Event: Quantbox Chennai Grandmasters Chess Tournament 2025
Site: https://lichess.org/broadcast/chennai-grand-masters-2025--masters/round-3/ZAPAxXw1/tdYh3vU9
White: Keymer, Vincent
WhiteTitle: GM
WhiteElo: 2730
Black: Karthikeyan, Murali
BlackTitle: GM
BlackElo: 2658
Result: 1-0
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard
TimeControl: 90 minutes + 30 seconds per move

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.24] [%clk 1:30:39] } 2. Nf3 { [%eval 0.2] [%clk 1:31:21] } 2... e6 { [%eval 0.28] [%clk 1:30:45] } 3. d4 { [%eval 0.4] [%clk 1:31:26] } 3... cxd4 { [%eval 0.29] [%clk 1:31:07] } 4. Nxd4 { [%eval 0.35] [%clk 1:31:51] } 4... Nc6 { [%eval 0.28] [%clk 1:31:16] } 5. Nc3 { [%eval 0.26] [%clk 1:31:47] } 5... Nf6 { [%eval 0.35] [%clk 1:30:47] } 6. Bf4 { [%eval 0.08] [%clk 1:32:09] } 6... d6 { [%eval 0.27] [%clk 1:21:41] } 7. Bb5 { [%eval 0.16] [%clk 1:32:33] } 7... Bd7 { [%eval 0.2] [%clk 1:21:15] } 8. Nxc6 { [%eval 0.15] [%clk 1:32:57] } 8... Bxc6 { [%eval 0.33] [%clk 1:19:54] } 9. Qd3 { [%eval 0.42] [%clk 1:26:55] } 9... a6 { [%eval 0.45] [%clk 1:12:09] } 10. Bxc6+ { [%eval 0.46] [%clk 1:26:31] } 10... bxc6 { [%eval 0.49] [%clk 1:12:36] } 11. O-O-O { [%eval 0.44] [%clk 1:14:09] } 11... d5 { [%eval 0.49] [%clk 1:12:00] } 12. h4 { [%eval 0.67] [%clk 1:11:00] } 12... Be7 { [%eval 0.93] [%clk 0:46:26] } 13. h5 { [%eval 0.91] [%clk 1:10:33] } 13... h6 { [%eval 1.36] [%clk 0:46:22] } 14. Qg3 { [%eval 1.32] [%clk 1:08:32] } 14... Kf8 { [%eval 1.3] [%clk 0:46:04] } 15. Kb1 { [%eval 1.34] [%clk 1:00:11] } 15... Ra7 { [%eval 1.77] [%clk 0:45:52] } 16. Be5 { [%eval 1.47] [%clk 0:58:37] } 16... Rg8 { [%eval 1.7] [%clk 0:42:44] } 17. f4 { [%eval 1.84] [%clk 0:51:57] } 17... Nd7 { [%eval 1.72] [%clk 0:30:30] } 18. exd5 { [%eval 1.52] [%clk 0:51:33] } 18... exd5?! { [%eval 2.3] } { Inaccuracy. cxd5 was best. } { [%clk 0:28:59] } 19. Ne2 { [%eval 2.39] [%clk 0:48:39] } 19... Rb7 { [%eval 2.84] [%clk 0:21:46] } 20. b3?! { [%eval 2.1] } { Inaccuracy. Nd4 was best. } { [%clk 0:44:59] } 20... g5?! { [%eval 3.39] } { Inaccuracy. Nf6 was best. } { [%clk 0:18:37] } 21. Qd3 { [%eval 3.35] [%clk 0:43:15] } 21... gxf4 { [%eval 3.74] [%clk 0:12:49] } 22. Bxf4 { [%eval 3.53] [%clk 0:43:29] } 22... Bg5 { [%eval 3.62] [%clk 0:10:05] } 23. Rhf1 { [%eval 3.79] [%clk 0:43:44] } 23... Nc5 { [%eval 3.77] [%clk 0:07:35] } 24. Qc3 { [%eval 3.67] [%clk 0:41:35] } 24... Ne4 { [%eval 3.75] [%clk 0:04:09] } 25. Qxc6 { [%eval 3.64] [%clk 0:41:58] } 25... Rd7?! { [%eval 4.79] } { Inaccuracy. Rb6 was best. } { [%clk 0:04:15] } 26. Nd4 { [%eval 4.69] [%clk 0:41:11] } 26... Bxf4 { [%eval 5.78] [%clk 0:03:23] } 27. Rxf4 { [%eval 5.66] [%clk 0:41:36] } 27... Rd6 { [%eval 5.29] [%clk 0:03:42] } 28. Ne6+ { [%eval 6.0] [%clk 0:41:29] } 28... Rxe6 { [%eval 6.16] [%clk 0:04:02] } 29. Qxe6 { [%eval 5.84] [%clk 0:41:54] } 29... Nc3+ { [%eval 6.23] [%clk 0:04:25] } 30. Ka1 { [%eval 5.99] [%clk 0:42:12] } 1-0