Event: Ronda 1: Donoso Simonetti, Alvaro Matias - Gonzalez Zamora, Juan Carlos
Date: 2025-04-14
White: Donoso Simonetti, Alvaro Matias
WhiteElo: 1963
Black: Gonzalez Zamora, Juan Carlos
BlackTitle: GM
BlackElo: 2480
Result: 1-0
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:30] } 1... c5 { [%eval 0.25] [%clk 1:19:03] } 2. Nf3 { [%eval 0.2] [%clk 1:31:22] } 2... Nc6 { [%eval 0.25] [%clk 1:18:19] } 3. Bb5 { [%eval 0.28] [%clk 1:31:43] } 3... g6 { [%eval 0.24] [%clk 1:18:33] } 4. Bxc6 { [%eval 0.27] [%clk 1:32:05] } 4... dxc6 { [%eval 0.5] [%clk 1:18:53] } 5. d3 { [%eval 0.4] [%clk 1:32:09] } 5... Qc7 { [%eval 0.28] [%clk 1:18:44] } 6. O-O { [%eval 0.2] [%clk 1:31:53] } 6... Bg7 { [%eval 0.46] [%clk 1:17:58] } 7. Re1 { [%eval 0.35] [%clk 1:31:34] } 7... e5 { [%eval 0.31] [%clk 1:17:51] } 8. a3 { [%eval 0.31] [%clk 1:31:44] } 8... Nh6 { [%eval 0.72] [%clk 1:14:11] } 9. b4 { [%eval 0.59] [%clk 1:31:26] } 9... cxb4 { [%eval 0.52] [%clk 1:14:14] } 10. axb4 { [%eval 0.63] [%clk 1:31:28] } 10... O-O { [%eval 0.57] [%clk 1:14:36] } 11. Bb2 { [%eval 0.37] [%clk 1:29:20] } 11... f6 { [%eval 0.34] [%clk 1:13:55] } 12. Nbd2 { [%eval 0.32] [%clk 1:29:11] } 12... Nf7 { [%eval 0.35] [%clk 1:14:16] } 13. Ra3 { [%eval 0.2] [%clk 1:08:12] } 13... Rd8 { [%eval 0.19] [%clk 1:07:26] } 14. Qa1 { [%eval 0.21] [%clk 1:07:51] } 14... a6 { [%eval 0.61] [%clk 1:07:33] } 15. d4 { [%eval 0.75] [%clk 0:53:54] } 15... Be6 { [%eval 0.74] [%clk 1:02:01] } 16. c4 { [%eval 0.76] [%clk 0:49:09] } 16... exd4 { [%eval 1.06] [%clk 0:53:20] } 17. Nxd4 { [%eval 1.11] [%clk 0:47:17] } 17... Qe7 { [%eval 1.51] [%clk 0:52:57] } 18. b5?! { [%eval 0.43] } { Inaccuracy. c5 was best. } { [%clk 0:38:25] } 18... c5 { [%eval 0.48] [%clk 0:48:51] } 19. Nxe6 { [%eval 0.0] [%clk 0:32:55] } 19... Qxe6 { [%eval -0.02] [%clk 0:49:11] } 20. Nb3 { [%eval -0.37] [%clk 0:33:05] } 20... b6? { [%eval 0.85] } { Mistake. Qxc4 was best. } { [%clk 0:45:04] } 21. bxa6?! { [%eval 0.0] } { Inaccuracy. Rxa6 was best. } { [%clk 0:31:44] } 21... Qxc4 { [%eval 0.0] [%clk 0:43:43] } 22. a7 { [%eval 0.0] [%clk 0:30:47] } 22... Qe6 { [%eval 0.0] [%clk 0:43:18] } 23. Qa2?! { [%eval -0.6] } { Inaccuracy. Nc1 was best. } { [%clk 0:29:49] } 23... Rd7 { [%eval -0.5] [%clk 0:38:50] } 24. f3? { [%eval -1.84] } { Mistake. h4 was best. } { [%clk 0:28:30] } 24... Qe7?! { [%eval -1.23] } { Inaccuracy. Bf8 was best. } { [%clk 0:33:17] } 25. Ra1? { [%eval -2.57] } { Mistake. Nc1 was best. } { [%clk 0:25:11] } 25... c4 { [%eval -2.78] [%clk 0:24:59] } 26. Nd4 { [%eval -2.5] [%clk 0:25:32] } 26... Qc5 { [%eval -2.37] [%clk 0:25:24] } 27. Kh1 { [%eval -2.6] [%clk 0:22:02] } 27... Rxd4 { [%eval -2.64] [%clk 0:25:09] } 28. Bxd4 { [%eval -2.72] [%clk 0:22:25] } 28... Qxd4 { [%eval -2.82] [%clk 0:25:35] } 29. Qb1 { [%eval -2.43] [%clk 0:12:22] } 29... Ne5?? { [%eval -0.38] } { Blunder. Bf8 was best. } { [%clk 0:23:15] } 30. Ra6 { [%eval -0.46] [%clk 0:09:09] } 30... f5?? { [%eval 3.06] } { Blunder. Nc6 was best. } { [%clk 0:06:08] } 31. Rxb6 { [%eval 3.36] [%clk 0:05:31] } 31... Nd3 { [%eval 3.75] [%clk 0:03:11] } 32. Rb8+ { [%eval 3.71] [%clk 0:04:42] } 32... Bf8 { [%eval 3.97] [%clk 0:03:40] } 33. h3 { [%eval 4.26] [%clk 0:03:03] } 33... Nf2+ { [%eval 4.32] [%clk 0:01:14] } 34. Kh2 { [%eval 4.39] [%clk 0:02:28] } 34... Qd6+ { [%eval 4.4] [%clk 0:01:09] } 35. g3 { [%eval 4.36] [%clk 0:01:42] } 35... Qd2?! { [%eval 6.4] } { Inaccuracy. Nd1 was best. } { [%clk 0:01:34] } 36. Ra2 { [%eval 6.37] [%clk 0:02:00] } 36... Ng4+ { [%eval 6.16] [%clk 0:01:48] } 37. Kh1 { [%eval 6.5] [%clk 0:02:00] } 37... Qe3 { [%eval 7.6] [%clk 0:01:09] } 38. Rxa8 { [%eval 7.44] [%clk 0:02:03] } 38... Qxf3+ { [%eval 7.19] [%clk 0:01:27] } 39. Rg2 { [%eval 7.39] [%clk 0:02:31] } 39... Ne3 { [%eval 8.69] [%clk 0:00:56] } 40. Re8?? { [%eval #-1] } { Checkmate is now unavoidable. Rxf8+ was best. } { [%clk 0:02:51] } 1-0