Event: Ronda 4: Quiroz Frias, Alvaro - Rodriguez Acosta, Sofia Yunuen
Date: 2025-07-13
White: Quiroz Frias, Alvaro
WhiteElo: 1890
Black: Rodriguez Acosta, Sofia Yunuen
BlackElo: 1526
Result: 1/2-1/2
ECO: D02
Opening: London System: Poisoned Pawn Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 0:24:59] } 1... d5 { [%eval 0.2] [%clk 0:25:08] } 2. Bf4 { [%eval 0.0] [%clk 0:25:02] } 2... Nf6 { [%eval 0.05] [%clk 0:25:09] } 3. e3 { [%eval 0.04] [%clk 0:25:05] } 3... c5 { [%eval 0.0] [%clk 0:25:12] } 4. Nf3 { [%eval 0.02] [%clk 0:25:09] } 4... Qb6 { [%eval 0.09] [%clk 0:25:03] } 5. Nc3 { [%eval 0.06] [%clk 0:25:12] } 5... Qxb2?? { [%eval 3.07] } { Blunder. c4 was best. } { [%clk 0:23:41] } 6. Nb5 { [%eval 2.9] [%clk 0:25:14] } 6... Na6 { [%eval 3.06] [%clk 0:22:36] } 7. a3 { [%eval 2.86] [%clk 0:25:00] } 7... Bf5 { [%eval 2.87] [%clk 0:22:10] } 8. dxc5 { [%eval 3.62] [%clk 0:23:51] } 8... Qxc2 { [%eval 3.5] [%clk 0:21:44] } 9. Qxc2 { [%eval 3.45] [%clk 0:23:54] } 9... Bxc2 { [%eval 3.56] [%clk 0:21:47] } 10. Rc1 { [%eval 3.47] [%clk 0:23:57] } 10... Be4 { [%eval 3.99] [%clk 0:21:28] } 11. Nfd4?? { [%eval 1.83] } { Blunder. c6 was best. } { [%clk 0:23:39] } 11... e6? { [%eval 3.82] } { Mistake. e5 was best. } { [%clk 0:19:21] } 12. Nd6+?! { [%eval 2.44] } { Inaccuracy. c6 was best. } { [%clk 0:23:25] } 12... Bxd6 { [%eval 2.3] [%clk 0:18:53] } 13. Bxd6 { [%eval 2.1] [%clk 0:23:28] } 13... Nb8 { [%eval 2.06] [%clk 0:18:28] } 14. Nb5 { [%eval 2.08] [%clk 0:23:19] } 14... Na6 { [%eval 2.56] [%clk 0:18:10] } 15. c6 { [%eval 2.38] [%clk 0:23:04] } 15... d4?! { [%eval 3.79] } { Inaccuracy. b6 was best. } { [%clk 0:16:35] } 16. cxb7 { [%eval 3.22] [%clk 0:22:12] } 16... Bxb7 { [%eval 2.62] [%clk 0:16:27] } 17. Nc7+ { [%eval 2.64] [%clk 0:20:45] } 17... Nxc7 { [%eval 3.29] [%clk 0:16:14] } 18. Rxc7 { [%eval 3.19] [%clk 0:20:49] } 18... Bc8 { [%eval 2.91] [%clk 0:13:31] } 19. exd4? { [%eval 1.13] } { Mistake. Re7+ was best. } { [%clk 0:18:25] } 19... Bd7 { [%eval 1.07] [%clk 0:09:34] } 20. Be2?! { [%eval 0.49] } { Inaccuracy. Ba6 was best. } { [%clk 0:18:03] } 20... Nd5 { [%eval 0.62] [%clk 0:08:58] } 21. Rc5 { [%eval 0.72] [%clk 0:16:30] } 21... Rc8 { [%eval 0.56] [%clk 0:08:17] } 22. O-O { [%eval 0.36] [%clk 0:16:32] } 22... f6? { [%eval 1.67] } { Mistake. Rxc5 was best. } { [%clk 0:07:09] } 23. Rb1? { [%eval 0.05] } { Mistake. Ra5 was best. } { [%clk 0:15:23] } 23... Nb6?? { [%eval 2.25] } { Blunder. Nc3 was best. } { [%clk 0:05:24] } 24. Ba6 { [%eval 1.99] [%clk 0:14:57] } 24... Rxc5?? { [%eval 5.37] } { Blunder. Rc6 was best. } { [%clk 0:04:27] } 25. dxc5 { [%eval 5.18] [%clk 0:15:00] } 25... Nc8 { [%eval 5.14] [%clk 0:04:23] } 26. Rb7 { [%eval 4.33] [%clk 0:14:51] } 26... Kd8 { [%eval 4.82] [%clk 0:02:05] } 27. h4 { [%eval 4.14] [%clk 0:13:31] } 27... Nxd6 { [%eval 4.48] } 28. cxd6 { [%eval 4.08] [%clk 0:13:34] } 28... Bc8 { [%eval 3.67] [%clk 0:01:18] } 29. Rxa7?? { [%eval 0.2] } { Blunder. Rb8 was best. } { [%clk 0:12:29] } 29... Bxa6 { [%eval 0.21] [%clk 0:01:19] } 30. d7 { [%eval 0.33] [%clk 0:11:37] } 30... Ke7 { [%eval 0.57] [%clk 0:01:11] } 31. Rxa6?! { [%eval 0.0] } { Inaccuracy. d8=R+ was best. } { [%clk 0:11:41] } 31... Rd8 { [%eval 0.0] [%clk 0:01:09] } 32. Ra7 { [%eval 0.1] [%clk 0:11:26] } 32... Rxd7?? { [%eval 5.18] } { Blunder. Kd6 was best. } { [%clk 0:01:06] } 33. Rxd7+ { [%eval 5.37] [%clk 0:11:18] } 33... Kxd7 { [%eval 5.18] [%clk 0:01:10] } 34. f4 { [%eval 5.58] [%clk 0:11:20] } 34... Kc6 { [%eval 5.26] [%clk 0:01:13] } 35. Kf2 { [%eval 5.28] [%clk 0:11:25] } 35... Kb5 { [%eval 5.36] [%clk 0:01:17] } 36. Ke3 { [%eval 5.34] [%clk 0:11:29] } 36... Ka4 { [%eval 5.12] [%clk 0:01:13] } 37. g4?? { [%eval -6.46] } { Blunder. Kd4 was best. } { [%clk 0:11:32] } 37... Kxa3 { [%eval -6.49] [%clk 0:01:13] } 38. Ke4 { [%eval -6.34] [%clk 0:11:36] } 38... Kb4 { [%eval -6.44] [%clk 0:01:13] } 39. g5 { [%eval -7.84] [%clk 0:11:40] } 39... Kc5 { [%eval -7.51] [%clk 0:01:13] } 40. h5 { [%eval -7.85] [%clk 0:11:40] } 40... Kd6 { [%eval -6.47] [%clk 0:01:04] } 41. h6?? { [%eval #-30] } { Checkmate is now unavoidable. f5 was best. } { [%clk 0:11:44] } 41... f5+ { [%clk 0:00:46] } 42. Kd4 { [%clk 0:11:48] } 42... g6 { [%clk 0:00:49] } 43. Kc4 { [%clk 0:11:50] } 43... Kc6 { [%clk 0:00:50] } 44. Kd4 { [%clk 0:11:43] } 1/2-1/2