Event: II Torneo Internacional de Ajedrez Jose Celso Barbosa
Site: Bayamon, Puerto Rico
Date: 2025-07-26
White: Melendez Padilla, Isabelo
WhiteElo: 1901
Black: Pacheco Calderon, Jarek
BlackElo: 1875
Result: 0-1
ECO: B50
Opening: Sicilian Defense: Delayed Alapin Variation, with d6
Variant: Standard
TimeControl: 90 minutes with 30 second increment from move 1

1. e4 { [%eval 0.18] [%clk 1:24:00] } 1... c5 { [%eval 0.25] [%clk 1:30:56] } 2. Nf3 { [%eval 0.2] [%clk 1:23:13] } 2... d6 { [%eval 0.31] [%clk 1:31:18] } 3. c3 { [%eval 0.0] [%clk 1:22:51] } 3... Nf6 { [%eval 0.07] [%clk 1:31:25] } 4. Bb5+ { [%eval -0.06] [%clk 1:22:51] } 4... Bd7 { [%eval 0.0] [%clk 1:31:05] } 5. Bxd7+ { [%eval 0.0] [%clk 1:23:07] } 5... Qxd7 { [%eval -0.07] [%clk 1:31:08] } 6. d3 { [%eval -0.05] [%clk 1:22:21] } 6... g6 { [%eval 0.12] [%clk 1:29:47] } 7. O-O { [%eval 0.09] [%clk 1:22:11] } 7... Bg7 { [%eval 0.08] [%clk 1:29:24] } 8. e5 { [%eval -0.2] [%clk 1:18:14] } 8... Nd5 { [%eval -0.26] [%clk 1:27:59] } 9. Re1 { [%eval -0.62] [%clk 1:09:08] } 9... O-O { [%eval -0.34] [%clk 1:27:56] } 10. d4 { [%eval -0.5] [%clk 1:08:30] } 10... Nc6 { [%eval -0.24] [%clk 1:26:40] } 11. dxc5? { [%eval -1.43] } { Mistake. e6 was best. } { [%clk 0:54:48] } 11... dxe5 { [%eval -1.39] [%clk 1:24:09] } 12. Na3 { [%eval -1.48] [%clk 0:52:52] } 12... Rfd8 { [%eval -0.99] [%clk 1:19:29] } 13. Bg5? { [%eval -2.29] } { Mistake. h3 was best. } { [%clk 0:51:52] } 13... Rac8?! { [%eval -1.46] } { Inaccuracy. h6 was best. } { [%clk 1:13:18] } 14. Qa4 { [%eval -1.4] [%clk 0:51:32] } 14... Nd4? { [%eval -0.23] } { Mistake. h6 was best. } { [%clk 1:06:48] } 15. Qxd7 { [%eval -0.22] [%clk 0:48:11] } 15... Nxf3+ { [%eval -0.22] [%clk 1:07:10] } 16. gxf3 { [%eval -0.25] [%clk 0:48:38] } 16... Rxd7 { [%eval -0.39] [%clk 1:07:35] } 17. Rad1 { [%eval -0.27] [%clk 0:47:58] } 17... Rxc5 { [%eval -0.22] [%clk 0:54:39] } 18. c4 { [%eval -0.17] [%clk 0:47:05] } 18... Nb6 { [%eval -0.06] [%clk 0:53:46] } 19. Rxd7 { [%eval -0.09] [%clk 0:47:07] } 19... Nxd7 { [%eval -0.09] [%clk 0:54:10] } 20. Bxe7 { [%eval -0.12] [%clk 0:47:29] } 20... Rc8 { [%eval -0.14] [%clk 0:52:32] } 21. b3 { [%eval -0.09] [%clk 0:46:11] } 21... Bf8 { [%eval 0.0] [%clk 0:49:25] } 22. Bxf8 { [%eval 0.0] [%clk 0:46:03] } 22... Kxf8 { [%eval 0.0] [%clk 0:49:48] } 23. Nb5 { [%eval -0.08] [%clk 0:45:19] } 23... a6 { [%eval 0.0] [%clk 0:44:40] } 24. Nd6 { [%eval 0.0] [%clk 0:45:35] } 24... Rc7 { [%eval 0.0] [%clk 0:44:55] } 25. b4? { [%eval -1.13] } { Mistake. f4 was best. } { [%clk 0:44:39] } 25... b6 { [%eval -1.17] [%clk 0:44:34] } 26. f4 { [%eval -1.11] [%clk 0:39:38] } 26... f6?! { [%eval -0.12] } { Inaccuracy. exf4 was best. } { [%clk 0:41:13] } 27. fxe5 { [%eval -0.17] [%clk 0:31:37] } 27... Nxe5 { [%eval -0.3] [%clk 0:41:31] } 28. Rc1? { [%eval -1.46] } { Mistake. Re4 was best. } { [%clk 0:20:03] } 28... Nd3 { [%eval -1.49] [%clk 0:31:48] } 29. Rb1 { [%eval -1.62] [%clk 0:20:07] } 29... Rc6?! { [%eval -0.65] } { Inaccuracy. Ke7 was best. } { [%clk 0:31:28] } 30. Ne4?! { [%eval -1.39] } { Inaccuracy. c5 was best. } { [%clk 0:19:07] } 30... Rxc4 { [%eval -1.41] [%clk 0:30:44] } 31. Nxf6 { [%eval -1.46] [%clk 0:17:50] } 31... Rd4?! { [%eval -0.38] } { Inaccuracy. Rxb4 was best. } { [%clk 0:23:33] } 32. f3?! { [%eval -1.29] } { Inaccuracy. Rd1 was best. } { [%clk 0:15:31] } 32... Rxb4?! { [%eval -0.56] } { Inaccuracy. Kg7 was best. } { [%clk 0:18:24] } 33. Rd1 { [%eval -0.64] [%clk 0:09:53] } 33... Ne5 { [%eval -0.62] [%clk 0:12:12] } 34. Nxh7+ { [%eval -0.71] [%clk 0:09:54] } 34... Kg7?! { [%eval -0.04] } { Inaccuracy. Ke7 was best. } { [%clk 0:12:12] } 35. Ng5 { [%eval -0.05] [%clk 0:10:16] } 35... Kh6 { [%eval -0.19] [%clk 0:12:08] } 36. Rd5 { [%eval -0.25] [%clk 0:07:57] } 36... Kxg5 { [%eval -0.06] [%clk 0:10:02] } 37. Rxe5+ { [%eval -0.17] [%clk 0:07:04] } 37... Kf4 { [%eval 0.0] [%clk 0:10:13] } 38. Re6 { [%eval 0.0] [%clk 0:06:32] } 38... g5 { [%eval -0.05] [%clk 0:10:08] } 39. Rf6+ { [%eval 0.0] [%clk 0:06:53] } 39... Ke3 { [%eval 0.0] [%clk 0:10:26] } 40. a3 { [%eval 0.0] [%clk 0:06:24] } 40... Rb2 { [%eval 0.0] [%clk 0:09:32] } 41. a4 { [%eval 0.0] [%clk 0:06:11] } 41... a5 { [%eval -0.21] [%clk 0:09:32] } 42. Kf1 { [%eval -0.45] [%clk 0:04:39] } 42... Rb4 { [%eval 0.0] [%clk 0:06:47] } 43. h3?? { [%eval -2.45] } { Blunder. Kg2 was best. } { [%clk 0:04:24] } 43... Kd3?? { [%eval -0.11] } { Blunder. Rxa4 was best. } { [%clk 0:06:31] } 44. Rc6?? { [%eval -4.42] } { Blunder. f4 was best. } { [%clk 0:03:57] } 44... Kd4?? { [%eval -0.05] } { Blunder. Rxa4 was best. } { [%clk 0:06:09] } 45. Rg6?? { [%eval -4.51] } { Blunder. Kf2 was best. } { [%clk 0:03:21] } 45... Kc3 { [%eval -4.53] [%clk 0:06:09] } 46. Rxg5 { [%eval -4.18] [%clk 0:02:54] } 46... Rxa4 { [%eval -4.66] [%clk 0:06:30] } 47. Kg2 { [%eval -5.07] [%clk 0:01:39] } 47... Rb4 { [%eval -5.32] [%clk 0:06:00] } 48. Re5 { [%eval -5.23] [%clk 0:00:47] } 48... a4 { [%eval -5.04] [%clk 0:05:46] } 49. Re3+ { [%eval -4.86] [%clk 0:00:41] } 49... Kc2 { [%eval -4.84] [%clk 0:05:29] } 50. Kg3 { [%eval -4.73] [%clk 0:00:48] } 50... Rb3 { [%eval -4.47] [%clk 0:05:18] } 51. Re2+ { [%eval -4.48] [%clk 0:01:13] } 51... Kb1 { [%eval -4.54] [%clk 0:03:42] } 52. h4 { [%eval -4.93] [%clk 0:01:13] } 52... a3 { [%eval -4.48] [%clk 0:02:55] } 53. h5 { [%eval -5.43] [%clk 0:01:26] } 53... Rc3 { [%eval -5.31] [%clk 0:02:41] } 54. h6 { [%eval -5.43] [%clk 0:01:04] } 54... a2 { [%eval -5.18] [%clk 0:02:09] } 55. Re1+?! { [%eval -8.28] } { Inaccuracy. h7 was best. } { [%clk 0:00:49] } 55... Rc1 { [%eval -8.54] [%clk 0:02:12] } 56. Re3 { [%eval -7.53] [%clk 0:00:03] } 56... b5 { [%eval -9.62] [%clk 0:02:12] } 57. Re5? { [%eval #-19] } { Checkmate is now unavoidable. f4 was best. } { [%clk 0:00:32] } 57... a1=Q { [%eval -13.95] [%clk 0:02:22] } 58. Rxb5+?! { [%eval #-11] } { Checkmate is now unavoidable. Rd5 was best. } { [%clk 0:00:54] } 58... Kc2 { [%eval #-10] [%clk 0:02:38] } 0-1