Event: Open
Site: Warsaw, Poland
Date: 2021-12-29
White: Nguyen, Thai Dai Van
WhiteElo: 2446
Black: Efimenko, Zahar
BlackElo: 2601
Result: 1/2-1/2
ECO: B06
Opening: Modern Defense: Standard Defense
Variant: Standard

1. d4 { [%eval 0.3] [%clk 0:03:02] } 1... d6 { [%eval 0.62] [%clk 0:02:59] } 2. e4 { [%eval 0.4] [%clk 0:03:02] } 2... g6 { [%eval 0.67] [%clk 0:02:59] } 3. Nc3 { [%eval 0.68] [%clk 0:03:03] } 3... Bg7 { [%eval 0.6] [%clk 0:02:58] } 4. Be3 { [%eval 0.29] [%clk 0:03:04] } 4... a6 { [%eval 0.67] [%clk 0:02:57] } 5. Nf3 { [%eval 0.73] [%clk 0:03:02] } 5... Nf6 { [%eval 0.48] [%clk 0:02:54] } 6. Qd2 { [%eval 0.47] [%clk 0:02:59] } 6... b5 { [%eval 0.95] [%clk 0:02:44] } 7. Bd3 { [%eval 0.62] [%clk 0:02:57] } 7... Bb7 { [%eval 0.65] [%clk 0:02:40] } 8. a3 { [%eval 0.35] [%clk 0:02:41] } 8... O-O { [%eval 0.79] [%clk 0:02:35] } 9. Bh6 { [%eval 0.85] [%clk 0:02:27] } 9... Nbd7 { [%eval 0.59] [%clk 0:02:01] } 10. Bxg7 { [%eval 0.38] [%clk 0:02:27] } 10... Kxg7 { [%eval 0.4] [%clk 0:02:02] } 11. O-O-O?! { [%eval -0.13] } { Inaccuracy. h4 was best. } { [%clk 0:02:28] } 11... e5 { [%eval -0.11] [%clk 0:01:56] } 12. dxe5 { [%eval -0.14] [%clk 0:01:36] } 12... dxe5 { [%eval -0.23] [%clk 0:01:56] } 13. h4 { [%eval -0.37] [%clk 0:01:35] } 13... h5 { [%eval -0.3] [%clk 0:01:57] } 14. Ng5 { [%eval -0.35] [%clk 0:01:12] } 14... Qe7 { [%eval -0.23] [%clk 0:01:57] } 15. Kb1 { [%eval -0.57] [%clk 0:01:08] } 15... Rad8 { [%eval -0.71] [%clk 0:01:54] } 16. f3 { [%eval -0.64] [%clk 0:00:54] } 16... b4?! { [%eval 0.27] } { Inaccuracy. c5 was best. } { [%clk 0:01:42] } 17. axb4 { [%eval 0.04] } 17... Qxb4 { [%eval 0.17] [%clk 0:01:42] } 18. Na2 { [%eval 0.36] [%clk 0:00:46] } 18... Qb6 { [%eval 0.16] [%clk 0:01:41] } 19. Qb4 { [%eval -0.09] [%clk 0:00:43] } 19... Nc5? { [%eval 1.19] } { Mistake. Qxb4 was best. } { [%clk 0:01:24] } 20. Bc4 { [%eval 0.74] [%clk 0:00:44] } 20... Qxb4 { [%eval 0.88] [%clk 0:00:59] } 21. Nxb4 { [%eval 1.0] [%clk 0:00:45] } 21... a5? { [%eval 2.16] } { Mistake. Nfd7 was best. } { [%clk 0:01:00] } 22. Na2?? { [%eval 0.19] } { Blunder. Rxd8 was best. } { [%clk 0:00:32] } 22... Rxd1+ { [%eval 0.39] [%clk 0:00:51] } 23. Rxd1 { [%eval 0.42] [%clk 0:00:33] } 23... Ne8 { [%eval 0.34] [%clk 0:00:52] } 24. Nc3 { [%eval 0.4] [%clk 0:00:29] } 24... Nd6 { [%eval 0.24] [%clk 0:00:52] } 25. Bd5?! { [%eval -0.42] } { Inaccuracy. Ba2 was best. } { [%clk 0:00:29] } 25... Ba6?! { [%eval 0.4] } { Inaccuracy. Bc8 was best. } { [%clk 0:00:51] } 26. Ba2 { [%eval 0.42] [%clk 0:00:21] } 26... f6 { [%eval 0.52] [%clk 0:00:47] } 27. Ne6+ { [%eval 0.32] [%clk 0:00:21] } 27... Nxe6 { [%eval 0.48] [%clk 0:00:47] } 28. Bxe6 { [%eval 0.38] [%clk 0:00:22] } 28... Rb8?! { [%eval 1.26] } { Inaccuracy. Rd8 was best. } { [%clk 0:00:44] } 29. b3?! { [%eval 0.49] } { Inaccuracy. Nd5 was best. } { [%clk 0:00:22] } 29... Bb5?! { [%eval 1.09] } { Inaccuracy. Rd8 was best. } { [%clk 0:00:31] } 30. Nd5 { [%eval 0.7] [%clk 0:00:13] } 30... Ne8 { [%eval 1.0] [%clk 0:00:21] } 31. Nc3 { [%eval 0.84] [%clk 0:00:14] } 31... Nd6 { [%eval 0.91] [%clk 0:00:22] } 32. Nd5 { [%eval 1.05] [%clk 0:00:15] } 32... Ne8 { [%eval 1.11] [%clk 0:00:23] } 33. Nc3? { [%eval 0.0] } { Mistake. Ka2 was best. } { [%clk 0:00:10] } 33... Nd6 { [%eval 0.89] [%clk 0:00:24] } 1/2-1/2