bxe5 {[%emt 0:00:15]} 18. Rxe5 {[%emt 0:00:16]} Qc7 {[%emt 0:00:07]} 19. Qe3 {[%emt 0:01:45]} Nc8 {[%emt 0:00:37]} 20. Nc3 {[%emt 0:05:47][%cal Od5d6] White is more active.} Ned6 {[%emt 0:47:14] Weighted Error Value: White=0.09 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.26"]
[Round "3.2"]
[White "Hess, Christian"]
[Black "Wolf, Christian"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2215"]
[BlackElo "2083"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 22,79,8,12,22,6,10,3,5,0,0,0,12,0,0,0,0,-19,0,0,21,0,234,238,233,165,250,91,91,80,77,13,13,-17,-15,-10,-16,-18,8,0,22,4,233,0,77,-485,-450,-426,-90,-100,-28,-98,-91,-83,-21,-83,-20,-20,-21,-22]} 1. Nf3 {[%emt 0:00:07]} d5 {[%emt 0:00:14]} 2. e3 {[%emt 0:00:23]} Nf6 {[%emt 0:00:52]} 3. c4 {[%emt 0:00:26]} e6 {[%emt 0:00:43]} 4. d4 {[%emt 0:00:30]} Nbd7 {[%emt 0:04:37]} 5. Nbd2 {[%emt 0:04:32]} Be7 {[%emt 0:04:34]} 6. b3 {[%emt 0:02:01]} b6 {[%emt 0:02:06]} 7. Bb2 {[%emt 0:04:47]} Bb7 {[%emt 0:00:56]} 8. Bd3 {[%emt 0:00:38]} dxc4 {[%emt 0:04:21]} 9. bxc4 {[%emt 0:03:28]} c5 {[%emt 0:00:37]} 10. O-O {[%emt 0:00:47]} O-O {[%emt 0:02:25]} 11. Qe2 {[%emt 0:01:41]} cxd4 {[%emt 0:04:31]} 12. exd4 {[%emt 0:00:10]} Re8 {[%emt 0:00:38] D30: Queen's Gambit Declined: Systems without Nc3.} 13. Rad1 {[%emt 0:09:56]} Qc7 {[%emt 0:02:52]} 14. Rfe1 {[%emt 0:05:36]} Rad8 {[%emt 0:06:56] [#]} 15. Rc1 $146 {[%emt 0:07:50]} ({Predecessor:} 15. h3 Nh5 16. Bb1 Nf4 17. Qf1 Nf6 18. Re3 Bd6 19. g3 {½-½ Shaposhnikov,E (2550)-Pashikian,A (2525) Saratov Aratovsky Memorial 6th 2006 (7)}) 15... Qf4 {[%emt 0:10:35]} 16. h3 {[%emt 0:07:00]} Bb4 {[%emt 0:02:57][%cal Oe6e5] aiming for ...e5!} 17. Red1 {[%emt 0:01:25]} Qb8 {[%emt 0:06:29]} 18. Rb1 {[%emt 0:06:20]} Qa8 {[%emt 0:01:13]} 19. Qf1 {[%emt 0:05:36]} Bd6 {[%emt 0:02:16]} (19... Nh5 {simplifies} 20. Bc1 Bxd2 21. Nxd2 Bxg2 22. Bxh7+ Kxh7 23. Qxg2 Qxg2+ 24. Kxg2 Nf4+) 20. Re1 {[%emt 0:02:54]} Nh5 {[%emt 0:07:49]} 21. Ng5 {[%emt 0:06:07]} (21. Be4 {simplifies} Nhf6 22. Bxb7 Qxb7 23. Qe2) 21... Nf4 $2 {[%emt 0:03:26]} (21... Ndf6 $11) 22. Bxh7+ $18 {[%emt 0:00:49]} (22. Nxh7 $2 Bxg2 23. Be4 Bxf1 $19) 22... Kf8 {[%emt 0:03:24][%cal Rb7g2]} 23. Be4 {[%emt 0:02:59] Threatens to win with g3.} e5 {[%emt 0:03:44] [#]} (23... Nf6 $142) 24. c5 $2 {[%emt 0:04:32]} Be7 $16 {[%emt 0:01:41]} 25. Bxb7 {[%emt 0:05:44]} (25. Ndf3 {feels hotter.} Bxe4 26. Rxe4 Bxg5 27. Nxg5 f6 28. Qc4) 25... Qxb7 {[%emt 0:00:03]} 26. Nde4 {[%emt 0:02:47]} (26. Ndf3 $1 $16) 26... exd4 $1 $11 {[%emt 0:03:35]} 27. Bxd4 {[%emt 0:09:30]} (27. g3 $5 {[%cal Rg3f4]} Ne6 28. Nxe6+ fxe6 29. cxb6 $16 (29. Bxd4 e5 $11)) 27... Bxg5 {[%emt 0:02:32]} 28. Nxg5 {[%emt 0:00:12]} (28. c6 Qxc6 29. Nxg5 Qg6 $17) 28... Qd5 {[%emt 0:00:14]} 29. Nf3 {[%emt 0:03:20][%cal Rc5b6] Some like it hot} bxc5 {[%emt 0:03:07]} 30. Be3 {[%emt 0:00:23]} Nxh3+ {[%emt 0:01:47][%mdl 64] Deflection. Excellent horsemanship.} 31. Kh2 $1 {[%emt 0:01:06]} Qh5 $2 {[%emt 0:00:12]} (31... Nf6 $11) 32. Kg3 $2 {[%emt 0:01:27]} (32. g4 $18 Qxg4 33. Qxh3 Qxh3+ 34. Kxh3) 32... Re6 {[%emt 0:01:43]} (32... Qg6+ $1 $11 33. Kxh3 (33. Kh2 Qg4 $11) 33... Qh5+ 34. Nh4 g5 35. Bxg5 Qxg5) 33. Bxc5+ $2 {[%emt 0:00:44][%mdl 8192]} (33. gxh3 $16 {keeps the pressure on. And now Bg5 would win.} Rg6+ 34. Ng5 (34. Bg5 Rxg5+ 35. Nxg5 Qxg5+ 36. Kh2 Qf4+ 37. Kh1 Nf6 $14)) 33... Nxc5 $19 {[%emt 0:02:27]} ({Stronger than} 33... Qxc5 34. Rxe6 Nxf2 35. Qxf2 $11 (35. Ree1 Nf6 $17)) 34. Rxe6 {[%emt 0:00:06] [#] Re5 would be deadly.} Nxe6 {[%emt 0:00:10]} ({Not} 34... fxe6 35. gxh3 Nd3 36. Rb7 $17) (34... Ng5 $1 $19 {[%cal Rg5e6] has better winning chances.} 35. Qh1 Qxh1 36. Rxh1 Ngxe6) 35. gxh3 $17 {[%emt 0:00:17]} Ng5 {[%emt 0:02:10]} (35... Qg6+ $17 36. Kh2 Nf4) 36. Nxg5 {[%emt 0:01:14]} (36. Rb3 $1 $11) 36... Qxg5+ {[%emt 0:00:02]} 37. Kh2 {[%emt 0:00:10] [#]} Qf4+ {[%emt 0:00:32]} (37... Qd2 $1 $17 38. a3 Qd6+ 39. Kg2 Kg8) 38. Kg2 {[%emt 0:00:35]} (38. Kg1 $11 {remains equal.}) 38... Rd5 {[%emt 0:00:29]} (38... Rd2 $17 39. a4 Ra2) 39. Rb3 {[%emt 0:00:26]} Qe4+ {[%emt 0:01:53]} 40. Kh2 {[%emt 0:01:07] What a bad dream for Black.   Weighted Error Value: White=0.47/Black=0.54} 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.26"]
[Round "3.3"]
[White "Postler, Reinhard"]
[Black "Pueschel, Werner"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2202"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 15,23,12,20,0,23,10,42,19,30,9]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:15]} 2. c3 {[%emt 0:00:11]} Nf6 {[%emt 0:00:16]} 3. e5 {[%emt 0:00:18]} Nd5 {[%emt 0:00:17]} 4. Nf3 {[%emt 0:00:08]} e6 {[%emt 0:00:15]} 5. d4 {[%emt 0:00:22]} cxd4 {[%emt 0:00:19]} 6. cxd4 {[%emt 0:00:02]} b6 {[%emt 0:00:16]} 7. Nc3 {[%emt 0:00:16]} Nxc3 {[%emt 0:00:20]} 8. bxc3 {[%emt 0:00:01]} Bb7 {[%emt 0:00:16]} 9. Bd3 {[%emt 0:00:14] B22: Sicilian: 2 c3.} Nc6 {[%emt 0:00:30]} 10. O-O {[%emt 0:00:27]} Be7 {[%emt 0:00:16] Against Ng5} 11. Qe2 {[%emt 0:01:00]} Rc8 {[%emt 0:00:38] [#]} 12. Bd2 $146 {[%emt 0:01:06] An uneventful encounter.   Weighted Error Value: White=0.14 (very precise) /Black=0.19 (very precise)} ({Predecessor:} 12. Bf4 Na5 13. Rac1 O-O 14. Rfd1 d5 15. h4 Bc6 16. Ng5 h6 17. Qh5 Be8 18. Bh7+ {0-1 Gurieli,N (2348)-Dzagnidze,N (2482) GEO-ch (Women) 62nd 2005 (10)}) 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.26"]
[Round "3.4"]
[White "Zaeske, Winfried"]
[Black "Syre, Christian"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1985"]
[BlackElo "2197"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 11,62,43,44,30,75,69,57,41,47,52,91,64,83,-28,-23,-31,-4,-75,0,-122,-121,-143,-56,-451,-441,-452,-462,-485,-484,-558,-549,-684,-666,-749,-744,-733,-730,-703,-568,-764,-693,-668,-612,-788,-620,-744,0,-738,-732,-720,-704,-702,-704]} 1. e4 {[%emt 0:00:09]} d6 {[%emt 0:01:08]} 2. d4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:10]} g6 {[%emt 0:00:02]} 4. Bg5 {[%emt 0:00:26][%cal Bc1g5,Bg5f4,Bf4g3][%mdl 32]} c6 {[%emt 0:01:07]} 5. Qd2 {[%emt 0:02:53]} b5 {[%emt 0:02:02]} 6. Bd3 {[%emt 0:02:37]} Nbd7 {[%emt 0:04:26]} 7. Nf3 {[%emt 0:01:48] was the old line (7.f4). B07: Pirc Defence: Miscellaneous Systems.} h6 {[%emt 0:12:36]} 8. Bf4 {[%emt 0:02:23]} g5 {[%emt 0:00:19]} 9. Bg3 {[%emt 0:05:58] White is slightly better.} Nh5 {[%emt 0:00:05] [#]} 10. e5 $146 {[%emt 0:01:43]} ({Predecessor:} 10. a4 b4 11. Nd1 a5 12. Ne3 Nb6 13. O-O Bg7 14. c3 bxc3 15. bxc3 Qc7 16. Qe2 {0-1 Santo Roman,M (2495)-Zaichik,G (2470) Olympiad-30 Manila 1992 (11.4)}) 10... Nb6 {[%emt 0:29:15]} 11. Qe2 {[%emt 0:14:09]} d5 {[%emt 0:10:39] [#]} 12. e6 {[%emt 0:05:55]} Bxe6 $11 {[%emt 0:00:18]} 13. Ne5 {[%emt 0:00:14][%csl LRc6,LRh5]} Nxg3 {[%emt 0:00:13]} 14. fxg3 {[%emt 0:00:47]} (14. hxg3 $11 {keeps the balance.} Qd6 15. Nxc6) 14... Rc8 {[%emt 0:05:55]} (14... Qd6 $17 {White must now prevent ...b4.} 15. Nxc6 b4) 15. Rf1 {[%emt 0:08:14]} (15. Ng6 $1 $11 Rg8 16. Nxf8 Rxf8 17. O-O) 15... Bg7 $17 {[%emt 0:01:14]} 16. O-O-O {[%emt 0:14:47]} Nc4 {[%emt 0:06:28]} (16... b4 $17 17. Nb1 Nd7) 17. Nxf7 $2 {[%emt 0:01:58][%mdl 8192]} Bxf7 $19 {[%emt 0:00:24]} 18. Rxf7 {[%emt 0:01:09]} Kxf7 {[%emt 0:00:13][%cal Be8f7,Bf7g7,Bg7f8][%mdl 32]} 19. Rf1+ {[%emt 0:04:39]} Bf6 {[%emt 0:00:58]} 20. Bf5 {[%emt 0:00:46] [#]} Kg7 $1 {[%emt 0:10:11]} 21. Qf3 {[%emt 0:05:00] [#]} (21. Bxc8 Qxc8) 21... Qd6 $1 {[%emt 0:09:02]} 22. Ne2 {[%emt 0:01:37]} (22. Bxc8 Rxc8) 22... Rcf8 {[%emt 0:02:08]} 23. Qh5 {[%emt 0:00:39]} Rfg8 {[%emt 0:00:21]} ({Not} 23... Kg8 24. Qg6+ Bg7 25. Be6+ $18) 24. Bd3 {[%emt 0:03:30]} Kf8 {[%emt 0:00:37]} 25. Qg4 {[%emt 0:00:59]} h5 {[%emt 0:00:14]} 26. Qf3 {[%emt 0:01:00]} Qb4 {[%emt 0:00:17]} 27. b3 {[%emt 0:01:51]} Qd2+ {[%emt 0:00:39]} 28. Kb1 {[%emt 0:00:21]} Qb4 {[%emt 0:00:20] Threatens to win with ...Nd2+.} 29. Kc1 {[%emt 0:00:31]} Nd2 {[%emt 0:00:20][%cal Bc4d2,Bd2f3,Bf3h2][%mdl 32] Black is clearly winning.} 30. c3 {[%emt 0:00:44]} Nxf3 {[%emt 0:00:08]} 31. cxb4 {[%emt 0:00:04]} Nxh2 {[%emt 0:00:11] Weighted Error Value: White=0.71/Black=0.29 (precise)} 0-1

