Event: Round 1: Marsel Efroimski - Olga Karavaeva
Date: 2023-07-06
White: Marsel Efroimski
Black: Olga Karavaeva
Result: 1/2-1/2
ECO: B40
Opening: Sicilian Defense: Four Knights Variation, Exchange Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:58] } 1... c5 { [%eval 0.32] [%clk 1:30:52] } 2. Nf3 { [%eval 0.0] [%clk 1:31:25] } 2... e6 { [%eval 0.34] [%clk 1:31:11] } 3. d4 { [%eval 0.42] [%clk 1:31:51] } 3... cxd4 { [%eval 0.37] [%clk 1:31:36] } 4. Nxd4 { [%eval 0.4] [%clk 1:32:19] } 4... Nf6 { [%eval 0.4] [%clk 1:31:41] } 5. Nc3 { [%eval 0.45] [%clk 1:32:44] } 5... Nc6 { [%eval 0.43] [%clk 1:31:56] } 6. Nxc6 { [%eval 0.35] [%clk 1:33:10] } 6... bxc6 { [%eval 0.29] [%clk 1:32:18] } 7. e5 { [%eval 0.32] [%clk 1:33:37] } 7... Nd5 { [%eval 0.48] [%clk 1:32:36] } 8. Ne4 { [%eval 0.41] [%clk 1:34:03] } 8... Qa5+ { [%eval 0.66] [%clk 1:32:30] } 9. Bd2 { [%eval 0.66] [%clk 1:34:29] } 9... Qb6 { [%eval 0.74] [%clk 1:30:28] } 10. Bd3 { [%eval 0.75] [%clk 1:30:40] } 10... Be7 { [%eval 1.03] [%clk 1:26:49] } 11. O-O { [%eval 1.04] [%clk 1:21:26] } 11... f5?! { [%eval 1.69] } { Inaccuracy. Qd4 was best. } { [%clk 1:16:45] } 12. Ng3?? { [%eval -0.25] } { Blunder. exf6 was best. } { [%clk 1:12:53] } 12... Qxb2 { [%eval -0.28] [%clk 1:09:28] } 13. c4 { [%eval -0.34] [%clk 1:07:13] } 13... Nb6?! { [%eval 0.3] } { Inaccuracy. Ba6 was best. } { [%clk 1:03:51] } 14. Qe2?! { [%eval -0.48] } { Inaccuracy. Rb1 was best. } { [%clk 1:03:44] } 14... O-O? { [%eval 0.67] } { Mistake. Qd4 was best. } { [%clk 0:59:20] } 15. a4 { [%eval 0.65] [%clk 1:01:53] } 15... Ba6 { [%eval 0.5] [%clk 0:56:54] } 16. Rfd1? { [%eval -0.64] } { Mistake. a5 was best. } { [%clk 0:54:46] } 16... Rad8? { [%eval 0.77] } { Mistake. Qd4 was best. } { [%clk 0:50:44] } 17. Nf1? { [%eval -0.43] } { Mistake. a5 was best. } { [%clk 0:40:45] } 17... Qd4 { [%eval -0.49] [%clk 0:39:39] } 18. a5? { [%eval -1.78] } { Mistake. Rac1 was best. } { [%clk 0:39:16] } 18... Bxc4 { [%eval -2.0] [%clk 0:34:47] } 19. axb6 { [%eval -1.97] [%clk 0:32:11] } 19... Bxd3 { [%eval -1.97] [%clk 0:34:09] } 20. Qe1? { [%eval -3.36] } { Mistake. Qe3 was best. } { [%clk 0:30:00] } 20... Bxf1?? { [%eval -0.49] } { Blunder. axb6 was best. } { [%clk 0:32:49] } 21. bxa7?? { [%eval -2.95] } { Blunder. Qxf1 was best. } { [%clk 0:24:46] } 21... Bxg2?! { [%eval -2.05] } { Inaccuracy. Bd3 was best. } { [%clk 0:30:36] } 22. Kxg2 { [%eval -1.91] [%clk 0:24:19] } 22... Qg4+ { [%eval -2.08] [%clk 0:30:21] } 23. Kf1 { [%eval -1.75] [%clk 0:20:32] } 23... Qh3+ { [%eval -2.1] [%clk 0:30:05] } 24. Kg1 { [%eval -1.91] [%clk 0:20:57] } 24... Qg4+ { [%eval -2.01] [%clk 0:28:48] } 25. Kf1 { [%eval -2.08] [%clk 0:21:23] } 25... f4 { [%eval -1.74] [%clk 0:26:53] } 26. Qe4 { [%eval -2.05] [%clk 0:18:17] } 26... Qh3+? { [%eval -0.67] } { Mistake. Bc5 was best. } { [%clk 0:25:54] } 27. Ke2 { [%eval -0.86] [%clk 0:12:03] } 27... Qh5+ { [%eval -1.08] [%clk 0:21:27] } 28. Kd3? { [%eval -2.34] } { Mistake. f3 was best. } { [%clk 0:08:30] } 28... d5?! { [%eval -1.37] } { Inaccuracy. Bc5 was best. } { [%clk 0:20:34] } 29. exd6 { [%eval -1.58] [%clk 0:07:34] } 29... Rxd6+ { [%eval -1.42] [%clk 0:20:22] } 30. Kc2 { [%eval -1.17] [%clk 0:07:36] } 30... Qc5+ { [%eval -0.62] [%clk 0:19:43] } 31. Kb3 { [%eval -0.29] [%clk 0:04:19] } 31... Qb5+ { [%eval 0.0] [%clk 0:14:59] } 32. Kc2?! { [%eval -0.63] } { Inaccuracy. Bb4 was best. } { [%clk 0:03:40] } 32... Qc5+ { [%eval -0.36] [%clk 0:10:44] } 33. Kb3 { [%eval -0.15] [%clk 0:04:05] } 33... Qb5+ { [%eval 0.0] [%clk 0:08:00] } 1/2-1/2