Event: Round 4: Salinas Herrera, Pablo - Oparin, Grigoriy
Date: 2025-05-25
White: Salinas Herrera, Pablo
WhiteTitle: GM
WhiteElo: 2447
Black: Oparin, Grigoriy
BlackTitle: GM
BlackElo: 2660
Result: 0-1
ECO: E44
Opening: Nimzo-Indian Defense: St. Petersburg Variation, American Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:27:21] } 1... Nf6 { [%eval 0.19] [%clk 1:30:55] } 2. c4 { [%eval 0.18] [%clk 1:27:42] } 2... e6 { [%eval 0.14] [%clk 1:31:17] } 3. Nc3 { [%eval 0.09] [%clk 1:28:08] } 3... Bb4 { [%eval 0.09] [%clk 1:31:39] } 4. e3 { [%eval 0.11] [%clk 1:28:33] } 4... b6 { [%eval 0.31] [%clk 1:31:06] } 5. Ne2 { [%eval 0.26] [%clk 1:27:33] } 5... Ne4 { [%eval 0.41] [%clk 1:31:01] } 6. Qc2 { [%eval 0.26] [%clk 1:24:26] } 6... Bb7 { [%eval 0.27] [%clk 1:31:10] } 7. a3 { [%eval 0.24] [%clk 1:20:15] } 7... Bxc3+ { [%eval 0.25] [%clk 1:31:33] } 8. Nxc3 { [%eval 0.34] [%clk 1:20:38] } 8... Nxc3 { [%eval 0.39] [%clk 1:31:52] } 9. Qxc3 { [%eval 0.46] [%clk 1:20:47] } 9... d6 { [%eval 0.5] [%clk 1:32:18] } 10. b3 { [%eval 0.39] [%clk 1:17:56] } 10... Nd7 { [%eval 0.41] [%clk 1:24:52] } 11. Bb2 { [%eval 0.27] [%clk 1:16:24] } 11... Qh4 { [%eval 0.17] [%clk 1:21:57] } 12. Qc2 { [%eval 0.03] [%clk 1:06:01] } 12... Be4 { [%eval 0.02] [%clk 1:11:17] } 13. Qe2 { [%eval -0.09] [%clk 1:05:27] } 13... O-O { [%eval 0.12] [%clk 1:08:39] } 14. O-O-O { [%eval 0.0] [%clk 0:50:06] } 14... d5 { [%eval 0.0] [%clk 1:09:01] } 15. f3 { [%eval -0.02] [%clk 0:50:28] } 15... Bg6 { [%eval -0.01] [%clk 1:09:26] } 16. Qe1 { [%eval 0.05] [%clk 0:50:52] } 16... Qe7 { [%eval -0.15] [%clk 1:06:58] } 17. Qc3 { [%eval -0.44] [%clk 0:50:59] } 17... a5 { [%eval -0.48] [%clk 1:01:51] } 18. h4 { [%eval -0.46] [%clk 0:50:10] } 18... h6 { [%eval -0.38] [%clk 1:01:38] } 19. g4 { [%eval -0.73] [%clk 0:40:00] } 19... c6 { [%eval -0.65] [%clk 0:54:08] } 20. Be2 { [%eval -0.95] [%clk 0:39:00] } 20... b5 { [%eval -0.93] [%clk 0:43:22] } 21. c5 { [%eval -1.05] [%clk 0:33:44] } 21... Rfb8?! { [%eval -0.27] } { Inaccuracy. b4 was best. } { [%clk 0:42:47] } 22. e4? { [%eval -1.79] } { Mistake. b4 was best. } { [%clk 0:24:50] } 22... b4 { [%eval -1.63] [%clk 0:42:32] } 23. axb4 { [%eval -1.84] [%clk 0:24:44] } 23... Rxb4 { [%eval -1.91] [%clk 0:41:51] } 24. Ba3 { [%eval -1.67] [%clk 0:24:15] } 24... dxe4 { [%eval -1.66] [%clk 0:35:56] } 25. Bxb4? { [%eval -3.63] } { Mistake. g5 was best. } { [%clk 0:24:31] } 25... axb4 { [%eval -3.6] [%clk 0:36:21] } 26. Qxb4 { [%eval -4.2] [%clk 0:20:05] } 26... Ra2 { [%eval -4.01] [%clk 0:35:05] } 27. Rde1 { [%eval -4.35] [%clk 0:11:26] } 27... Qf6?! { [%eval -3.25] } { Inaccuracy. exf3 was best. } { [%clk 0:24:16] } 28. f4?! { [%eval -4.5] } { Inaccuracy. h5 was best. } { [%clk 0:08:26] } 28... Qxf4+ { [%eval -4.46] [%clk 0:20:57] } 29. Kb1 { [%eval -4.47] [%clk 0:08:50] } 29... Rd2 { [%eval -4.45] [%clk 0:21:24] } 30. h5 { [%eval -4.4] [%clk 0:05:49] } 30... Bh7 { [%eval -4.48] [%clk 0:21:50] } 31. Rhf1 { [%eval -4.47] [%clk 0:06:16] } 31... e3+ { [%eval -4.82] [%clk 0:22:13] } 32. Ka1 { [%eval -4.64] [%clk 0:06:39] } 32... Qh2 { [%eval -4.8] [%clk 0:18:31] } 33. Rh1 { [%eval -4.74] [%clk 0:04:59] } 33... Qg2 { [%eval -4.85] [%clk 0:18:40] } 34. Rhg1 { [%eval -5.08] [%clk 0:05:18] } 34... Qe4 { [%eval -4.96] [%clk 0:19:05] } 35. Qc3 { [%eval -4.99] [%clk 0:05:42] } 35... Rc2 { [%eval -4.86] [%clk 0:14:49] } 36. Qb4 { [%eval -4.77] [%clk 0:06:08] } 36... g5 { [%eval -5.06] [%clk 0:12:47] } 37. Rgf1 { [%eval -5.09] [%clk 0:06:06] } 37... Nxc5?? { [%eval -1.47] } { Blunder. e5 was best. } { [%clk 0:11:24] } 38. Qb8+?? { [%eval -5.19] } { Blunder. Bd3 was best. } { [%clk 0:04:18] } 38... Kg7 { [%eval -4.75] [%clk 0:11:50] } 39. Rxf7+?! { [%eval -7.68] } { Inaccuracy. Rd1 was best. } { [%clk 0:02:53] } 39... Kxf7 { [%eval -7.93] [%clk 0:12:18] } 40. Rf1+ { [%eval -9.75] [%clk 0:03:16] } 40... Bf5 { [%eval -9.85] [%clk 0:12:44] } 41. Qc7+ { [%eval -9.82] [%clk 0:01:05] } 41... Ke8 { [%eval -10.97] [%clk 0:13:09] } 42. Qb8+ { [%eval -9.74] [%clk 0:00:57] } 42... Ke7 { [%eval -9.23] [%clk 0:13:35] } 43. Qa7+? { [%eval #-15] } { Checkmate is now unavoidable. Qb4 was best. } { [%clk 0:00:33] } 43... Kf6 { [%eval #-16] [%clk 0:13:59] } 0-1