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.27"]
[Round "4.1"]
[White "Syre, Christian"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2197"]
[BlackElo "2089"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 25,47,0,13,3,18,18,37,21,18,10,29,39,42,41,40,11,19,18,41,16,41,24,52,55]} 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:22]} 2. c4 {[%emt 0:00:17]} g6 {[%emt 0:00:27]} 3. Nc3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:17]} 4. e4 {[%emt 0:00:13]} d6 {[%emt 0:00:07]} 5. Nf3 {[%emt 0:00:16]} O-O {[%emt 0:00:16]} 6. h3 {[%emt 0:00:11]} e5 {[%emt 0:00:24]} 7. dxe5 {[%emt 0:00:16]} dxe5 {[%emt 0:00:06]} 8. Qxd8 {[%emt 0:00:15]} Rxd8 {[%emt 0:00:06]} 9. Bg5 {[%emt 0:00:08]} Re8 {[%emt 0:00:23]} 10. Nd5 {[%emt 0:00:24]} Nxd5 {[%emt 0:01:36]} 11. cxd5 {[%emt 0:00:13]} c6 {[%emt 0:00:47]} 12. Bc4 {[%emt 0:00:08]} cxd5 {[%emt 0:00:07]} 13. Bxd5 {[%emt 0:00:09]} Nc6 {[%emt 0:00:08] has lost popularity (13...Nd7).} 14. O-O {[%emt 0:00:24] [#] E90: King's Indian: Classical: Early deviations and 6 h3.} Nb4 $146 {[%emt 0:00:47]} ({Predecessor:} 14... Be6 15. Bxe6 Rxe6 16. Rfd1 f6 17. Be3 Bf8 18. Kf1 Rd6 19. Rxd6 Bxd6 20. Rd1 Rd8 21. Ke2 Kf7 {½-½ Georgiev,K (2657)-Spasov,V (2566) BUL-ch 77th Bankia 2013 (10)}) 15. Bc4 {[%emt 0:00:45]} h6 {[%emt 0:01:54]} 16. Bd2 {[%emt 0:00:26]} Nc6 {[%emt 0:01:58]} 17. Rac1 {[%emt 0:00:53]} a6 {[%emt 0:01:25]} 18. Rfd1 {[%emt 0:00:20]} Be6 {[%emt 0:01:03]} 19. Bxe6 {[%emt 0:01:00]} Rxe6 {[%emt 0:00:04]} 20. Be1 {[%emt 0:00:18]} Re7 {[%emt 0:02:57]} 21. Rd5 {[%emt 0:01:09]} Rae8 {[%emt 0:00:14]} 22. Kf1 {[%emt 0:00:38]} Kh7 {[%emt 0:00:50]} 23. a4 {[%emt 0:01:40]} Kg8 {[%emt 0:00:19]} 24. b4 {[%emt 1:32:18] Weighted Error Value: White=0.11 (very precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.27"]
[Round "4.2"]
[White "Herrmann, Dirk"]
[Black "Brustkern, Juergen"]
[Result "0-1"]
[ECO "A86"]
[WhiteElo "1842"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,50,18,9,16,19,16,45,22,43,25,31,39,40,14,49,46,70,14,10,-3,19,-80,-58,-55,-49,-226,-235,-491,-490,-474,-486,-486,-473,-492,-370,-413,-391,-361,-378,-955,-968,-885,-662]} 1. Nf3 f5 2. c4 Nf6 3. g3 d6 4. d4 e6 5. Bg5 Be7 6. Bg2 {A86: Dutch Defence: Leningrad System: Unusual lines and 5 Nh3.} O-O 7. Nc3 Nbd7 8. Qc2 {White is slightly better.} h6 9. Bd2 c6 10. O-O {[#]} Qe8 $146 ({Predecessor:} 10... e5 11. dxe5 Nxe5 12. b3 Nxf3+ 13. Bxf3 Be6 14. Rad1 Qe8 15. e3 Ng4 16. Bg2 h5 {0-1 Niklasson,C-Kaiszauri,K SWE-ch Gothenburg 1975}) 11. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qh5 {[%emt 0:05:30]} 12. a5 {[%emt 0:18:35]} a6 {[%emt 0:00:30]} 13. Rab1 {[%emt 0:00:30]} ({Better is} 13. b4 $14) 13... e5 $11 {[%emt 0:00:30]} 14. dxe5 {[%emt 0:00:30]} dxe5 {[%emt 0:00:30]} 15. e4 {[%emt 0:00:30]} (15. Na4 $11) 15... Nc5 {[%emt 0:00:30][%cal Rf5e4]} 16. Nxe5 {[%emt 0:00:30]} fxe4 {[%emt 0:00:30]} 17. f4 {[%emt 0:00:30] [#] This move loses the game for White.} (17. b4 $15) 17... exf3 $19 {[%emt 0:00:30]} 18. Nxf3 {[%emt 0:00:30]} (18. Ng6 fxg2 19. Nxe7+ Kf7 20. Rxf6+ Kxf6 21. Nxc8 Raxc8 22. b4) 18... Bf5 {[%emt 0:00:30]} 19. Qd1 {[%emt 0:00:30]} Bxb1 {[%emt 0:00:30]} 20. Qxb1 {[%emt 0:00:30]} Nb3 {[%emt 0:00:30] [#] ...Ng4 would be deadly.} 21. Bf4 {[%emt 0:00:30]} Rad8 {[%emt 0:00:30]} (21... Nxa5 $2 {perishes.} 22. Ne5 $19) (21... Qxa5 $2 22. Qc2 Qc5+ 23. Kh1 $19) 22. Ne5 {[%emt 0:00:30]} Bc5+ {[%emt 0:00:30]} ({Inferior is} 22... Nxa5 23. b4 g5 24. Ng6 gxf4 25. Nxe7+ Kf7 26. Nf5 Nxc4 27. Rxf4 $15) 23. Kh1 {[%emt 0:00:30]} Nd2 {[%emt 0:00:30] Wards off Bf3} ({And not} 23... Nxa5 24. Bf3 Qh3 25. Ne4 Nxe4 26. Bxe4 $17) 24. Qe1 {[%emt 0:00:30]} (24. Bxd2 Rxd2 25. Rf5 Rxb2 26. Rxh5 Rxb1+ 27. Nxb1 Nxh5 28. Nd3) 24... Nxf1 {[%emt 0:00:30]} 25. Qxf1 {[%emt 0:00:30]} Ng4 {[%emt 0:00:30] Weighted Error Value: White=0.72/Black=0.19 (very precise)} 0-1

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.27"]
[Round "4.3"]
[White "Kreutzkamp, Hans-Rudolf"]
[Black "Koetz, Andreas"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2094"]
[BlackElo "1925"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 12,65,4,-13,0,-13,5,0,11,-7,-11,-12,-12,-10,0,-6,15,-7,35,6,42,34,36,10,19,6,44,0,0,0,0,0,17,0,9,0,26,-12,-10,-12,-5,-52,-50,-123,-130,-267,-275,-275,-275,-275,-80,-87,-95,-89,-53,-63]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:20]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:18]} 5. Nc3 {[%emt 0:00:08]} e5 {[%emt 0:00:09]} 6. Nxc6 {[%emt 0:00:49]} bxc6 {[%emt 0:00:10]} 7. Be2 {[%emt 0:05:15]} Bb4 {[%emt 0:00:44] B33: Sicilian: Pelikan and Sveshnikov Variations.} 8. Qd3 {[%emt 0:02:56]} a5 {[%emt 0:00:34]} 9. O-O {[%emt 0:01:07]} O-O {[%emt 0:00:47] [#] The position is equal.} 10. Bg5 $146 {[%emt 0:01:47]} ({Predecessor:} 10. a4 Ba6 11. Qd1 Bxc3 12. Bxa6 Rxa6 13. bxc3 Nxe4 14. Qe2 Nc5 15. Qxe5 d6 16. Qd4 {1-0 Holzner,A (1370)-Guseck,M (1127) Tirol-ch Jenbach 2013 (5)}) 10... h6 {[%emt 0:04:47]} 11. Bh4 {[%emt 0:00:45]} Ba6 {[%emt 0:02:10]} 12. Qf3 {[%emt 0:00:31]} Bxe2 {[%emt 0:00:19]} 13. Nxe2 {[%emt 0:00:43]} Be7 {[%emt 0:01:17]} 14. c4 {[%emt 0:02:01]} d6 {[%emt 0:01:27]} 15. Rfd1 {[%emt 0:01:26]} Ne8 {[%emt 0:00:34]} (15... Nh7 $5 {[%cal Re7h4]} 16. Bxe7 Qxe7 $14) 16. Bxe7 {[%emt 0:01:24]} Qxe7 {[%emt 0:00:10]} 17. Ng3 {[%emt 0:02:27]} g6 {[%emt 0:00:11] Prevents Nf5.} 18. Rd2 {[%emt 0:00:22]} Qe6 {[%emt 0:00:46]} 19. b3 {[%emt 0:01:00]} a4 {[%emt 0:01:44]} 20. Rad1 {[%emt 0:00:26]} axb3 {[%emt 0:00:19]} 21. axb3 {[%emt 0:00:04]} Rb8 {[%emt 0:01:41]} 22. Qe3 {[%emt 0:03:10]} Kg7 {[%emt 0:00:49]} 23. Rd3 {[%emt 0:00:32]} (23. Nf1 {simplifies} c5 24. Qg3 Nf6 25. Rxd6 Nxe4 26. Rxe6 Nxg3 27. Rxe5 Nxf1 28. Kxf1 Rxb3 29. Rxc5 Ra8 30. Rd2) 23... Rb7 {[%emt 0:01:07] Prevents Qa7} 24. f4 {[%emt 0:01:20]} exf4 {[%emt 0:02:01]} 25. Qxf4 {[%emt 0:00:09]} Qe5 {[%emt 0:00:15]} 26. Qf2 {[%emt 0:03:39]} (26. Ne2 $11) 26... Nf6 $15 {[%emt 0:06:38]} 27. Rxd6 {[%emt 0:01:39]} (27. Qd4 $1 $15) 27... Rxb3 $17 {[%emt 0:00:08]} 28. Rxc6 {[%emt 0:07:23]} (28. Qd4 $17 Qxd4+ 29. R6xd4) 28... Ng4 $19 {[%emt 0:01:00]} 29. Qe2 {[%emt 0:04:22] [#]} h5 {[%emt 0:01:47]} 30. Nf1 {[%emt 0:02:44] [#]} Re3 $2 {[%emt 0:01:56]} 31. Qd2 $17 {[%emt 0:00:50] Black must now prevent h3.} Rxe4 {[%emt 0:00:54]} 32. h3 {[%emt 0:00:54]} Nh6 {[%emt 0:01:41]} 33. Qd5 {[%emt 0:03:45] Weighted Error Value: White=0.23 (precise) /Black=0.17 (very precise)} 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.27"]
[Round "4.4"]
[White "Koehler, Gerhard"]
[Black "Krischer, Markus"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2241"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 17,41,41,50,43,40,45,64,60,60,31,51,58,81,64,79,62,261,241,242,258,247,258,548,539,684,672]} 1. c4 {[%emt 1:31:00]} Nf6 {[%emt 0:00:08]} 2. Nc3 {[%emt 0:00:00]} g6 {[%emt 0:00:07]} 3. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:32]} 4. d4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:13]} 5. Be2 {[%emt 0:00:00]} O-O {[%emt 0:00:34]} 6. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:01:04]} 7. O-O {[%emt 0:00:00]} cxd4 {[%emt 0:01:54]} 8. Nxd4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:37]} 9. Be3 {[%emt 0:00:00]} a6 {[%emt 0:01:04]} 10. Rb1 {[%emt 0:00:00] B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} Bd7 {[%emt 0:03:25][%cal Ob7b5]} 11. f3 {[%emt 0:00:00]} Rc8 {[%emt 0:02:25]} 12. Qd2 {[%emt 0:00:00] White is more active. White is slightly better.} Re8 {[%emt 0:07:41]} 13. Rfd1 {[%emt 0:00:00]} Ne5 {[%emt 0:03:38]} 14. b3 {[%emt 0:00:00]} Qa5 {[%emt 0:03:59][%cal Ob7b5]} 15. Rbc1 {[%emt 0:00:00][%cal Oa2a3]} Rb8 {[%emt 0:04:24]} 16. Bf1 {[%emt 0:00:00]} b5 $2 {[%emt 0:08:43] [#] Black cannot hold the game after this.} ({Better is} 16... Nc6 $14) 17. cxb5 $18 {[%emt 0:00:00]} axb5 {[%emt 0:00:10]} 18. Ncxb5 {[%emt 0:00:00]} Qxd2 {[%emt 0:02:06] [#]} 19. Rxd2 $146 {[%emt 0:00:00]} ({Don't do} 19. Bxd2 Rec8 20. a4 d5) ({Predecessor:} 19. Bxd2 Rb7 20. a4 Reb8 21. h3 Be8 22. a5 Bxb5 23. Nxb5 Rxb5 24. Bxb5 Rxb5 25. Rc8+ {1-0 Mijatovic,D (2276)-Strangar,Z (2203) Vojvodina-chT2 2011 (9)}) 19... Nxf3+ $2 {[%emt 0:02:54]} (19... Rec8 20. Nc7 d5) 20. gxf3 {[%emt 0:00:00]} e5 {[%emt 0:00:10]} 21. Nc6 {[%emt 0:00:00] Weighted Error Value: White=0.09 (flawless) /Black=0.70} 1-0

