Event: Round 1: Koehler, Christian Friedrich - Erigaisi Arjun
Date: 2025-04-17
White: Koehler, Christian Friedrich
WhiteElo: 2223
Black: Erigaisi Arjun
BlackTitle: GM
BlackElo: 2782
Result: 0-1
Variant: Chess960
TimeControl: 90+30

1. e4 { [%eval 0.0] [%clk 1:29:46] } 1... g5 { [%eval 0.17] [%clk 1:29:44] } 2. h4 { [%eval -0.18] } 2... g4 { [%eval -0.11] } 3. f4 { [%eval -0.12] [%clk 1:24:22] } 3... e5 { [%eval -0.16] [%clk 1:26:38] } 4. g3 { [%eval -0.11] [%clk 1:20:30] } 4... Bc5 { [%eval -0.23] [%clk 1:25:47] } 5. Rg2 { [%eval -0.47] [%clk 1:20:45] } 5... exf4 { [%eval -0.52] [%clk 1:20:30] } 6. gxf4 { [%eval -0.33] [%clk 1:21:06] } 6... f5 { [%eval -0.3] [%clk 1:19:38] } 7. Bc4 { [%eval -0.5] [%clk 1:17:01] } 7... Rf8 { [%eval -0.5] [%clk 1:18:45] } 8. e5 { [%eval -0.65] [%clk 1:05:56] } 8... Ne6 { [%eval -0.26] [%clk 1:18:19] } 9. Nd3 { [%eval -0.22] [%clk 1:04:35] } 9... Be7 { [%eval -0.08] [%clk 1:18:15] } 10. Ne3 { [%eval -0.24] [%clk 0:56:18] } 10... h5 { [%eval -0.19] [%clk 1:16:02] } 11. a4 { [%eval 0.0] [%clk 0:54:48] } 11... a5 { [%eval 0.02] [%clk 1:13:20] } 12. b3 { [%eval -0.32] [%clk 0:54:05] } 12... b6 { [%eval -0.16] [%clk 1:11:25] } 13. Nd5 { [%eval -0.13] [%clk 0:42:29] } 13... Bd8 { [%eval 0.27] [%clk 1:11:14] } 14. Ba3 { [%eval 0.41] [%clk 0:42:57] } 14... c5 { [%eval 0.48] [%clk 1:01:31] } 15. Qh2?! { [%eval -0.3] } { Inaccuracy. Nc1 was best. } { [%clk 0:35:15] } 15... Bb7 { [%eval -0.37] [%clk 1:01:14] } 16. Rf2 { [%eval -0.73] [%clk 0:34:14] } 16... Ka7 { [%eval -0.74] [%clk 0:58:51] } 17. Qg3 { [%eval -0.73] [%clk 0:32:21] } 17... Rc8 { [%eval -0.65] [%clk 0:58:02] } 18. Ne1 { [%eval -0.89] [%clk 0:29:46] } 18... N8c7 { [%eval -0.94] [%clk 0:56:45] } 19. Nxc7 { [%eval -0.9] [%clk 0:29:03] } 19... Rxc7 { [%eval -0.89] [%clk 0:56:18] } 20. Bb2 { [%eval -1.39] [%clk 0:24:24] } 20... Qh6 { [%eval -0.97] [%clk 0:55:50] } 21. O-O-O { [%eval -1.17] [%clk 0:21:19] } 21... Be7 { [%eval -1.33] [%clk 0:55:50] } 22. Bxe6 { [%eval -1.36] [%clk 0:17:43] } 22... Qxe6 { [%eval -1.36] [%clk 0:55:37] } 23. c4 { [%eval -1.66] [%clk 0:18:11] } 23... Rd8?! { [%eval -0.56] } { Inaccuracy. d5 was best. } { [%clk 0:52:39] } 24. Nc2 { [%eval -0.9] [%clk 0:18:12] } 24... d5 { [%eval -0.75] [%clk 0:50:33] } 25. exd6 { [%eval -0.82] [%clk 0:18:02] } 25... Bxd6 { [%eval -0.81] [%clk 0:50:57] } 26. d4?! { [%eval -1.67] } { Inaccuracy. Re1 was best. } { [%clk 0:16:09] } 26... Bf3 { [%eval -1.75] [%clk 0:49:21] } 27. Rxf3 { [%eval -1.58] [%clk 0:11:44] } 27... gxf3 { [%eval -1.66] [%clk 0:49:45] } 28. Qxf3? { [%eval -3.47] } { Mistake. dxc5 was best. } { [%clk 0:12:09] } 28... Qe4 { [%eval -3.3] [%clk 0:49:30] } 29. Rf1 { [%eval -3.47] [%clk 0:09:41] } 29... Qxf3 { [%eval -2.84] [%clk 0:48:22] } 30. Rxf3 { [%eval -2.82] [%clk 0:10:09] } 30... Rg7 { [%eval -2.34] [%clk 0:48:50] } 31. Ne3? { [%eval -4.33] } { Mistake. d5 was best. } { [%clk 0:08:21] } 31... cxd4 { [%eval -4.0] [%clk 0:48:57] } 32. Nxf5 { [%eval -4.76] [%clk 0:08:49] } 32... Rg1+ { [%eval -4.73] [%clk 0:49:19] } 33. Kc2 { [%eval -5.02] [%clk 0:08:57] } 33... Rg2+ { [%eval -4.94] [%clk 0:49:43] } 34. Kb1 { [%eval -4.9] [%clk 0:09:06] } 34... Bc5 { [%eval -4.93] [%clk 0:50:06] } 35. Rd3 { [%eval -4.78] [%clk 0:06:53] } 35... Re8 { [%eval -4.86] [%clk 0:50:34] } 36. Rd1 { [%eval -4.89] [%clk 0:04:49] } 36... Re4 { [%eval -4.9] [%clk 0:50:28] } 37. Bxd4 { [%eval -4.9] [%clk 0:04:45] } 37... Rxf4 { [%eval -4.82] [%clk 0:50:51] } 38. Bxc5 { [%eval -5.46] [%clk 0:03:30] } 38... bxc5 { [%eval -5.6] [%clk 0:51:13] } 39. Ne3 { [%eval -5.49] [%clk 0:03:49] } 39... Re2 { [%eval -5.39] [%clk 0:51:22] } 40. Nd5 { [%eval -5.6] [%clk 0:03:56] } 40... Rxh4 { [%eval -5.53] [%clk 0:51:25] } 41. Nc3 { [%eval -5.5] [%clk 0:04:22] } 41... Rg2 { [%eval -5.32] [%clk 0:51:09] } 42. Nb5+ { [%eval -5.27] [%clk 0:04:29] } 42... Kb7 { [%eval -5.6] [%clk 0:51:32] } 0-1