Event: Ronda 5: Pizon, Edwin - Contreras Medina, Ruben Dario
Date: 2025-07-27
White: Pizon, Edwin
WhiteElo: 1817
Black: Contreras Medina, Ruben Dario
BlackTitle: CM
BlackElo: 2124
Result: 0-1
ECO: B22
Opening: Sicilian Defense: Alapin Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 0:15:07] } 1... c5 { [%eval 0.25] [%clk 0:15:09] } 2. c3 { [%eval 0.0] [%clk 0:15:11] } 2... g6 { [%eval 0.28] [%clk 0:15:11] } 3. d4 { [%eval 0.31] [%clk 0:15:15] } 3... cxd4 { [%eval 0.54] [%clk 0:15:15] } 4. cxd4 { [%eval 0.57] [%clk 0:15:19] } 4... d5 { [%eval 0.47] [%clk 0:15:18] } 5. e5 { [%eval 0.46] [%clk 0:15:05] } 5... Bg7 { [%eval 0.55] [%clk 0:15:19] } 6. Nc3 { [%eval 0.5] [%clk 0:15:06] } 6... Nh6 { [%eval 0.96] [%clk 0:15:22] } 7. Be2?! { [%eval 0.36] } { Inaccuracy. Bf4 was best. } { [%clk 0:15:08] } 7... O-O { [%eval 0.61] [%clk 0:15:24] } 8. h4 { [%eval 0.64] [%clk 0:15:03] } 8... f6 { [%eval 0.67] [%clk 0:15:27] } 9. h5?! { [%eval -0.38] } { Inaccuracy. exf6 was best. } { [%clk 0:14:56] } 9... g5 { [%eval -0.35] [%clk 0:15:27] } 10. exf6 { [%eval -0.39] [%clk 0:14:27] } 10... exf6 { [%eval -0.34] [%clk 0:15:30] } 11. Qb3 { [%eval -0.5] [%clk 0:10:59] } 11... Nc6 { [%eval -0.46] [%clk 0:15:02] } 12. Be3?! { [%eval -1.15] } { Inaccuracy. Qxd5+ was best. } { [%clk 0:10:50] } 12... Be6 { [%eval -0.87] [%clk 0:14:04] } 13. Qxb7 { [%eval -0.91] [%clk 0:09:38] } 13... Na5?! { [%eval -0.14] } { Inaccuracy. Rc8 was best. } { [%clk 0:13:33] } 14. Qa6 { [%eval -0.13] [%clk 0:09:24] } 14... Re8 { [%eval -0.18] [%clk 0:13:32] } 15. Nf3 { [%eval -0.17] [%clk 0:08:59] } 15... Rb8?! { [%eval 0.49] } { Inaccuracy. Nf5 was best. } { [%clk 0:12:40] } 16. b3? { [%eval -0.94] } { Mistake. O-O was best. } { [%clk 0:08:14] } 16... Nf5?! { [%eval -0.31] } { Inaccuracy. Bf5 was best. } { [%clk 0:12:39] } 17. Qd3 { [%eval -0.75] [%clk 0:07:51] } 17... Nc6 { [%eval -0.67] [%clk 0:12:20] } 18. O-O { [%eval -0.69] [%clk 0:07:18] } 18... Qd7? { [%eval 0.46] } { Mistake. Nxe3 was best. } { [%clk 0:11:47] } 19. Nh2 { [%eval 0.41] [%clk 0:06:20] } 19... Nb4 { [%eval 0.53] [%clk 0:08:54] } 20. Qd2 { [%eval 0.52] [%clk 0:06:06] } 20... Nxe3 { [%eval 0.53] [%clk 0:08:21] } 21. fxe3 { [%eval 0.57] [%clk 0:06:05] } 21... g4 { [%eval 0.52] [%clk 0:07:13] } 22. Bb5?? { [%eval -2.29] } { Blunder. g3 was best. } { [%clk 0:05:32] } 22... Rxb5 { [%eval -2.28] [%clk 0:07:06] } 23. Nxb5 { [%eval -2.66] [%clk 0:05:34] } 23... Qxb5 { [%eval -2.49] [%clk 0:07:08] } 24. Rac1 { [%eval -3.0] [%clk 0:05:06] } 24... f5?! { [%eval -2.23] } { Inaccuracy. g3 was best. } { [%clk 0:05:37] } 25. Rc5 { [%eval -2.84] [%clk 0:05:00] } 25... Qb6 { [%eval -3.03] [%clk 0:05:07] } 26. Rfc1 { [%eval -2.96] [%clk 0:04:52] } 26... Bf8?? { [%eval 0.0] } { Blunder. f4 was best. } { [%clk 0:05:04] } 27. R5c3?? { [%eval -2.78] } { Blunder. a3 was best. } { [%clk 0:04:22] } 27... Bd7 { [%eval -2.95] [%clk 0:05:01] } 28. Nf1 { [%eval -2.71] [%clk 0:03:52] } 28... Nc6 { [%eval -2.64] [%clk 0:04:21] } 29. Ng3 { [%eval -3.23] [%clk 0:03:31] } 29... Bb4 { [%eval -3.14] [%clk 0:04:16] } 30. Rxc6?? { [%eval -7.92] } { Blunder. Ne2 was best. } { [%clk 0:02:36] } 30... Bxd2 { [%eval -7.62] [%clk 0:04:10] } 31. Rxb6 { [%eval -7.82] [%clk 0:02:39] } 31... Bxc1 { [%eval -7.69] [%clk 0:04:14] } 32. Rb7 { [%eval -7.66] [%clk 0:02:42] } 32... Bxe3+ { [%eval -7.39] [%clk 0:04:18] } 33. Kh2 { [%eval -7.19] [%clk 0:02:34] } 33... Bc8 { [%eval -6.93] [%clk 0:04:20] } 34. Rxa7 { [%eval -8.16] [%clk 0:02:29] } 34... f4 { [%eval -7.45] [%clk 0:04:16] } 35. Ne2 { [%eval -8.85] [%clk 0:02:12] } 35... f3 { [%eval -7.84] [%clk 0:04:19] } 36. gxf3 { [%eval -9.17] [%clk 0:02:04] } 36... gxf3 { [%eval -8.14] [%clk 0:04:22] } 37. Nc3? { [%eval #-6] } { Checkmate is now unavoidable. Ng3 was best. } { [%clk 0:01:59] } 37... Bxd4? { [%eval -9.58] } { Lost forced checkmate sequence. Bf4+ was best. } { [%clk 0:04:24] } 38. Nxd5? { [%eval #-8] } { Checkmate is now unavoidable. Nd1 was best. } { [%clk 0:02:00] } 38... Bxa7 { [%eval #-8] [%clk 0:04:27] } 39. Nf6+ { [%eval #-8] [%clk 0:02:03] } 39... Kf7 { [%eval #-7] [%clk 0:04:31] } 0-1