Event: Ronda 4: Sierra Lopez, Gabriel Jose - Moya Cabrera, Mathias Bernardo
Site: https://lichess.org/broadcast/juegos-estudiantiles-centroamericanos-codicader-u15--rapido-absoluto/ronda-4/rexaoi95/9gjQo14y
Date: 2025-10-04
White: Sierra Lopez, Gabriel Jose
Black: Moya Cabrera, Mathias Bernardo
BlackElo: 1558
Result: 0-1
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Variant: Standard
TimeControl: 20+5

1. e4 { [%eval 0.18] [%clk 0:20:09] } 1... c5 { [%eval 0.24] [%clk 0:20:09] } 2. Nf3 { [%eval 0.2] [%clk 0:20:12] } 2... Nc6 { [%eval 0.3] [%clk 0:20:12] } 3. Bb5 { [%eval 0.17] [%clk 0:20:16] } 3... g6 { [%eval 0.24] [%clk 0:20:15] } 4. d4 { [%eval -0.11] [%clk 0:20:14] } 4... cxd4 { [%eval 0.0] [%clk 0:20:13] } 5. Nxd4 { [%eval -0.06] [%clk 0:20:15] } 5... Bg7 { [%eval -0.08] [%clk 0:20:16] } 6. Be3 { [%eval -0.1] [%clk 0:20:11] } 6... Nf6 { [%eval -0.08] [%clk 0:19:56] } 7. Nc3 { [%eval -0.06] [%clk 0:20:11] } 7... O-O { [%eval -0.09] [%clk 0:19:43] } 8. Qd2?! { [%eval -0.78] } { Inaccuracy. O-O was best. } { [%clk 0:19:58] } 8... Ng4 { [%eval -0.94] [%clk 0:19:44] } 9. Bxc6 { [%eval -1.47] [%clk 0:19:19] } 9... dxc6?! { [%eval -0.87] } { Inaccuracy. Nxe3 was best. } { [%clk 0:19:24] } 10. O-O-O { [%eval -0.79] [%clk 0:19:15] } 10... Nxe3 { [%eval -0.68] [%clk 0:19:09] } 11. Qxe3 { [%eval -0.71] [%clk 0:19:09] } 11... Qc7 { [%eval -0.77] [%clk 0:19:07] } 12. f4?! { [%eval -1.51] } { Inaccuracy. Nb3 was best. } { [%clk 0:18:50] } 12... e5 { [%eval -0.99] [%clk 0:18:06] } 13. fxe5 { [%eval -1.08] [%clk 0:18:43] } 13... Qxe5 { [%eval -0.97] [%clk 0:17:57] } 14. Nf3 { [%eval -1.19] [%clk 0:18:08] } 14... Qa5 { [%eval -1.11] [%clk 0:17:24] } 15. a3 { [%eval -1.18] [%clk 0:17:33] } 15... Re8 { [%eval -1.11] [%clk 0:15:52] } 16. Rhe1 { [%eval -1.14] [%clk 0:17:18] } 16... Bg4 { [%eval -0.74] [%clk 0:15:18] } 17. Kb1?! { [%eval -1.56] } { Inaccuracy. h3 was best. } { [%clk 0:15:14] } 17... b5?! { [%eval -0.91] } { Inaccuracy. Rad8 was best. } { [%clk 0:14:58] } 18. Rd6? { [%eval -2.11] } { Mistake. e5 was best. } { [%clk 0:14:12] } 18... b4?! { [%eval -1.3] } { Inaccuracy. Rab8 was best. } { [%clk 0:12:44] } 19. axb4 { [%eval -1.38] [%clk 0:14:00] } 19... Qxb4 { [%eval -1.27] [%clk 0:12:28] } 20. Rxc6 { [%eval -1.24] [%clk 0:13:47] } 20... Rab8 { [%eval -1.41] [%clk 0:12:22] } 21. b3 { [%eval -1.3] [%clk 0:11:03] } 21... Rec8?! { [%eval -0.39] } { Inaccuracy. Qa3 