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.28"]
[Round "5.1"]
[White "Brustkern, Juergen"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2182"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,55,-44,-33,-33,0,-4,-5,-7,-9,-29,-26,-58,-63,-61,-61,-45,56,49,83,63,58,28,81,80,68,45,76,49,68,50,250,236,240,238,221,116,195,200,245,170,181,136,155,161,133,137,175,97]} 1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:20][%cal Bg8f6,Bf6h5,Bh5g3][%mdl 32]} 2. Bg5 {[%emt 0:00:31]} c5 {[%emt 0:00:11]} 3. d5 {[%emt 0:00:12]} d6 {[%emt 0:00:31]} 4. Nc3 {[%emt 0:03:50]} h6 {[%emt 0:00:59]} 5. Bh4 {[%emt 0:01:02]} g5 {[%emt 0:00:59]} 6. Bg3 {[%emt 0:00:10] A45: Trompowsky Attack.} Nh5 {[%emt 0:00:34]} 7. e4 {[%emt 0:07:58]} Nxg3 {[%emt 0:00:29]} 8. hxg3 {[%emt 0:00:05] The position is equal.} Bg7 {[%emt 0:00:25] [#]} 9. Bb5+ $146 {[%emt 0:02:03]} ({Predecessor:} 9. Nf3 a6 10. a4 Nd7 11. Nd2 Ne5 12. Be2 Rb8 13. f4 Ng6 14. e5 dxe5 15. f5 Bxf5 {0-1 Ahmad,A (2355)-Koniahli,M (2328) Olympiad-43 Batumi 2018 (6.63)}) 9... Nd7 {[%emt 0:01:58]} 10. a4 {[%emt 0:01:01]} a6 {[%emt 0:00:30]} 11. Be2 {[%emt 0:06:27]} Qa5 {[%emt 0:02:02]} 12. Nf3 {[%emt 0:00:53][%cal Bg1f3,Bf3d2,Bd2c4,Bc4e3,Be3d5][%mdl 32]} Nf6 {[%emt 0:08:31]} ({Black should try} 12... Qb4 $15 13. Ra2 Bxc3+ 14. bxc3 Qxe4) 13. Nd2 $1 $14 {[%emt 0:03:52]} Bd7 {[%emt 0:06:43]} 14. Ra3 {[%emt 0:04:31]} Qc7 {[%emt 0:05:22]} 15. Nc4 {[%emt 0:03:17]} O-O {[%emt 0:02:52]} (15... b6 $11 {remains equal.}) 16. a5 $16 {[%emt 0:01:48]} Rad8 {[%emt 0:00:57]} 17. O-O {[%emt 0:07:27]} e6 {[%emt 0:11:33]} 18. Ne3 {[%emt 0:05:33]} Rfe8 {[%emt 0:02:42]} 19. Bc4 {[%emt 0:07:12]} exd5 $2 {[%emt 0:12:13]} (19... Bc8 $14) 20. Ncxd5 {[%emt 0:07:12]} Nxd5 {[%emt 0:02:51]} 21. Nxd5 {[%emt 0:01:20]} Qc6 {[%emt 0:00:42]} 22. Qf3 {[%emt 0:03:31]} (22. Qh5 $1 $18 Kh8 23. Nf6 (23. Qxf7 Be6 $16)) 22... Re6 {[%emt 0:02:35] Prevents Nf6+} (22... Be6 $16) 23. Rb3 $18 {[%emt 0:03:18] White is clearly better.} Rde8 {[%emt 0:04:49][%cal Bd8e8,Be8e4,Be4d4][%mdl 32]} 24. Rb6 {[%emt 0:07:19]} Qc8 {[%emt 0:00:17]} 25. Ne3 {[%emt 0:02:59]} Rf6 {[%emt 0:02:04]} 26. Qd1 {[%emt 0:01:12] White is more active.} ({Much less strong is} 26. Nf5 Bc6 $16) 26... Rxe4 {[%emt 0:02:47] [#]} 27. Bd5 $1 {[%emt 0:01:15]} Rd4 {[%emt 0:03:54] [#]} 28. Qe2 {[%emt 0:02:29] Weighted Error Value: White=0.20 (precise) /Black=0.38} ({Better is} 28. Bxb7 $1 $18 Rxd1 29. Bxc8 Rxf1+ 30. Kxf1 Bxc8 31. Rb8) 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.28"]
[Round "5.2"]
[White "Hess, Christian"]
[Black "Kreutzkamp, Hans-Rudolf"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2215"]
[BlackElo "2094"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 17,75,0,15,0,22,12,19,0,54,30,32,25,114,101,114,100,119,125,171,172,176,157,191,173,329,217,318,325,321,326,292,176,283,279,504,481,483,470,486,483,484,447,468,470,439,205,4894,4894,4894,1599,2877,2799,2221,1194,29991,29992,29992,29993,29993,29994]} 1. d4 {[%emt 0:00:11]} Nf6 {[%emt 0:01:32]} 2. c4 {[%emt 0:00:10]} g6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:41]} Bg7 {[%emt 0:00:13]} 4. Nf3 {[%emt 0:00:56]} d5 {[%emt 0:01:57]} 5. e3 {[%emt 0:00:52]} O-O {[%emt 0:00:29]} 6. cxd5 {[%emt 0:00:42]} Nxd5 {[%emt 0:00:33]} 7. Bc4 {[%emt 0:00:10]} Nxc3 {[%emt 0:01:31]} 8. bxc3 {[%emt 0:00:06]} c5 {[%emt 0:00:09]} 9. O-O {[%emt 0:00:35]} Nc6 {[%emt 0:04:07]} 10. Qe2 {[%emt 0:05:27] D94: Grünfeld: 4 Nf3 Bg7 5 e3.} (10. dxc5 Bxc3 11. Rb1 Bf5 $15) 10... Qa5 {[%emt 0:09:08] [#]} 11. Rb1 $146 {[%emt 0:18:29]} ({Predecessor:} 11. Bd2 Qc7 12. Rac1 e5 13. d5 Na5 14. e4 Nxc4 15. Qxc4 b6 16. Ne1 a5 17. Qe2 Qd7 {0-1 Martinovsky,E (2375)-Gurevich,I (2495) Lloyds Bank op 15th 1991 (9)}) 11... a6 {[%emt 0:10:07]} 12. Rd1 {[%emt 0:08:19] The position is equal.} h6 {[%emt 0:03:16]} (12... Qxc3 $11 13. Bb2 (13. dxc5 Na5 $11) 13... Qa5) 13. h3 {[%emt 0:05:03]} (13. Nd2 $5 {[%cal Rd2b3]}) 13... b5 {[%emt 0:05:31]} 14. Bd3 {[%emt 0:04:32]} Bb7 {[%emt 0:01:23] [#]} (14... Be6 $11) 15. d5 $1 $16 {[%emt 0:01:57]} (15. dxc5 $6 Qxc3 16. Bb2 Qxc5 $11) 15... Ne5 {[%emt 0:02:53]} 16. Nxe5 {[%emt 0:02:36]} Bxe5 {[%emt 0:00:13]} 17. c4 {[%emt 0:00:32]} Rab8 {[%emt 0:16:11]} (17... Rfe8 $16 18. e4 (18. cxb5 Bxd5 19. Bb2 Bxb2 $14) 18... e6) 18. e4 $18 {[%emt 0:01:37][%cal Rc4b5,Be3e4,Be4e5][%mdl 32]} (18. cxb5 $6 Bxd5 19. bxa6 c4 20. Rxb8 (20. Bxc4 $2 Bxc4 21. Qc2 Qxa6 $19) 20... Bxb8 $11) 18... bxc4 {[%emt 0:00:41]} 19. Bxc4 {[%emt 0:01:07]} Kh7 {[%emt 0:01:24]} 20. Rb3 {[%emt 0:13:13]} Bc8 $2 {[%emt 0:03:16]} (20... Ba8 {is a better defense.} 21. Bxa6 Bd4) 21. Qe3 {[%emt 0:05:43]} g5 {[%emt 0:01:23]} (21... Qa4 $142 22. d6 (22. Qxc5 Rb7 $16) (22. Qxh6+ Kg8 $16) 22... e6 23. Qxh6+ (23. Qxc5 Bg7 $18) 23... Kg8) 22. Rxb8 {[%emt 0:04:05]} Bxb8 {[%emt 0:00:30]} 23. e5 {[%emt 0:01:18]} Bf5 {[%emt 0:01:26]} 24. Bd3 {[%emt 0:01:42]} Bg6 {[%emt 0:00:14]} (24... Bxd3 $142 25. Qxd3+ (25. Rxd3 c4 $11) 25... Kg8) 25. d6 {[%emt 0:05:04][%cal Bd5d6,Bd6d7][%mdl 32]} e6 $2 {[%emt 0:05:26] [#]} (25... exd6 26. exd6 Qa4 27. Bxg6+ Kxg6 28. Qd3+ (28. Rd5 Qxa2 29. Qd3+ Kg7 $18) 28... Kg7) 26. h4 $1 {[%emt 0:02:33][%mdl 512]} Qa4 {[%emt 0:04:25]} (26... Qb4 27. hxg5) 27. Qf3 {[%emt 0:02:11]} Qxh4 {[%emt 0:01:12]} 28. Bxg6+ {[%emt 0:00:13]} (28. Bxa6 Bh5 29. Qd3+ Kg7 $16) 28... Kxg6 {[%emt 0:00:11]} 29. Qf6+ {[%emt 0:00:26]} (29. g3 Qc4 30. Be3 a5 31. Qf6+ Kh7) 29... Kh7 {[%emt 0:01:23]} 30. d7 {[%emt 0:02:09]} Bc7 {[%emt 0:00:43]} 31. Qe7 {[%emt 0:02:03]} (31. d8=N Qh5 32. f3 Bxd8 33. Rxd8 Rxd8 34. Qxd8 Qh4 $18) (31. d8=R $142 Bxd8 32. Rxd8) 31... Rd8 {[%emt 0:01:36]} (31... Qh5 32. f3 (32. d8=R Bxd8 33. Rxd8 Rxd8 $16) (32. d8=Q Bxd8 33. Rxd8 Rxd8 $16) 32... Rg8) 32. Qxf7+ {[%emt 0:00:13]} ({Weaker is} 32. Qxc5 Qa4 33. Rd4 Qa5 34. Qxa5 Bxa5 $16) 32... Kh8 {[%emt 0:00:05]} 33. Qf6+ {[%emt 0:01:08]} Kh7 {[%emt 0:00:58]} 34. Qe7+ {[%emt 0:00:28]} Kh8 {[%emt 0:00:17]} 35. Qxe6 {[%emt 0:01:24] Intending Qf6+ and mate.} g4 {[%emt 0:01:09]} 36. Qe8+ {[%emt 0:01:03] White mates.} Kg7 {[%emt 0:01:00]} 37. g3 {[%emt 0:01:17]} Qh3 {[%emt 0:01:09]} 38. Bb2 {[%emt 0:00:33] White took control after the opening. Artfully played by Hess.   Weighted Error Value: White=0.31/Black=0.59} 1-0

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.28"]
[Round "5.3"]
[White "Postler, Reinhard"]
[Black "Wolf, Christian"]
[Result "1-0"]
[ECO "B68"]
[WhiteElo "2202"]
[BlackElo "2083"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 20,55,47,-3,118,1,145,91,145,149,157,157,267,254,275,268,312,240,317,291,383,411,424,421,418,417,525,323,350,337,654,671,734,730,727,692,1174,1184]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:11]} 3. d4 {[%emt 0:00:15]} cxd4 {[%emt 0:00:15]} 4. Nxd4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:12]} 5. Nc3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:16]} 6. Bg5 {[%emt 0:00:13]} e6 {[%emt 0:00:20]} 7. Qd2 {[%emt 0:00:36]} a6 {[%emt 0:00:27]} 8. O-O-O {[%emt 0:00:39]} Bd7 {[%emt 0:00:35]} 9. f4 {[%emt 0:06:33]} Be7 {[%emt 0:01:10]} 10. Nf3 {[%emt 0:06:26]} b5 {[%emt 0:05:04]} 11. Bd3 {[%emt 0:00:58]} (11. Bxf6 $14 gxf6 12. Kb1) 11... Qb6 {[%emt 0:09:28] B68: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 .} (11... h6 $11 12. Bh4 O-O) 12. Kb1 {[%emt 0:01:57] [#]} (12. e5 $16) 12... O-O-O $146 {[%emt 0:04:52]} (12... b4 $11 {keeps the balance.} 13. Na4 Qa5) ({Predecessor:} 12... h6 13. Bh4 O-O-O 14. e5 dxe5 15. fxe5 Nd5 16. Nxd5 exd5 17. Bxe7 Nxe7 18. Qb4 Nc6 19. Qf4 {1-0 Mamedov,R (2703)-Perro,L (2580) Titled Tuesday intern op 2nd Febr blitz 2019 (6)}) 13. Rhe1 {[%emt 0:08:29]} (13. e5 $142) 13... Kb8 {[%emt 0:07:51]} (13... h6 $142) 14. e5 $16 {[%emt 0:06:20]} b4 {[%emt 0:09:50]} 15. exf6 {[%emt 0:00:59]} (15. Na4 $6 Qa5 $16) 15... bxc3 {[%emt 0:01:23]} (15... gxf6 $16 16. Nd5 (16. Na4 Qa5 $11) 16... exd5) 16. Qxc3 $18 {[%emt 0:00:11]} gxf6 {[%emt 0:01:31]} 17. Bxf6 {[%emt 0:00:02]} Rhg8 {[%emt 0:01:00]} 18. g3 {[%emt 0:01:44]} ({But not} 18. Bxh7 $6 Rxg2 19. Ng5 Bxf6 20. Qxf6 Rxh2 21. Rxd6 (21. Qxf7 Nb4 $16) 21... Be8 $18) 18... h5 {[%emt 0:03:46]} 19. Ng5 {[%emt 0:03:51]} Rgf8 {[%emt 0:11:40]} 20. Bg7 {[%emt 0:11:19]} Ka7 {[%emt 0:01:52]} 21. Bxf8 {[%emt 0:00:49]} Rxf8 {[%emt 0:00:07]} 22. Qg7 {[%emt 0:02:29]} e5 {[%emt 0:06:30]} 23. Bc4 {[%emt 0:05:29]} Rb8 {[%emt 0:06:00][%csl Gb8][%cal Rb6b2] [#]} 24. b3 {[%emt 0:01:00]} (24. Qxf7 $2 Qxb2#) 24... d5 $2 {[%emt 0:09:33]} (24... Rb7 25. Bd5 Bg4 26. fxe5 Bxd1 27. Rxd1 dxe5 28. Nxf7 (28. Bxf7 Bxg5 {[%mdl 64] Remove Defender, Deflection} 29. Qxg5 Rxf7 $17) 28... Ba3) 25. Bxd5 {[%emt 0:05:44] White is clearly winning.} ({Not} 25. fxe5 Bf5 $16) 25... Bb4 {[%emt 0:00:22]} 26. Re4 {[%emt 0:02:34][%cal Be1e4,Be4c4,Bc4b4][%mdl 32]} Rb7 {[%emt 0:04:53]} 27. Rc4 {[%emt 0:01:56]} Na5 {[%emt 0:08:33]} 28. Rxb4 {[%emt 0:01:37] Black did not feel at home in the position after the opening.   Weighted Error Value: White=0.38/Black=0.89} 1-0

