Event: Round 4: Ruairi Isaacs - Olugbemiga (Ben) Ogunshola
Date: 2022-11-06
White: Ruairi Isaacs
Black: Olugbemiga (Ben) Ogunshola
Result: 0-1
ECO: D85
Opening: Grünfeld Defense: Exchange Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:28] } 1... Nf6 { [%eval 0.23] [%clk 1:30:04] } 2. c4 { [%eval 0.29] [%clk 1:30:31] } 2... g6 { [%eval 0.3] [%clk 1:30:02] } 3. Nc3 { [%eval 0.31] [%clk 1:30:41] } 3... d5 { [%eval 0.2] [%clk 1:29:20] } 4. cxd5 { [%eval 0.4] [%clk 1:30:44] } 4... Nxd5 { [%eval 0.19] [%clk 1:29:32] } 5. e4 { [%eval 0.23] [%clk 1:30:20] } 5... Nxc3 { [%eval 0.21] [%clk 1:29:36] } 6. bxc3 { [%eval 0.0] [%clk 1:30:32] } 6... c5 { [%eval 0.4] [%clk 1:29:03] } 7. Be3 { [%eval 0.28] [%clk 1:30:29] } 7... Bg7 { [%eval 0.08] [%clk 1:29:00] } 8. Qd2 { [%eval 0.28] [%clk 1:30:13] } 8... Qa5 { [%eval 0.4] [%clk 1:28:35] } 9. Nf3 { [%eval 0.45] [%clk 1:29:39] } 9... Nc6 { [%eval 0.44] [%clk 1:27:50] } 10. Rc1 { [%eval 0.21] [%clk 1:27:39] } 10... cxd4 { [%eval 0.16] [%clk 1:23:56] } 11. cxd4 { [%eval 0.11] [%clk 1:26:39] } 11... Qxd2+ { [%eval 0.42] [%clk 1:23:55] } 12. Kxd2 { [%eval 0.29] [%clk 1:26:52] } 12... O-O { [%eval 0.33] [%clk 1:23:41] } 13. Bb5 { [%eval 0.11] [%clk 1:26:18] } 13... Rd8 { [%eval 0.41] [%clk 1:21:20] } 14. d5? { [%eval -0.78] } { Mistake. Bxc6 was best. } { [%clk 1:22:31] } 14... e6 { [%eval -0.82] [%clk 1:19:21] } 15. Bxc6 { [%eval -0.75] [%clk 1:18:31] } 15... bxc6 { [%eval -0.72] [%clk 1:19:14] } 16. Rxc6 { [%eval -0.73] [%clk 1:18:06] } 16... exd5 { [%eval -0.77] [%clk 1:19:21] } 17. e5 { [%eval -0.55] [%clk 1:15:15] } 17... d4 { [%eval -0.76] [%clk 1:16:22] } 18. Bf4?! { [%eval -1.33] } { Inaccuracy. Bg5 was best. } { [%clk 1:13:01] } 18... Be6 { [%eval -0.94] [%clk 1:14:09] } 19. a3?! { [%eval -1.52] } { Inaccuracy. Ra6 was best. } { [%clk 1:07:51] } 19... Rab8 { [%eval -1.21] [%clk 1:08:08] } 20. Rhc1?! { [%eval -1.95] } { Inaccuracy. Rd1 was best. } { [%clk 1:03:36] } 20... Bf8 { [%eval -1.38] [%clk 1:04:56] } 21. a4? { [%eval -2.64] } { Mistake. Ra6 was best. } { [%clk 0:57:09] } 21... a5 { [%eval -2.67] [%clk 0:58:16] } 22. Ke1 { [%eval -2.75] [%clk 0:40:56] } 22... Ba3 { [%eval -2.91] [%clk 0:48:08] } 23. Rd1 { [%eval -3.4] [%clk 0:36:23] } 23... d3 { [%eval -2.85] [%clk 0:36:18] } 24. Bd2?! { [%eval -3.72] } { Inaccuracy. Bg5 was best. } { [%clk 0:28:04] } 24... Rd5?? { [%eval -1.51] } { Blunder. Bb3 was best. } { [%clk 0:28:34] } 25. Rc3?! { [%eval -2.49] } { Inaccuracy. Bc3 was best. } { [%clk 0:23:30] } 25... Bb2?! { [%eval -1.54] } { Inaccuracy. Bb4 was best. } { [%clk 0:27:24] } 26. Rc6 { [%eval -1.62] [%clk 0:22:22] } 26... Bd7 { [%eval -1.38] [%clk 0:18:50] } 27. Rd6 { [%eval -0.93] [%clk 0:18:08] } 27... Rxd6 { [%eval -1.01] [%clk 0:16:12] } 28. exd6 { [%eval -1.06] [%clk 0:18:15] } 28... Bxa4 { [%eval -0.9] [%clk 0:16:19] } 29. Rb1 { [%eval -0.82] [%clk 0:09:43] } 29... f6 { [%eval -0.62] [%clk 0:14:32] } 30. Nd4?? { [%eval -8.0] } { Blunder. Kf1 was best. } { [%clk 0:04:35] } 30... Kf7?? { [%eval -2.56] } { Blunder. Re8+ was best. } { [%clk 0:14:35] } 31. f3?? { [%eval -7.5] } { Blunder. Kf1 was best. } { [%clk 0:00:23] } 31... Re8+ { [%eval -7.91] [%clk 0:13:50] } 32. Kf1 { [%eval -8.86] [%clk 0:00:16] } 32... Bxd4 { [%eval -8.58] [%clk 0:13:55] } 33. Rb7+ { [%eval -9.57] [%clk 0:00:21] } 33... Ke6 { [%eval -9.26] [%clk 0:14:02] } 34. Bxa5 { [%eval -9.27] [%clk 0:00:22] } 34... Bd7 { [%eval -9.53] [%clk 0:14:00] } 35. Bc7 { [%eval -11.62] [%clk 0:00:30] } 35... Ra8 { [%eval -14.14] [%clk 0:13:57] } 36. Rb1 { [%eval -19.58] [%clk 0:00:36] } 36... Bb5 { [%eval -9.3] [%clk 0:13:37] } 37. Ke1 { [%eval -10.09] [%clk 0:00:21] } 37... Be3 { [%eval -21.96] [%clk 0:11:50] } 38. g4 { [%eval -15.59] [%clk 0:00:16] } 38... Ra2 { [%eval #-6] [%clk 0:11:52] } 39. f4 { [%eval #-3] [%clk 0:00:17] } 39... Rxh2 { [%eval #-3] [%clk 0:11:46] } 40. f5+ { [%eval #-3] [%clk 0:00:24] } 40... Kd7 { [%eval #-2] [%clk 0:11:51] } 41. fxg6 { [%eval #-1] [%clk 0:00:26] } 41... Rh1# { [%clk 0:11:54] } 0-1