Event: anderssen2025
Site: https://lichess.org/broadcast/adolf-anderssen-festival-2025--memoria-board-1-34/round-3/BF7QXOLD/SIJoY367
White: Onopriienko, Serhii
WhiteElo: 1770
Black: Klys, Kacper
BlackTitle: CM
BlackElo: 2172
Result: 0-1
ECO: A50
Opening: Mexican Defense
Variant: Standard
TimeControl: 10+5

1. d4 { [%eval 0.17] [%clk 0:10:09] } 1... Nf6 { [%eval 0.19] [%clk 0:10:04] } 2. c4 { [%eval 0.18] [%clk 0:10:12] } 2... Nc6 { [%eval 0.43] [%clk 0:10:08] } 3. Nc3 { [%eval 0.37] [%clk 0:10:12] } 3... e5 { [%eval 0.75] [%clk 0:10:08] } 4. d5 { [%eval 0.71] [%clk 0:10:12] } 4... Ne7 { [%eval 0.82] [%clk 0:10:12] } 5. e4 { [%eval 0.68] [%clk 0:10:15] } 5... Ng6 { [%eval 0.76] [%clk 0:10:16] } 6. g3?! { [%eval 0.02] } { Inaccuracy. a3 was best. } { [%clk 0:10:05] } 6... Bc5 { [%eval 0.17] [%clk 0:10:15] } 7. Bg2 { [%eval 0.18] [%clk 0:09:21] } 7... d6 { [%eval 0.23] [%clk 0:10:08] } 8. h3 { [%eval 0.11] [%clk 0:09:18] } 8... a5 { [%eval 0.0] [%clk 0:10:11] } 9. Nge2 { [%eval 0.04] [%clk 0:08:57] } 9... Bd7 { [%eval 0.11] [%clk 0:10:08] } 10. b3 { [%eval -0.17] [%clk 0:08:57] } 10... c6?! { [%eval 0.47] } { Inaccuracy. a4 was best. } { [%clk 0:10:02] } 11. O-O { [%eval 0.0] [%clk 0:08:45] } 11... cxd5 { [%eval 0.0] [%clk 0:09:54] } 12. Nxd5 { [%eval 0.0] [%clk 0:08:33] } 12... Nxd5 { [%eval 0.0] [%clk 0:09:52] } 13. cxd5?! { [%eval -0.9] } { Inaccuracy. Qxd5 was best. } { [%clk 0:08:30] } 13... b5 { [%eval -0.55] [%clk 0:09:50] } 14. Kh2 { [%eval -0.73] [%clk 0:08:21] } 14... f5?! { [%eval 0.06] } { Inaccuracy. h5 was best. } { [%clk 0:09:26] } 15. f4 { [%eval 0.01] [%clk 0:07:51] } 15... O-O { [%eval 0.0] [%clk 0:09:14] } 16. fxe5 { [%eval 0.0] [%clk 0:07:37] } 16... Nxe5 { [%eval 0.0] [%clk 0:09:11] } 17. Nf4?! { [%eval -0.61] } { Inaccuracy. exf5 was best. } { [%clk 0:07:07] } 17... Qe7?! { [%eval 0.0] } { Inaccuracy. fxe4 was best. } { [%clk 0:09:01] } 18. exf5 { [%eval 0.0] [%clk 0:06:46] } 18... Bxf5 { [%eval 0.16] [%clk 0:08:55] } 19. Bb2 { [%eval 0.16] [%clk 0:06:44] } 19... Rae8 { [%eval 0.29] [%clk 0:08:52] } 20. Qd2 { [%eval 0.0] [%clk 0:06:15] } 20... b4? { [%eval 1.12] } { Mistake. Be3 was best. } { [%clk 0:08:32] } 21. Rae1?! { [%eval 0.35] } { Inaccuracy. Ne6 was best. } { [%clk 0:06:13] } 21... Qg5 { [%eval 0.47] [%clk 0:08:36] } 22. Re2?! { [%eval -0.1] } { Inaccuracy. Qc1 was best. } { [%clk 0:05:19] } 22... Qh6 { [%eval -0.1] [%clk 0:08:02] } 23. Bxe5 { [%eval -0.08] [%clk 0:04:29] } 23... dxe5 { [%eval 0.0] [%clk 0:07:59] } 24. Rfe1?? { [%eval -5.69] } { Blunder. Ne6 was best. } { [%clk 0:03:58] } 24... exf4 { [%eval -5.57] [%clk 0:07:53] } 25. g4 { [%eval -7.14] [%clk 0:01:53] } 25... Be3 { [%eval -6.92] [%clk 0:07:41] } 26. Qb2 { [%eval -8.94] [%clk 0:01:21] } 26... Bxg4 { [%eval -8.38] [%clk 0:07:42] } 27. Rc2? { [%eval #-10] } { Checkmate is now unavoidable. Rxe3 was best. } { [%clk 0:01:17] } 27... Bf5? { [%eval -8.88] } { Lost forced checkmate sequence. f3 was best. } { [%clk 0:07:39] } 28. Rc7 { [%eval -13.06] [%clk 0:01:18] } 28... f3 { [%eval -9.54] [%clk 0:07:34] } 29. Bf1? { [%eval #-8] } { Checkmate is now unavoidable. Qxg7+ was best. } { [%clk 0:01:03] } 29... Bf4+ { [%eval #-7] [%clk 0:07:32] } 30. Kh1 { [%eval #-5] [%clk 0:01:03] } 30... Rxe1 { [%eval #-4] [%clk 0:07:32] } 0-1