Event: Biel Chess Festival 2025 Swiss CHampionship 960
Site: Biel, Switzerland
Date: 2025-07-12
White: Karthikeyan, Murali
WhiteTitle: GM
WhiteElo: 2650
Black: Kostopoulos, Evaggelos
BlackElo: 2011
Result: 1-0
Variant: Fischerandom
TimeControl: 15 min + 5 sec per move

1. d4 { [%eval 0.17] [%clk 0:15:08] } 1... f5 { [%eval 0.28] [%clk 0:14:50] } 2. g3 { [%eval 0.26] [%clk 0:15:00] } 2... Nf6 { [%eval 0.22] [%clk 0:14:50] } 3. Ne3 { [%eval 0.32] [%clk 0:14:16] } 3... g6 { [%eval 0.19] [%clk 0:14:11] } 4. a4 { [%eval 0.3] [%clk 0:13:15] } 4... d6 { [%eval 0.82] [%clk 0:13:42] } 5. a5 { [%eval 0.71] [%clk 0:12:55] } 5... a6 { [%eval 0.75] [%clk 0:13:10] } 6. Ra3 { [%eval 0.85] [%clk 0:12:14] } 6... e5 { [%eval 1.05] [%clk 0:13:04] } 7. dxe5 { [%eval 0.66] [%clk 0:10:27] } 7... dxe5 { [%eval 0.57] [%clk 0:13:08] } 8. Bc3?! { [%eval -0.17] } { Inaccuracy. Rad3 was best. } { [%clk 0:08:07] } 8... Rxd1 { [%eval -0.28] [%clk 0:09:42] } 9. Qxd1 { [%eval -0.31] [%clk 0:08:04] } 9... Ne4 { [%eval 0.1] [%clk 0:08:10] } 10. Bxe4 { [%eval 0.08] [%clk 0:07:39] } 10... fxe4 { [%eval 0.12] [%clk 0:08:12] } 11. Qd5 { [%eval 0.0] [%clk 0:06:29] } 11... Bc6 { [%eval 0.0] [%clk 0:06:42] } 12. Qg8 { [%eval -0.2] [%clk 0:06:14] } 12... Ne6 { [%eval -0.18] [%clk 0:06:44] } 13. Qxh7 { [%eval -0.12] [%clk 0:05:28] } 13... Qe8 { [%eval -0.19] [%clk 0:06:48] } 14. Qh4?! { [%eval -1.13] } { Inaccuracy. b3 was best. } { [%clk 0:04:38] } 14... O-O-O { [%eval -1.16] [%clk 0:06:25] } 15. Nh3?! { [%eval -2.24] } { Inaccuracy. Qh3 was best. } { [%clk 0:04:15] } 15... Kb8?! { [%eval -1.6] } { Inaccuracy. Nd4 was best. } { [%clk 0:05:20] } 16. Qg4? { [%eval -3.4] } { Mistake. Bb4 was best. } { [%clk 0:02:29] } 16... Bf6 { [%eval -3.32] [%clk 0:04:36] } 17. Ra1 { [%eval -3.4] [%clk 0:01:01] } 17... Nd4 { [%eval -3.8] [%clk 0:03:31] } 18. Ng1 { [%eval -3.71] [%clk 0:01:01] } 18... Nf5? { [%eval -1.8] } { Mistake. Qf7 was best. } { [%clk 0:01:40] } 19. b3 { [%eval -1.71] [%clk 0:00:44] } 19... Nxe3 { [%eval -1.57] [%clk 0:01:11] } 20. fxe3 { [%eval -1.62] [%clk 0:00:48] } 20... g5? { [%eval -0.18] } { Mistake. Rd5 was best. } { [%clk 0:00:31] } 21. Qf5 { [%eval -0.09] [%clk 0:00:20] } 21... Qh8 { [%eval -0.16] [%clk 0:00:18] } 22. Kb2 { [%eval -0.11] [%clk 0:00:15] } 22... Bd7 { [%eval -0.04] [%clk 0:00:13] } 23. Qxe4 { [%eval -0.11] [%clk 0:00:18] } 23... Qxh2? { [%eval 1.06] } { Mistake. g4 was best. } { [%clk 0:00:17] } 24. Nf3 { [%eval 0.97] [%clk 0:00:09] } 24... Bc6?? { [%eval 5.22] } { Blunder. Qxg3 was best. } { [%clk 0:00:12] } 25. Qf5?? { [%eval 2.14] } { Blunder. Qxc6 was best. } { [%clk 0:00:09] } 25... Qxe2?? { [%eval 5.84] } { Blunder. Qh8 was best. } { [%clk 0:00:10] } 26. Qxf6 { [%eval 5.81] [%clk 0:00:13] } 26... Rd6 { [%eval 6.67] [%clk 0:00:06] } 27. Qh8+ { [%eval 6.34] [%clk 0:00:14] } 27... Ka7 { [%clk 0:00:10] } 28. Nxe5 { [%clk 0:00:17] } 28... Be4 { [%clk 0:00:12] } 29. Bd4+ { [%clk 0:00:12] } 29... b6 { [%clk 0:00:07] } 30. axb6+ { [%clk 0:00:15] } 30... cxb6 { [%clk 0:00:11] } 31. Qg7+ { [%clk 0:00:16] } 31... Kb8 { [%clk 0:00:11] } 32. Qf8+ { [%clk 0:00:20] } 32... Kc7 { [%clk 0:00:09] } 33. Qe7+ { [%clk 0:00:23] } 1-0