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.28"]
[Round "5.4"]
[White "Koetz, Andreas"]
[Black "Syre, Christian"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1925"]
[BlackElo "2197"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,49,-15,-10,-11,-20,-24,13,12,48,47,52,5,30,31,19,-3,0,-49,-35,-37,-26,-43,-17,-64,-72,-113,-113,-138,-141,-152,0,0,0,-11,150,52,81,91,133,64,142,57]} 1. c4 {[%emt 0:00:04]} b6 {[%emt 0:00:20]} 2. Nc3 {[%emt 0:00:13]} Bb7 {[%emt 0:00:18]} 3. e4 {[%emt 0:00:14]} e6 {[%emt 0:00:08]} 4. d3 {[%emt 0:00:59]} Bb4 {[%emt 0:00:58]} 5. a3 {[%emt 0:00:59]} Bxc3+ {[%emt 0:00:15]} 6. bxc3 {[%emt 0:00:13] A10: English Opening: Unusual Replies for Black.} Ne7 {[%emt 0:00:13] [#]} 7. Qg4 $146 {[%emt 0:01:37]} ({Predecessor:} 7. f3 O-O 8. d4 d6 9. h4 Nd7 10. Be3 f5 11. Bd3 e5 12. Nh3 h6 13. Qd2 {0-1 Rauch,N (1728)-Fabig,H (1915) Rottach Egern Seniors Cup 10th 2022 (9)}) 7... Ng6 {[%emt 0:20:40]} 8. h4 {[%emt 0:00:36] White wants to play h5. The position is equal.} f5 {[%emt 0:06:10]} 9. exf5 {[%emt 0:03:52]} exf5 {[%emt 0:00:03]} 10. Qg5 {[%emt 0:00:41]} (10. Qxf5 $14 Qe7+ 11. Ne2) 10... O-O {[%emt 0:04:51]} 11. Qxd8 {[%emt 0:00:16]} Rxd8 {[%emt 0:00:01]} 12. Bg5 {[%emt 0:00:42]} Re8+ {[%emt 0:00:14]} 13. Ne2 {[%emt 0:02:38]} (13. Kd2 $11 {should be considered.}) 13... h6 {[%emt 0:04:01]} 14. Bd2 {[%emt 0:01:41]} Ne5 {[%emt 0:02:18]} 15. Rh3 {[%emt 0:00:07]} Na6 {[%emt 0:12:28]} 16. O-O-O {[%emt 0:01:57]} (16. Bf4 $11 {was preferrable.}) 16... Nc5 $15 {[%emt 0:00:52]} 17. Nd4 {[%emt 0:00:49]} Ng4 {[%emt 0:04:41] Excellent horsemanship.} 18. Rg3 {[%emt 0:01:45]} Nxf2 {[%emt 0:05:36] ...f4 would be deadly.} 19. Bxh6 {[%emt 0:00:14] [#]} Nxd1 {[%emt 0:00:34]} (19... Ne6 $1 $17 {White must now prevent ...f4.} 20. Nxe6 {[%mdl 64] Remove Defender} Rxe6 21. Bxg7 (21. Rxg7+ Kh8 $17) 21... Kh7) 20. Rxg7+ $11 {[%emt 0:00:15]} Kh8 {[%emt 0:00:13]} 21. Kxd1 {[%emt 0:00:09]} Ne6 $2 {[%emt 0:21:20]} (21... Rg8 $11 22. Nxf5 Rxg7 23. Bxg7+ Kh7) 22. Rf7 {[%emt 0:00:48] White has more active pieces.} (22. Rxd7 $16 {Hoping for g3.} Kg8 23. g3 (23. Nxf5 Red8 $16)) 22... Nxd4 {[%emt 0:06:36]} 23. cxd4 {[%emt 0:00:30]} Re6 {[%emt 0:03:47]} 24. Bd2 {[%emt 0:00:10]} (24. Bg7+ $16 Kg8 25. Rxd7) 24... d5 {[%emt 0:03:37]} (24... Bc6 $14) 25. Be2 {[%emt 1:21:31] Weighted Error Value: White=0.29 (precise) /Black=0.42} ({Don't take} 25. Rxf5 Kg7 $16) (25. Rxc7 $16 Bc6 26. g3) 1-0

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.29"]
[Round "6.1"]
[White "Brustkern, Juergen"]
[Black "Hess, Christian"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2182"]
[BlackElo "2215"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 11,90,-25,-20,-33,-13,-25,0,-12,18,11,0,-6,-12,-16,-12,-62,-74,-74,-70,-88,-88,-95,-90,-112,-110,-85,-109,-93,-50,-111,-86,-120,-89,-146,-137,-187,-186,-184,-179,-293,-306,-310,-291,-279,-227,-227,-240,-225,-206,-195,-203,-184,-145,-151,-145,-212,-207,-229,-230,-218,-176,-185,-179,-211,-224,-190,-190,-222,-217,-218,-215,-301,-296,-435,-413,-520,-487,-501,-464,-635,-602]} 1. f4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:28]} 2. Nf3 {[%emt 0:00:07]} g6 {[%emt 0:00:20]} 3. d3 {[%emt 0:00:34]} d5 {[%emt 0:05:32]} 4. e3 {[%emt 0:00:18]} Bg7 {[%emt 0:00:21]} 5. Be2 {[%emt 0:00:08]} O-O {[%emt 0:02:07]} 6. O-O {[%emt 0:00:07]} b6 {[%emt 0:02:03]} 7. a4 {[%emt 0:01:26] A03: Bird's Opening with 1...d5.} a5 {[%emt 0:01:36] [#]} 8. Nc3 $146 {[%emt 0:06:08][%cal Bb1c3,Bc3b5,Bb5d4,Bd4c6,Bc6e5][%mdl 32]} ({Predecessor:} 8. Qe1 Bb7 9. Nc3 c5 10. Nb5 Na6 11. Bd2 Nc7 12. Nxc7 Qxc7 13. Qh4 Ne8 14. e4 Nd6 {½-½ Bohn,T (2350)-Bonnmann,R (2266) BL2-West 1011 2010 (8.7)}) 8... Ba6 {[%emt 0:07:43]} 9. Ne5 {[%emt 0:10:31] The position is equal.} Nbd7 {[%emt 0:09:54][%cal Bb8d7,Bd7c5,Bc5a4][%mdl 32]} 10. Nc6 {[%emt 0:22:02]} Qe8 {[%emt 0:00:18]} 11. Nb5 {[%emt 0:00:04]} Nc5 {[%emt 0:07:38]} 12. Ne5 {[%emt 0:03:00]} Qc8 {[%emt 0:05:19][%cal Oc5a4]} 13. Qe1 {[%emt 0:03:34] [#]} (13. b3 $11) 13... Nxa4 $1 $15 {[%emt 0:12:01][%mdl 64] Remove Defender} 14. Nd4 {[%emt 0:04:49]} (14. d4 c6) 14... Nc5 {[%emt 0:03:31]} 15. Qh4 {[%emt 0:01:51]} Ncd7 {[%emt 0:02:55]} 16. Ndc6 {[%emt 0:02:46]} Qe8 {[%emt 0:00:31]} 17. Rf3 {[%emt 0:05:34]} Nxe5 {[%emt 0:03:48]} 18. Nxe5 {[%emt 0:00:24]} Bc8 {[%emt 0:04:39]} 19. g4 {[%emt 0:01:37]} Nd7 {[%emt 0:07:20]} 20. Rh3 {[%emt 0:04:24]} (20. Nc6 $15 Nf6 {[%mdl 64] Discovered Attack} 21. Ne5) 20... h6 {[%emt 0:01:04]} 21. Bf3 {[%emt 0:10:59][%cal Oe5g6] [#] Nxg6! would be deadly.} e6 {[%emt 0:03:37]} 22. e4 {[%emt 0:03:39]} (22. Nxd7 $142 Qxd7 23. Bd2) 22... g5 $1 $17 {[%emt 0:03:49]} 23. Qg3 {[%emt 0:00:31]} (23. Qe1 $17 {was necessary.} Nxe5 24. fxe5) 23... Nxe5 $19 {[%emt 0:00:25]} 24. fxe5 {[%emt 0:00:09]} Bb7 {[%emt 0:00:36]} 25. Bd2 {[%emt 0:06:23]} (25. Qg2 $142) 25... dxe4 {[%emt 0:01:28]} 26. dxe4 {[%emt 0:00:29]} Qb5 {[%emt 0:01:02]} 27. Bc3 {[%emt 0:00:18]} Qc5+ {[%emt 0:00:58]} 28. Qf2 {[%emt 0:01:30]} Qxf2+ {[%emt 0:02:48]} (28... Bxe5 $2 29. Qxc5 (29. Rxh6 $2 Qxf2+ 30. Kxf2 Kg7 $19) 29... bxc5 30. Bxe5 $18) 29. Kxf2 {[%emt 0:00:08]} b5 {[%emt 0:03:53]} 30. Rxa5 {[%emt 0:03:11]} Rxa5 {[%emt 0:00:31]} 31. Bxa5 {[%emt 0:00:40]} Bxe5 {[%emt 0:00:33]} 32. Rxh6 {[%emt 0:01:12]} Ra8 {[%emt 0:03:16]} 33. b4 {[%emt 0:01:29]} (33. Bc3 $17 Bxc3 34. bxc3) 33... Rd8 {[%emt 0:00:32] White must now prevent ...Rd2+.} 34. Rh5 {[%emt 0:02:46]} f6 {[%emt 0:01:07] ...Rd2+ is the strong threat.} 35. h4 {[%emt 0:01:18]} Bf4 {[%emt 0:02:41]} 36. hxg5 {[%emt 0:00:47]} fxg5 {[%emt 0:00:02]} 37. Rh6 {[%emt 0:01:13]} Rd2+ {[%emt 0:01:15]} 38. Ke1 {[%emt 0:00:48][%cal Oa5c7]} Rxc2 {[%emt 0:00:29]} 39. Rxe6 {[%emt 0:00:13]} Kf7 {[%emt 0:00:22] Inhibits Re7+.} 40. Rh6 {[%emt 0:00:25]} Rc4 {[%emt 0:00:47]} 41. Kf1 {[%emt 0:32:10]} Bxe4 {[%emt 0:02:09]} 42. Bxe4 {[%emt 0:00:00]} (42. Be2 {was called for.} Rc1+ 43. Kf2) 42... Rxe4 {[%emt 0:00:06]} 43. Kf2 {[%emt 0:00:00]} Rc4 {[%emt 0:05:41] Black is clearly winning.} 44. Ke2 {[%emt 0:00:00]} Bd6 {[%emt 0:02:39]} 45. Kf3 {[%emt 0:00:00]} Rf4+ {[%emt 0:00:31] Weighted Error Value: White=0.33/Black=0.11 (very precise)} (45... Bxb4 $2 {is the wrong capture.} 46. Bxb4 Rf4+ 47. Kg3 Rxb4 48. Rh7+ Ke6 49. Rxc7 $19) 0-1

