Event: Round 4: Den Heijer, Rolinde - Kumar, Prajit Sai
Date: 2025-07-25
White: Den Heijer, Rolinde
WhiteElo: 1999
Black: Kumar, Prajit Sai
BlackElo: 2231
Result: 0-1
ECO: B61
Opening: Sicilian Defense: Richter-Rauzer Variation, Modern Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:30:57] } 2. Nf3 { [%eval 0.2] [%clk 1:31:23] } 2... Nc6 { [%eval 0.3] [%clk 1:31:24] } 3. d4 { [%eval 0.27] [%clk 1:31:45] } 3... cxd4 { [%eval 0.27] [%clk 1:31:50] } 4. Nxd4 { [%eval 0.21] [%clk 1:32:09] } 4... Nf6 { [%eval 0.19] [%clk 1:32:17] } 5. Nc3 { [%eval 0.26] [%clk 1:32:30] } 5... d6 { [%eval 0.3] [%clk 1:32:44] } 6. Bg5 { [%eval 0.25] [%clk 1:32:46] } 6... Bd7 { [%eval 0.38] [%clk 1:33:07] } 7. Qd2 { [%eval 0.41] [%clk 1:32:42] } 7... Rc8 { [%eval 0.44] [%clk 1:33:31] } 8. O-O-O { [%eval 0.76] [%clk 1:31:35] } 8... Nxd4 { [%eval 0.66] [%clk 1:33:54] } 9. Qxd4 { [%eval 0.64] [%clk 1:31:35] } 9... Qa5 { [%eval 0.64] [%clk 1:34:22] } 10. f4 { [%eval 0.76] [%clk 1:29:34] } 10... h6 { [%eval 0.58] [%clk 1:34:27] } 11. Bxf6 { [%eval 0.73] [%clk 1:25:39] } 11... gxf6 { [%eval 0.53] [%clk 1:34:46] } 12. Kb1 { [%eval 0.64] [%clk 1:23:00] } 12... Qc5 { [%eval 0.57] [%clk 1:34:57] } 13. Qd2 { [%eval 0.07] [%clk 1:21:25] } 13... f5 { [%eval 0.13] [%clk 1:34:48] } 14. Bd3 { [%eval -0.19] [%clk 1:14:56] } 14... Bg7 { [%eval -0.17] [%clk 1:34:13] } 15. Ne2 { [%eval -0.2] [%clk 1:09:11] } 15... O-O { [%eval 0.1] [%clk 1:13:54] } 16. exf5 { [%eval -0.01] [%clk 1:01:32] } 16... Bxf5 { [%eval 0.11] [%clk 1:14:07] } 17. Rhg1 { [%eval -0.27] [%clk 0:54:01] } 17... Qb6 { [%eval -0.25] [%clk 1:07:59] } 18. c3 { [%eval -0.23] [%clk 0:52:28] } 18... Bg4 { [%eval -0.3] [%clk 1:02:40] } 19. Ka1?? { [%eval -2.19] } { Blunder. Rgf1 was best. } { [%clk 0:43:41] } 19... Rc5?? { [%eval -0.12] } { Blunder. Bxe2 was best. } { [%clk 0:47:16] } 20. Rb1? { [%eval -1.33] } { Mistake. Rge1 was best. } { [%clk 0:34:03] } 20... Rfc8 { [%eval -1.34] [%clk 0:38:11] } 21. Nd4 { [%eval -1.8] [%clk 0:30:51] } 21... Ra5 { [%eval -2.04] [%clk 0:28:17] } 22. Rbe1 { [%eval -1.99] [%clk 0:27:23] } 22... e5 { [%eval -2.09] [%clk 0:16:54] } 23. fxe5 { [%eval -2.72] [%clk 0:22:32] } 23... dxe5 { [%eval -2.91] [%clk 0:17:13] } 24. Nf5?! { [%eval -4.23] } { Inaccuracy. Nc2 was best. } { [%clk 0:19:39] } 24... Qb3 { [%eval -4.41] [%clk 0:12:55] } 25. a3 { [%eval -4.42] [%clk 0:16:01] } 25... Rxc3?? { [%eval -1.29] } { Blunder. Rxa3+ was best. } { [%clk 0:09:56] } 26. Ne7+?? { [%eval -4.3] } { Blunder. Nxg7 was best. } { [%clk 0:12:15] } 26... Kf8 { [%eval -4.3] [%clk 0:08:58] } 27. Bc4?! { [%eval -6.21] } { Inaccuracy. Bc2 was best. } { [%clk 0:11:29] } 27... Rxa3+ { [%eval -6.04] [%clk 0:07:37] } 28. bxa3?! { [%eval -9.21] } { Inaccuracy. Kb1 was best. } { [%clk 0:11:24] } 28... Qxa3+?! { [%eval -5.55] } { Inaccuracy. Rc1+ was best. } { [%clk 0:07:49] } 29. Ba2 { [%eval -4.78] [%clk 0:09:53] } 29... Kxe7 { [%eval -4.67] [%clk 0:07:00] } 30. Qd5?? { [%eval #-5] } { Checkmate is now unavoidable. Qb2 was best. } { [%clk 0:07:06] } 30... Be6? { [%eval -9.09] } { Lost forced checkmate sequence. Rc1+ was best. } { [%clk 0:06:31] } 31. Qxb7+ { [%eval -8.94] [%clk 0:07:08] } 31... Kf8 { [%eval -8.81] [%clk 0:06:26] } 32. Qb2 { [%eval -8.69] [%clk 0:05:27] } 32... e4 { [%eval -8.52] [%clk 0:06:28] } 33. Kb1? { [%eval #-5] } { Checkmate is now unavoidable. Qxa3+ was best. } { [%clk 0:05:01] } 33... Bxa2+ { [%eval #-5] [%clk 0:06:32] } 34. Qxa2 { [%eval #-5] [%clk 0:05:04] } 34... Rb3+ { [%eval #-4] [%clk 0:06:53] } 35. Qxb3 { [%eval #-4] [%clk 0:04:44] } 35... Qxb3+ { [%eval #-3] [%clk 0:07:16] } 36. Kc1 { [%eval #-3] [%clk 0:04:50] } 36... Bc3 { [%eval #-4] [%clk 0:07:22] } 37. Re2 { [%eval #-4] [%clk 0:04:35] } 37... Qa3+ { [%eval #-3] [%clk 0:07:38] } 38. Kc2 { [%eval #-2] [%clk 0:04:36] } 38... Qb2+ { [%eval #-1] [%clk 0:08:02] } 39. Kd1 { [%clk 0:05:01] } 39... Qb1# { [%clk 0:08:27] } 0-1