Event: Round 4: Kayser, Pierrot - Dautov, Polatbek
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-4/falyFzrg/8wmVmOzi
Date: 2025-10-24
White: Kayser, Pierrot
WhiteElo: 1712
Black: Dautov, Polatbek
BlackElo: 1877
Result: 0-1
ECO: D02
Opening: Queen's Pawn Game: London System
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... d5 { [%eval 0.18] [%clk 1:30:53] } 2. Nf3 { [%eval 0.08] [%clk 1:31:09] } 2... Nf6 { [%eval 0.11] [%clk 1:31:09] } 3. Bf4 { [%eval 0.04] [%clk 1:31:09] } 3... e6 { [%eval 0.1] [%clk 1:26:37] } 4. e3 { [%eval 0.0] [%clk 1:30:46] } 4... Nbd7 { [%eval 0.24] [%clk 1:25:12] } 5. Nbd2 { [%eval 0.17] [%clk 1:29:47] } 5... Be7 { [%eval 0.17] [%clk 1:25:23] } 6. Be2 { [%eval 0.1] [%clk 1:29:59] } 6... b6 { [%eval 0.24] [%clk 1:25:34] } 7. O-O { [%eval 0.15] [%clk 1:26:48] } 7... Bb7 { [%eval 0.19] [%clk 1:25:50] } 8. c4 { [%eval -0.06] [%clk 1:26:40] } 8... O-O { [%eval -0.02] [%clk 1:26:11] } 9. cxd5 { [%eval -0.06] [%clk 1:26:22] } 9... exd5 { [%eval 0.15] [%clk 1:26:35] } 10. Rc1 { [%eval 0.04] [%clk 1:26:17] } 10... c5 { [%eval 0.03] [%clk 1:26:21] } 11. dxc5 { [%eval 0.0] [%clk 1:24:38] } 11... bxc5 { [%eval 0.09] [%clk 1:26:17] } 12. Nb3 { [%eval -0.33] [%clk 1:22:07] } 12... Qb6 { [%eval -0.3] [%clk 1:25:51] } 13. Ne5 { [%eval -0.29] [%clk 1:20:32] } 13... Rfd8 { [%eval -0.24] [%clk 1:25:59] } 14. Qd2 { [%eval -0.56] [%clk 1:16:33] } 14... a5 { [%eval -0.51] [%clk 1:26:16] } 15. Nxd7 { [%eval -0.57] [%clk 1:15:49] } 15... Rxd7 { [%eval -0.18] [%clk 1:25:46] } 16. Bf3?? { [%eval -2.92] } { Blunder. Qc2 was best. } { [%clk 1:14:07] } 16... a4 { [%eval -3.22] [%clk 1:26:10] } 17. Na1 { [%eval -2.88] [%clk 1:14:20] } 17... Qe6?! { [%eval -2.04] } { Inaccuracy. d4 was best. } { [%clk 1:21:56] } 18. a3? { [%eval -3.48] } { Mistake. h3 was best. } { [%clk 1:12:21] } 18... g5 { [%eval -3.51] [%clk 1:20:08] } 19. Bg3 { [%eval -3.59] [%clk 1:11:49] } 19... g4 { [%eval -3.13] [%clk 1:18:53] } 20. Be2 { [%eval -2.95] [%clk 1:10:35] } 20... Ne4 { [%eval -2.91] [%clk 1:18:24] } 21. Qd1 { [%eval -3.0] [%clk 1:10:31] } 21... Nxg3 { [%eval -2.34] [%clk 1:18:32] } 22. fxg3 { [%eval -2.84] [%clk 1:10:38] } 22... h5 { [%eval -2.57] [%clk 1:18:24] } 23. Qd3? { [%eval -4.58] } { Mistake. Bb5 was best. } { [%clk 1:09:22] } 23... Bg5 { [%eval -4.37] [%clk 1:18:33] } 24. Nc2 { [%eval -4.16] [%clk 1:09:11] } 24... d4 { [%eval -3.92] [%clk 1:18:28] } 25. Qf5 { [%eval -4.2] [%clk 1:08:33] } 25... Qd5?? { [%eval -1.81] } { Blunder. Rd5 was best. } { [%clk 1:07:40] } 26. Qxd5 { [%eval -2.07] [%clk 1:04:13] } 26... Bxd5 { [%eval -1.93] [%clk 1:01:09] } 27. Rf5 { [%eval -1.72] [%clk 1:00:54] } 27... f6?! { [%eval -0.92] } { Inaccuracy. Bh6 was best. } { [%clk 1:00:29] } 28. Rd1?? { [%eval -4.48] } { Blunder. h4 was best. } { [%clk 1:00:20] } 28... Be4 { [%eval -4.27] [%clk 0:50:23] } 29. Rxc5 { [%eval -4.31] [%clk 0:51:41] } 29... d3 { [%eval -4.34] [%clk 0:50:41] } 30. Bxd3 { [%eval -4.3] [%clk 0:51:00] } 30... Rxd3 { [%eval -4.26] [%clk 0:50:43] } 31. Rxd3 { [%eval -4.3] [%clk 0:50:55] } 31... Bxd3 { [%eval -4.78] [%clk 0:51:12] } 32. Kf2 { [%eval -4.68] [%clk 0:51:09] } 32... Re8 { [%eval -4.57] [%clk 0:51:03] } 33. Ra5? { [%eval -7.86] } { Mistake. Rc3 was best. } { [%clk 0:50:43] } 33... Bxc2 { [%eval -7.43] [%clk 0:51:26] } 0-1