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.29"]
[Round "6.2"]
[White "Koetz, Andreas"]
[Black "Postler, Reinhard"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1925"]
[BlackElo "2202"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 16,108,0,0,0,0,10,0,0,0,0,0,-10,0,-2,-35,-29,-33,-42,-33,-39,-49,-40,-79,-56,-72,-64,-99,-99,-97,-98,-118,-118,-118,-118,-118,-119,-118,-118,-114,-102,-210,-125,-123,-120,-129,-128,-130,-128,-128,-128,-128,-118,-120,-108,-114,-95,-84,-77,-143,-146,-170,-164,-155,-166,-188,-132,-167,-176,-175,-173,-171,-175,-188,-185,-237,-231,-237,-233,-235,-214,-206,-197,-287,-287,-317,-279,-276,-283,-275,-222,-277,-190,-382,-374]} 1. c4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:21]} 2. Nf3 {[%emt 0:00:11]} c6 {[%emt 0:00:02]} 3. g3 {[%emt 0:00:13]} d5 {[%emt 0:00:07]} 4. cxd5 {[%emt 0:01:37]} cxd5 {[%emt 0:00:02]} 5. Bg2 {[%emt 0:00:14]} Nc6 {[%emt 0:02:27]} 6. d4 {[%emt 0:01:50]} e6 {[%emt 0:01:02]} 7. O-O {[%emt 0:00:11]} Bd6 {[%emt 0:00:51]} 8. Nc3 {[%emt 0:00:21]} O-O {[%emt 0:00:02]} 9. Bg5 {[%emt 0:00:33]} h6 {[%emt 0:00:40] D13: Slav Defence: Exchange variation without ...Bf5.} 10. Bxf6 {[%emt 0:00:24]} Qxf6 {[%emt 0:00:02]} 11. e3 {[%emt 0:00:11]} Bd7 {[%emt 0:01:19] The position is equal.} 12. Rc1 {[%emt 0:00:51] [#]} Rac8 $146 {[%emt 0:01:32]} ({Predecessor:} 12... Rfc8 13. Ne1 Qe7 14. Nd3 Nb4 15. a3 Nxd3 16. Qxd3 a6 17. e4 dxe4 18. Bxe4 Rab8 {0-1 Buker,M (1967)-Valgmae,T (2270) Titled Tuesday intern op 21st Dec blitz 2021 (3)}) 13. e4 {[%emt 0:01:21]} dxe4 {[%emt 0:01:51]} 14. Nxe4 {[%emt 0:00:10]} Qe7 {[%emt 0:00:00]} 15. Nxd6 {[%emt 0:00:40]} Qxd6 {[%emt 0:00:02]} 16. Qd2 {[%emt 0:00:44]} Rfd8 {[%emt 0:08:07]} 17. Rfd1 {[%emt 0:01:09]} Be8 {[%emt 0:00:10]} 18. a3 {[%emt 0:02:50]} b6 {[%emt 0:01:44]} 19. Ne1 {[%emt 0:01:59]} Ne7 {[%emt 0:02:22]} (19... e5 $5 {[%cal Rc6d4]} 20. f4 exd4 $15) 20. Rxc8 {[%emt 0:00:18]} Rxc8 {[%emt 0:00:17]} 21. Qe2 {[%emt 0:03:05]} Ba4 $1 {[%emt 0:06:20]} 22. Rd2 {[%emt 0:01:11]} Rc1 {[%emt 0:04:49]} 23. Be4 {[%emt 0:00:23] [#]} Bb5 $1 {[%emt 0:01:42][%mdl 576] Deflection} 24. Bd3 {[%emt 0:01:21]} Bc6 {[%emt 0:14:24] Black is more active.} 25. Be4 {[%emt 0:01:16]} Bxe4 {[%emt 0:02:35]} 26. Qxe4 {[%emt 0:00:07]} Qd5 {[%emt 0:00:04] Repels Qa8+} 27. Re2 {[%emt 0:01:14]} Rd1 {[%emt 0:01:53]} (27... Qxe4 {simplifies} 28. Rxe4 Rb1 29. Re2 Nc6) 28. Kg2 {[%emt 0:02:19] [#]} (28. Qxd5 $17 {was called for.} Nxd5 29. Kf1) 28... Rxd4 {[%emt 0:01:08]} (28... Qxe4+ $1 $19 29. Rxe4 Rd2) 29. Qxd5 $17 {[%emt 0:00:10]} Nxd5 $19 {[%emt 0:02:04][%mdl 4096] Endgame KRN-KRN} 30. Nf3 {[%emt 0:00:30]} Rc4 {[%emt 0:00:16]} 31. Ne5 {[%emt 0:00:58]} Rc7 {[%emt 0:01:09]} 32. f4 {[%emt 0:02:28]} Kf8 {[%emt 0:06:43]} 33. Kf3 {[%emt 0:00:42]} f6 {[%emt 0:04:01]} 34. Ng6+ {[%emt 0:04:27][%mdl 64] Discovered Attack} Kf7 {[%emt 0:00:39]} 35. Nh8+ {[%emt 0:00:06]} Kg8 {[%emt 0:14:08]} 36. Ng6 {[%emt 0:00:08]} Ne7 {[%emt 0:00:36]} 37. Nh4 {[%emt 0:03:33]} (37. Nxe7+ $142 Rxe7 38. Rc2) 37... Kf7 {[%emt 0:00:08]} 38. Kf2 {[%emt 0:02:31]} g5 {[%emt 0:01:37]} 39. Ng2 {[%emt 0:04:01]} Nf5 {[%emt 0:02:26]} 40. Rd2 {[%emt 0:01:46]} Ke7 {[%emt 0:07:23]} ({Black should try} 40... g4 $19 41. Ne3 Nxe3 42. Kxe3 Kg6) 41. g4 {[%emt 0:30:53]} Nd6 {[%emt 0:30:16] ...Ne4+ is the strong threat.} 42. Re2 {[%emt 0:00:15] Repels Ne4+} Kd7 {[%emt 0:04:58]} 43. h4 {[%emt 0:00:24]} Rc4 {[%emt 0:01:14]} 44. Kf3 {[%emt 0:00:20]} Rd4 {[%emt 0:00:35]} 45. hxg5 {[%emt 0:01:10]} (45. b3 {keeps fighting.}) 45... hxg5 {[%emt 0:00:21]} ({Not} 45... fxg5 46. fxg5 hxg5 47. Re5) 46. fxg5 {[%emt 0:00:07]} fxg5 {[%emt 0:00:09]} 47. Re5 {[%emt 0:02:19]} Rd3+ {[%emt 0:02:49]} 48. Ke2 {[%emt 0:02:11] [#]} Rd5 {[%emt 0:02:13]} 49. Re3 {[%emt 0:00:12]} (49. Rxd5 $142 exd5 50. b3) 49... Nc4 {[%emt 0:01:10][%csl LRb2,LRe3]} 50. Rh3 {[%emt 0:00:34]} a5 {[%emt 0:01:17]} (50... Nxb2 $2 {too greedy.} 51. Rh7+ Kd6 52. Rxa7 $19) 51. b4 {[%emt 0:01:29]} axb4 {[%emt 0:00:53]} 52. axb4 {[%emt 0:00:06]} Kc6 {[%emt 0:00:36]} 53. Rh6 {[%emt 0:00:37]} Re5+ {[%emt 0:00:30]} 54. Kd3 $2 {[%emt 0:02:31]} (54. Kf2) 54... Kb5 {[%emt 0:03:24] Weighted Error Value: White=0.21 (precise) /Black=0.11 (very precise)} 0-1

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.29"]
[Round "6.3"]
[White "Koehler, Gerhard"]
[Black "Braeunlin, Herbert"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2241"]
[BlackElo "2077"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 10,64,18,10,32,-10,31,27,53,48,71,85,105,111,208,185,296,308,291,295,262,281,245,193,244,228,288,290,379,370,841,840,845,852,830,826,826,818,770,552,801,618,1086,1063,1122,1112,1713,1720,1686,1612,29980,29981,29997,29998,29998,29999,29999]} 1. c4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:06]} 2. g3 {[%emt 0:00:00]} c5 {[%emt 0:01:37]} 3. Bg2 {[%emt 0:00:46]} g6 {[%emt 0:01:53]} 4. Nc3 {[%emt 0:00:16]} Nc6 {[%emt 0:00:15]} 5. a3 {[%emt 0:00:22]} Bg7 {[%emt 0:00:16]} 6. Rb1 {[%emt 0:00:13]} h5 {[%emt 0:06:47] 6...0-0 is becoming the main line. A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} 7. Nf3 {[%emt 0:07:52] [#]} d6 $146 {[%emt 0:07:16]} ({Predecessor:} 7... a5 8. d4 d6 9. d5 Nb8 10. e4 Ng4 11. Ng5 Bd4 12. O-O h4 13. Nb5 hxg3 14. hxg3 {1-0 Webster,A (2417)-Briggs,P (2200) BCF-ch 87th Millfield 2000 (3)}) 8. b4 {[%emt 0:03:27]} cxb4 {[%emt 0:04:48] White has an edge.} 9. axb4 {[%emt 0:00:26]} Bf5 {[%emt 0:00:18]} 10. d3 {[%emt 0:00:45]} Ng4 {[%emt 0:11:08]} 11. Bd2 {[%emt 0:04:02]} h4 {[%emt 0:05:10]} 12. h3 {[%emt 0:25:51]} ({Not} 12. gxh4 a6 $14) 12... hxg3 {[%emt 0:17:37]} (12... Nge5 $142) 13. hxg4 $18 {[%emt 0:00:42]} Rxh1+ {[%emt 0:00:04]} 14. Bxh1 {[%emt 0:00:20]} gxf2+ {[%emt 0:00:38]} 15. Kxf2 {[%emt 0:00:53]} Bxg4 {[%emt 0:00:11]} 16. Ne4 {[%emt 0:08:02]} Qd7 {[%emt 0:12:43]} (16... d5 {was worth a try.}) 17. Qa4 {[%emt 0:05:12]} f5 {[%emt 0:13:02]} 18. Neg5 {[%emt 0:02:53]} e5 {[%emt 0:00:58]} 19. Bg2 {[%emt 0:09:38]} O-O-O $2 {[%emt 0:05:35]} (19... a6 20. b5 Nd8) 20. b5 {[%emt 0:01:38][%mdl 64] [#] Deflection} Nb8 {[%emt 0:00:01]} 21. Qxa7 {[%emt 0:08:32]} e4 {[%emt 0:01:06]} 22. Nd4 {[%emt 0:00:54]} Re8 {[%emt 0:06:49]} 23. dxe4 {[%emt 0:09:38]} Bf6 {[%emt 0:00:15]} 24. Be3 {[%emt 0:03:37][%cal Bd2e3,Be3f4,Bf4d6][%mdl 32]} Qe7 {[%emt 0:01:30]} 25. Nge6 {[%emt 0:00:44]} f4 {[%emt 0:01:01]} 26. Nxf4 {[%emt 0:00:35] [#] Nd5 is the strong threat.} Be5 {[%emt 0:00:00]} 27. Ke1 {[%emt 0:01:00] Strongly threatening Nd5.} Qh4+ {[%emt 0:01:33]} 28. Kd2 {[%emt 0:01:42]} Bxf4 {[%emt 0:01:02]} 29. Bxf4 {[%emt 0:00:19]} Qf2 {[%emt 0:00:02]} 30. Bxd6 {[%emt 0:00:47] White mates.} Rd8 {[%emt 0:01:04]} 31. Qxb8+ {[%emt 0:00:20]} Kd7 {[%emt 0:00:00]} 32. Qc7+ {[%emt 0:00:13]} Ke8 {[%emt 0:00:04]} 33. Qe7# {[%emt 0:00:13] Black did not feel at home in the position after the opening.   Weighted Error Value: White=0.50/Black=0.79} 1-0

