Event: Round 5: Bustos Acosta, Isauro - Arenas, David
Date: 2024-05-30
White: Bustos Acosta, Isauro
WhiteElo: 1856
Black: Arenas, David
BlackTitle: GM
BlackElo: 2349
Result: 0-1
ECO: A05
Opening: King's Indian Attack: Symmetrical Defense
Variant: Standard

1. Nf3 { [%eval 0.14] [%clk 0:04:01] } 1... Nf6 { [%eval 0.24] [%clk 0:04:04] } 2. g3 { [%eval 0.1] [%clk 0:04:00] } 2... g6 { [%eval 0.17] [%clk 0:04:05] } 3. Bg2 { [%eval 0.13] [%clk 0:04:00] } 3... Bg7 { [%eval 0.15] [%clk 0:04:07] } 4. O-O { [%eval 0.24] [%clk 0:04:00] } 4... O-O { [%eval 0.26] [%clk 0:04:08] } 5. d3 { [%eval -0.11] [%clk 0:04:00] } 5... c5 { [%eval 0.0] [%clk 0:04:07] } 6. e4 { [%eval -0.2] [%clk 0:03:58] } 6... d6 { [%eval -0.07] [%clk 0:04:08] } 7. Nbd2 { [%eval -0.13] [%clk 0:03:57] } 7... Nc6 { [%eval -0.12] [%clk 0:04:09] } 8. Re1 { [%eval -0.28] [%clk 0:03:57] } 8... Rb8 { [%eval -0.23] [%clk 0:04:10] } 9. Nf1 { [%eval -0.42] [%clk 0:03:51] } 9... Bg4 { [%eval -0.02] [%clk 0:04:06] } 10. h3 { [%eval -0.01] [%clk 0:03:49] } 10... Bxf3 { [%eval 0.0] [%clk 0:04:07] } 11. Bxf3 { [%eval -0.04] [%clk 0:03:47] } 11... b5 { [%eval -0.13] [%clk 0:04:08] } 12. a3 { [%eval -0.12] [%clk 0:03:42] } 12... a5 { [%eval 0.0] [%clk 0:04:09] } 13. Bg2 { [%eval -0.15] [%clk 0:03:38] } 13... b4 { [%eval -0.2] [%clk 0:04:07] } 14. f4 { [%eval -0.35] [%clk 0:03:33] } 14... Nd7 { [%eval -0.43] [%clk 0:04:08] } 15. Ne3 { [%eval -0.4] [%clk 0:03:25] } 15... Nd4 { [%eval 0.0] [%clk 0:03:44] } 16. Nc4?! { [%eval -1.07] } { Inaccuracy. Bd2 was best. } { [%clk 0:03:18] } 16... b3 { [%eval -1.08] [%clk 0:03:39] } 17. cxb3 { [%eval -1.04] [%clk 0:03:07] } 17... Nxb3 { [%eval -1.06] [%clk 0:03:36] } 18. Rb1 { [%eval -1.17] [%clk 0:03:00] } 18... a4 { [%eval -1.1] [%clk 0:03:37] } 19. Qe2 { [%eval -1.62] [%clk 0:02:44] } 19... Nb6 { [%eval -1.53] [%clk 0:03:32] } 20. Ne3 { [%eval -1.53] [%clk 0:02:35] } 20... Na8 { [%eval -1.38] [%clk 0:03:16] } 21. Nc4 { [%eval -1.51] [%clk 0:02:25] } 21... Nc7 { [%eval -1.12] [%clk 0:02:33] } 22. Be3 { [%eval -1.16] [%clk 0:02:20] } 22... Ne6 { [%eval -1.22] [%clk 0:02:31] } 23. Kh2 { [%eval -1.48] [%clk 0:02:04] } 23... Ned4 { [%eval -1.2] [%clk 0:02:29] } 24. Qf2 { [%eval -1.36] [%clk 0:01:59] } 24... e6 { [%eval -1.4] [%clk 0:02:24] } 25. g4 { [%eval -1.96] [%clk 0:01:49] } 25... d5 { [%eval -2.14] [%clk 0:02:08] } 26. Ne5 { [%eval -2.52] [%clk 0:01:41] } 26... Qd6?! { [%eval -1.73] } { Inaccuracy. f6 was best. } { [%clk 0:01:45] } 27. Nf3?! { [%eval -2.42] } { Inaccuracy. g5 was best. } { [%clk 0:01:29] } 27... Nxf3+ { [%eval -2.3] [%clk 0:01:44] } 28. Bxf3 { [%eval -2.8] [%clk 0:01:20] } 28... Bd4? { [%eval -1.37] } { Mistake. d4 was best. } { [%clk 0:01:38] } 29. e5?! { [%eval -2.03] } { Inaccuracy. exd5 was best. } { [%clk 0:01:18] } 29... Qe7?! { [%eval -1.35] } { Inaccuracy. Qa6 was best. } { [%clk 0:00:54] } 30. Bd1 { [%eval -1.42] [%clk 0:01:11] } 30... Bxe3 { [%eval -1.54] [%clk 0:00:48] } 31. Rxe3 { [%eval -1.37] [%clk 0:01:07] } 31... Rfc8 { [%eval -1.29] [%clk 0:00:43] } 32. Rg3 { [%eval -1.51] [%clk 0:01:06] } 32... c4 { [%eval -1.41] [%clk 0:00:40] } 33. f5?! { [%eval -2.37] } { Inaccuracy. dxc4 was best. } { [%clk 0:01:05] } 33... Nc5 { [%eval -1.96] [%clk 0:00:33] } 34. f6 { [%eval -2.2] [%clk 0:00:57] } 34... Qf8 { [%eval -1.74] [%clk 0:00:31] } 35. Be2?! { [%eval -3.03] } { Inaccuracy. Bc2 was best. } { [%clk 0:00:56] } 35... Rb3 { [%eval -2.7] [%clk 0:00:28] } 36. Qd4 { [%eval -2.82] [%clk 0:00:54] } 36... cxd3 { [%eval -2.78] [%clk 0:00:14] } 37. Bxd3?! { [%eval -4.25] } { Inaccuracy. Bd1 was best. } { [%clk 0:00:50] } 37... Rcb8?? { [%eval -0.16] } { Blunder. Nxd3 was best. } { [%clk 0:00:14] } 38. Bc2 { [%eval -0.18] [%clk 0:00:34] } 38... R3b5 { [%eval -0.2] [%clk 0:00:13] } 39. h4 { [%eval -0.28] [%clk 0:00:31] } 39... Qh6 { [%eval -0.08] [%clk 0:00:14] } 40. h5? { [%eval -1.56] } { Mistake. g5 was best. } { [%clk 0:00:24] } 40... Qg5 { [%eval -1.63] [%clk 0:00:15] } 41. Rbg1?! { [%eval -2.4] } { Inaccuracy. Rf1 was best. } { [%clk 0:00:19] } 41... Nd7 { [%eval -2.25] [%clk 0:00:11] } 42. Bxa4?! { [%eval -3.19] } { Inaccuracy. Qe3 was best. } { [%clk 0:00:19] } 42... Rxb2+ { [%eval -3.11] [%clk 0:00:12] } 43. R1g2 { [%eval -3.14] [%clk 0:00:20] } 43... Rxg2+ { [%eval -3.01] [%clk 0:00:13] } 44. Rxg2?? { [%eval -6.46] } { Blunder. Kxg2 was best. } { [%clk 0:00:21] } 44... Nxe5?! { [%eval -4.16] } { Inaccuracy. Qh4+ was best. } { [%clk 0:00:13] } 45. hxg6?? { [%eval #-3] } { Checkmate is now unavoidable. Kh3 was best. } { [%clk 0:00:20] } 45... hxg6?? { [%eval -3.98] } { Lost forced checkmate sequence. Qh4+ was best. } { [%clk 0:00:14] } 46. Bd1? { [%eval -6.85] } { Mistake. Kg3 was best. } { [%clk 0:00:19] } 46... Rb1 { [%clk 0:00:13] } 47. Be2 { [%clk 0:00:15] } 47... Qh4# { [%clk 0:00:13] } 0-1