Event: Round 4: Guerra, Alvaro - Ossa, Vladimir
Date: 2024-09-21
White: Guerra, Alvaro
WhiteElo: 1889
Black: Ossa, Vladimir
BlackElo: 1975
Result: 0-1
ECO: A36
Opening: English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:36] } 1... c5 { [%eval 0.18] [%clk 1:30:37] } 2. g3 { [%eval 0.07] [%clk 1:30:28] } 2... Nc6 { [%eval 0.13] [%clk 1:30:59] } 3. Nc3 { [%eval 0.12] [%clk 1:30:30] } 3... d6 { [%eval 0.32] [%clk 1:31:17] } 4. Bg2 { [%eval 0.26] [%clk 1:30:35] } 4... g6 { [%eval 0.27] [%clk 1:29:54] } 5. e4 { [%eval 0.0] [%clk 1:28:26] } 5... Bg7 { [%eval 0.0] [%clk 1:30:15] } 6. Nge2 { [%eval 0.0] [%clk 1:28:27] } 6... h5 { [%eval 0.17] [%clk 1:29:18] } 7. h3 { [%eval 0.0] [%clk 1:27:25] } 7... Bd7 { [%eval 0.35] [%clk 1:29:24] } 8. d3 { [%eval 0.3] [%clk 1:20:38] } 8... Nf6 { [%eval 0.23] [%clk 1:27:13] } 9. Be3 { [%eval 0.26] [%clk 1:19:18] } 9... Qb6 { [%eval 0.69] [%clk 1:27:06] } 10. Qd2 { [%eval 0.59] [%clk 1:18:09] } 10... Rc8 { [%eval 0.76] [%clk 1:25:48] } 11. a3 { [%eval 0.42] [%clk 1:16:28] } 11... Nd4 { [%eval 0.47] [%clk 1:24:09] } 12. Rb1 { [%eval 0.5] [%clk 1:15:05] } 12... Nb3 { [%eval 0.58] [%clk 1:21:42] } 13. Qd1 { [%eval 0.52] [%clk 1:14:16] } 13... a5 { [%eval 0.54] [%clk 1:20:40] } 14. O-O { [%eval 0.33] [%clk 1:10:25] } 14... a4 { [%eval 0.28] [%clk 1:19:06] } 15. Kh1 { [%eval 0.28] [%clk 1:03:21] } 15... h4?! { [%eval 0.86] } { Inaccuracy. O-O was best. } { [%clk 1:16:30] } 16. g4 { [%eval 0.84] [%clk 1:02:38] } 16... Qa6 { [%eval 0.87] [%clk 1:13:40] } 17. f4 { [%eval 0.92] [%clk 1:00:31] } 17... Bc6 { [%eval 0.89] [%clk 1:12:46] } 18. f5 { [%eval 0.9] [%clk 0:59:44] } 18... Nd7 { [%eval 0.85] [%clk 1:12:25] } 19. fxg6 { [%eval 0.9] } 19... fxg6 { [%eval 0.9] [%clk 1:12:29] } 20. Nf4 { [%eval 0.92] [%clk 0:59:01] } 20... Bh6?? { [%eval 2.78] } { Blunder. Ne5 was best. } { [%clk 1:11:00] } 21. g5 { [%eval 2.59] [%clk 0:58:14] } 21... Bxg5 { [%eval 2.63] [%clk 1:09:52] } 22. Qg4 { [%eval 2.62] [%clk 0:58:13] } 22... Bxf4 { [%eval 2.57] [%clk 1:09:21] } 23. Qxg6+?? { [%eval 0.0] } { Blunder. Bxf4 was best. } { [%clk 0:58:24] } 23... Kd8 { [%eval 0.0] [%clk 1:09:46] } 24. Bxf4 { [%eval 0.0] [%clk 0:55:52] } 24... Kc7 { [%eval 0.13] [%clk 1:09:56] } 25. Qe6 { [%eval -0.34] [%clk 0:54:18] } 25... Rce8 { [%eval -0.33] [%clk 1:09:52] } 26. Rbe1 { [%eval -0.79] [%clk 0:44:37] } 26... Nd4 { [%eval -0.66] [%clk 1:10:01] } 27. Qg4?! { [%eval -1.27] } { Inaccuracy. Qf7 was best. } { [%clk 0:44:34] } 27... Reg8 { [%eval -0.79] [%clk 1:08:31] } 28. Qd1 { [%eval -0.77] [%clk 0:44:05] } 28... e6?! { [%eval -0.21] } { Inaccuracy. Kb8 was best. } { [%clk 1:08:14] } 29. Bh2 { [%eval -0.61] [%clk 0:42:46] } 29... Rh7 { [%eval -0.34] [%clk 1:07:46] } 30. Rf2 { [%eval -0.37] [%clk 0:42:53] } 30... Rhg7 { [%eval -0.37] [%clk 1:04:29] } 31. Bf3 { [%eval -0.44] [%clk 0:38:34] } 31... Rf8 { [%eval -0.41] [%clk 1:04:17] } 32. Ref1 { [%eval -0.42] [%clk 0:38:21] } 32... Rgf7 { [%eval -0.51] [%clk 1:04:35] } 33. Kg1?? { [%eval -4.13] } { Blunder. Kg2 was best. } { [%clk 0:37:36] } 33... Qb6 { [%eval -4.07] [%clk 1:03:06] } 34. Nd5+?! { [%eval -5.29] } { Inaccuracy. Bg4 was best. } { [%clk 0:18:19] } 34... exd5 { [%eval -5.15] [%clk 0:59:14] } 35. exd5 { [%eval -5.01] [%clk 0:18:47] } 35... Bb5?! { [%eval -3.76] } { Inaccuracy. Nxf3+ was best. } { [%clk 0:59:30] } 36. cxb5 { [%eval -4.23] [%clk 0:18:06] } 36... c4?? { [%eval -1.8] } { Blunder. Qxb5 was best. } { [%clk 0:59:45] } 37. Kg2? { [%eval -3.76] } { Mistake. Bg4 was best. } { [%clk 0:16:32] } 37... Nf5 { [%eval -3.74] [%clk 0:59:41] } 38. Bf4 { [%eval -3.94] [%clk 0:15:08] } 38... Ne5 { [%eval -3.78] [%clk 0:56:46] } 39. Be4? { [%eval -6.25] } { Mistake. Qxa4 was best. } { [%clk 0:14:46] } 39... Qd4?? { [%eval -0.44] } { Blunder. Ne3+ was best. } { [%clk 0:48:53] } 40. b6+?? { [%eval -4.08] } { Blunder. Qxa4 was best. } { [%clk 0:09:07] } 40... Qxb6?? { [%eval -0.32] } { Blunder. Kxb6 was best. } { [%clk 0:47:24] } 41. Bxf5?? { [%eval -3.76] } { Blunder. Qd2 was best. } { [%clk 0:06:18] } 41... Rxf5 { [%eval -3.39] [%clk 0:47:45] } 42. d4? { [%eval -6.24] } { Mistake. Qxa4 was best. } { [%clk 0:06:38] } 42... Nd3 { [%eval -6.3] [%clk 0:47:19] } 43. Qxa4 { [%eval -7.12] [%clk 0:01:27] } 43... Nxf2 { [%eval -7.85] [%clk 0:47:00] } 44. Qxc4+ { [%eval -8.05] [%clk 0:01:43] } 44... Kb8 { [%eval -7.88] [%clk 0:47:17] } 0-1