Event: Biel Chess Festival 2025 Swiss CHampionship 960
Site: Biel, Switzerland
Date: 2025-07-12
White: Kostopoulos, Evaggelos
WhiteElo: 2011
Black: Kappeler, Kaspar
BlackTitle: FM
BlackElo: 2152
Result: 0-1
Variant: Fischerandom
TimeControl: 15 min + 5 sec per move

1. d4 { [%eval -0.01] [%clk 0:14:49] } 1... d5 { [%eval 0.38] [%clk 0:14:44] } 2. e4 { [%eval 0.11] [%clk 0:12:59] } 2... g6?! { [%eval 0.7] } { Inaccuracy. Nb6 was best. } { [%clk 0:13:58] } 3. Nb3 { [%eval 0.26] [%clk 0:12:32] } 3... dxe4 { [%eval 0.14] [%clk 0:13:21] } 4. Qxe4 { [%eval 0.18] [%clk 0:12:35] } 4... Bf5?! { [%eval 0.83] } { Inaccuracy. Nb6 was best. } { [%clk 0:13:12] } 5. Qd5+ { [%eval 0.35] [%clk 0:09:29] } 5... Nd7?! { [%eval 1.26] } { Inaccuracy. Qd7 was best. } { [%clk 0:12:43] } 6. g4?! { [%eval 0.16] } { Inaccuracy. Qa5 was best. } { [%clk 0:08:54] } 6... Be6 { [%eval 0.06] [%clk 0:11:59] } 7. Qa5 { [%eval -0.16] [%clk 0:08:35] } 7... Bxb3 { [%eval -0.06] [%clk 0:10:30] } 8. axb3 { [%eval -0.16] [%clk 0:08:39] } 8... Bxd4 { [%eval -0.2] [%clk 0:09:43] } 9. Be3 { [%eval -0.36] [%clk 0:08:43] } 9... e5?! { [%eval 0.43] } { Inaccuracy. Bb6 was best. } { [%clk 0:05:12] } 10. O-O-O { [%eval 0.4] [%clk 0:06:30] } 10... Nab6 { [%eval 0.5] [%clk 0:03:31] } 11. c3?! { [%eval -0.12] } { Inaccuracy. Bxd4 was best. } { [%clk 0:05:35] } 11... Bxe3+ { [%eval -0.13] [%clk 0:03:31] } 12. Nxe3 { [%eval -0.19] [%clk 0:05:39] } 12... Qe6?! { [%eval 0.37] } { Inaccuracy. Qe7 was best. } { [%clk 0:03:10] } 13. Nd5?! { [%eval -0.21] } { Inaccuracy. c4 was best. } { [%clk 0:00:48] } 13... O-O { [%eval -0.34] [%clk 0:02:03] } 14. Kc2?! { [%eval -0.95] } { Inaccuracy. Nxc7 was best. } { [%clk 0:00:18] } 14... Nxd5 { [%eval -0.65] [%clk 0:01:32] } 15. Rxd5? { [%eval -2.22] } { Mistake. Qxd5 was best. } { [%clk 0:00:20] } 15... e4? { [%eval -0.91] } { Mistake. b6 was best. } { [%clk 0:00:48] } 16. Rgd1?? { [%eval -3.28] } { Blunder. Rd2 was best. } { [%clk 0:00:08] } 16... Nb6?? { [%eval -0.34] } { Blunder. b6 was best. } { [%clk 0:00:46] } 17. Re5 { [%eval -0.32] [%clk 0:00:08] } 17... Qxg4 { [%eval -0.14] [%clk 0:00:41] } 18. Rxe4 { [%eval -0.14] [%clk 0:00:09] } 18... Qh3 { [%eval -0.24] [%clk 0:00:25] } 19. Qe5? { [%eval -1.65] } { Mistake. Qg5 was best. } { [%clk 0:00:06] } 19... Rbe8?? { [%eval 0.2] } { Blunder. Rbd8 was best. } { [%clk 0:00:17] } 20. Qxe8?? { [%eval -2.54] } { Blunder. Qxc7 was best. } { [%clk 0:00:10] } 20... Rxe8 { [%eval -2.6] [%clk 0:00:21] } 21. Rxe8+ { [%eval -2.73] [%clk 0:00:14] } 21... Kg7 { [%eval -2.62] [%clk 0:00:25] } 22. Bxb7 { [%eval -2.48] [%clk 0:00:14] } 22... Qxh2 { [%eval -2.71] [%clk 0:00:23] } 23. Re2 { [%eval -2.72] [%clk 0:00:17] } 23... Qf4 { [%eval -2.76] [%clk 0:00:21] } 24. Rd4 { [%eval -2.56] [%clk 0:00:14] } 24... Qf5+ { [%eval -2.28] [%clk 0:00:22] } 25. Be4 { [%eval -2.33] [%clk 0:00:18] } 25... Qf6 { [%eval -2.42] [%clk 0:00:23] } 26. f3 { [%eval -2.35] [%clk 0:00:08] } 26... h5 { [%eval -2.4] [%clk 0:00:26] } 27. Bb7 { [%eval -2.98] } 27... c5 { [%eval -2.74] [%clk 0:00:22] } 28. Rde4 { [%eval -3.27] [%clk 0:00:00] } 0-1