Event: Biel Chess Festival 2025 Rapid
Site: Biel, Switzerland
Date: 2025-07-13
White: Maier, Christian
WhiteTitle: IM
WhiteElo: 2250
Black: Karthikeyan, Murali
BlackTitle: GM
BlackElo: 2522
Result: 0-1
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Variant: Standard
TimeControl: 15 min + 5 sec per move

1. e4 { [%eval 0.18] [%clk 0:15:05] } 1... c5 { [%eval 0.25] [%clk 0:15:06] } 2. Nf3 { [%eval 0.2] [%clk 0:15:06] } 2... Nc6 { [%eval 0.3] [%clk 0:15:09] } 3. Bb5 { [%eval 0.17] [%clk 0:15:05] } 3... g6 { [%eval 0.24] [%clk 0:14:43] } 4. O-O { [%eval 0.22] [%clk 0:15:06] } 4... Bg7 { [%eval 0.22] [%clk 0:14:47] } 5. Nc3 { [%eval 0.05] [%clk 0:15:07] } 5... e5 { [%eval 0.11] [%clk 0:14:40] } 6. Bxc6 { [%eval -0.17] [%clk 0:15:10] } 6... bxc6 { [%eval -0.08] [%clk 0:14:38] } 7. d3 { [%eval -0.28] [%clk 0:15:10] } 7... Ne7 { [%eval -0.13] [%clk 0:14:19] } 8. Be3 { [%eval -0.3] [%clk 0:14:24] } 8... d6 { [%eval -0.33] [%clk 0:14:23] } 9. a3 { [%eval -0.28] [%clk 0:14:28] } 9... a5 { [%eval -0.28] [%clk 0:14:14] } 10. Na4 { [%eval -0.26] [%clk 0:14:31] } 10... f5 { [%eval 0.08] [%clk 0:12:41] } 11. b4 { [%eval 0.11] [%clk 0:12:50] } 11... axb4 { [%eval 0.1] [%clk 0:12:35] } 12. axb4 { [%eval 0.07] [%clk 0:12:53] } 12... cxb4 { [%eval 0.08] [%clk 0:12:37] } 13. Bb6 { [%eval 0.08] [%clk 0:12:19] } 13... Qd7 { [%eval 0.17] [%clk 0:12:39] } 14. Qd2 { [%eval 0.17] [%clk 0:12:20] } 14... O-O?? { [%eval 2.85] } { Blunder. Rb8 was best. } { [%clk 0:07:05] } 15. Qxb4?? { [%eval 0.09] } { Blunder. Nc5 was best. } { [%clk 0:12:04] } 15... Rb8 { [%eval 0.12] [%clk 0:06:12] } 16. Qb3+ { [%eval -0.3] [%clk 0:10:35] } 16... Kh8 { [%eval -0.35] [%clk 0:06:14] } 17. Ng5?! { [%eval -1.07] } { Inaccuracy. Rfb1 was best. } { [%clk 0:09:07] } 17... h6 { [%eval -1.06] [%clk 0:06:09] } 18. Nh3? { [%eval -2.53] } { Mistake. Nf3 was best. } { [%clk 0:08:52] } 18... c5 { [%eval -2.72] [%clk 0:05:16] } 19. Rfb1 { [%eval -2.79] [%clk 0:08:47] } 19... Qc6 { [%eval -2.85] [%clk 0:03:33] } 20. Nc3 { [%eval -2.83] [%clk 0:07:55] } 20... fxe4 { [%eval -2.93] [%clk 0:03:17] } 21. dxe4 { [%eval -2.85] [%clk 0:07:59] } 21... Bxh3 { [%eval -2.37] [%clk 0:02:24] } 22. gxh3 { [%eval -2.17] [%clk 0:08:03] } 22... Nc8? { [%eval -0.77] } { Mistake. Qc8 was best. } { [%clk 0:02:27] } 23. Ra6 { [%eval -0.62] [%clk 0:07:02] } 23... Rf3 { [%eval -0.25] [%clk 0:01:08] } 24. Qd5?? { [%eval -2.92] } { Blunder. Qa4 was best. } { [%clk 0:07:05] } 24... Qd7 { [%eval -2.76] [%clk 0:01:01] } 25. Bxc5?! { [%eval -3.57] } { Inaccuracy. Rb3 was best. } { [%clk 0:06:25] } 25... Rxb1+ { [%eval -3.38] [%clk 0:00:34] } 26. Nxb1 { [%eval -3.46] [%clk 0:06:29] } 26... Qb5 { [%eval -3.42] [%clk 0:00:32] } 27. Qd1?! { [%eval -4.42] } { Inaccuracy. Nd2 was best. } { [%clk 0:00:35] } 27... Qxa6 { [%eval -4.47] [%clk 0:00:27] } 28. Qxf3 { [%eval -4.24] [%clk 0:00:38] } 28... dxc5 { [%eval -4.42] [%clk 0:00:31] } 29. Nc3 { [%eval -4.65] [%clk 0:00:38] } 29... Kh7 { [%eval -4.39] [%clk 0:00:18] } 30. Qg4 { [%eval -5.5] [%clk 0:00:37] } 30... Nd6 { [%eval -4.83] [%clk 0:00:17] } 31. Nd5 { [%clk 0:00:38] } 31... Qa1+ { [%clk 0:00:17] } 32. Kg2 { [%clk 0:00:42] } 32... Qa4 { [%clk 0:00:15] } 33. f3 { [%clk 0:00:34] } 33... Qxc2+ { [%clk 0:00:18] } 34. Kg3 { [%clk 0:00:38] } 34... Qc1 { [%clk 0:00:11] } 35. Kg2 { [%clk 0:00:07] } 35... Nc4 { [%clk 0:00:08] } 36. Qd7 { [%clk 0:00:06] } 36... Ne3+ { [%clk 0:00:10] } 0-1