Event: Round 4: Pert, Richard G - Pein, Malcolm
Date: 2024-07-30
White: Pert, Richard G
WhiteTitle: IM
WhiteElo: 2415
Black: Pein, Malcolm
BlackTitle: IM
BlackElo: 2274
Result: 1/2-1/2
ECO: D86
Opening: Grünfeld Defense: Exchange Variation, Classical Variation
Variant: Standard

1. d4 { [%eval 0.16] [%clk 1:30:50] } 1... Nf6 { [%eval 0.17] [%clk 1:30:30] } 2. c4 { [%eval 0.21] [%clk 1:31:03] } 2... g6 { [%eval 0.25] [%clk 1:28:42] } 3. Nc3 { [%eval 0.21] [%clk 1:31:08] } 3... d5 { [%eval 0.22] [%clk 1:28:29] } 4. cxd5 { [%eval 0.23] [%clk 1:31:26] } 4... Nxd5 { [%eval 0.29] [%clk 1:28:55] } 5. e4 { [%eval 0.16] [%clk 1:31:45] } 5... Nxc3 { [%eval 0.22] [%clk 1:29:21] } 6. bxc3 { [%eval 0.17] [%clk 1:32:07] } 6... Bg7 { [%eval 0.24] [%clk 1:29:47] } 7. Bc4 { [%eval 0.17] [%clk 1:32:11] } 7... c5 { [%eval 0.24] [%clk 1:26:51] } 8. Ne2 { [%eval 0.17] [%clk 1:31:49] } 8... Nc6 { [%eval 0.18] [%clk 1:27:10] } 9. Be3 { [%eval 0.26] [%clk 1:31:45] } 9... O-O { [%eval 0.21] [%clk 1:27:29] } 10. O-O { [%eval 0.23] [%clk 1:31:43] } 10... Qc7 { [%eval 0.47] [%clk 1:25:31] } 11. Rc1 { [%eval 0.47] [%clk 1:29:59] } 11... Rd8 { [%eval 0.49] [%clk 1:25:55] } 12. Bf4 { [%eval 0.43] [%clk 1:26:48] } 12... Qd7 { [%eval 0.28] [%clk 1:21:32] } 13. dxc5 { [%eval 0.23] [%clk 1:18:18] } 13... Qe8 { [%eval 0.3] [%clk 1:01:33] } 14. Bd5 { [%eval 0.34] [%clk 1:17:02] } 14... Bd7 { [%eval 0.57] [%clk 0:58:30] } 15. Qd3 { [%eval 0.62] [%clk 1:13:19] } 15... e6 { [%eval 0.58] [%clk 0:37:50] } 16. Bb3 { [%eval 0.54] [%clk 1:12:20] } 16... Na5 { [%eval 0.63] [%clk 0:35:54] } 17. Bd6 { [%eval 0.15] [%clk 1:05:01] } 17... b6 { [%eval 0.15] [%clk 0:30:58] } 18. Qe3 { [%eval 0.11] [%clk 1:00:49] } 18... Ba4 { [%eval 0.23] [%clk 0:23:54] } 19. Rb1 { [%eval 0.0] [%clk 0:52:09] } 19... Bxb3?! { [%eval 0.82] } { Inaccuracy. Rac8 was best. } { [%clk 0:17:26] } 20. axb3 { [%eval 0.83] [%clk 0:52:20] } 20... Nb7?! { [%eval 1.84] } { Inaccuracy. Qc6 was best. } { [%clk 0:17:52] } 21. Bc7 { [%eval 2.18] [%clk 0:48:24] } 21... Rdc8 { [%eval 2.07] [%clk 0:18:16] } 22. cxb6 { [%eval 1.96] [%clk 0:48:09] } 22... Qc6?! { [%eval 2.88] } { Inaccuracy. axb6 was best. } { [%clk 0:18:17] } 23. c4?! { [%eval 2.09] } { Inaccuracy. Nd4 was best. } { [%clk 0:31:46] } 23... Nc5 { [%eval 2.22] [%clk 0:09:40] } 24. b4 { [%eval 2.28] [%clk 0:20:03] } 24... Nxe4?! { [%eval 3.33] } { Inaccuracy. Nd7 was best. } { [%clk 0:07:53] } 25. c5 { [%eval 3.32] [%clk 0:17:28] } 25... axb6 { [%eval 3.24] [%clk 0:07:55] } 26. cxb6 { [%eval 3.16] [%clk 0:17:53] } 26... Nf6 { [%eval 3.36] [%clk 0:07:44] } 27. b5 { [%eval 2.88] [%clk 0:13:21] } 27... Qb7 { [%eval 3.07] [%clk 0:08:09] } 28. Qf3 { [%eval 3.08] [%clk 0:13:31] } 28... Nd5 { [%eval 2.97] [%clk 0:06:47] } 29. Nf4 { [%eval 2.84] [%clk 0:13:44] } 29... Bd4 { [%eval 2.72] [%clk 0:05:15] } 30. Nxd5? { [%eval 1.1] } { Mistake. Rbe1 was best. } { [%clk 0:10:11] } 30... exd5 { [%eval 1.04] [%clk 0:05:43] } 31. Rbd1 { [%eval 1.05] [%clk 0:08:20] } 31... Bxb6 { [%eval 0.92] [%clk 0:04:55] } 32. Be5 { [%eval 1.07] [%clk 0:06:01] } 32... Qe7 { [%eval 0.92] [%clk 0:04:38] } 33. Rxd5 { [%eval 0.41] [%clk 0:05:26] } 33... Ra2 { [%eval 0.46] [%clk 0:04:22] } 34. Bd4 { [%eval 0.0] [%clk 0:03:37] } 34... Bxd4 { [%eval -0.01] [%clk 0:04:28] } 35. Rxd4 { [%eval -0.02] [%clk 0:04:06] } 35... Rcc2 { [%eval 0.43] [%clk 0:03:16] } 36. g3 { [%eval 0.0] [%clk 0:03:29] } 36... Rab2 { [%eval 0.16] [%clk 0:02:49] } 37. Rd5 { [%eval 0.0] [%clk 0:03:23] } 37... Kg7 { [%eval 0.0] [%clk 0:01:53] } 38. h4 { [%eval 0.0] } 38... h5 { [%eval 0.0] [%clk 0:01:53] } 39. Qf4 { [%eval 0.03] [%clk 0:01:46] } 39... Qf6 { [%eval 0.0] [%clk 0:01:57] } 40. Qxf6+ { [%eval 0.0] [%clk 0:01:34] } 40... Kxf6 { [%eval 0.0] [%clk 0:02:24] } 41. Kg2 { [%eval 0.01] [%clk 0:00:38] } 1/2-1/2