Event: Round 8 (Top boards): Friso Nijboer - Lin Ma
Date: 2023-09-01
White: Friso Nijboer
WhiteTitle: GM
WhiteElo: 2473
Black: Lin Ma
BlackElo: 2211
Result: 1/2-1/2
ECO: C42
Opening: Petrov's Defense: Nimzowitsch Attack
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... e5 { [%eval 0.35] [%clk 1:25:33] } 2. Nf3 { [%eval 0.29] [%clk 1:31:23] } 2... Nf6 { [%eval 0.5] [%clk 1:25:34] } 3. Nxe5 { [%eval 0.34] [%clk 1:31:11] } 3... d6 { [%eval 0.49] [%clk 1:25:59] } 4. Nf3 { [%eval 0.35] [%clk 1:31:36] } 4... Nxe4 { [%eval 0.25] [%clk 1:26:24] } 5. Nc3 { [%eval 0.1] [%clk 1:32:02] } 5... Nf6 { [%eval 0.54] [%clk 1:26:47] } 6. d4 { [%eval 0.4] [%clk 1:32:18] } 6... Be7 { [%eval 0.44] [%clk 1:27:07] } 7. Bd3 { [%eval 0.43] [%clk 1:32:16] } 7... O-O { [%eval 0.52] [%clk 1:27:24] } 8. Ne2 { [%eval 0.46] [%clk 1:25:15] } 8... Bg4 { [%eval 0.39] [%clk 1:14:35] } 9. Ng3 { [%eval 0.35] [%clk 1:23:41] } 9... Nh5 { [%eval 0.47] [%clk 1:14:33] } 10. Be3 { [%eval 0.36] [%clk 1:15:00] } 10... c5 { [%eval 0.36] [%clk 1:00:06] } 11. dxc5 { [%eval 0.3] [%clk 1:13:58] } 11... dxc5 { [%eval 0.26] [%clk 0:58:28] } 12. c3 { [%eval 0.32] [%clk 1:07:59] } 12... Qc7?! { [%eval 0.94] } { Inaccuracy. Nf6 was best. } { [%clk 0:43:07] } 13. Qa4 { [%eval 0.85] [%clk 0:57:51] } 13... Nf6 { [%eval 0.83] [%clk 0:37:06] } 14. O-O-O { [%eval 0.82] [%clk 0:40:30] } 14... Nbd7 { [%eval 0.78] [%clk 0:33:47] } 15. Bf4 { [%eval 0.68] [%clk 0:27:34] } 15... Nb6? { [%eval 1.83] } { Mistake. Qc8 was best. } { [%clk 0:22:21] } 16. Bxc7 { [%eval 1.9] [%clk 0:26:56] } 16... Nxa4 { [%eval 1.84] [%clk 0:22:49] } 17. Rhe1 { [%eval 1.67] [%clk 0:26:12] } 17... Be6 { [%eval 1.72] [%clk 0:23:13] } 18. Nf5 { [%eval 2.01] [%clk 0:20:28] } 18... Bxf5 { [%eval 1.92] [%clk 0:22:37] } 19. Bxf5 { [%eval 2.04] [%clk 0:19:58] } 19... Rfe8 { [%eval 2.09] [%clk 0:23:01] } 20. g4 { [%eval 2.03] [%clk 0:17:11] } 20... g6 { [%eval 2.16] [%clk 0:19:50] } 21. Bc2 { [%eval 2.13] [%clk 0:09:57] } 21... Nb6 { [%eval 1.9] [%clk 0:20:11] } 22. g5 { [%eval 1.91] [%clk 0:10:16] } 22... Nfd5 { [%eval 1.96] [%clk 0:15:24] } 23. Bg3 { [%eval 1.93] [%clk 0:10:32] } 23... c4?! { [%eval 2.82] } { Inaccuracy. Kf8 was best. } { [%clk 0:08:32] } 24. Re5 { [%eval 2.92] [%clk 0:08:11] } 24... Nc7 { [%eval 2.97] [%clk 0:07:10] } 25. Be4 { [%eval 2.83] [%clk 0:08:34] } 25... Ne6 { [%eval 3.03] [%clk 0:04:33] } 26. Bxb7 { [%eval 2.71] [%clk 0:08:58] } 26... Rab8?! { [%eval 3.57] } { Inaccuracy. Rad8 was best. } { [%clk 0:03:07] } 27. Bc6 { [%eval 3.75] [%clk 0:04:27] } 27... Red8 { [%eval 3.83] [%clk 0:02:35] } 28. Rxd8+ { [%eval 3.41] [%clk 0:04:09] } 28... Rxd8 { [%eval 3.56] [%clk 0:03:03] } 29. Ra5 { [%eval 3.37] [%clk 0:03:59] } 29... Nc8 { [%eval 3.68] [%clk 0:01:07] } 30. h4 { [%eval 2.98] [%clk 0:02:27] } 30... Bc5 { [%eval 3.17] [%clk 0:01:34] } 31. Ne5 { [%eval 3.07] [%clk 0:02:01] } 31... Ne7 { [%eval 3.17] [%clk 0:01:15] } 32. Bb5 { [%eval 3.25] [%clk 0:01:16] } 32... Bb6 { [%eval 3.4] [%clk 0:00:47] } 33. Ra3?! { [%eval 2.52] } { Inaccuracy. Ra4 was best. } { [%clk 0:01:39] } 33... Nf5 { [%eval 2.5] [%clk 0:00:40] } 34. Bxc4? { [%eval 0.95] } { Mistake. Nxc4 was best. } { [%clk 0:02:03] } 34... Nxg3 { [%eval 0.98] [%clk 0:00:57] } 35. fxg3 { [%eval 1.08] [%clk 0:02:29] } 35... Be3+ { [%eval 1.08] [%clk 0:01:19] } 36. Kc2 { [%eval 1.01] [%clk 0:01:11] } 36... Rd2+ { [%eval 0.9] [%clk 0:01:36] } 37. Kb3 { [%eval 1.04] [%clk 0:00:51] } 37... Nc5+ { [%eval 1.02] [%clk 0:01:57] } 38. Kb4 { [%eval 1.24] [%clk 0:01:19] } 38... Rxb2+ { [%eval 1.15] [%clk 0:02:07] } 39. Bb3 { [%eval 1.34] [%clk 0:01:45] } 39... Bf2 { [%eval 1.04] [%clk 0:02:06] } 40. Nxf7 { [%eval 0.91] [%clk 0:31:49] } 40... Kf8 { [%eval 1.12] [%clk 0:30:37] } 41. Nd6?! { [%eval 0.17] } { Inaccuracy. Ne5 was best. } { [%clk 0:25:25] } 41... Rd2 { [%eval 0.27] [%clk 0:19:17] } 42. Nc8 { [%eval 0.0] [%clk 0:13:49] } 42... Rd7 { [%eval 0.0] [%clk 0:18:12] } 43. Kb5 { [%eval 0.27] [%clk 0:12:25] } 43... Rc7 { [%eval 0.28] [%clk 0:14:53] } 44. Rxa7 { [%eval 0.17] [%clk 0:08:08] } 44... Rxa7 { [%eval 0.32] [%clk 0:12:28] } 45. Nxa7 { [%eval 0.3] [%clk 0:08:33] } 45... Nxb3 { [%eval 0.26] [%clk 0:12:56] } 46. Nc6?! { [%eval -0.78] } { Inaccuracy. axb3 was best. } { [%clk 0:07:34] } 46... Nd2 { [%eval -0.36] [%clk 0:08:31] } 47. a4 { [%eval -0.26] [%clk 0:07:29] } 47... Ne4 { [%eval -0.21] [%clk 0:08:43] } 48. a5 { [%eval -0.24] [%clk 0:07:02] } 48... Nxc3+ { [%eval -0.06] [%clk 0:08:17] } 49. Kc4 { [%eval -0.12] [%clk 0:07:11] } 49... Ne4 { [%eval -0.03] [%clk 0:08:24] } 50. Kd5 { [%eval -0.04] [%clk 0:02:38] } 50... Nc3+ { [%eval -0.03] [%clk 0:08:40] } 51. Kc4 { [%eval -0.04] [%clk 0:02:57] } 51... Ne4 { [%eval 0.0] [%clk 0:08:44] } 52. Kd5 { [%eval -0.03] [%clk 0:03:18] } 1/2-1/2