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.29"]
[Round "6.4"]
[White "Jandke, Manfred"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2061"]
[BlackElo "2089"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 15,47,-36,-35,-33,-16,-30,0,0,0,-22,0,0,35,0,11,13,30,29,39,-16,-8,-90,-86,-95,-12,-3,8,6,12,0,-21,-40,62,-72]} 1. c4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:15]} 2. g3 {[%emt 0:00:09]} g6 {[%emt 0:00:12]} 3. Nf3 {[%emt 0:00:14]} Bg7 {[%emt 0:00:09]} 4. Bg2 {[%emt 0:00:08]} d6 {[%emt 0:00:07]} 5. d4 {[%emt 0:00:20]} O-O {[%emt 0:00:08]} 6. O-O {[%emt 0:00:07]} Nc6 {[%emt 0:00:24]} 7. b3 {[%emt 0:01:44]} e5 $1 {[%emt 0:01:31][%cal Be7e5,Be5e4][%mdl 32] The main line 7...e5 scores better than 7...a6.} 8. Bb2 {[%emt 0:00:57]} e4 {[%emt 0:02:43]} 9. Ne1 {[%emt 0:02:02] E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} Re8 {[%emt 0:03:52]} 10. Nc2 {[%emt 0:02:33]} h5 {[%emt 0:04:36]} 11. Nc3 {[%emt 0:06:23] The position is equal.} h4 {[%emt 0:03:18] [#]} 12. Ne3 $146 {[%emt 0:08:27]} ({Predecessor:} 12. b4 Bg4 13. b5 Ne7 14. Nxe4 Nxe4 15. Bxe4 Nf5 16. Bf3 Qg5 17. Qc1 Qh5 18. Qf4 hxg3 19. hxg3 Bxf3 20. Qxf3 Rxe2 {½-½ Postny,E (2552)-Jobava,B (2582) Titled Tuesday intern op 02nd Nov blitz 2021 (9)}) 12... hxg3 {[%emt 0:00:17]} (12... Nh5 {keeps more tension.} 13. Nc2 e3 14. gxh4 Nf4) 13. hxg3 {[%emt 0:01:08]} Bh6 {[%emt 0:07:27]} 14. Ncd5 {[%emt 0:08:38]} Nxd5 {[%emt 0:10:55]} 15. Nxd5 {[%emt 0:01:02]} ({But not} 15. cxd5 Ne7 16. f4 (16. Bxe4 Bxe3 17. fxe3 Nf5 $17) 16... exf3 17. Rxf3 Bf5 18. Nxf5 Nxf5 $17) 15... Bf5 {[%emt 0:02:45]} 16. e3 {[%emt 0:02:54]} Nb8 {[%emt 0:02:00]} 17. Qc2 {[%emt 0:07:15]} (17. f3 $14 Nd7 18. fxe4 Bxe4 19. Qg4 (19. Bxe4 Rxe4 20. Qf3 f5 $11) 19... Bxg2 20. Kxg2) 17... Nd7 {[%emt 0:01:53]} 18. b4 {[%emt 0:07:09]} (18. Qe2 $11 {keeps the balance.}) 18... c6 $17 {[%emt 0:01:50]} 19. Nc3 {[%emt 0:01:37]} Nf6 {[%emt 0:01:51]} ({Better is} 19... Qg5 $17) 20. d5 $11 {[%emt 0:01:50]} Qe7 {[%emt 0:05:11]} 21. dxc6 {[%emt 0:01:49]} bxc6 {[%emt 0:00:07]} 22. Rad1 {[%emt 0:01:03]} Ng4 {[%emt 0:02:28]} 23. Ne2 {[%emt 0:04:27]} Kh7 {[%emt 0:06:53]} (23... Qg5 $15 24. Qc3 (24. Rxd6 $2 {loses.} Qh5 $19) 24... Ne5) 24. Nf4 {[%emt 0:13:29] Weighted Error Value: White=0.21 (precise) /Black=0.26 (precise)} (24. Nd4 $1 $14) 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.30"]
[Round "7.1"]
[White "Hess, Christian"]
[Black "Postler, Reinhard"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2215"]
[BlackElo "2202"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 20,30,17,17,14,20,14,22,29,20,35,10,28]} 1. c4 {[%emt 0:01:03]} e6 {[%emt 0:00:16]} 2. g3 {[%emt 0:00:27]} d5 {[%emt 0:00:03]} 3. Bg2 {[%emt 0:00:08]} Nf6 {[%emt 0:00:24]} 4. Nf3 {[%emt 0:00:16]} Be7 {[%emt 0:00:24]} 5. O-O {[%emt 0:00:14]} O-O {[%emt 0:00:24]} 6. d4 {[%emt 0:00:15]} c6 {[%emt 0:00:14]} 7. Nc3 {[%emt 0:01:07]} Nbd7 {[%emt 0:01:22]} 8. b3 {[%emt 0:02:16]} b6 {[%emt 0:00:29]} 9. Bb2 {[%emt 0:02:07]} Bb7 {[%emt 0:00:21] 9...Ba6 is the fancy move.} 10. Qc2 {[%emt 0:02:46]} Qc7 {[%emt 0:05:24]} 11. Rad1 {[%emt 0:05:04]} Rfd8 {[%emt 0:04:42] E08: Closed Catalan: Main Line: 7 Qc2.} 12. e4 {[%emt 0:19:26]} Nxe4 {[%emt 0:10:45]} 13. Nxe4 {[%emt 0:00:48]} dxe4 {[%emt 0:00:07]} 14. Qxe4 {[%emt 0:00:25] [#]} c5 $146 {[%emt 0:00:48]} ({Predecessor:} 14... Nf6 15. Qe2 a5 16. a3 c5 17. Rfe1 cxd4 18. Nxd4 Bxg2 19. Kxg2 Rd7 20. Qf3 Rad8 {1-0 Navara,D (2710)-Houska,J (2416) Gibraltar Masters 11th 2013 (2)}) 15. Qe2 {[%emt 0:02:08]} cxd4 {[%emt 0:00:30] Not much happened in this game.   Weighted Error Value: White=0.10 (very precise) /Black=0.04 (flawless)} 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.30"]
[Round "7.3"]
[White "Niehaus, Frank"]
[Black "Brustkern, Juergen"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2089"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 14,52,27,25,36,32,15,31,22,22,12,23,31,25,28,31,67,62,87,89,131,123,125,114,109,123,142,150,211,57,69,28,29,33,33,0,37,0,17,41,18]} 1. e4 {[%emt 0:00:14]} c5 {[%emt 0:01:02]} 2. Nf3 {[%emt 0:00:35][%cal Bg1f3,Bf3d4,Bd4b5,Bb5a3,Ba3c4][%mdl 32]} Nc6 {[%emt 0:00:12]} 3. d4 {[%emt 0:00:25]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:09]} e5 {[%emt 0:00:05]} 5. Nb5 {[%emt 0:00:23]} d6 {[%emt 0:00:06]} 6. N1c3 {[%emt 0:00:38]} a6 {[%emt 0:00:13]} 7. Na3 {[%emt 0:00:12]} Be6 {[%emt 0:00:31]} 8. Nc4 {[%emt 0:01:22]} Be7 {[%emt 0:01:49] 8...Rb8 gains popularity. B32: Sicilian: Löwenthal and Kalashnikov Variations.} 9. Ne3 {[%emt 0:02:12]} Nf6 {[%emt 0:03:25]} 10. g3 {[%emt 0:00:43]} h5 {[%emt 0:02:49][%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 11. Bg2 {[%emt 0:01:36]} h4 {[%emt 0:01:05]} 12. O-O {[%emt 0:01:29] [#]} h3 $146 {[%emt 0:17:39]} ({Predecessor:} 12... hxg3 13. hxg3 Nd4 14. Ne2 Nc6 15. Nd5 Rc8 16. Be3 Bxd5 17. exd5 Nb8 18. Rc1 Ng4 {0-1 Ostrovskiy,A (2295)-Bierkens,P (2137) Philadelphia op 2011 (7)}) 13. Bh1 {[%emt 0:02:30]} g6 {[%emt 0:06:39]} 14. Ncd5 {[%emt 0:01:29]} Rc8 {[%emt 0:03:15]} 15. c3 {[%emt 0:03:05]} O-O 16. f4 {[%emt 0:00:30]} exf4 17. gxf4 {[%emt 0:00:30]} Bxd5 18. exd5 {[%emt 0:00:30]} Nb8 19. Bf3 {[%emt 0:00:30]} Qb6 20. Kh1 {[%emt 0:00:30]} Rfe8 (20... Nbd7 $16 21. Bg4 Rce8) 21. Qd3 $2 {[%emt 0:00:30] [#]} (21. f5 $18 {Threatens to win with fxg6.} g5 22. Rg1) 21... Nbd7 $14 22. b4 {[%emt 0:00:30]} (22. Ng4 {is more complex.} Qc5 23. f5 Nxg4 24. fxg6 Nf2+ 25. Rxf2 Qxf2 26. gxf7+ Kg7 27. fxe8=N+ Rxe8 28. Qe3) 22... Bf8 23. Bd2 {[%emt 0:00:30]} Bg7 24. Rfe1 {[%emt 0:00:30]} Re7 25. Nc2 {[%emt 0:00:30]} Rce8 26. Rxe7 {[%emt 0:00:30]} Rxe7 {Weighted Error Value: White=0.19 (very precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.30"]
[Round "7.4"]
[White "Wolf, Christian"]
[Black "Daverkausen, Bernd"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2174"]
[BlackElo "2120"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 18,122,29,25,95,8,17,14,12,-20,-11,-54,-55,-46,-52,-51,-36,-71,-7,-47,-12,-7,0,-43,-43,-54,-52,-66,-68,-89,-89,-99,-91,-93,-77,-68,-72,-87,-66,-103,-94,-69,-69,-75,-29,-41,-51,-93,-92,-140,-137,-142,-145,-229,-101,-200,-239,-207,-188,-408,-404,-505,-457,-416,-143,-271,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-143,-29978,-29979,-29978,-143]} 1. e4 {[%emt 0:00:07][%cal Be2e4,Be4e5][%mdl 32]} c5 {[%emt 0:00:09]} 2. c3 {[%emt 0:00:21]} Nf6 {[%emt 0:00:14]} 3. e5 {[%emt 0:00:18]} Nd5 {[%emt 0:00:10]} 4. d4 {[%emt 0:00:18]} cxd4 {[%emt 0:00:09]} 5. cxd4 {[%emt 0:00:09]} d6 {[%emt 0:00:15]} 6. Nf3 {[%emt 0:00:22]} Nc6 {[%emt 0:00:10]} 7. Bc4 {[%emt 0:00:32]} Nb6 {[%emt 0:00:10]} 8. Bb5 {[%emt 0:00:28]} Bd7 {[%emt 0:00:13]} 9. Nc3 {[%emt 0:00:50]} e6 {[%emt 0:00:31]} 10. O-O {[%emt 0:02:10] Black should prevent d5.} Nb4 {[%emt 0:03:04] B22: Sicilian: 2 c3.} (10... a6 $11 11. Bd3 Be7) 11. Qe2 {[%emt 0:18:42]} ({White should try} 11. Bg5 $16 Be7 12. Ne4) 11... a6 {[%emt 0:08:53]} 12. Bxd7+ {[%emt 0:01:01]} Qxd7 {[%emt 0:00:12] [#] The position is equal.} 13. Bf4 $146 {[%emt 0:05:40]} ({Predecessor:} 13. a3 N4d5 14. Ng5 Nxc3 15. bxc3 d5 16. Qh5 h6 17. f4 g6 18. Qh3 Rc8 19. g4 {0-1 Rosa Ramirez,V (1898)-Paarup,T (2046) Galapagar op 09th 2008 (3)}) 13... N4d5 {[%emt 0:10:29]} 14. Bg3 {[%emt 0:02:29]} Nxc3 {[%emt 0:02:57]} 15. bxc3 {[%emt 0:00:23][%cal Od4d5]} d5 {[%emt 0:00:09]} 16. Nd2 Rc8 {[%emt 0:00:30]} 17. Qd3 Nc4 {[%emt 0:00:30]} (17... Na4 $17 18. Rac1 b5) 18. f4 Nxd2 {[%emt 0:00:30]} (18... Nb2 $5 {[%cal Rb2d3]} 19. Qe3 Be7 $15) 19. Qxd2 Rc4 {[%emt 0:00:30]} 20. Rf3 Be7 {[%emt 0:00:30]} 21. Raf1 g6 {[%emt 0:00:30]} 22. Be1 h5 {[%emt 0:00:30]} 23. g3 b5 {[%emt 0:00:30]} 24. h3 Qc6 {[%emt 0:00:30]} 25. g4 hxg4 {[%emt 0:00:30]} 26. hxg4 b4 {[%emt 0:00:30]} 27. Qd3 bxc3 {[%emt 0:00:30]} 28. Bxc3 Kd7 {[%emt 0:00:30]} 29. f5 gxf5 {[%emt 0:00:30]} 30. gxf5 Rc8 {[%emt 0:00:30]} (30... Rg8+ $17 31. Kh2 Rc8) 31. fxe6+ Qxe6 {[%emt 0:00:30]} 32. Be1 Qg4+ {[%emt 0:00:30]} 33. Rg3 (33. Bg3 $142) 33... Qxd4+ $17 {[%emt 0:00:30]} 34. Qxd4 Rxd4 {[%emt 0:00:30]} 35. Rxf7 (35. Rg7 $17 {might work better.}) 35... Re4 {[%emt 0:00:30]} (35... Rd1 $19 {and Black stays clearly on top.} 36. Rf1 Rcc1 37. e6+ {[%mdl 64] Decoy} Kxe6 38. Re3+ Kd7) 36. Bc3 (36. Bf2 $17 {keeps fighting.}) 36... Ke6 $19 {[%emt 0:00:30]} 37. Rh7 d4 {[%emt 0:00:30]} 38. Ba5 (38. Bd2) 38... Rxe5 {[%emt 0:00:30]} ({Avoid the trap} 38... Rc1+ $2 39. Kg2 $19) 39. Bb6 Re2 {[%emt 0:00:30][%cal Rc8c1]} 40. Rf3 Rc1+ {[%emt 0:00:30]} (40... Rxa2 41. Bxd4 Bc5 42. Rh6+ Kd5 43. Bxc5 Rxc5 44. Rf2 Rc1+ 45. Kg2 $17) 41. Rf1 Rxf1+ {[%emt 0:30:30]} (41... Rc4 $19 {...d3 would be deadly.} 42. Rh6+ Kd5) 42. Kxf1 {[%mdl 4096] Endgame KRB-KRB} d3 {[%emt 0:00:30]} 43. Rh3 Rd2 $1 {[%emt 0:00:30] And now ...Kd5 would win.} ({And not} 43... Rxa2 44. Rxd3 Bd6 45. Rd4 $15) 44. Re3+ Kd7 {[%emt 0:00:30] Threatens to win with ...Bb4. Black is much more active.} 45. Ba5 {Prevents Bb4.} Rd1+ {[%emt 0:00:30]} ({Stronger than} 45... Rxa2 46. Rxd3+ Kc6 47. Rc3+ Kd7 48. Rd3+ Kc6 49. Be1 $15) 46. Re1 Rxe1+ {[%emt 0:00:30]} 47. Kxe1 $17 {KB-KB} Bg5 {[%emt 0:00:30]} 48. Bd2 Bh4+ {[%emt 0:00:30]} 49. Kd1 Kc6 {[%emt 0:00:30]} 50. Be3 Kd5 {[%emt 0:00:30]} 51. Kd2 Kc4 {[%emt 0:00:30]} 52. Kd1 Be7 {[%emt 0:00:30]} 53. Bc1 Kc3 {[%emt 0:00:30]} 54. Bh6 Ba3 {[%emt 0:00:30]} 55. Bd2+ Kc4 {[%emt 0:00:30]} 56. Bh6 Bb2 {[%emt 0:00:30]} 57. Bf8 a5 {[%emt 0:00:30]} 58. Be7 Bc3 {[%emt 0:00:30]} 59. Bf8 Kb5 {[%emt 0:00:30] ( -> ...Ka4)} 60. Ba3 $2 {[%mdl 8192] [#]} (60. Be7 $17 Ka4 61. Kc1) 60... Ka4 $1 {[%emt 0:00:30]} 61. Bc1 {[#]} Bb4 $2 {[%emt 0:00:30] Weighted Error Value: White=0.37/Black=0.20 (precise)} (61... Kb4 $1 {mates} 62. Bg5 Ka3 63. Bd2 Bxd2 64. Kxd2 Kxa2 65. Kxd3 Kb2 66. Ke2 a4 67. Kd2 a3 68. Ke3 a2 69. Kf2 a1=Q 70. Kg3 Kc3 71. Kg4 Kd4 72. Kf4 Qa5 73. Kf3 Qf5+ 74. Kg3 Ke3 75. Kh4 Qg6 76. Kh3 Kf3 77. Kh4 Qh6#) 0-1

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.31"]
[Round "8.1"]
[White "Daverkausen, Bernd"]
[Black "Hess, Christian"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "2120"]
[BlackElo "2215"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 12,54,22,14,29,-14,-13,-23,-20,-4,-22,-16,-11,-14,-12,-20,-6,-8,-3,-43,-41,-61,-50,-64,-49,-38,-43,-82,-45,-88,-59,-77,-74,-134,-133,-134,-128,-135,-131,-184,-180,-197,-108,-450,-320]} 1. c4 {[%emt 0:00:05]} c5 {[%emt 0:00:54]} 2. Nf3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:10]} 3. d4 {[%emt 0:00:14]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:07]} Qb6 {[%emt 0:01:33]} 5. Nb3 {[%emt 0:01:11]} Nf6 {[%emt 0:00:37]} 6. Nc3 {[%emt 0:00:33]} e6 {[%emt 0:00:54]} 7. e4 {[%emt 0:05:59]} Bb4 {[%emt 0:02:03] A31: Symmetrical English: 2 Nf3 Nf6 3 d4.} 8. Be3 {[%emt 0:03:09]} (8. Bd3 $5) 8... Qc7 {[%emt 0:00:58]} 9. Bd3 {[%emt 0:16:25]} d5 {[%emt 0:10:04] Black has an edge.} 10. cxd5 {[%emt 0:17:17]} exd5 {[%emt 0:00:29]} 11. exd5 {[%emt 0:00:21]} Nxd5 {[%emt 0:00:39]} 12. Bd2 {[%emt 0:00:57] [#]} (12. O-O {with more complications.} Nxe3 13. Re1 O-O 14. Rxe3 Be6 15. Ne4) 12... Qe5+ $146 {[%emt 0:20:24]} ({Predecessor:} 12... Nxc3 13. bxc3 Bd6 14. h3 Bd7 15. Qe2+ Ne7 16. O-O O-O-O 17. c4 Nc6 18. Rab1 Rde8 {½-½ Cantanhede,H-Borensztajn,D Rio de Janeiro Clube Naval op 2nd 1995 (9)}) 13. Qe2 $1 {[%emt 0:00:33]} Nxc3 {[%emt 0:01:47]} (13... Qxe2+ {simplifies} 14. Bxe2 Be6 15. O-O O-O-O) 14. bxc3 {[%emt 0:04:20]} Bd6 {[%emt 0:04:27]} (14... Qxe2+ {simplifies} 15. Bxe2 Ba3 16. O-O Bf5) 15. Rb1 {[%emt 0:09:40]} O-O {[%emt 0:03:56]} 16. Qxe5 {[%emt 0:00:39]} Nxe5 {[%emt 0:15:25]} 17. Be4 {[%emt 0:10:23]} Re8 {[%emt 0:01:20]} (17... Ng4 $5 {[%cal Rf8e8]} 18. O-O Re8 $17) 18. O-O {[%emt 0:04:34]} Ng4 {[%emt 0:05:32][%csl LRe4,LRh2]} 19. Bd5 {[%emt 0:00:08]} Bf5 $36 {[%emt 0:05:35][%mdl 2048] Black has some pressure. Black is more active.} ({Reject} 19... Nxh2 $6 20. Rfe1 Bf5 21. Rbd1 $11) 20. Rbd1 {[%emt 0:02:31]} Bxh2+ {[%emt 0:06:48]} 21. Kh1 {[%emt 0:00:07]} Bc7 {[%emt 0:00:43] [#] ...Bd3 is the strong threat.} 22. f3 {[%emt 0:07:04]} ({White should try} 22. Bxb7 Rab8 23. Ba6) 22... Ne3 $17 {[%emt 0:01:51]} 23. Bxe3 {[%emt 0:00:17]} Rxe3 {[%emt 0:00:04]} 24. Bxb7 {[%emt 0:00:15]} Rae8 {[%emt 0:02:03][%cal Of5d3] ...Bd3! would be deadly.} 25. g4 {[%emt 0:04:41]} (25. Bc6 $17 {is a better defense.} R8e7 26. Bb5) 25... Bd3 $19 {[%emt 0:01:27] A strong pair of Bishops.} 26. Rf2 {[%emt 0:00:17]} Bg3 {[%emt 0:06:10]} (26... Bc4 $19 27. Nd4 h5) 27. Bc6 $2 {[%emt 0:09:28][%mdl 8192] [#]} Re1+ {[%emt 0:03:36] Weighted Error Value: White=0.48/Black=0.10 (very precise)} 0-1

