Event: Round 4: Koehler, Gerhard, Dr. - Matthey, Harald
Date: 2024-08-26
White: Koehler, Gerhard, Dr.
WhiteElo: 2210
Black: Matthey, Harald
BlackTitle: FM
BlackElo: 2062
Result: 1-0
ECO: A36
Opening: English Opening: Symmetrical Variation, Ultra-Symmetrical Variation
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:57] } 1... c5 { [%eval 0.29] [%clk 1:30:50] } 2. g3 { [%eval 0.07] [%clk 1:31:00] } 2... g6 { [%eval 0.18] [%clk 1:31:08] } 3. Bg2 { [%eval 0.11] [%clk 1:31:15] } 3... Bg7 { [%eval 0.19] [%clk 1:31:26] } 4. Nc3 { [%eval 0.11] [%clk 1:31:32] } 4... Nc6 { [%eval 0.13] [%clk 1:31:30] } 5. a3 { [%eval 0.04] [%clk 1:31:40] } 5... e6 { [%eval 0.18] [%clk 1:27:26] } 6. d3 { [%eval 0.0] [%clk 1:25:44] } 6... Nge7 { [%eval 0.04] [%clk 1:27:40] } 7. e4 { [%eval 0.0] [%clk 1:23:23] } 7... O-O { [%eval 0.0] [%clk 1:18:34] } 8. Nge2 { [%eval -0.03] [%clk 1:22:36] } 8... Nd4 { [%eval 0.08] [%clk 1:16:31] } 9. Rb1 { [%eval -0.07] [%clk 1:17:39] } 9... a6 { [%eval 0.19] [%clk 1:07:42] } 10. O-O { [%eval 0.24] [%clk 1:09:48] } 10... d6 { [%eval 0.25] [%clk 0:59:06] } 11. Nxd4?! { [%eval -0.39] } { Inaccuracy. b4 was best. } { [%clk 1:08:44] } 11... cxd4 { [%eval -0.35] [%clk 0:58:38] } 12. Ne2 { [%eval -0.51] [%clk 1:08:46] } 12... Rb8 { [%eval -0.38] [%clk 0:53:59] } 13. Bf4 { [%eval -0.65] [%clk 0:56:56] } 13... e5 { [%eval -0.65] [%clk 0:53:24] } 14. Bd2 { [%eval -0.61] [%clk 0:57:03] } 14... b5 { [%eval -0.71] [%clk 0:52:49] } 15. b3 { [%eval -0.91] [%clk 0:55:47] } 15... Bd7 { [%eval -0.83] [%clk 0:48:53] } 16. Bb4 { [%eval -1.13] [%clk 0:54:30] } 16... Qb6 { [%eval -0.99] [%clk 0:42:24] } 17. Qd2 { [%eval -1.02] [%clk 0:42:14] } 17... Rfc8 { [%eval -0.8] [%clk 0:37:02] } 18. f4?! { [%eval -1.93] } { Inaccuracy. cxb5 was best. } { [%clk 0:36:00] } 18... Bg4? { [%eval -0.36] } { Mistake. bxc4 was best. } { [%clk 0:36:11] } 19. cxb5 { [%eval -0.33] [%clk 0:33:32] } 19... Bxe2?! { [%eval 0.76] } { Inaccuracy. a5 was best. } { [%clk 0:32:56] } 20. Qxe2 { [%eval 0.78] [%clk 0:33:31] } 20... a5 { [%eval 1.29] [%clk 0:33:15] } 21. Bd2 { [%eval 1.26] [%clk 0:29:25] } 21... Qxb5 { [%eval 1.15] [%clk 0:33:37] } 22. Rfc1? { [%eval -0.37] } { Mistake. f5 was best. } { [%clk 0:26:35] } 22... Rxc1+ { [%eval -0.21] [%clk 0:33:08] } 23. Bxc1 { [%eval -0.24] [%clk 0:26:56] } 23... Rc8 { [%eval -0.25] [%clk 0:32:57] } 24. Bf1 { [%eval -0.28] [%clk 0:26:54] } 24... Rc3 { [%eval -0.2] [%clk 0:31:42] } 25. Qd1? { [%eval -1.38] } { Mistake. b4 was best. } { [%clk 0:22:34] } 25... a4 { [%eval -1.37] [%clk 0:26:12] } 26. b4 { [%eval -1.21] [%clk 0:22:27] } 26... f5?? { [%eval 0.89] } { Blunder. exf4 was best. } { [%clk 0:25:19] } 27. fxe5 { [%eval 0.95] [%clk 0:21:24] } 27... dxe5 { [%eval 0.68] [%clk 0:25:22] } 28. Bg5 { [%eval 0.28] [%clk 0:20:59] } 28... Nc8? { [%eval 1.75] } { Mistake. Bf8 was best. } { [%clk 0:18:43] } 29. exf5 { [%eval 1.62] [%clk 0:20:18] } 29... gxf5 { [%eval 1.49] [%clk 0:18:56] } 30. Rc1? { [%eval 0.32] } { Mistake. Bd2 was best. } { [%clk 0:18:22] } 30... Nd6 { [%eval 0.35] [%clk 0:08:13] } 31. Bd2 { [%eval 0.29] [%clk 0:17:47] } 31... Rxa3 { [%eval 0.53] [%clk 0:07:39] } 32. Rc5 { [%eval 0.23] [%clk 0:16:04] } 32... Qb6?? { [%eval 2.32] } { Blunder. Qe8 was best. } { [%clk 0:06:25] } 33. Qc1 { [%eval 2.22] [%clk 0:15:33] } 33... Rb3 { [%eval 2.4] [%clk 0:05:52] } 34. Rc6 { [%eval 2.29] [%clk 0:15:43] } 34... Qd8 { [%eval 2.14] [%clk 0:04:41] } 35. Qc5 { [%eval 1.89] [%clk 0:15:39] } 35... Ne8? { [%eval 3.35] } { Mistake. Bf8 was best. } { [%clk 0:02:46] } 36. Qc4+ { [%eval 2.92] [%clk 0:14:22] } 36... Kh8?! { [%eval 4.38] } { Inaccuracy. Kf8 was best. } { [%clk 0:02:55] } 37. Qe6 { [%eval 4.42] [%clk 0:12:41] } 37... Nc7?? { [%eval #11] } { Checkmate is now unavoidable. Nd6 was best. } { [%clk 0:02:38] } 38. Rxc7 { [%eval #10] [%clk 0:11:54] } 1-0