Event: DEM U16w 2025
Site: Willingen GER
Date: 2025-06-14
White: Kopylov, Diana
WhiteElo: 1890
Black: Boronina, Kseniia
BlackElo: 1691
Result: 1-0
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard
Termination: normal

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:58] } 2. Nf3 { [%eval 0.2] [%clk 1:31:19] } 2... Nc6 { [%eval 0.25] [%clk 1:31:25] } 3. d4 { [%eval 0.27] [%clk 1:31:40] } 3... cxd4 { [%eval 0.27] [%clk 1:31:52] } 4. Nxd4 { [%eval 0.21] [%clk 1:32:05] } 4... Nf6 { [%eval 0.19] [%clk 1:32:19] } 5. Nc3 { [%eval 0.26] [%clk 1:32:26] } 5... e6 { [%eval 0.35] [%clk 1:32:46] } 6. Ndb5 { [%eval 0.25] [%clk 1:31:31] } 6... Bb4 { [%eval 0.28] [%clk 1:32:54] } 7. a3 { [%eval 0.23] [%clk 1:27:43] } 7... Bxc3+ { [%eval 0.29] [%clk 1:33:16] } 8. Nxc3 { [%eval 0.22] [%clk 1:28:06] } 8... d5 { [%eval 0.24] [%clk 1:33:41] } 9. exd5 { [%eval 0.23] [%clk 1:24:31] } 9... exd5 { [%eval 0.27] [%clk 1:34:10] } 10. Bd3 { [%eval 0.3] [%clk 1:21:42] } 10... Bg4 { [%eval 0.25] [%clk 1:31:47] } 11. f3 { [%eval 0.3] [%clk 1:20:05] } 11... Be6 { [%eval 0.41] [%clk 1:30:53] } 12. O-O { [%eval 0.42] [%clk 1:15:50] } 12... O-O { [%eval 0.54] [%clk 1:31:13] } 13. Re1 { [%eval 0.43] [%clk 1:12:37] } 13... a5?! { [%eval 1.29] } { Inaccuracy. d4 was best. } { [%clk 1:20:13] } 14. Kh1?! { [%eval 0.66] } { Inaccuracy. Bg5 was best. } { [%clk 1:07:46] } 14... h6 { [%eval 0.7] [%clk 1:12:33] } 15. b3 { [%eval 0.48] [%clk 1:02:47] } 15... Nd7 { [%eval 0.54] [%clk 1:07:43] } 16. Bb2 { [%eval 0.46] [%clk 1:00:23] } 16... Nc5 { [%eval 0.44] [%clk 1:03:12] } 17. Bb5 { [%eval 0.52] [%clk 0:58:08] } 17... Qb6 { [%eval 0.69] [%clk 0:54:52] } 18. a4 { [%eval 0.7] [%clk 0:55:08] } 18... Rad8 { [%eval 1.06] [%clk 0:52:30] } 19. Ne2 { [%eval 0.95] [%clk 0:49:50] } 19... Na7?? { [%eval 3.77] } { Blunder. Na6 was best. } { [%clk 0:49:00] } 20. Qd4 { [%eval 3.86] [%clk 0:46:58] } 20... f6 { [%eval 3.8] [%clk 0:49:02] } 21. Bd3?? { [%eval 0.98] } { Blunder. Ba3 was best. } { [%clk 0:45:32] } 21... Nc6?! { [%eval 1.75] } { Inaccuracy. Qc7 was best. } { [%clk 0:48:33] } 22. Qf2?! { [%eval 0.9] } { Inaccuracy. Qg1 was best. } { [%clk 0:44:20] } 22... Nd7? { [%eval 2.09] } { Mistake. Bf7 was best. } { [%clk 0:38:50] } 23. Qg3?! { [%eval 1.14] } { Inaccuracy. Qxb6 was best. } { [%clk 0:43:31] } 23... Nde5 { [%eval 1.18] [%clk 0:34:55] } 24. Nf4 { [%eval 0.79] [%clk 0:37:36] } 24... Bf7 { [%eval 0.8] [%clk 0:35:13] } 25. Bf5 { [%eval 0.42] [%clk 0:35:08] } 25... Rfe8 { [%eval 0.41] [%clk 0:30:06] } 26. Re2 { [%eval 0.02] [%clk 0:27:40] } 26... Nd4?? { [%eval 3.35] } { Blunder. Ne7 was best. } { [%clk 0:25:18] } 27. Qf2 { [%eval 3.28] [%clk 0:24:10] } 27... Nec6?! { [%eval 4.83] } { Inaccuracy. Nxe2 was best. } { [%clk 0:21:58] } 28. Ne6?? { [%eval 1.26] } { Blunder. Rxe8+ was best. } { [%clk 0:13:35] } 28... Rd6?? { [%eval 3.62] } { Blunder. Bxe6 was best. } { [%clk 0:18:58] } 29. Rae1 { [%eval 3.64] [%clk 0:09:42] } 29... Bxe6 { [%eval 3.54] [%clk 0:16:06] } 30. Bxe6+ { [%eval 2.54] [%clk 0:08:20] } 30... Kf8 { [%eval 2.52] [%clk 0:13:53] } 31. c3 { [%eval 2.52] [%clk 0:04:47] } 31... Nd8?? { [%eval 6.95] } { Blunder. Nxe2 was best. } { [%clk 0:13:20] } 32. Ba3 { [%eval 6.82] [%clk 0:03:43] } 1-0