Event: Round 5: Van Ketel, Raoul - Van der Werf, Mark
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-5/3qiV0y0V/xEsbhrnt
Date: 2025-10-25
White: Van Ketel, Raoul
WhiteTitle: FM
WhiteElo: 2191
Black: Van der Werf, Mark
BlackTitle: IM
BlackElo: 2395
Result: 1/2-1/2
ECO: A41
Opening: Rat Defense: English Rat
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... d6 { [%eval 0.48] [%clk 1:30:54] } 2. c4 { [%eval 0.21] [%clk 1:31:20] } 2... e5 { [%eval 0.33] [%clk 1:31:19] } 3. Nc3 { [%eval 0.28] [%clk 1:31:44] } 3... exd4 { [%eval 0.08] [%clk 1:31:44] } 4. Qxd4 { [%eval 0.05] [%clk 1:32:07] } 4... Nc6 { [%eval 0.2] [%clk 1:32:11] } 5. Qd2 { [%eval 0.1] [%clk 1:32:27] } 5... Nf6 { [%eval 0.1] [%clk 1:32:35] } 6. b3 { [%eval 0.01] [%clk 1:32:46] } 6... a5 { [%eval 0.08] [%clk 1:32:57] } 7. Bb2 { [%eval 0.02] [%clk 1:33:07] } 7... a4 { [%eval 0.1] [%clk 1:33:23] } 8. Rd1 { [%eval 0.1] [%clk 1:33:28] } 8... axb3 { [%eval 0.12] [%clk 1:33:49] } 9. axb3 { [%eval 0.08] [%clk 1:33:50] } 9... g6 { [%eval 0.09] [%clk 1:34:12] } 10. g3 { [%eval 0.07] [%clk 1:33:53] } 10... Bg7 { [%eval 0.1] [%clk 1:34:35] } 11. Bg2 { [%eval 0.0] [%clk 1:34:02] } 11... O-O { [%eval 0.0] [%clk 1:34:56] } 12. Nf3 { [%eval 0.02] [%clk 1:33:49] } 12... Na5 { [%eval 0.16] [%clk 1:34:24] } 13. Nd5 { [%eval -0.14] [%clk 1:17:15] } 13... Ne4 { [%eval -0.14] [%clk 1:33:48] } 14. Qc2 { [%eval -0.09] [%clk 1:16:44] } 14... Bxb2 { [%eval -0.02] [%clk 1:34:11] } 15. Qxb2 { [%eval 0.0] [%clk 1:16:46] } 15... c6 { [%eval -0.08] [%clk 1:34:22] } 16. Ne3 { [%eval -0.08] [%clk 0:48:53] } 16... Qb6 { [%eval -0.1] [%clk 1:15:23] } 17. Nd4 { [%eval -0.32] [%clk 0:44:53] } 17... Qb4+ { [%eval -0.25] [%clk 1:08:54] } 18. Kf1 { [%eval -0.25] [%clk 0:45:19] } 18... Nc3 { [%eval -0.21] [%clk 0:56:53] } 19. Rc1?? { [%eval -3.93] } { Blunder. Rd3 was best. } { [%clk 0:32:26] } 19... c5?? { [%eval 0.34] } { Blunder. Nxc4 was best. } { [%clk 0:46:06] } 20. Nf3 { [%eval 0.15] [%clk 0:26:26] } 20... Na4 { [%eval 0.3] [%clk 0:35:05] } 21. Qf6 { [%eval 0.34] [%clk 0:23:46] } 21... Nb6? { [%eval 1.75] } { Mistake. Qxb3 was best. } { [%clk 0:35:25] } 22. h4 { [%eval 1.78] [%clk 0:21:03] } 22... h5?! { [%eval 2.52] } { Inaccuracy. Qxb3 was best. } { [%clk 0:28:36] } 23. Ng5 { [%eval 2.65] [%clk 0:19:28] } 23... Nc6 { [%eval 2.48] [%clk 0:24:56] } 24. Be4 { [%eval 2.57] [%clk 0:15:08] } 24... Ne5 { [%eval 2.59] [%clk 0:23:07] } 25. Kg2 { [%eval 2.71] [%clk 0:12:00] } 25... Ra2 { [%eval 2.42] [%clk 0:20:37] } 26. Rhe1 { [%eval 2.58] [%clk 0:10:30] } 26... Qxb3 { [%eval 2.73] [%clk 0:17:36] } 27. Bc2? { [%eval 1.2] } { Mistake. Rb1 was best. } { [%clk 0:04:51] } 27... Rxc2? { [%eval 2.68] } { Mistake. Qb2 was best. } { [%clk 0:15:10] } 28. Rxc2 { [%eval 2.62] [%clk 0:03:47] } 28... Bd7 { [%eval 2.5] [%clk 0:14:26] } 29. Rcc1? { [%eval 0.74] } { Mistake. Kg1 was best. } { [%clk 0:03:41] } 29... Nbxc4 { [%eval 1.07] [%clk 0:13:43] } 30. Nd5? { [%eval -0.24] } { Mistake. Nxc4 was best. } { [%clk 0:02:34] } 30... Bc6 { [%eval -0.33] [%clk 0:14:03] } 31. e4 { [%eval -0.3] [%clk 0:03:02] } 31... Bxd5 { [%eval -0.27] [%clk 0:13:56] } 32. exd5 { [%eval -0.35] [%clk 0:03:31] } 32... Ng4 { [%eval 0.0] [%clk 0:10:45] } 33. Qf4 { [%eval -0.25] [%clk 0:03:20] } 33... Nce5 { [%eval -0.11] [%clk 0:10:45] } 34. Rb1 { [%eval -0.21] [%clk 0:02:25] } 34... Qxd5+ { [%eval -0.11] [%clk 0:11:02] } 35. Qe4 { [%eval -0.07] [%clk 0:02:54] } 35... Qc6 { [%eval -0.06] [%clk 0:08:11] } 36. Qxc6 { [%eval -0.11] [%clk 0:01:47] } 36... bxc6 { [%eval -0.13] [%clk 0:07:46] } 37. Ne4 { [%eval -0.09] [%clk 0:01:59] } 37... Nd3 { [%eval 0.0] [%clk 0:07:10] } 38. Red1 { [%eval -0.17] [%clk 0:01:55] } 38... c4 { [%eval 0.0] [%clk 0:03:48] } 39. Nxd6 { [%eval -0.21] [%clk 0:01:50] } 39... Ndxf2 { [%eval 0.0] [%clk 0:03:22] } 40. Rd2 { [%eval 0.0] [%clk 0:01:16] } 40... Nd3 { [%eval 0.0] [%clk 0:01:42] } 41. Nxc4 { [%eval 0.0] [%clk 0:00:56] } 41... Nde5 { [%eval 0.0] [%clk 0:01:42] } 1/2-1/2