Event: Round 4: Sanchez, Luis Alejandro - Acosta Neira, Jaime
Date: 2025-03-30
White: Sanchez, Luis Alejandro
Black: Acosta Neira, Jaime
BlackElo: 1529
Result: 1-0
ECO: A01
Opening: Nimzo-Larsen Attack: Modern Variation
Variant: Standard
TimeControl: 15+10

1. b3 { [%eval 0.0] [%clk 0:15:18] } 1... e5 { [%eval 0.09] [%clk 0:15:25] } 2. Bb2 { [%eval 0.0] [%clk 0:15:26] } 2... f6 { [%eval 0.34] [%clk 0:15:34] } 3. d3?! { [%eval -0.3] } { Inaccuracy. e4 was best. } { [%clk 0:15:26] } 3... Nc6 { [%eval -0.03] [%clk 0:15:41] } 4. Nf3 { [%eval -0.17] [%clk 0:15:35] } 4... d5 { [%eval -0.18] [%clk 0:15:45] } 5. e3 { [%eval -0.13] [%clk 0:15:39] } 5... Bg4 { [%eval 0.18] [%clk 0:15:41] } 6. Be2 { [%eval -0.08] [%clk 0:15:46] } 6... Bd6 { [%eval 0.39] [%clk 0:15:39] } 7. O-O { [%eval 0.42] [%clk 0:15:50] } 7... e4? { [%eval 1.74] } { Mistake. Nce7 was best. } { [%clk 0:15:09] } 8. Nh4?? { [%eval 0.0] } { Blunder. dxe4 was best. } { [%clk 0:15:28] } 8... Bxe2?! { [%eval 0.73] } { Inaccuracy. f5 was best. } { [%clk 0:15:16] } 9. Qxe2 { [%eval 0.62] [%clk 0:15:36] } 9... Nge7? { [%eval 2.03] } { Mistake. exd3 was best. } { [%clk 0:15:06] } 10. f4?? { [%eval -0.36] } { Blunder. dxe4 was best. } { [%clk 0:15:20] } 10... exf3 { [%eval 0.03] [%clk 0:15:10] } 11. Qxf3 { [%eval -0.27] [%clk 0:15:04] } 11... Bc5? { [%eval 0.89] } { Mistake. Qd7 was best. } { [%clk 0:15:05] } 12. a3?! { [%eval 0.18] } { Inaccuracy. d4 was best. } { [%clk 0:15:01] } 12... Qd7 { [%eval 0.17] [%clk 0:14:54] } 13. Nd2 { [%eval 0.12] [%clk 0:14:41] } 13... O-O-O { [%eval 0.04] [%clk 0:15:02] } 14. d4 { [%eval 0.03] [%clk 0:14:49] } 14... Bd6 { [%eval 0.25] [%clk 0:15:04] } 15. c4 { [%eval 0.28] [%clk 0:14:55] } 15... Ng6?! { [%eval 1.27] } { Inaccuracy. g5 was best. } { [%clk 0:14:59] } 16. Nf5 { [%eval 1.24] [%clk 0:15:00] } 16... dxc4 { [%eval 1.24] [%clk 0:14:59] } 17. bxc4 { [%eval 1.3] [%clk 0:14:53] } 17... Rhg8 { [%eval 1.86] [%clk 0:14:26] } 18. c5? { [%eval 0.7] } { Mistake. Rab1 was best. } { [%clk 0:14:58] } 18... Be7? { [%eval 2.01] } { Mistake. Bxc5 was best. } { [%clk 0:14:33] } 19. Rab1?! { [%eval 0.98] } { Inaccuracy. Nb3 was best. } { [%clk 0:15:00] } 19... Qd5?? { [%eval 3.82] } { Blunder. Bxc5 was best. } { [%clk 0:14:41] } 20. e4 { [%eval 3.63] [%clk 0:15:00] } 20... Qa2 { [%eval 4.46] [%clk 0:14:33] } 21. Bc3?! { [%eval 3.3] } { Inaccuracy. Qc3 was best. } { [%clk 0:14:39] } 21... Qxa3? { [%eval 5.56] } { Mistake. Bxc5 was best. } { [%clk 0:14:19] } 22. Rb3 { [%eval 4.92] [%clk 0:14:42] } 22... Qa2 { [%eval 4.93] [%clk 0:13:41] } 23. Ra1 { [%eval 5.02] [%clk 0:14:47] } 23... Qxa1+ { [%eval 5.14] [%clk 0:13:34] } 24. Bxa1 { [%eval 5.0] [%clk 0:14:54] } 24... Bxc5 { [%eval 5.01] [%clk 0:13:31] } 25. Rd3?! { [%eval 3.46] } { Inaccuracy. Rb1 was best. } { [%clk 0:14:04] } 25... Bb6?! { [%eval 5.24] } { Inaccuracy. Nge5 was best. } { [%clk 0:13:23] } 26. Nc4 { [%eval 5.11] [%clk 0:14:12] } 26... Nb4 { [%eval 5.47] [%clk 0:13:03] } 27. Nxb6+ { [%eval 5.44] [%clk 0:14:18] } 27... axb6 { [%eval 5.51] [%clk 0:13:12] } 28. Rd1 { [%eval 5.49] [%clk 0:14:20] } 28... Nc2 { [%eval 6.83] [%clk 0:13:00] } 29. h4 { [%eval 5.9] [%clk 0:14:21] } 29... Nxa1 { [%eval 7.18] [%clk 0:13:07] } 30. Rxa1 { [%eval 6.96] [%clk 0:14:30] } 30... Kd7?! { [%eval 10.94] } { Inaccuracy. Nxh4 was best. } { [%clk 0:12:36] } 31. h5 { [%eval 7.19] [%clk 0:14:32] } 31... Ne7 { [%eval 7.02] [%clk 0:12:42] } 32. d5 { [%eval 6.58] [%clk 0:14:37] } 32... Nxf5?? { [%eval #22] } { Checkmate is now unavoidable. c6 was best. } { [%clk 0:12:35] } 33. Qxf5+ { [%eval 8.37] [%clk 0:14:44] } 33... Ke7 { [%eval 8.22] [%clk 0:12:45] } 34. Rc1 { [%eval 7.95] [%clk 0:14:42] } 34... Rd7? { [%eval #6] } { Checkmate is now unavoidable. c5 was best. } { [%clk 0:12:41] } 35. Qxh7? { [%eval 7.47] } { Lost forced checkmate sequence. Qe6+ was best. } { [%clk 0:14:49] } 35... Kf7 { [%eval 9.92] [%clk 0:12:48] } 36. Qg6+ { [%eval 7.85] [%clk 0:14:52] } 36... Ke7 { [%eval 10.55] [%clk 0:12:56] } 37. h6 { [%eval 10.7] [%clk 0:14:57] } 37... Kf8?! { [%eval #10] } { Checkmate is now unavoidable. c6 was best. } { [%clk 0:12:42] } 38. h7 { [%eval #9] [%clk 0:15:03] } 38... Rh8 { [%eval #11] [%clk 0:12:50] } 39. e5 { [%eval 15.6] [%clk 0:15:00] } 39... c6?! { [%eval #6] } { Checkmate is now unavoidable. f5 was best. } { [%clk 0:11:01] } 40. e6 { [%eval #8] [%clk 0:14:58] } 40... Rxd5 { [%clk 0:10:50] } 41. Qf7# { [%clk 0:15:04] } 1-0