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.31"]
[Round "8.2"]
[White "Postler, Reinhard"]
[Black "Syre, Christian"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2202"]
[BlackElo "2197"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 21,61,31,75,22,50,59,70,60,158,69,129,128,155,147,143,123,124,104,210,176,149,87,170,177,242,206,260,222,292,274,281,273,526,420,507,474,633,633,614,582,628,608]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:13]} 2. Nf3 {[%emt 0:00:34]} Nc6 {[%emt 0:00:16]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:09]} e5 {[%emt 0:00:11]} 5. Nb5 {[%emt 0:00:18]} d6 {[%emt 0:00:11]} 6. N1c3 {[%emt 0:00:41]} a6 {[%emt 0:00:10]} 7. Na3 {[%emt 0:00:03]} b5 {[%emt 0:00:19]} 8. Nd5 {[%emt 0:00:41]} Nge7 {[%emt 0:00:06]} 9. c4 {[%emt 0:03:50]} Nd4 {[%emt 0:00:50]} 10. cxb5 {[%emt 0:02:10]} Nxd5 {[%emt 0:00:08]} 11. exd5 {[%emt 0:00:10]} Be7 {[%emt 0:00:28]} 12. Bc4 {[%emt 0:06:33] B32: Sicilian: Löwenthal and Kalashnikov Variations.} (12. Bd3 $16) 12... O-O {[%emt 0:01:26]} 13. O-O {[%emt 0:01:58]} Qb6 {[%emt 0:04:32][%cal Ra6b5]} 14. Be3 {[%emt 0:08:44] [#] White is slightly better.} Bd7 $146 {[%emt 0:00:08]} ({Better is} 14... g6 $14) ({Predecessor:} 14... Bf6 15. Qd2 axb5 16. Nxb5 Ba6 17. a4 Rfc8 18. b3 Bxb5 19. axb5 {1-0 Zanette,E (2115)-Nazaretyan,T (2316) Titled Tuesday intern op 02nd Aug Late blitz 2022 (1)}) 15. Nc2 {[%emt 0:01:51]} (15. bxa6 $16 {aiming for Nc2.} Bf6 16. Bd3) 15... Bf6 {[%emt 0:00:07]} ({Black should try} 15... Qc7 $14 16. Nxd4 exd4 17. Qxd4 axb5) 16. bxa6 $16 {[%emt 0:03:06]} Qxb2 {[%emt 0:00:52]} 17. Nxd4 {[%emt 0:16:07]} exd4 {[%emt 0:00:02]} 18. Rb1 {[%emt 0:04:21]} Qc3 {[%emt 0:00:32]} 19. Rc1 {[%emt 0:00:44]} Qb2 {[%emt 0:00:19]} (19... Qa3 $16 {might work better.} 20. Bxd4 Bxd4 21. Qxd4 Bc8) 20. Bd2 {[%emt 0:04:48] [#] And now Rb1 would win.} Bf5 {[%emt 0:32:45] Dodges Rb1} 21. Qf3 {[%emt 0:04:43]} (21. a4 $142) 21... Qxd2 {[%emt 0:03:12]} (21... Bc8 $16 22. Qd3 Qb6) 22. Qxf5 $18 {[%emt 0:00:08]} d3 {[%emt 0:12:27]} (22... Be5 $142 23. Rc2 Qa5) 23. Bxd3 {[%emt 0:01:51][%csl Gd3][%cal Rf5h7]} Qh6 {[%emt 0:00:03]} 24. Qe4 {[%emt 0:03:59]} Rfe8 {[%emt 0:00:28]} 25. Qa4 {[%emt 0:00:17]} Be5 {[%emt 0:02:30][%csl Ge5][%cal Rh6h2] [#]} 26. g3 {[%emt 0:00:10]} Bb2 $2 {[%emt 0:00:30]} (26... Qf6 {was called for.} 27. Rc4 g6) 27. Rc4 {[%emt 0:08:28][%cal Bc1c4,Bc4c7,Bc7d7][%mdl 32]} g6 {[%emt 0:05:36]} 28. Rc7 {[%emt 0:03:18] Against Re7. White is clearly winning.} Qg7 {[%emt 0:11:48]} 29. Bb5 {[%emt 0:00:30]} Rf8 {[%emt 0:05:30]} 30. Bc6 {[%emt 0:01:05]} Qc3 {[%emt 0:12:14]} 31. Rd7 {[%emt 0:01:38] Weighted Error Value: White=0.27 (precise) /Black=0.65} 1-0

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.31"]
[Round "8.3"]
[White "Kreutzkamp, Hans-Rudolf"]
[Black "Brustkern, Juergen"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2094"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,98,0,0,0,0,-15,-5,-10,27,-20,-23,-13,-2,-17,0,0,4,-4,0,0,0,-1,0,-72,-72,-81,-52,-68,-62,-94,-74,-91,-62,-73,-47,-128,-126,-129,-128,-143,-144,-137,-147,-193,-196,-185,-168,-170,-154,-216,-197,-243,-153,-153,-103,-138,-139,-120,-116,-115,-87,-144,-133,-116,-114,-214,-211,-195,-84,-174,-50,-56,-55,-60,-58,-50,-52,-58,-57,-125,-16,-19,0,0,0,0,0,0,0,0,8]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:05]} 3. b3 {[%emt 0:00:05]} d6 {[%emt 0:04:16]} 4. Bb2 {[%emt 0:00:27]} Nf6 {[%emt 0:00:21]} 5. Nc3 {[%emt 0:00:15]} e6 {[%emt 0:01:36]} 6. Be2 {[%emt 0:03:21] B50: Sicilian: 2...d6, Miscellaneous.} Be7 {[%emt 0:01:01]} 7. d4 {[%emt 0:01:26]} cxd4 {[%emt 0:01:30]} 8. Nxd4 {[%emt 0:00:14]} a6 {[%emt 0:01:06]} 9. O-O {[%emt 0:00:59]} (9. Nxc6 {deserves consideration.} bxc6 10. Qd3) 9... Bd7 $11 {[%emt 0:00:32]} 10. a4 {[%emt 0:02:31]} O-O {[%emt 0:01:56]} 11. Kh1 {[%emt 0:00:23] [#]} Qa5 $146 {[%emt 0:11:45]} ({Predecessor:} 11... Qc7 12. f4 Rfd8 13. Nf3 Rac8 14. Qe1 Nb4 15. Rc1 Bc6 16. e5 dxe5 17. fxe5 Nfd5 18. Nxd5 Bxd5 {1-0 Apicella,M (2520)-Bocharov,D (2452) Dos Hermanas Internet f 3rd 2002 (1.3)}) 12. f4 {[%emt 0:01:22]} Rac8 {[%emt 0:03:15]} 13. Bf3 {[%emt 0:07:47]} Nxd4 {[%emt 0:12:13]} 14. Qxd4 {[%emt 0:00:13]} e5 {[%emt 0:00:29]} 15. Qd3 {[%emt 0:05:26]} exf4 {[%emt 0:03:53]} 16. Nd5 {[%emt 0:00:55]} (16. Ne2 $11 {keeps the balance.}) 16... Nxd5 $17 {[%emt 0:00:11]} 17. exd5 {[%emt 0:00:08]} Qd8 18. c4 {[%emt 0:00:30]} Bf6 19. Rab1 {[%emt 0:00:30]} g6 20. Bxf6 {[%emt 0:00:30]} Qxf6 21. Be4 {[%emt 0:00:30]} Qe5 22. Qf3 {[%emt 0:00:30]} (22. Rbe1 $15 Qg5 23. Qd2) 22... Rce8 23. Bc2 {[%emt 0:00:30]} Qe2 24. Rf2 {[%emt 0:00:30]} Qxf3 25. Rxf3 {[%emt 0:00:30]} g5 26. a5 {[%emt 0:00:30]} (26. Kg1 $17) 26... Re2 $19 27. Bd3 {[%emt 0:00:30]} Rd2 {...Bg4 would be deadly.} 28. Bf1 {[%emt 0:00:30]} Re8 29. b4 {[%emt 0:00:30]} (29. Kg1 $17) 29... Bf5 30. Rc1 {[%emt 0:00:30]} (30. Ra1 $142) 30... Re3 31. Kg1 {[%emt 0:00:30]} Re7 (31... Kf8 $142 32. Rxe3 fxe3) 32. Rf2 {[%emt 0:00:30] [#]} Rd4 33. g3 {[%emt 0:00:30]} Rc7 34. gxf4 {[%emt 0:00:30]} gxf4 ({Of course not} 34... Rxf4 $6 35. Rxf4 gxf4 36. c5 $11) 35. Rf3 {[%emt 0:00:30]} ({Better is} 35. Rc3) 35... f6 {...Rg7+ is the strong threat.} 36. Rf2 {[%emt 0:00:30]} Kf8 37. Rb2 {[%emt 0:00:30]} (37. c5 $17) 37... Rxd5 {[%mdl 64] Pin} 38. Bg2 {[%emt 0:00:30]} Re5 (38... Rd4 $19 {and Black stays clearly on top. Threatens to win with ...d5.} 39. b5 Be6 40. Bxb7 Rxb7 41. bxa6 Re7 42. Rb8+ Kf7) 39. Rf1 {[%emt 0:00:30]} (39. Rd2 $17) 39... Be4 (39... Rxc4 $19 {White must now prevent ...d5.} 40. Bxb7 Bd3) 40. Rxf4 $15 {[%emt 0:00:30]} Rxc4 41. Bxe4 $1 {[%emt 0:30:30]} Rexe4 42. Rxf6+ {[%emt 0:00:30][%mdl 4096] Endgame KRR-KRR} Ke7 43. Rh6 {[%emt 0:00:30]} Rg4+ 44. Kf2 {[%emt 0:00:30] [#]} ({White should play} 44. Kf1 $1 $15) 44... Rcf4+ ({And not} 44... Rxb4 45. Rxh7+ Ke6 46. Rxb7 Rbf4+ 47. Ke3 $15) (44... Rh4 $1 $17 {[%cal Rh4h6]} 45. Rxh4 Rxh4) 45. Ke3 $11 {[%emt 0:00:30] The position is equal.} Rh4 46. Rxh7+ {[%emt 0:00:30][%mdl 64] Deflection} Rxh7 47. Kxf4 {[%emt 0:00:30]} Ke6 48. Kg5 {[%emt 0:00:30]} Rg7+ 49. Kf4 {[%emt 0:00:30]} Kf7 {Black had all chances to win.   Weighted Error Value: White=0.19 (very precise) /Black=0.20 (precise)} 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.01.31"]
[Round "8.4"]
[White "Mueller, Thomas"]
[Black "Vandre, Wolfgang"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2025"]
[BlackElo "2112"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,71,-4,12,24,33,22,35,10,22,0,0,13,12,13,20,11,51,50,52,56,64,65,66,75,125,131,131,124,122,77,71,0,0,0,442,414,515,527,482,458,483,-1,0,0,0,-11,-13,-14,1004,-370,-258,-652,-564,-483,0,0,0,0,0,0,0,0,868,851]} 1. d4 {[%emt 0:01:11]} Nf6 {[%emt 0:00:27]} 2. Nf3 {[%emt 0:00:04]} e6 {[%emt 0:00:48]} 3. Bg5 {[%emt 0:01:08]} h6 {[%emt 0:02:09]} 4. Bh4 {[%emt 0:00:10]} d6 {[%emt 0:01:12]} 5. c4 {[%emt 0:05:10]} Nbd7 {[%emt 0:03:15]} (5... g5 $5 6. Bg3 $8 Ne4 $11) 6. Nc3 {[%emt 0:07:11] A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} g5 {[%emt 0:00:58]} 7. Bg3 {[%emt 0:00:04]} Nh5 {[%emt 0:00:21]} 8. e3 {White is slightly better.} Bg7 {[%emt 0:00:30]} 9. Nd2 Nxg3 {[%emt 0:00:30]} 10. hxg3 Qe7 {[%emt 0:00:30]} 11. Be2 a6 {[%emt 0:00:30]} 12. Qc2 {[#]} c5 $146 {[%emt 0:00:30]} ({Predecessor:} 12... c6 13. g4 c5 14. dxc5 dxc5 15. O-O-O Ne5 16. Nde4 O-O 17. Rh5 b5 18. f4 Ng6 19. fxg5 hxg5 20. Nxg5 {1-0 Medancic,R (2247)-Kovacevic,B (2457) CRO-chT1B Sibenik 2007 (3)}) 13. dxc5 Nxc5 {[%emt 0:00:30]} 14. Rd1 O-O {[%emt 0:00:30]} 15. b4 Nd7 {[%emt 0:00:30][%cal Od6d5]} 16. Nde4 {[%mdl 64] Discovered Attack. White is more active.} d5 {[%emt 0:00:30]} 17. cxd5 $16 Qxb4 {[%emt 0:00:30] [#]} 18. dxe6 $1 fxe6 {[%emt 0:00:30]} 19. Kf1 {[%cal Oe4g5]} Rf7 {[%emt 0:00:30]} 20. Bg4 (20. Bh5 $16 Re7 21. Na4) 20... Nf8 $11 {[%emt 0:00:30]} 21. Rd8 $40 {[%cal Oe4g5][%mdl 128] aiming for Nxg5! White is up to no good.} Bxc3 $4 {[%emt 0:00:30][%mdl 8192]} (21... Rc7 $11 {and Black is okay.}) 22. Nxc3 $18 {Qg6+ is the strong threat.} (22. Qxc3 Qxc3 23. Nxc3 Rc7 $14) 22... Qxg4 {[%emt 0:00:30]} 23. Qg6+ (23. Rxh6 Kg7 24. Rxf8 Kxf8 $11) 23... Rg7 {[%emt 0:00:30]} 24. Qxh6 {White wants to mate with Qh8+.} Qb4 {[%emt 0:00:30] [#]} 25. Ne4 $2 Qb1+ {[%emt 0:00:30]} (25... Qxe4 $2 26. Qh8+ Kf7 27. Rxf8+ Ke7 28. Qxg7+ $18) 26. Ke2 {Intending Qh8+ and mate. Chess con chili.} Qb5+ {[%emt 0:00:30]} 27. Ke1 (27. Rd3 $5 Nh7 28. a4 $11) 27... Qa5+ {[%emt 0:00:30]} 28. Rd2 {Qh8+ would kill now.} Bd7 $2 {[%emt 0:00:30][%mdl 8192]} (28... Nh7 $11 29. Rh5 Bd7 30. Nxg5 Nxg5 31. Qh8+ Kf7 32. Qxa8 Qc7) 29. Nf6+ $4 {[%mdl 8192]} (29. Qh8+ $18 {was the only winning move.} Kf7 30. Nd6+ Kf6 31. Rh6+ (31. Nxb7 Qe5 $11) 31... Ng6 32. Qxa8) 29... Kf7 $19 {[%emt 0:00:30]} 30. Ng4 $2 (30. Ne4 Qe5 31. Rd4) 30... Qc3 {[%emt 0:00:30]} 31. f4 Rh7 $2 {[%emt 0:00:30]} (31... Rc8 $19 32. Ne5+ (32. fxg5 $2 Ng6 $19) 32... Ke8 33. Qh5+ (33. Qxg7 $2 Qxe3+ 34. Kf1 Rc1+ {[%mdl 64] Skewer}) 33... Ke7 34. Nxd7 Nxd7) 32. Qxh7+ $11 Nxh7 {[%emt 0:00:30]} 33. Rxh7+ Kg6 {[%emt 0:00:30]} ({Don't play} 33... Ke8 34. Rhxd7 Rc8 35. Ke2 $16 (35. fxg5 Rc7 $11)) 34. Rhxd7 {Kf2 would be deadly.} Kf5 {[%emt 0:00:30]} 35. Nh6+ Ke4 $2 {[%emt 0:00:30][%mdl 8192]} (35... Kg6 $11 36. Ng4 gxf4 37. gxf4 Kh5) 36. R7d4+ {A fantastic game!   Weighted Error Value: White=0.67/Black=0.64} (36. Rxb7 $2 {perishes.} Rd8 37. Rbb2 Rxd2 38. Rxd2 gxf4 39. gxf4 Qg7 $19) 1-0

