Event: Round 4: Andres Carlos Obregon - Federico Perez Ponsa
Date: 2021-12-09
White: Andres Carlos Obregon
Black: Federico Perez Ponsa
Result: 1/2-1/2
ECO: A45
Opening: Trompowsky Attack
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:58] } 1... Nf6 { [%eval 0.32] [%clk 1:30:53] } 2. Bg5 { [%eval 0.0] [%clk 1:31:21] } 2... c5 { [%eval 0.22] [%clk 1:28:09] } 3. d5 { [%eval 0.0] [%clk 1:30:59] } 3... Ne4 { [%eval 0.16] [%clk 1:26:25] } 4. h4 { [%eval 0.0] [%clk 1:31:06] } 4... Qb6 { [%eval 0.0] [%clk 1:23:43] } 5. Nd2 { [%eval 0.0] [%clk 1:29:18] } 5... Nxg5?! { [%eval 0.51] } { Inaccuracy. h6 was best. } { [%clk 1:15:20] } 6. hxg5 { [%eval 0.42] [%clk 1:29:23] } 6... g6?! { [%eval 0.94] } { Inaccuracy. Qxb2 was best. } { [%clk 1:15:36] } 7. e4?! { [%eval 0.0] } { Inaccuracy. Qc1 was best. } { [%clk 1:29:43] } 7... d6?! { [%eval 0.95] } { Inaccuracy. Qxb2 was best. } { [%clk 1:14:54] } 8. Ngf3 { [%eval 0.55] [%clk 1:20:19] } 8... Nd7 { [%eval 0.69] [%clk 1:09:12] } 9. Nc4 { [%eval 0.73] [%clk 1:14:23] } 9... Qc7 { [%eval 0.58] [%clk 1:09:20] } 10. a4 { [%eval 0.37] [%clk 1:14:48] } 10... Bg7 { [%eval 0.53] [%clk 1:07:57] } 11. c3 { [%eval 0.56] [%clk 1:14:58] } 11... b6?! { [%eval 1.09] } { Inaccuracy. Rb8 was best. } { [%clk 1:01:00] } 12. Bd3 { [%eval 1.11] [%clk 1:07:55] } 12... a6 { [%eval 0.98] [%clk 0:58:18] } 13. Qe2 { [%eval 1.08] [%clk 0:59:01] } 13... Bb7 { [%eval 1.24] [%clk 0:57:50] } 14. Nfd2?! { [%eval 0.44] } { Inaccuracy. Ne3 was best. } { [%clk 0:58:21] } 14... h6 { [%eval 0.59] [%clk 0:54:53] } 15. Qe3?! { [%eval 0.03] } { Inaccuracy. gxh6 was best. } { [%clk 0:43:11] } 15... hxg5 { [%eval 0.07] [%clk 0:49:43] } 16. Rxh8+ { [%eval 0.02] [%clk 0:42:34] } 16... Bxh8 { [%eval 0.11] [%clk 0:49:30] } 17. Qxg5 { [%eval 0.08] [%clk 0:42:58] } 17... Bf6 { [%eval -0.04] [%clk 0:35:04] } 18. Qe3?! { [%eval -0.76] } { Inaccuracy. Qh6 was best. } { [%clk 0:33:54] } 18... b5 { [%eval -0.64] [%clk 0:31:44] } 19. axb5 { [%eval -0.74] [%clk 0:33:57] } 19... axb5 { [%eval -0.64] [%clk 0:32:05] } 20. Rxa8+ { [%eval -0.55] [%clk 0:34:21] } 20... Bxa8 { [%eval -0.73] [%clk 0:32:30] } 21. Na3 { [%eval -0.74] [%clk 0:34:37] } 21... b4 { [%eval -0.62] [%clk 0:32:46] } 22. cxb4 { [%eval -0.61] [%clk 0:34:40] } 22... cxb4 { [%eval -0.88] [%clk 0:32:27] } 23. Nac4 { [%eval -0.79] [%clk 0:35:03] } 23... Kf8 { [%eval -0.84] [%clk 0:27:30] } 24. Be2 { [%eval -0.97] [%clk 0:28:46] } 24... Nc5 { [%eval -0.7] [%clk 0:24:47] } 25. f4 { [%eval -0.95] [%clk 0:27:57] } 25... Bg7 { [%eval -0.78] [%clk 0:22:53] } 26. Bf3 { [%eval -0.84] [%clk 0:25:55] } 26... Bb7 { [%eval -0.88] [%clk 0:22:42] } 27. Kf2 { [%eval -1.0] [%clk 0:25:30] } 27... Ba6 { [%eval -1.26] [%clk 0:18:30] } 28. Be2 { [%eval -1.0] [%clk 0:23:42] } 28... Nd7 { [%eval -0.72] [%clk 0:14:39] } 29. g4 { [%eval -0.72] [%clk 0:23:27] } 29... Qc5 { [%eval -0.46] [%clk 0:11:15] } 30. Qxc5 { [%eval -0.02] [%clk 0:23:37] } 30... Nxc5 { [%eval -0.14] [%clk 0:11:40] } 31. Ke3 { [%eval 0.0] [%clk 0:22:34] } 31... Na4 { [%eval 0.09] [%clk 0:10:47] } 32. b3 { [%eval 0.0] [%clk 0:21:48] } 32... Nc5 { [%eval 0.13] [%clk 0:09:29] } 33. g5 { [%eval -0.36] [%clk 0:19:35] } 33... Bc3 { [%eval -0.26] [%clk 0:08:50] } 34. Bd1 { [%eval -0.36] [%clk 0:19:55] } 1/2-1/2