Event: Round 3: Koch, Yannick - Bogomolow, Sergej
Date: 2025-05-24
White: Koch, Yannick
WhiteElo: 2019
Black: Bogomolow, Sergej
BlackElo: 2073
Result: 1-0
ECO: E81
Opening: King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:30:55] } 2. c4 { [%eval 0.18] [%clk 1:31:09] } 2... g6 { [%eval 0.28] [%clk 1:31:13] } 3. Nc3 { [%eval 0.18] [%clk 1:31:18] } 3... Bg7 { [%eval 0.51] [%clk 1:31:39] } 4. e4 { [%eval 0.4] [%clk 1:31:23] } 4... d6 { [%eval 0.55] [%clk 1:32:04] } 5. f3 { [%eval 0.26] [%clk 1:31:41] } 5... O-O { [%eval 0.29] [%clk 1:32:27] } 6. Nge2 { [%eval 0.19] [%clk 1:31:36] } 6... e5 { [%eval 0.53] [%clk 1:26:02] } 7. Be3 { [%eval 0.46] [%clk 1:31:43] } 7... Nbd7 { [%eval 0.63] [%clk 1:23:22] } 8. Qd2 { [%eval 0.79] [%clk 1:30:12] } 8... c6 { [%eval 0.78] [%clk 1:22:44] } 9. d5 { [%eval 0.72] [%clk 1:30:31] } 9... cxd5 { [%eval 0.79] [%clk 1:22:13] } 10. cxd5 { [%eval 0.77] [%clk 1:30:53] } 10... a6 { [%eval 0.94] [%clk 1:22:32] } 11. g4 { [%eval 0.8] [%clk 1:30:42] } 11... b5?! { [%eval 1.55] } { Inaccuracy. h5 was best. } { [%clk 1:14:30] } 12. h4?! { [%eval 0.68] } { Inaccuracy. Ng3 was best. } { [%clk 1:28:59] } 12... h5 { [%eval 0.84] [%clk 1:08:17] } 13. Ng3? { [%eval -0.39] } { Mistake. g5 was best. } { [%clk 1:23:01] } 13... hxg4 { [%eval -0.24] [%clk 1:04:21] } 14. h5 { [%eval -0.53] [%clk 1:23:24] } 14... gxf3 { [%eval -0.5] [%clk 1:02:30] } 15. Bg5 { [%eval -0.98] [%clk 0:53:22] } 15... Re8 { [%eval -0.58] [%clk 0:39:11] } 16. hxg6?! { [%eval -1.27] } { Inaccuracy. Qh2 was best. } { [%clk 0:43:32] } 16... fxg6 { [%eval -1.14] [%clk 0:36:56] } 17. Nd1 { [%eval -0.93] [%clk 0:39:58] } 17... Nf8 { [%eval -0.93] [%clk 0:28:46] } 18. Nf2 { [%eval -1.23] [%clk 0:38:10] } 18... N8h7 { [%eval -1.25] [%clk 0:25:55] } 19. Bh6 { [%eval -1.5] [%clk 0:38:10] } 19... Bh8? { [%eval -0.13] } { Mistake. Bxh6 was best. } { [%clk 0:25:03] } 20. O-O-O { [%eval 0.0] [%clk 0:35:21] } 20... Ng4 { [%eval 0.53] [%clk 0:22:44] } 21. Kb1 { [%eval 0.55] [%clk 0:32:30] } 21... Nhf6? { [%eval 2.04] } { Mistake. Ra7 was best. } { [%clk 0:20:39] } 22. Bd3?? { [%eval -0.16] } { Blunder. Bh3 was best. } { [%clk 0:28:40] } 22... Nxf2?! { [%eval 0.53] } { Inaccuracy. Ra7 was best. } { [%clk 0:18:24] } 23. Qxf2 { [%eval 0.71] [%clk 0:29:08] } 23... Bg4 { [%eval 0.63] [%clk 0:18:50] } 24. Rdg1 { [%eval 0.52] [%clk 0:27:51] } 24... Qd7?! { [%eval 1.42] } { Inaccuracy. Bg7 was best. } { [%clk 0:16:00] } 25. Nf1?! { [%eval 0.64] } { Inaccuracy. Bg5 was best. } { [%clk 0:25:55] } 25... Re7?! { [%eval 1.43] } { Inaccuracy. Bg7 was best. } { [%clk 0:14:33] } 26. Bg5 { [%eval 1.17] [%clk 0:23:08] } 26... Rh7 { [%eval 0.94] [%clk 0:14:19] } 27. Rxh7?! { [%eval -0.04] } { Inaccuracy. Nh2 was best. } { [%clk 0:21:08] } 27... Nxh7 { [%eval -0.16] [%clk 0:13:47] } 28. Qh4 { [%eval -0.53] [%clk 0:19:23] } 28... Bh5 { [%eval -0.54] [%clk 0:12:35] } 29. Bh6?! { [%eval -1.49] } { Inaccuracy. Be3 was best. } { [%clk 0:14:18] } 29... Kf7? { [%eval -0.36] } { Mistake. Bg7 was best. } { [%clk 0:12:09] } 30. Ne3? { [%eval -1.77] } { Mistake. Nd2 was best. } { [%clk 0:13:15] } 30... Bf6 { [%eval -1.56] [%clk 0:08:06] } 31. Qg3 { [%eval -1.78] [%clk 0:13:22] } 31... Rg8?? { [%eval 0.0] } { Blunder. Bg7 was best. } { [%clk 0:07:54] } 32. Bf1 { [%eval 0.0] [%clk 0:12:21] } 32... Nf8 { [%eval 0.08] [%clk 0:05:04] } 33. Bh3 { [%eval 0.09] [%clk 0:12:34] } 33... Qd8?? { [%eval 2.45] } { Blunder. Qa7 was best. } { [%clk 0:05:17] } 34. Nf5?? { [%eval -2.22] } { Blunder. Bg4 was best. } { [%clk 0:05:59] } 34... f2?! { [%eval -1.14] } { Inaccuracy. Rh8 was best. } { [%clk 0:05:13] } 35. Nxd6+ { [%eval -1.2] [%clk 0:03:22] } 35... Qxd6 { [%eval -1.26] [%clk 0:05:39] } 36. Qxf2 { [%eval -1.1] [%clk 0:03:45] } 36... Ke7?? { [%eval 5.5] } { Blunder. Rh8 was best. } { [%clk 0:04:48] } 37. Rc1 { [%eval 5.68] [%clk 0:02:08] } 37... Nd7 { [%eval 5.17] [%clk 0:02:36] } 38. Rc6?! { [%eval 3.35] } { Inaccuracy. Bxd7 was best. } { [%clk 0:02:28] } 38... Qb8?? { [%eval #9] } { Checkmate is now unavoidable. Qb4 was best. } { [%clk 0:02:35] } 39. Bxd7 { [%eval #13] [%clk 0:02:35] } 39... Kxd7 { [%eval #5] [%clk 0:02:57] } 40. Qxf6 { [%eval #4] [%clk 0:02:45] } 40... Re8 { [%eval #4] [%clk 0:03:03] } 41. Bg5 { [%eval #3] [%clk 0:25:42] } 1-0