Event: Round 5: Martens, Martin - Kotsur, Pavel
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-5/3qiV0y0V/TBxqsf83
Date: 2025-10-25
White: Martens, Martin
WhiteTitle: IM
WhiteElo: 2300
Black: Kotsur, Pavel
BlackTitle: GM
BlackElo: 2491
Result: 1-0
ECO: C77
Opening: Ruy Lopez: Morphy Defense, Anderssen Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:56] } 1... e5 { [%eval 0.22] [%clk 1:30:56] } 2. Nf3 { [%eval 0.13] [%clk 1:31:12] } 2... Nc6 { [%eval 0.21] [%clk 1:31:23] } 3. Bb5 { [%eval 0.15] [%clk 1:31:28] } 3... a6 { [%eval 0.21] [%clk 1:31:47] } 4. Ba4 { [%eval 0.11] [%clk 1:31:43] } 4... Nf6 { [%eval 0.28] [%clk 1:32:06] } 5. d3 { [%eval 0.04] [%clk 1:31:55] } 5... Bc5 { [%eval 0.08] [%clk 1:31:36] } 6. c3 { [%eval 0.0] [%clk 1:31:42] } 6... b5 { [%eval 0.08] [%clk 1:29:01] } 7. Bc2 { [%eval 0.0] [%clk 1:30:53] } 7... d5 { [%eval 0.0] [%clk 1:23:38] } 8. exd5 { [%eval 0.03] [%clk 1:31:04] } 8... Qxd5 { [%eval 0.04] [%clk 1:23:39] } 9. Qe2 { [%eval 0.05] [%clk 1:22:01] } 9... O-O { [%eval 0.13] [%clk 1:17:27] } 10. Bg5 { [%eval 0.12] [%clk 1:21:18] } 10... Qe6 { [%eval 0.24] [%clk 1:08:41] } 11. Nbd2 { [%eval -0.05] [%clk 1:18:49] } 11... Bb7 { [%eval 0.36] [%clk 0:58:58] } 12. O-O { [%eval 0.24] [%clk 1:15:18] } 12... h6 { [%eval 0.68] [%clk 0:51:05] } 13. Bxf6 { [%eval 0.85] [%clk 1:09:25] } 13... Qxf6 { [%eval 0.87] [%clk 0:51:04] } 14. Rae1?! { [%eval 0.23] } { Inaccuracy. Ne4 was best. } { [%clk 1:06:46] } 14... Bd6 { [%eval 0.5] [%clk 0:48:16] } 15. Ne4 { [%eval 0.44] [%clk 1:04:51] } 15... Qe6?! { [%eval 1.14] } { Inaccuracy. Qd8 was best. } { [%clk 0:39:03] } 16. d4 { [%eval 0.94] [%clk 0:42:30] } 16... Qxa2?? { [%eval 3.65] } { Blunder. exd4 was best. } { [%clk 0:37:45] } 17. dxe5 { [%eval 3.56] [%clk 0:39:25] } 17... Be7 { [%eval 3.44] [%clk 0:27:57] } 18. b3 { [%eval 3.4] [%clk 0:39:34] } 18... Qa5 { [%eval 3.43] [%clk 0:27:55] } 19. Nf6+ { [%eval 3.32] [%clk 0:31:21] } 19... Bxf6 { [%eval 3.28] [%clk 0:27:49] } 20. b4 { [%eval 3.28] [%clk 0:29:54] } 20... Qb6 { [%eval 3.41] [%clk 0:23:31] } 21. exf6 { [%eval 3.5] [%clk 0:30:02] } 21... g6 { [%eval 3.56] [%clk 0:24:00] } 22. Qd2 { [%eval 3.32] [%clk 0:27:59] } 22... Nd8 { [%eval 3.74] [%clk 0:23:08] } 23. Ne5 { [%eval 3.61] [%clk 0:24:40] } 23... Qxf6 { [%eval 3.66] [%clk 0:21:34] } 24. Nd7 { [%eval 3.42] [%clk 0:24:24] } 24... Qg5? { [%eval 5.43] } { Mistake. Qd6 was best. } { [%clk 0:21:32] } 25. f4 { [%eval 5.19] [%clk 0:24:01] } 25... Qh4 { [%eval 5.18] [%clk 0:21:27] } 26. Nxf8 { [%eval 5.39] [%clk 0:22:30] } 26... Kxf8 { [%eval 5.69] [%clk 0:21:56] } 27. f5 { [%eval 5.25] [%clk 0:21:36] } 27... g5?! { [%eval 7.76] } { Inaccuracy. gxf5 was best. } { [%clk 0:19:10] } 28. Qd7 { [%eval 7.36] [%clk 0:20:40] } 1-0