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.02.01"]
[Round "9.1"]
[White "Hess, Christian"]
[Black "Mueller, Thomas"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2215"]
[BlackElo "2025"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 16,55,46,36,147,140,147,155,141,145,227,228,211,219,288,238,285,290,334,329,329,336,343,327,387,333,403,385,394,343,379,380,398,391,392,383,368,352,343,249,572,556]} 1. Nf3 {[%emt 0:00:14] Tsesarsky,Ilya} Nf6 {[%emt 0:00:15]} 2. c4 {[%emt 0:00:41]} g6 {[%emt 0:00:11]} 3. Nc3 {[%emt 0:00:21]} Bg7 {[%emt 0:00:41]} 4. d4 {[%emt 0:00:38]} d6 {[%emt 0:01:38]} 5. e4 {[%emt 0:00:42]} O-O {[%emt 0:01:40]} 6. Be2 {[%emt 0:01:36]} e5 {[%emt 0:05:16]} 7. Be3 {[%emt 0:01:17][%cal Bc1e3,Be3g5,Bg5h4][%mdl 32]} Ng4 {[%emt 0:09:37]} 8. Bg5 {[%emt 0:01:11]} f6 {[%emt 0:07:27]} 9. Bh4 {[%emt 0:00:30]} Nh6 {[%emt 0:02:35] E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} (9... Nc6 $14) 10. dxe5 $16 {[%emt 0:06:08] White is more active.} dxe5 {[%emt 0:00:55]} 11. Qxd8 {[%emt 0:00:27][%mdl 64] Remove Defender} Rxd8 {[%emt 0:00:05] [#] White is clearly better.} 12. Nd5 $1 {[%emt 0:00:58]} g5 {[%emt 0:01:34]} (12... Nd7 $16 {keeps fighting.}) 13. Nxc7 $18 {[%emt 0:04:15]} gxh4 {[%emt 0:01:53]} 14. Nxa8 {[%emt 0:00:17][%cal Oa8c7] [#]} h3 $146 {[%emt 0:03:44]} ({Predecessor:} 14... Na6 15. c5 Nxc5 16. Nc7 Nxe4 17. O-O Nf5 18. Rfd1 Rf8 19. Bc4+ Kh8 20. Ne6 Re8 {1-0 Gelfand,B (2695)-Polgar,J (2718) George Marx m rapid 2003 (5)}) 15. O-O {[%emt 0:07:27]} Nc6 {[%emt 0:01:38]} 16. Rad1 {[%emt 0:13:57]} Nd4 {[%emt 0:00:27]} 17. Nxd4 {[%emt 0:00:25]} exd4 {[%emt 0:00:01]} 18. Nc7 {[%emt 0:03:43]} f5 {[%emt 0:02:01]} 19. Bd3 {[%emt 0:07:29]} (19. gxh3 fxe4 20. Rfe1 Bxh3 $16) 19... Ng4 {[%emt 0:04:13]} 20. Nd5 {[%emt 0:13:38]} (20. gxh3 Ne5 21. exf5 Nxd3 $18) 20... Kf7 {[%emt 0:03:42]} 21. exf5 {[%emt 0:02:33]} ({Resist} 21. gxh3 Ne5 22. f3 Rd6 $18) 21... hxg2 {[%emt 0:05:18]} 22. Kxg2 {[%emt 0:00:26]} b5 {[%emt 0:02:16]} 23. Rfe1 {[%emt 0:01:39] Re7+ would be deadly.} Ne5 {[%emt 0:02:40]} 24. b3 {[%emt 0:06:17]} Bb7 {[%emt 0:03:56]} 25. Be4 {[%emt 0:00:44]} bxc4 {[%emt 0:01:05]} 26. bxc4 {[%emt 0:00:07]} (26. Rxd4 Nd3 27. Bxd3 (27. Rxc4 $2 Nxe1+ 28. Kf1 Bxd5 $19) 27... cxd3 28. Rxd3 (28. Re7+ Kf8 $17) 28... Rxd5 29. Rxd5 Bxd5+ 30. f3 Kf6 $16) 26... Nxc4 {[%emt 0:00:42]} 27. f6 {[%emt 0:00:52][%cal Bf5f6,Bf6g7][%mdl 96] [#] Discovered Attack} Rxd5 $2 {[%emt 0:02:21]} (27... Bh6 28. Nf4 (28. Rxd4 Nb6 $18) 28... Bxf4) 28. fxg7 {[%emt 0:01:43] Black did not feel at home in the position after the opening.   Weighted Error Value: White=0.17 (very precise) /Black=0.58} 1-0

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.02.01"]
[Round "9.2"]
[White "Braeunlin, Herbert"]
[Black "Postler, Reinhard"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2077"]
[BlackElo "2202"]
[PlyCount "15"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. b3 c6 4. Bb2 e6 5. Be2 Nbd7 6. c4 Bd6 7. d4 O-O 8. Nc3 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.02.01"]
[Round "9.3"]
[White "Niehaus, Frank"]
[Black "Kreutzkamp, Hans-Rudolf"]
[Result "1/2-1/2"]
[WhiteElo "2089"]
[BlackElo "2094"]
[Annotator "NA RC"]
[PlyCount "2"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:06:20]} Nf6 {[%emt 0:00:09]} 1/2-1/2

[Event "39th OBSenEM 2023"]
[Site "Berlin"]
[Date "2023.02.01"]
[Round "9.4"]
[White "Syre, Christian"]
[Black "Cichy, Michael"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2197"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 21,91,22,22,18,29,-6,-7,-12,40,4,41,22,22,0,0,-2,15,12,25,-45,-52,-31,6,-13,-10,-25,26,-2,-11,-7,0,0,0,0,35,51,42,39,68,56,64,67,71,71,85,75,96,0,0,0,266,58,188,122,146,157,230,230,391,377,393,383,1368,1368,1281,1275,1221,1206,1368,1328,29994,29995]} 1. Nf3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:22]} 2. c4 {[%emt 0:00:42]} e6 {[%emt 0:00:29]} 3. b3 {[%emt 0:00:53]} c5 {[%emt 0:01:05]} 4. Bb2 {[%emt 0:00:11]} b6 {[%emt 0:00:27]} 5. g3 {[%emt 0:00:40]} Bb7 {[%emt 0:00:15]} 6. Bg2 {[%emt 0:00:02]} Be7 {[%emt 0:00:53]} 7. O-O {[%emt 0:00:21]} O-O {[%emt 0:00:41]} 8. e3 {[%emt 0:03:40]} a6 {[%emt 0:02:21]} 9. Qe2 {[%emt 0:00:07]} Re8 {[%emt 0:01:11]} 10. Nc3 {[%emt 0:01:30]} d6 {[%emt 0:08:57]} 11. Rfd1 {[%emt 0:03:42]} Nbd7 {[%emt 0:01:24]} 12. d3 {[%emt 0:08:38] A30: Symmetrical English: Double Fianchetto and Hedgehog.} Rc8 {[%emt 0:03:23] [#]} 13. Ne1 $146 {[%emt 0:12:40]} ({Predecessor:} 13. d4 cxd4 14. Rxd4 Qc7 15. e4 d5 16. cxd5 exd5 17. Nxd5 Nxd5 18. exd5 Bf6 19. Qd2 Bxd4 20. Nxd4 {0-1 Jurek,J (2390)-Buhmann,R (2315) Staufer op 11th 1999 (9)}) 13... Bxg2 {[%emt 0:03:52]} 14. Nxg2 {[%emt 0:01:36] The position is equal.} Ra8 {[%emt 0:09:26]} (14... d5 $11) 15. f4 {[%emt 0:00:24]} h6 {[%emt 0:01:47]} 16. Rf1 {[%emt 0:00:26]} d5 {[%emt 0:04:23]} 17. e4 {[%emt 0:11:17]} d4 {[%emt 0:04:41]} 18. Nb1 {[%emt 0:01:21]} Nh7 {[%emt 0:04:42]} 19. Nd2 {[%emt 0:06:56]} Bf8 {[%emt 0:14:16]} 20. f5 {[%emt 0:02:13]} ({White should try} 20. e5 $11) 20... exf5 {[%emt 0:06:32]} 21. Rxf5 {[%emt 0:00:03]} g6 {[%emt 0:01:21]} 22. Rf2 {[%emt 0:01:16]} Ne5 {[%emt 0:01:36]} 23. Nf4 {[%emt 0:02:42]} Ra7 {[%emt 0:02:06]} (23... Bg7 $142) 24. Nd5 {[%emt 0:04:55]} Bg7 {[%emt 0:01:12]} 25. Raf1 {[%emt 0:03:40]} Qd6 {[%emt 0:04:28]} 26. Kg2 {[%emt 0:03:35]} h5 {[%emt 0:02:52]} 27. h3 {[%emt 0:30:20] Prevents Ng4} Qe6 {[%emt 0:01:17]} 28. Bc1 {[%emt 0:00:00]} Ng5 {[%emt 0:05:30] Prevents Nf3.} 29. Rh1 {[%emt 0:00:00]} Rb7 {[%emt 0:00:15]} 30. Nf1 {[%emt 0:00:00]} Nh7 {[%emt 0:00:19]} 31. Nh2 {[%emt 0:00:00]} b5 {[%emt 0:01:27]} 32. Nf3 {[%emt 0:00:00]} b4 {[%emt 0:03:11]} 33. Rhf1 {[%emt 0:00:00]} a5 {[%emt 0:01:05]} 34. Ng5 {[%emt 0:00:00]} (34. Nxe5 $16 Bxe5 35. g4) 34... Nxg5 $11 {[%emt 0:00:14]} 35. Bxg5 {[%emt 0:00:00]} Nd7 $2 {[%emt 0:04:03][%mdl 8192] [#]} (35... a4 $11 {and Black has nothing to worry.}) 36. Bf6 $2 {[%emt 0:00:35]} (36. Rxf7 $18 {Strongly threatening Qd2.} Qxf7 37. Rxf7 Kxf7 38. Qf1+ Kg8 39. Ne7+ Rxe7 40. Bxe7) 36... Ra7 {[%emt 0:01:21]} ({Black should play} 36... Nxf6 $14 37. Nxf6+ Bxf6 38. Rxf6 Qe5) 37. g4 {[%emt 0:01:14]} (37. Bxg7 $18 Kxg7 38. Rxf7+ Qxf7 39. Rxf7+ Kxf7 40. Qd2) 37... hxg4 {[%emt 0:00:39]} 38. hxg4 {[%emt 0:00:01] g5 is the strong threat.} Nxf6 {[%emt 0:00:38]} (38... Ne5 $16 {was worth a try.}) 39. Nxf6+ $18 {[%emt 0:00:05]} Bxf6 $2 {[%emt 0:00:06]} (39... Kf8 40. Nxe8 Kxe8) 40. Rxf6 {[%emt 0:00:02]} Qe5 {[%emt 0:00:25]} 41. Qf3 {[%emt 0:31:01]} Rf8 {[%emt 0:34:57] [#]} (41... Qe7 42. Qf4 Kg7) 42. Rxg6+ $3 {[%emt 0:01:15][%mdl 576] Pin} Kh7 {[%emt 0:00:23]} 43. Rf6 {[%emt 0:00:34][%cal Bg6f6,Bf6f5,Bf5h5][%mdl 32]} Qg5 {[%emt 0:00:00]} 44. Rf5 {[%emt 0:00:00]} Qd2+ {[%emt 0:00:00]} 45. Rf2 {[%emt 0:00:00] Rh5+ would kill now.} Qe3 {[%emt 0:00:00]} 46. Rh5+ {[%emt 0:00:00] Weighted Error Value: White=0.27 (precise) /Black=0.54} 1-0

