Event: Schachbundesliga Championship
Site: chess24.com
Date: 2020-09-20
White: Bogner, Sebastian
WhiteTitle: GM
WhiteElo: 2571
Black: Koch, Thomas
BlackTitle: IM
BlackElo: 2461
Result: 1/2-1/2
ECO: A62
Opening: Benoni Defense: Fianchetto Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:55] } 1... Nf6 { [%eval 0.13] [%clk 1:30:52] } 2. c4 { [%eval 0.0] [%clk 1:31:20] } 2... e6 { [%eval 0.33] [%clk 1:30:01] } 3. g3 { [%eval 0.13] [%clk 1:31:15] } 3... c5 { [%eval 0.52] [%clk 1:27:38] } 4. d5 { [%eval 0.54] [%clk 1:31:32] } 4... exd5 { [%eval 0.7] [%clk 1:27:56] } 5. cxd5 { [%eval 0.64] [%clk 1:31:58] } 5... d6 { [%eval 0.93] [%clk 1:28:18] } 6. Nc3 { [%eval 0.25] [%clk 1:32:23] } 6... g6 { [%eval 0.56] [%clk 1:28:37] } 7. Bg2 { [%eval 0.44] [%clk 1:32:47] } 7... Bg7 { [%eval 0.56] [%clk 1:28:53] } 8. Nf3 { [%eval 0.25] [%clk 1:33:14] } 8... O-O { [%eval 0.2] [%clk 1:27:25] } 9. O-O { [%eval 0.34] [%clk 1:33:40] } 9... Na6 { [%eval 0.6] [%clk 1:25:02] } 10. Nd2 { [%eval 0.5] [%clk 1:25:56] } 10... Nc7 { [%eval 0.44] [%clk 1:24:37] } 11. a4 { [%eval 0.62] [%clk 1:25:25] } 11... b6 { [%eval 0.6] [%clk 1:20:34] } 12. Nc4 { [%eval 0.22] [%clk 1:18:40] } 12... Ba6 { [%eval 0.32] [%clk 1:19:59] } 13. Na3 { [%eval 0.17] [%clk 1:13:29] } 13... Qd7 { [%eval 0.35] [%clk 1:09:59] } 14. Re1 { [%eval 0.08] [%clk 0:59:51] } 14... Ng4 { [%eval 0.13] [%clk 1:02:40] } 15. h3 { [%eval 0.17] [%clk 0:55:44] } 15... Ne5 { [%eval 0.23] [%clk 0:58:29] } 16. Qb3 { [%eval 0.28] [%clk 0:55:26] } 16... Qe7 { [%eval 0.44] [%clk 0:42:15] } 17. Bd2 { [%eval 0.49] [%clk 0:54:59] } 17... g5 { [%eval 0.56] [%clk 0:41:41] } 18. Ne4?! { [%eval -0.09] } { Inaccuracy. Ncb5 was best. } { [%clk 0:47:46] } 18... h6 { [%eval -0.12] [%clk 0:37:21] } 19. f4 { [%eval -0.33] [%clk 0:47:41] } 19... f5 { [%eval -0.45] [%clk 0:34:58] } 20. Nf2?! { [%eval -1.37] } { Inaccuracy. Nc3 was best. } { [%clk 0:33:06] } 20... gxf4 { [%eval -1.34] [%clk 0:35:23] } 21. gxf4 { [%eval -1.02] [%clk 0:33:31] } 21... Ng6 { [%eval -1.24] [%clk 0:35:21] } 22. e4? { [%eval -2.76] } { Mistake. Nb5 was best. } { [%clk 0:24:28] } 22... Qh4 { [%eval -2.62] [%clk 0:35:24] } 23. e5 { [%eval -2.89] [%clk 0:20:10] } 23... Nxf4 { [%eval -2.74] [%clk 0:34:33] } 24. exd6?! { [%eval -3.57] } { Inaccuracy. Bxf4 was best. } { [%clk 0:19:50] } 24... Nxg2 { [%eval -3.31] [%clk 0:29:32] } 25. Kxg2 { [%eval -3.21] [%clk 0:20:18] } 25... Rf6 { [%eval -2.91] [%clk 0:29:33] } 26. Qf3 { [%eval -2.28] [%clk 0:07:04] } 26... Rxd6 { [%eval -2.02] [%clk 0:27:53] } 27. Bf4 { [%eval -2.67] [%clk 0:07:18] } 27... Bb7?! { [%eval -1.8] } { Inaccuracy. Rg6+ was best. } { [%clk 0:26:17] } 28. Rad1?? { [%eval -7.76] } { Blunder. Bxd6 was best. } { [%clk 0:07:46] } 28... Bd4?? { [%eval -1.51] } { Blunder. Rxd5 was best. } { [%clk 0:25:34] } 29. Rxd4?? { [%eval -4.83] } { Blunder. Bxd6 was best. } { [%clk 0:03:34] } 29... cxd4 { [%eval -4.6] [%clk 0:25:49] } 30. Bxd6?! { [%eval -7.57] } { Inaccuracy. Kh2 was best. } { [%clk 0:04:00] } 30... Bxd5 { [%eval -7.2] [%clk 0:24:45] } 31. Bxc7 { [%eval -8.21] [%clk 0:04:28] } 31... Bxf3+ { [%eval -8.07] [%clk 0:23:44] } 32. Kxf3 { [%eval -7.67] [%clk 0:04:57] } 32... Kf7?? { [%eval -2.86] } { Blunder. Kh7 was best. } { [%clk 0:23:36] } 33. Nc4 { [%eval -2.8] [%clk 0:04:02] } 33... Rg8 { [%eval -2.81] [%clk 0:22:24] } 34. Ne5+ { [%eval -2.97] [%clk 0:03:01] } 34... Kg7 { [%eval -2.76] [%clk 0:22:43] } 35. Ned3 { [%eval -2.97] [%clk 0:00:42] } 35... Kh7 { [%eval -2.86] [%clk 0:23:05] } 36. Ke2 { [%eval -3.28] [%clk 0:01:00] } 36... Re8+?! { [%eval -2.15] } { Inaccuracy. Rg2 was best. } { [%clk 0:22:56] } 37. Be5 { [%eval -2.33] [%clk 0:01:05] } 37... Qd8 { [%eval -2.39] [%clk 0:22:47] } 38. Kd2?! { [%eval -3.46] } { Inaccuracy. Kf1 was best. } { [%clk 0:01:01] } 38... Qd5 { [%eval -2.93] [%clk 0:23:05] } 39. Kc2 { [%eval -3.12] [%clk 0:00:33] } 39... Qc4+ { [%eval -2.49] [%clk 0:23:22] } 40. Kb1 { [%eval -2.81] [%clk 0:00:53] } 40... Qxa4 { [%eval -2.33] [%clk 0:23:40] } 41. Rc1? { [%eval -3.76] } { Mistake. Rg1 was best. } { [%clk 0:00:57] } 41... Re7?! { [%eval -2.79] } { Inaccuracy. Qb5 was best. } { [%clk 0:21:09] } 42. Rc8 { [%eval -2.13] [%clk 0:29:49] } 42... Kg6?? { [%eval 0.0] } { Blunder. Re8 was best. } { [%clk 0:44:03] } 1/2-1/2