Event: National Chess Championships 2025
Site: https://lichess.org/broadcast/trinidad-and-tobago-championships-2025--open/round-4/gGeEUqTD/NPRfuUZA
Date: 2025-09-20
White: Joseph, Marcus
WhiteTitle: FM
WhiteElo: 2121
Black: Samuel Bisnath, Kael
BlackTitle: CM
BlackElo: 2023
Result: 1-0
ECO: D87
Opening: Grünfeld Defense: Exchange Variation, Spassky Variation
Variant: Standard
TimeControl: 90 minutes + 30 seconds

1. d4 { [%eval 0.17] [%clk 1:28:55] } 1... Nf6 { [%eval 0.19] [%clk 1:30:17] } 2. c4 { [%eval 0.18] [%clk 1:29:06] } 2... g6 { [%eval 0.28] [%clk 1:30:05] } 3. Nc3 { [%eval 0.18] [%clk 1:29:28] } 3... d5 { [%eval 0.28] [%clk 1:29:30] } 4. cxd5 { [%eval 0.28] [%clk 1:29:36] } 4... Nxd5 { [%eval 0.17] [%clk 1:29:51] } 5. e4 { [%eval 0.13] [%clk 1:30:04] } 5... Nxc3 { [%eval 0.19] [%clk 1:30:13] } 6. bxc3 { [%eval 0.17] [%clk 1:30:29] } 6... Bg7 { [%eval 0.17] [%clk 1:30:13] } 7. Bc4 { [%eval 0.13] [%clk 1:30:57] } 7... O-O { [%eval 0.16] [%clk 1:25:41] } 8. Ne2 { [%eval 0.18] [%clk 1:31:23] } 8... c5 { [%eval 0.28] [%clk 1:22:16] } 9. h4 { [%eval 0.2] [%clk 1:31:51] } 9... Nc6 { [%eval 0.12] [%clk 1:15:00] } 10. Be3 { [%eval 0.12] [%clk 1:32:01] } 10... cxd4 { [%eval 0.0] [%clk 1:13:27] } 11. cxd4 { [%eval -0.02] [%clk 1:32:27] } 11... Qa5+ { [%eval 0.07] [%clk 1:11:18] } 12. Kf1 { [%eval 0.2] [%clk 1:32:54] } 12... Bd7 { [%eval 0.44] [%clk 0:52:03] } 13. h5 { [%eval 0.47] [%clk 1:33:21] } 13... e5?! { [%eval 1.34] } { Inaccuracy. Rfd8 was best. } { [%clk 0:44:52] } 14. hxg6 { [%eval 1.13] [%clk 1:33:19] } 14... hxg6 { [%eval 1.0] [%clk 0:45:00] } 15. d5 { [%eval 0.93] [%clk 1:33:40] } 15... Nd8?! { [%eval 1.57] } { Inaccuracy. Nd4 was best. } { [%clk 0:42:21] } 16. Rc1 { [%eval 1.25] [%clk 1:31:30] } 16... Rc8 { [%eval 1.19] [%clk 0:39:54] } 17. Bb3 { [%eval 0.89] [%clk 1:29:58] } 17... b6 { [%eval 0.84] [%clk 0:33:22] } 18. Rxc8 { [%eval 0.88] [%clk 1:30:21] } 18... Bxc8 { [%eval 0.91] [%clk 0:33:44] } 19. Qc1 { [%eval 0.43] [%clk 1:30:50] } 19... Ba6 { [%eval 0.56] [%clk 0:10:36] } 20. Bh6 { [%eval 0.52] [%clk 1:28:52] } 20... Qc5 { [%eval 0.76] [%clk 0:06:28] } 21. Qxc5?! { [%eval 0.21] } { Inaccuracy. Qd2 was best. } { [%clk 1:29:06] } 21... bxc5 { [%eval 0.31] [%clk 0:06:45] } 22. Be3 { [%eval 0.29] [%clk 1:29:35] } 22... Nb7 { [%eval 0.29] [%clk 0:05:34] } 23. Ke1 { [%eval 0.15] [%clk 1:29:57] } 23... Rc8 { [%eval 0.63] [%clk 0:03:44] } 24. Nc3 { [%eval 0.65] [%clk 1:29:51] } 24... Bf8 { [%eval 0.63] [%clk 0:03:12] } 25. Kd2 { [%eval 0.71] [%clk 1:24:30] } 25... Be7 { [%eval 0.82] [%clk 0:01:39] } 26. f4 { [%eval 0.67] [%clk 1:20:51] } 26... Bd6?! { [%eval 1.81] } { Inaccuracy. Bf6 was best. } { [%clk 0:00:49] } 27. f5 { [%eval 1.92] [%clk 1:20:09] } 27... Kg7 { [%eval 1.99] [%clk 0:00:51] } 28. g4 { [%eval 2.01] [%clk 1:20:18] } 28... Rh8?! { [%eval 3.16] } { Inaccuracy. Be7 was best. } { [%clk 0:00:43] } 29. f6+ { [%eval 2.97] [%clk 1:15:55] } 29... Kg8 { [%eval 2.9] [%clk 0:01:09] } 30. Rxh8+ { [%eval 2.79] [%clk 1:16:02] } 30... Kxh8 { [%eval 2.96] [%clk 0:01:35] } 31. g5 { [%eval 2.88] [%clk 1:16:27] } 31... Kg8 { [%eval 2.8] [%clk 0:01:24] } 32. Na4 { [%eval 2.63] [%clk 1:12:07] } 32... Kf8?! { [%eval 3.47] } { Inaccuracy. Bf1 was best. } { [%clk 0:00:48] } 33. Kc3 { [%eval 3.55] [%clk 1:09:34] } 33... Bf1? { [%eval 5.74] } { Mistake. Bb5 was best. } { [%clk 0:01:00] } 34. Bc4 { [%eval 5.39] [%clk 1:08:44] } 34... Bg2 { [%eval 6.25] [%clk 0:00:49] } 35. Bd3?! { [%eval 3.95] } { Inaccuracy. Ba6 was best. } { [%clk 1:09:11] } 35... Ke8?! { [%eval 5.55] } { Inaccuracy. Bc7 was best. } { [%clk 0:00:49] } 36. Kc4?! { [%eval 4.1] } { Inaccuracy. Ba6 was best. } { [%clk 1:09:36] } 36... Na5+?! { [%eval 6.1] } { Inaccuracy. Bf8 was best. } { [%clk 0:00:41] } 37. Kb5 { [%eval 5.9] [%clk 1:10:21] } 37... c4 { [%eval 5.78] [%clk 0:00:51] } 38. Bc2 { [%eval 5.99] [%clk 1:10:18] } 38... Bc7 { [%eval 6.08] [%clk 0:00:46] } 39. Bxa7 { [%eval 5.67] [%clk 1:08:49] } 39... Bd8?! { [%eval 7.72] } { Inaccuracy. Kd8 was best. } { [%clk 0:00:36] } 40. Bb6 { [%eval 7.57] [%clk 1:04:20] } 40... Nb7 { [%eval 7.24] [%clk 0:00:43] } 41. Kc6 { [%eval 7.24] [%clk 1:04:42] } 41... Na5+ { [%eval 7.29] [%clk 0:00:39] } 42. Bxa5 { [%eval 7.02] [%clk 1:05:02] } 42... Bxa5 { [%eval 6.76] [%clk 0:01:04] } 43. Nc5 { [%eval 6.99] [%clk 1:05:28] } 43... Bd2 { [%eval 8.65] [%clk 0:00:38] } 44. d6 { [%eval 8.33] [%clk 1:04:57] } 44... Bh3 { [%eval 7.8] [%clk 0:01:01] } 45. a4 { [%eval 7.56] [%clk 1:03:06] } 1-0