Event: Round 4: Benedict A Keohane - Martin Altenhof
Date: 2023-01-08
White: Benedict A Keohane
Black: Martin Altenhof
Result: 0-1
ECO: A01
Opening: Nimzo-Larsen Attack
Variant: Standard

1. b3 { [%eval 0.0] [%clk 1:50:19] } 1... d6 { [%eval 0.12] [%clk 1:49:36] } 2. Bb2 { [%eval 0.0] [%clk 1:47:24] } 2... e5 { [%eval 0.15] [%clk 1:49:28] } 3. g3 { [%eval 0.21] [%clk 1:46:34] } 3... Nf6 { [%eval 0.0] [%clk 1:48:28] } 4. Bg2 { [%eval 0.11] [%clk 1:46:36] } 4... g6 { [%eval 0.02] [%clk 1:48:05] } 5. d3 { [%eval -0.01] [%clk 1:46:00] } 5... Bg7 { [%eval 0.04] [%clk 1:47:56] } 6. c4 { [%eval 0.02] [%clk 1:44:00] } 6... O-O { [%eval -0.01] [%clk 1:47:29] } 7. Nc3 { [%eval -0.15] [%clk 1:43:58] } 7... c6 { [%eval -0.2] [%clk 1:46:41] } 8. Qd2?! { [%eval -0.81] } { Inaccuracy. Nf3 was best. } { [%clk 1:37:21] } 8... Re8 { [%eval -0.36] [%clk 1:34:12] } 9. Nh3?! { [%eval -0.95] } { Inaccuracy. e4 was best. } { [%clk 1:33:54] } 9... d5 { [%eval -0.9] [%clk 1:26:04] } 10. O-O { [%eval -1.01] [%clk 1:25:36] } 10... d4 { [%eval -0.92] [%clk 1:19:26] } 11. Na4 { [%eval -1.31] [%clk 1:21:32] } 11... Ng4 { [%eval -1.08] [%clk 1:06:37] } 12. b4 { [%eval -1.11] [%clk 1:08:54] } 12... Bh6 { [%eval -0.93] [%clk 0:59:57] } 13. Qc2 { [%eval -0.73] [%clk 1:07:45] } 13... Nd7 { [%eval -0.43] [%clk 0:56:13] } 14. Bc1 { [%eval -0.48] [%clk 1:05:02] } 14... Bxc1 { [%eval -0.57] [%clk 0:53:26] } 15. Qxc1 { [%eval -0.54] [%clk 0:57:39] } 15... h6 { [%eval -0.41] [%clk 0:52:59] } 16. Rb1 { [%eval -0.59] [%clk 0:50:27] } 16... Kg7 { [%eval -0.73] [%clk 0:42:06] } 17. Kh1 { [%eval -0.63] [%clk 0:44:36] } 17... Rb8 { [%eval -0.6] [%clk 0:38:13] } 18. c5 { [%eval -0.88] [%clk 0:39:27] } 18... Ndf6 { [%eval -0.93] [%clk 0:31:45] } 19. Nb2 { [%eval -0.94] [%clk 0:36:10] } 19... Nd5 { [%eval -0.82] [%clk 0:30:19] } 20. Nc4 { [%eval -0.83] [%clk 0:35:58] } 20... Nc3 { [%eval -0.72] [%clk 0:30:00] } 21. Rb2 { [%eval -0.8] [%clk 0:34:45] } 21... Be6 { [%eval -0.62] [%clk 0:28:25] } 22. Nd6 { [%eval -0.77] [%clk 0:34:35] } 22... Rf8 { [%eval -0.26] [%clk 0:27:05] } 23. Ng1 { [%eval -0.65] [%clk 0:33:19] } 23... h5?! { [%eval 0.39] } { Inaccuracy. b6 was best. } { [%clk 0:22:02] } 24. Nf3?! { [%eval -0.26] } { Inaccuracy. h3 was best. } { [%clk 0:32:21] } 24... Bd5? { [%eval 1.37] } { Mistake. b6 was best. } { [%clk 0:21:45] } 25. e4 { [%eval 1.33] [%clk 0:30:03] } 25... Be6 { [%eval 1.76] [%clk 0:19:59] } 26. h3 { [%eval 1.92] [%clk 0:29:43] } 26... Rh8 { [%eval 2.33] [%clk 0:18:49] } 27. Kg1 { [%eval 1.76] [%clk 0:23:53] } 27... f6 { [%eval 1.6] [%clk 0:14:27] } 28. hxg4 { [%eval 1.53] [%clk 0:22:17] } 28... hxg4 { [%eval 1.61] [%clk 0:14:29] } 29. Nh4 { [%eval 1.69] [%clk 0:18:48] } 29... Rxh4 { [%eval 2.31] [%clk 0:13:52] } 30. gxh4 { [%eval 2.26] [%clk 0:18:55] } 30... Qh8 { [%eval 2.15] [%clk 0:13:51] } 31. f4 { [%eval 2.46] [%clk 0:16:25] } 31... Qxh4 { [%eval 1.51] [%clk 0:11:04] } 32. Qe1?? { [%eval -0.46] } { Blunder. fxe5 was best. } { [%clk 0:16:06] } 32... g3 { [%eval -0.22] [%clk 0:10:51] } 33. Rf3? { [%eval -1.41] } { Mistake. Bf3 was best. } { [%clk 0:11:56] } 33... exf4 { [%eval -1.49] [%clk 0:10:47] } 34. e5 { [%eval -1.13] [%clk 0:09:07] } 34... f5 { [%eval -1.44] [%clk 0:09:57] } 35. Qd2?? { [%eval -3.72] } { Blunder. b5 was best. } { [%clk 0:05:34] } 35... Nd5?! { [%eval -2.94] } { Inaccuracy. g5 was best. } { [%clk 0:08:08] } 36. Nc4 { [%eval -3.69] [%clk 0:04:02] } 36... Rh8 { [%eval -3.19] [%clk 0:07:30] } 37. Rb1?! { [%eval -4.46] } { Inaccuracy. b5 was best. } { [%clk 0:02:09] } 37... g5 { [%eval -5.19] [%clk 0:06:03] } 38. Nd6 { [%eval -6.44] [%clk 0:01:59] } 38... Ne3 { [%eval -6.9] [%clk 0:03:30] } 39. Rxe3 { [%eval -7.15] [%clk 0:02:08] } 39... dxe3 { [%eval -7.37] [%clk 0:03:10] } 40. Qb2 { [%eval -10.86] [%clk 0:01:46] } 40... Qh2+ { [%eval -11.08] [%clk 0:02:18] } 41. Kf1 { [%eval -7.08] [%clk 0:01:55] } 41... g4 { [%eval -10.49] [%clk 0:00:57] } 42. Nxf5+?! { [%eval #-8] } { Checkmate is now unavoidable. Ne8+ was best. } { [%clk 0:01:49] } 42... Bxf5 { [%eval #-7] [%clk 0:01:06] } 43. e6+ { [%eval #-7] [%clk 0:01:57] } 43... Kg6 { [%eval #-6] [%clk 0:01:16] } 44. Qd4 { [%eval #-4] [%clk 0:00:23] } 44... f3 { [%eval #-3] [%clk 0:01:11] } 45. Ke1 { [%eval #-3] } 45... Qh4?? { [%eval -6.49] } { Lost forced checkmate sequence. Qg1+ was best. } 46. Bf1?? { [%eval #-5] } { Checkmate is now unavoidable. Qxe3 was best. } 0-1