Event: Round 5: Casas Mejia, Santiago - Mejia Herrera, Ruben Alexander
Date: 2025-02-23
White: Casas Mejia, Santiago
WhiteElo: 1541
Black: Mejia Herrera, Ruben Alexander
BlackElo: 1739
Result: 0-1
ECO: A57
Opening: Benko Gambit Accepted: Modern Variation
Variant: Standard
TimeControl: 15+10

1. d4 { [%eval 0.17] [%clk 0:15:19] } 1... Nf6 { [%eval 0.19] [%clk 0:15:16] } 2. c4 { [%eval 0.18] [%clk 0:15:02] } 2... c5 { [%eval 0.56] [%clk 0:15:07] } 3. d5 { [%eval 0.47] [%clk 0:15:10] } 3... b5 { [%eval 0.53] [%clk 0:15:14] } 4. cxb5 { [%eval 0.47] [%clk 0:15:16] } 4... a6 { [%eval 0.6] [%clk 0:15:22] } 5. e3 { [%eval 0.42] [%clk 0:15:20] } 5... axb5 { [%eval 0.58] [%clk 0:15:22] } 6. Bxb5 { [%eval 0.5] [%clk 0:15:28] } 6... Bb7 { [%eval 0.56] [%clk 0:14:44] } 7. Nc3 { [%eval 0.5] [%clk 0:15:35] } 7... Qa5 { [%eval 0.43] [%clk 0:14:06] } 8. Bc4 { [%eval 0.02] [%clk 0:15:14] } 8... g6?! { [%eval 1.12] } { Inaccuracy. e6 was best. } { [%clk 0:13:51] } 9. Nf3 { [%eval 0.96] [%clk 0:15:05] } 9... Bg7 { [%eval 1.09] [%clk 0:13:48] } 10. O-O { [%eval 1.13] [%clk 0:14:41] } 10... O-O { [%eval 1.07] [%clk 0:13:51] } 11. a3 { [%eval 0.72] [%clk 0:09:33] } 11... d6 { [%eval 0.91] [%clk 0:13:36] } 12. Bd2 { [%eval 0.85] [%clk 0:09:35] } 12... Qb6?! { [%eval 1.48] } { Inaccuracy. Ba6 was best. } { [%clk 0:13:21] } 13. Rb1?! { [%eval 0.77] } { Inaccuracy. a4 was best. } { [%clk 0:09:34] } 13... Ba6 { [%eval 0.74] [%clk 0:09:28] } 14. Bxa6 { [%eval 0.44] [%clk 0:09:20] } 14... Qxa6 { [%eval 0.54] [%clk 0:09:02] } 15. h3 { [%eval 0.32] [%clk 0:08:53] } 15... Nbd7 { [%eval 0.43] [%clk 0:09:01] } 16. e4 { [%eval 0.34] [%clk 0:05:34] } 16... Rfb8 { [%eval 0.64] [%clk 0:08:55] } 17. Re1 { [%eval 0.36] [%clk 0:05:30] } 17... Rb7 { [%eval 0.8] [%clk 0:08:15] } 18. e5?! { [%eval -0.02] } { Inaccuracy. a4 was best. } { [%clk 0:05:19] } 18... dxe5 { [%eval -0.04] [%clk 0:08:10] } 19. Nxe5 { [%eval -0.06] [%clk 0:05:25] } 19... Nxe5 { [%eval -0.04] [%clk 0:08:09] } 20. Rxe5 { [%eval -0.06] [%clk 0:05:22] } 20... Rab8?! { [%eval 0.58] } { Inaccuracy. Qd6 was best. } { [%clk 0:07:36] } 21. Qc2 { [%eval 0.23] [%clk 0:05:15] } 21... Qd6 { [%eval 0.19] [%clk 0:07:01] } 22. Bf4 { [%eval 0.14] [%clk 0:04:15] } 22... Nh5 { [%eval 0.34] [%clk 0:06:03] } 23. Bh2?? { [%eval -5.49] } { Blunder. Ne4 was best. } { [%clk 0:04:04] } 23... Bxe5 { [%eval -5.28] [%clk 0:05:57] } 24. Bxe5 { [%eval -5.38] [%clk 0:03:59] } 24... Qxe5 { [%eval -5.29] [%clk 0:06:02] } 25. Qd2 { [%eval -5.43] [%clk 0:02:27] } 25... Nf6 { [%eval -5.22] [%clk 0:05:45] } 26. Re1 { [%eval -6.27] [%clk 0:02:12] } 26... Qd6 { [%eval -5.41] [%clk 0:05:12] } 27. Rb1 { [%eval -5.36] [%clk 0:02:01] } 27... e6 { [%eval -5.53] [%clk 0:04:43] } 28. a4 { [%eval -5.33] [%clk 0:01:21] } 28... exd5 { [%eval -5.39] [%clk 0:04:36] } 29. Nb5 { [%eval -5.93] [%clk 0:01:26] } 29... Qc6 { [%eval -5.16] [%clk 0:03:29] } 30. Rc1 { [%eval -5.66] [%clk 0:00:48] } 30... Rxb5 { [%eval -5.65] [%clk 0:02:35] } 31. axb5 { [%eval -5.49] [%clk 0:00:48] } 31... Qxb5 { [%eval -5.72] [%clk 0:02:42] } 32. Qf4 { [%eval -5.14] [%clk 0:00:51] } 32... Ne4?! { [%eval -3.81] } { Inaccuracy. Qxb2 was best. } { [%clk 0:02:11] } 33. f3 { [%eval -3.73] [%clk 0:00:51] } 33... g5 { [%eval -2.98] [%clk 0:00:37] } 34. Qe5? { [%eval -5.05] } { Mistake. Qe3 was best. } { [%clk 0:00:39] } 34... Qxb2 { [%eval -4.11] [%clk 0:00:29] } 35. Qxb2 { [%eval -4.06] [%clk 0:00:47] } 35... Rxb2 { [%eval -3.87] [%clk 0:00:37] } 36. fxe4 { [%eval -3.71] [%clk 0:00:57] } 36... dxe4 { [%eval -3.46] [%clk 0:00:39] } 37. Rxc5 { [%eval -3.35] [%clk 0:01:06] } 37... h6 { [%eval -3.32] [%clk 0:00:37] } 38. Re5 { [%eval -3.04] [%clk 0:01:07] } 38... Rb4 { [%eval -2.93] [%clk 0:00:45] } 39. Kf2?! { [%eval -3.86] } { Inaccuracy. g4 was best. } { [%clk 0:01:14] } 39... f6 { [%eval -3.88] [%clk 0:00:52] } 40. Rf5 { [%eval -4.31] [%clk 0:01:11] } 40... Kf7 { [%eval -4.3] [%clk 0:00:47] } 41. Ke3 { [%eval -4.82] [%clk 0:01:20] } 41... Ke6 { [%eval -4.61] [%clk 0:00:53] } 42. Rc5 { [%eval -5.26] [%clk 0:01:29] } 42... f5 { [%eval -5.17] [%clk 0:00:53] } 43. Rc6+ { [%eval -5.17] [%clk 0:01:38] } 43... Ke5 { [%eval -4.79] [%clk 0:01:00] } 44. Rxh6?? { [%eval #-15] } { Checkmate is now unavoidable. Rc5+ was best. } { [%clk 0:01:45] } 44... f4+?? { [%eval -5.54] } { Lost forced checkmate sequence. Rb2 was best. } { [%clk 0:01:06] } 45. Ke2 { [%eval -5.31] [%clk 0:01:51] } 45... Rb2+ { [%eval -5.26] [%clk 0:01:10] } 46. Kf1 { [%eval -5.08] [%clk 0:02:00] } 46... Kd4 { [%clk 0:00:49] } 47. Rg6 { [%clk 0:01:52] } 47... Rb5 { [%clk 0:00:57] } 48. Rd6+ { [%clk 0:01:58] } 48... Ke3 { [%clk 0:01:05] } 49. Rh6 { [%clk 0:01:59] } 49... Rb1# { [%clk 0:01:14] } 0-1