Event: 24th Open Bavarian Championship
Site: chess24.com
Date: 2021-11-05
White: Costa, Leonardo
WhiteTitle: FM
WhiteElo: 2336
Black: Koch, Yannick
BlackElo: 2097
Result: 1-0
ECO: B47
Opening: Sicilian Defense: Taimanov Variation, Bastrikov Variation
Variant: Standard

1. e4 { [%eval 0.21] [%clk 1:30:59] } 1... c5 { [%eval 0.32] [%clk 1:30:36] } 2. Nf3 { [%eval 0.0] [%clk 1:31:26] } 2... e6?! { [%eval 0.54] } { Inaccuracy. d6 was best. } { [%clk 1:30:46] } 3. d4 { [%eval 0.42] [%clk 1:31:53] } 3... cxd4 { [%eval 0.55] [%clk 1:31:02] } 4. Nxd4 { [%eval 0.23] [%clk 1:32:19] } 4... Nc6 { [%eval 0.17] [%clk 1:31:14] } 5. Nc3 { [%eval 0.33] [%clk 1:32:46] } 5... Qc7 { [%eval 0.47] [%clk 1:31:20] } 6. g4 { [%eval 0.28] [%clk 1:33:12] } 6... a6 { [%eval 0.49] [%clk 1:23:35] } 7. Be3 { [%eval 0.39] [%clk 1:33:36] } 7... Bb4?! { [%eval 0.93] } { Inaccuracy. b5 was best. } { [%clk 1:14:58] } 8. Nxc6 { [%eval 0.64] [%clk 1:33:03] } 8... Bxc3+ { [%eval 0.4] [%clk 1:11:30] } 9. bxc3 { [%eval 0.71] [%clk 1:33:30] } 9... Qxc6 { [%eval 0.99] [%clk 1:08:45] } 10. Qd4 { [%eval 1.16] [%clk 1:33:54] } 10... f6? { [%eval 2.88] } { Mistake. Nf6 was best. } { [%clk 0:57:58] } 11. Bg2?? { [%eval 0.66] } { Blunder. g5 was best. } { [%clk 1:27:52] } 11... Ne7 { [%eval 1.02] [%clk 0:54:36] } 12. O-O?! { [%eval 0.45] } { Inaccuracy. O-O-O was best. } { [%clk 1:24:16] } 12... e5 { [%eval 0.53] [%clk 0:54:36] } 13. Qd2 { [%eval 0.49] [%clk 1:23:39] } 13... b5 { [%eval 0.74] [%clk 0:50:24] } 14. f4 { [%eval 0.51] [%clk 1:09:46] } 14... Ng6? { [%eval 2.02] } { Mistake. d6 was best. } { [%clk 0:38:36] } 15. f5 { [%eval 1.46] [%clk 1:07:37] } 15... Ne7 { [%eval 1.41] [%clk 0:38:57] } 16. Rad1 { [%eval 0.9] [%clk 1:03:58] } 16... Bb7 { [%eval 1.29] [%clk 0:31:44] } 17. Kh1?! { [%eval 0.34] } { Inaccuracy. c4 was best. } { [%clk 0:56:21] } 17... O-O-O { [%eval 0.6] [%clk 0:23:04] } 18. c4 { [%eval 0.84] [%clk 0:46:09] } 18... Qxc4 { [%eval 0.89] [%clk 0:15:01] } 19. Qd6 { [%eval 1.49] [%clk 0:36:15] } 19... Bxe4?? { [%eval #9] } { Checkmate is now unavoidable. Rhe8 was best. } { [%clk 0:13:09] } 20. Qxa6+ { [%eval #8] [%clk 0:34:55] } 20... Kb8 { [%eval #7] [%clk 0:07:57] } 21. Ba7+ { [%eval #6] [%clk 0:34:55] } 21... Ka8 { [%eval #6] [%clk 0:07:52] } 22. Bd4+ { [%eval #7] [%clk 0:35:32] } 22... Kb8 { [%eval #7] [%clk 0:07:45] } 23. Bxe4?! { [%eval 11.57] } { Lost forced checkmate sequence. Ba7+ was best. } { [%clk 0:34:57] } 23... d5 { [%eval 12.25] [%clk 0:07:42] } 24. Ba7+ { [%eval 14.1] [%clk 0:34:39] } 24... Kc7 { [%eval 11.86] [%clk 0:07:10] } 25. Bb6+ { [%eval 12.35] [%clk 0:34:06] } 25... Kb8 { [%eval 16.01] [%clk 0:04:50] } 26. Bd3 { [%eval 8.3] [%clk 0:34:09] } 26... Qc6 { [%eval 17.75] [%clk 0:02:50] } 27. Qa7+ { [%eval 16.72] [%clk 0:34:18] } 27... Kc8 { [%eval 14.18] [%clk 0:03:10] } 28. Bxb5 { [%eval 16.1] [%clk 0:34:42] } 1-0