was best. } { [%clk 0:11:41] } 22. Rxc8+ { [%eval -0.47] [%clk 0:08:36] } 22... Rxc8 { [%eval -0.7] [%clk 0:11:28] } 23. Na2? { [%eval -1.98] } { Mistake. Nd5 was best. } { [%clk 0:06:51] } 23... Qa5 { [%eval -1.87] [%clk 0:10:59] } 24. h3?! { [%eval -3.08] } { Inaccuracy. Re2 was best. } { [%clk 0:05:01] } 24... Rc6?? { [%eval -0.36] } { Blunder. Bxf3 was best. } { [%clk 0:10:21] } 25. b4 { [%eval -0.33] [%clk 0:02:36] } 25... Qa4 { [%eval -0.37] [%clk 0:10:17] } 26. Qb3 { [%eval -0.32] [%clk 0:02:15] } 26... Qxb3+ { [%eval -0.36] [%clk 0:09:54] } 27. cxb3 { [%eval -0.21] [%clk 0:02:18] } 27... Be6 { [%eval -0.28] [%clk 0:09:46] } 28. Nd2 { [%eval -0.74] [%clk 0:02:06] } 28... Rb6 { [%eval -0.37] [%clk 0:09:25] } 29. e5 { [%eval -0.44] [%clk 0:01:48] } 29... Bf8 { [%eval -0.34] [%clk 0:09:20] } 30. Nc4 { [%eval -0.37] [%clk 0:01:13] } 30... Bxc4 { [%eval -0.1] [%clk 0:08:55] } 31. bxc4 { [%eval -0.1] [%clk 0:01:16] } 31... Bxb4 { [%eval -0.15] [%clk 0:08:58] } 32. Nxb4 { [%eval -0.18] [%clk 0:01:19] } 32... Rxb4+ { [%eval -0.16] [%clk 0:09:02] } 33. Kc2 { [%eval -0.12] [%clk 0:01:13] } 33... Rxc4+ { [%eval -0.13] [%clk 0:09:05] } 34. Kd3 { [%eval -0.19] [%clk 0:01:17] } 34... Ra4 { [%eval -0.25] [%clk 0:09:00] } 35. Re4?? { [%eval -6.5] } { Blunder. Rc1 was best. } { [%clk 0:00:53] } 35... Rxe4 { [%eval -7.08] [%clk 0:08:48] } 36. Kxe4 { [%eval -6.93] [%clk 0:00:57] } 36... Kf8 { [%eval -6.59] [%clk 0:08:52] } 37. g4 { [%eval -7.77] [%clk 0:00:40] } 37... Ke7 { [%eval -7.19] [%clk 0:08:55] } 38. Kd4 { [%eval -9.63] [%clk 0:00:38] } 38... Ke6 { [%eval -9.49] [%clk 0:08:58] } 39. h4 { [%eval -9.52] [%clk 0:00:27] } 39... a5 { [%eval -9.37] [%clk 0:09:00] } 40. Kc4 { [%eval -9.45] [%clk 0:00:26] } 40... Kxe5 { [%eval -11.99] [%clk 0:09:03] } 41. Kb5 { [%eval -10.48] [%clk 0:00:24] } 41... Kf4 { [%eval -9.59] [%clk 0:09:07] } 42. Kxa5? { [%eval #-17] } { Checkmate is now unavoidable. h5 was best. } { [%clk 0:00:25] } 42... Kxg4 { [%eval #-16] [%clk 0:09:10] } 43. Kb4 { [%eval #-15] [%clk 0:00:29] } 43... Kxh4 { [%eval #-14] [%clk 0:09:13] } 44. Kc3 { [%eval #-15] [%clk 0:00:34] } 44... f5 { [%eval #-14] [%clk 0:09:16] } 45. Kd2 { [%eval #-14] [%clk 0:00:39] } 45... Kg3 { [%eval #-12] [%clk 0:09:18] } 46. Ke1 { [%eval #-12] [%clk 0:00:43] } 46... Kg2 { [%eval #-13] [%clk 0:09:21] } 47. Ke2 { [%eval #-13] [%clk 0:00:47] } 47... f4 { [%eval #-12] [%clk 0:09:24] } 0-1