Event: Round 1: Kogan, Arthur - Stivelberg Pereira, Leandro
Date: 2025-04-29
White: Kogan, Arthur
WhiteTitle: GM
WhiteElo: 2484
Black: Stivelberg Pereira, Leandro
BlackElo: 2023
Result: 1-0
ECO: B13
Opening: Caro-Kann Defense: Panov Attack, Modern Defense, Carlsbad Line
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:33] } 1... c6 { [%eval 0.23] [%clk 1:27:25] } 2. e4 { [%eval 0.1] [%clk 1:29:19] } 2... d5 { [%eval 0.0] [%clk 1:26:31] } 3. exd5 { [%eval 0.04] [%clk 1:29:39] } 3... cxd5 { [%eval 0.14] [%clk 1:26:56] } 4. d4 { [%eval 0.12] [%clk 1:29:52] } 4... Nf6 { [%eval 0.07] [%clk 1:25:05] } 5. Nc3 { [%eval 0.09] [%clk 1:29:41] } 5... Nc6 { [%eval 0.1] [%clk 1:17:07] } 6. Bg5 { [%eval 0.0] [%clk 1:28:57] } 6... e6 { [%eval 0.08] [%clk 1:16:04] } 7. Nf3 { [%eval 0.0] [%clk 1:28:50] } 7... Be7 { [%eval 0.0] [%clk 1:15:17] } 8. c5 { [%eval 0.05] [%clk 1:26:39] } 8... Ne4 { [%eval 0.05] [%clk 1:04:53] } 9. Bxe7 { [%eval 0.01] [%clk 1:13:48] } 9... Qxe7 { [%eval 0.01] [%clk 1:04:05] } 10. Qc2 { [%eval 0.0] [%clk 1:14:05] } 10... Nxc3 { [%eval 0.02] [%clk 0:48:38] } 11. Qxc3 { [%eval 0.01] [%clk 1:13:46] } 11... O-O { [%eval 0.29] [%clk 0:48:42] } 12. Bb5 { [%eval 0.0] [%clk 1:13:04] } 12... e5 { [%eval -0.01] [%clk 0:43:36] } 13. dxe5 { [%eval 0.0] [%clk 1:13:08] } 13... Bg4 { [%eval -0.01] [%clk 0:43:42] } 14. Bxc6 { [%eval -0.16] [%clk 1:07:06] } 14... bxc6 { [%eval 0.09] [%clk 0:35:30] } 15. O-O-O?! { [%eval -0.62] } { Inaccuracy. Nd4 was best. } { [%clk 0:49:07] } 15... Rab8 { [%eval -0.56] [%clk 0:33:01] } 16. Kb1 { [%eval -0.59] [%clk 0:47:06] } 16... Bxf3 { [%eval -0.6] [%clk 0:26:30] } 17. gxf3 { [%eval -0.53] [%clk 0:47:16] } 17... Rb5 { [%eval -0.73] [%clk 0:26:51] } 18. Rc1 { [%eval -0.89] [%clk 0:47:39] } 18... Rfb8 { [%eval -0.94] [%clk 0:26:02] } 19. b3?! { [%eval -1.97] } { Inaccuracy. Rc2 was best. } { [%clk 0:46:35] } 19... a5 { [%eval -1.83] [%clk 0:25:50] } 20. Ka1 { [%eval -1.75] [%clk 0:46:53] } 20... Qh4?! { [%eval -0.86] } { Inaccuracy. Rb4 was best. } { [%clk 0:16:20] } 21. Rhg1 { [%eval -0.89] [%clk 0:43:32] } 21... Qxf2?! { [%eval 0.0] } { Inaccuracy. g6 was best. } { [%clk 0:14:59] } 22. e6 { [%eval 0.0] [%clk 0:42:30] } 22... g6 { [%eval 0.0] [%clk 0:08:55] } 23. Qf6 { [%eval 0.0] [%clk 0:36:34] } 23... fxe6 { [%eval 0.0] [%clk 0:07:53] } 24. Qxe6+ { [%eval 0.0] [%clk 0:34:45] } 24... Kg7 { [%eval 0.0] [%clk 0:08:15] } 25. Qe5+ { [%eval 0.0] [%clk 0:34:27] } 25... Kg8 { [%eval 0.0] [%clk 0:08:07] } 26. Rg4 { [%eval 0.0] [%clk 0:32:32] } 26... Qxf3?? { [%eval 3.41] } { Blunder. Rf8 was best. } { [%clk 0:07:48] } 27. Rf4 { [%eval 3.48] [%clk 0:31:35] } 27... Qh3 { [%eval 3.61] [%clk 0:07:58] } 28. Rcf1 { [%eval 3.38] [%clk 0:27:22] } 28... Rxb3? { [%eval 6.77] } { Mistake. d4 was best. } { [%clk 0:04:34] } 29. axb3 { [%eval 6.33] [%clk 0:26:43] } 29... Qxb3 { [%eval 6.2] [%clk 0:04:58] } 30. Qe6+ { [%eval 6.18] [%clk 0:26:06] } 30... Kg7?? { [%eval #3] } { Checkmate is now unavoidable. Kh8 was best. } { [%clk 0:05:20] } 31. Qe7+ { [%eval #2] [%clk 0:26:16] } 31... Kg8 { [%eval #2] [%clk 0:05:36] } 32. Rf8+ { [%eval #1] [%clk 0:26:32] } 1-0