Event: Round 7: Costa, Leonardo - Zilka, Stepan
Date: 2025-04-03
White: Costa, Leonardo
WhiteTitle: IM
WhiteElo: 2510
Black: Zilka, Stepan
BlackTitle: GM
BlackElo: 2515
Result: 0-1
ECO: C54
Opening: Italian Game: Classical Variation, Giuoco Pianissimo, with a6
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... e5 { [%eval 0.21] [%clk 1:30:52] } 2. Nf3 { [%eval 0.13] [%clk 1:31:24] } 2... Nc6 { [%eval 0.21] [%clk 1:31:16] } 3. Bc4 { [%eval 0.12] [%clk 1:31:51] } 3... Bc5 { [%eval 0.2] [%clk 1:31:35] } 4. c3 { [%eval 0.09] [%clk 1:32:17] } 4... Nf6 { [%eval 0.13] [%clk 1:31:59] } 5. d3 { [%eval 0.11] [%clk 1:32:43] } 5... a6 { [%eval 0.22] [%clk 1:32:18] } 6. O-O { [%eval 0.18] [%clk 1:33:08] } 6... Ba7 { [%eval 0.16] [%clk 1:32:36] } 7. Re1 { [%eval 0.19] [%clk 1:33:19] } 7... d6 { [%eval 0.18] [%clk 1:32:52] } 8. a4 { [%eval 0.22] [%clk 1:33:45] } 8... h6 { [%eval 0.17] [%clk 1:32:16] } 9. Nbd2 { [%eval 0.19] [%clk 1:34:07] } 9... O-O { [%eval 0.23] [%clk 1:32:38] } 10. h3 { [%eval 0.15] [%clk 1:34:34] } 10... Re8 { [%eval 0.13] [%clk 1:31:37] } 11. b4 { [%eval 0.18] [%clk 1:34:59] } 11... Be6 { [%eval 0.14] [%clk 1:32:00] } 12. Bxe6 { [%eval 0.18] [%clk 1:35:25] } 12... Rxe6 { [%eval 0.15] [%clk 1:32:25] } 13. Qc2 { [%eval 0.17] [%clk 1:35:50] } 13... Ne7 { [%eval 0.28] [%clk 1:28:33] } 14. Nf1 { [%eval 0.18] [%clk 1:35:18] } 14... c6 { [%eval 0.23] [%clk 1:21:55] } 15. c4 { [%eval 0.31] [%clk 1:25:15] } 15... Ng6 { [%eval 0.26] [%clk 1:20:20] } 16. Ng3 { [%eval 0.47] [%clk 1:25:22] } 16... d5 { [%eval 0.35] [%clk 1:20:05] } 17. Bb2 { [%eval 0.12] [%clk 1:03:06] } 17... d4 { [%eval 0.38] [%clk 1:19:57] } 18. c5 { [%eval 0.24] [%clk 1:00:20] } 18... a5 { [%eval 0.14] [%clk 1:16:53] } 19. Ba3 { [%eval 0.17] [%clk 1:00:48] } 19... axb4 { [%eval 0.18] [%clk 1:16:28] } 20. Bxb4 { [%eval 0.36] [%clk 1:01:15] } 20... Nd7 { [%eval 0.32] [%clk 1:15:01] } 21. Rec1 { [%eval 0.01] [%clk 0:56:18] } 21... Nf4 { [%eval 0.0] [%clk 1:12:36] } 22. Ne2 { [%eval 0.0] [%clk 0:56:19] } 22... Nxe2+ { [%eval 0.0] [%clk 1:09:01] } 23. Qxe2 { [%eval 0.02] [%clk 0:56:46] } 23... Qe7 { [%eval 0.15] [%clk 1:07:59] } 24. Qc2 { [%eval 0.13] [%clk 0:56:10] } 24... Rf8 { [%eval 0.34] [%clk 1:04:14] } 25. Rab1 { [%eval 0.32] [%clk 0:54:11] } 25... f5 { [%eval 0.38] [%clk 1:01:40] } 26. Ba3?! { [%eval -0.18] } { Inaccuracy. Nd2 was best. } { [%clk 0:35:57] } 26... fxe4 { [%eval -0.29] [%clk 0:46:29] } 27. dxe4 { [%eval -0.35] [%clk 0:36:24] } 27... Rb8?! { [%eval 0.53] } { Inaccuracy. Rxf3 was best. } { [%clk 0:44:30] } 28. Rb3 { [%eval 0.5] [%clk 0:33:49] } 28... Kh7 { [%eval 0.55] [%clk 0:41:44] } 29. Ne1 { [%eval 0.3] [%clk 0:31:30] } 29... Rg6 { [%eval 0.32] [%clk 0:41:25] } 30. Nd3?! { [%eval -0.39] } { Inaccuracy. a5 was best. } { [%clk 0:31:10] } 30... Qg5 { [%eval -0.06] [%clk 0:34:01] } 31. g3? { [%eval -1.61] } { Mistake. Ne1 was best. } { [%clk 0:27:14] } 31... Qh4 { [%eval -1.51] [%clk 0:30:06] } 32. Rcb1? { [%eval -3.51] } { Mistake. Kg2 was best. } { [%clk 0:22:40] } 32... Qxh3 { [%eval -3.27] [%clk 0:18:46] } 33. Qd1?! { [%eval -4.4] } { Inaccuracy. Ne1 was best. } { [%clk 0:03:05] } 33... Rf8 { [%eval -4.3] [%clk 0:18:53] } 34. R1b2?! { [%eval -6.08] } { Inaccuracy. Nb2 was best. } { [%clk 0:02:22] } 34... Rg5 { [%eval -5.92] [%clk 0:17:30] } 35. Rxb7?? { [%eval #-5] } { Checkmate is now unavoidable. Ne1 was best. } { [%clk 0:00:56] } 35... Rxf2 { [%eval #-4] [%clk 0:16:05] } 36. Kxf2 { [%clk 0:01:21] } 36... Qxg3+ { [%clk 0:16:16] } 37. Ke2 { [%clk 0:01:37] } 37... Qe3+ { [%clk 0:16:39] } 0-1