Event: 25th Open Bavarian Championship
Site: chess24.com
Date: 2022-11-11
White: Demchenko, Anton
WhiteTitle: GM
WhiteElo: 2643
Black: Costa, Leonardo
BlackTitle: FM
BlackElo: 2341
Result: 1-0
ECO: C50
Opening: Italian Game: Giuoco Pianissimo, Italian Four Knights Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... e5 { [%eval 0.12] [%clk 1:26:59] } 2. Nf3 { [%eval 0.29] [%clk 1:31:17] } 2... Nc6 { [%eval 0.32] [%clk 1:27:25] } 3. Bc4 { [%eval 0.21] [%clk 1:31:34] } 3... Bc5 { [%eval 0.2] [%clk 1:27:50] } 4. d3 { [%eval 0.11] [%clk 1:31:59] } 4... Nf6 { [%eval 0.09] [%clk 1:28:16] } 5. Nc3 { [%eval 0.11] [%clk 1:30:43] } 5... d6 { [%eval 0.11] [%clk 1:25:45] } 6. Na4 { [%eval 0.2] [%clk 1:31:06] } 6... O-O { [%eval 0.69] [%clk 1:20:35] } 7. a3 { [%eval 0.17] [%clk 1:27:38] } 7... a6 { [%eval 0.54] [%clk 1:07:15] } 8. Nxc5 { [%eval 0.31] [%clk 1:27:09] } 8... dxc5 { [%eval 0.46] [%clk 1:07:42] } 9. h3 { [%eval 0.44] [%clk 1:26:03] } 9... Qe7 { [%eval 0.45] [%clk 1:06:33] } 10. Be3 { [%eval 0.36] [%clk 1:24:41] } 10... b6 { [%eval 0.37] [%clk 0:59:07] } 11. O-O { [%eval 0.35] [%clk 1:22:10] } 11... Be6 { [%eval 0.41] [%clk 0:57:44] } 12. Nd2 { [%eval 0.26] [%clk 0:55:50] } 12... Rfd8 { [%eval 0.74] [%clk 0:49:53] } 13. Bxe6 { [%eval 0.71] [%clk 0:48:36] } 13... Qxe6 { [%eval 0.89] [%clk 0:50:20] } 14. f4 { [%eval 0.75] [%clk 0:48:43] } 14... exf4 { [%eval 0.64] [%clk 0:50:02] } 15. Bxf4 { [%eval 0.56] [%clk 0:49:07] } 15... Rd7 { [%eval 0.66] [%clk 0:50:29] } 16. Qe1 { [%eval 0.47] [%clk 0:42:10] } 16... Nd4 { [%eval 0.55] [%clk 0:43:46] } 17. Rc1 { [%eval 0.56] [%clk 0:42:29] } 17... Rf8 { [%eval 0.98] [%clk 0:34:59] } 18. b4 { [%eval 0.98] [%clk 0:35:44] } 18... cxb4 { [%eval 0.94] [%clk 0:22:14] } 19. axb4 { [%eval 1.23] [%clk 0:36:07] } 19... a5 { [%eval 1.14] [%clk 0:21:48] } 20. bxa5 { [%eval 1.05] [%clk 0:34:48] } 20... bxa5 { [%eval 0.99] [%clk 0:22:14] } 21. Be3 { [%eval 0.89] [%clk 0:26:43] } 21... Ra8 { [%eval 1.04] [%clk 0:17:56] } 22. Qf2 { [%eval 0.88] [%clk 0:23:30] } 22... c5 { [%eval 1.26] [%clk 0:17:03] } 23. Bxd4 { [%eval 1.44] [%clk 0:23:12] } 23... cxd4 { [%eval 1.07] [%clk 0:17:03] } 24. Nf3 { [%eval 1.02] [%clk 0:23:27] } 24... Qb6?! { [%eval 1.86] } { Inaccuracy. a4 was best. } { [%clk 0:14:47] } 25. c3?! { [%eval 1.05] } { Inaccuracy. c4 was best. } { [%clk 0:21:13] } 25... Qa6?! { [%eval 1.82] } { Inaccuracy. a4 was best. } { [%clk 0:14:13] } 26. cxd4 { [%eval 1.91] [%clk 0:20:39] } 26... a4 { [%eval 1.7] [%clk 0:12:06] } 27. Ne5 { [%eval 1.68] [%clk 0:20:29] } 27... Re7?! { [%eval 2.67] } { Inaccuracy. Rb7 was best. } { [%clk 0:11:47] } 28. Nc6 { [%eval 2.85] [%clk 0:12:28] } 28... Rd7? { [%eval 4.72] } { Mistake. Rb7 was best. } { [%clk 0:10:22] } 29. Qg3 { [%eval 4.48] [%clk 0:11:56] } 29... Ne8 { [%eval 4.71] [%clk 0:09:52] } 30. Nb8 { [%eval 4.56] [%clk 0:11:12] } 30... Qd6?! { [%eval 6.23] } { Inaccuracy. Qa7 was best. } { [%clk 0:10:19] } 31. Rc8 { [%eval 6.55] [%clk 0:09:00] } 31... Qxd4+ { [%eval 6.63] [%clk 0:10:43] } 32. Kh2 { [%eval 6.05] [%clk 0:07:57] } 32... Rd8 { [%eval 6.35] [%clk 0:10:31] } 33. Nc6 { [%eval 6.08] [%clk 0:06:51] } 1-0