Event: Round 1: Istratova, Nika - Paragua, Megan Althea
Date: 2024-04-28
White: Istratova, Nika
Black: Paragua, Megan Althea
BlackTitle: WFM
BlackElo: 1973
Result: 0-1
ECO: B92
Opening: Sicilian Defense: Najdorf Variation, Opocensky Variation
Variant: Standard

1. e4 { [%eval 0.16] [%clk 0:05:06] } 1... c5 { [%eval 0.34] [%clk 0:05:07] } 2. Nf3 { [%eval 0.23] [%clk 0:05:10] } 2... d6 { [%eval 0.35] [%clk 0:05:10] } 3. Nc3 { [%eval 0.17] [%clk 0:05:14] } 3... Nf6 { [%eval 0.35] [%clk 0:05:12] } 4. d4 { [%eval 0.29] [%clk 0:05:16] } 4... cxd4 { [%eval 0.33] [%clk 0:05:15] } 5. Nxd4 { [%eval 0.35] [%clk 0:05:20] } 5... a6 { [%eval 0.3] [%clk 0:05:20] } 6. Be3 { [%eval 0.22] [%clk 0:05:19] } 6... e5 { [%eval 0.25] [%clk 0:05:23] } 7. Nb3 { [%eval 0.17] [%clk 0:05:23] } 7... Be6 { [%eval 0.17] [%clk 0:05:26] } 8. Be2 { [%eval 0.23] [%clk 0:05:22] } 8... Be7 { [%eval 0.25] [%clk 0:05:26] } 9. O-O { [%eval 0.2] [%clk 0:05:23] } 9... O-O { [%eval 0.23] [%clk 0:05:27] } 10. h3 { [%eval 0.07] [%clk 0:05:21] } 10... Nbd7 { [%eval 0.14] [%clk 0:05:19] } 11. Bf3 { [%eval -0.25] [%clk 0:05:19] } 11... Nc5 { [%eval 0.26] [%clk 0:05:17] } 12. Nxc5 { [%eval 0.21] [%clk 0:05:19] } 12... dxc5 { [%eval 0.25] [%clk 0:05:21] } 13. Qd2 { [%eval 0.06] [%clk 0:05:05] } 13... Qc7 { [%eval 0.05] [%clk 0:04:37] } 14. Nd5 { [%eval -0.22] [%clk 0:04:59] } 14... Bxd5 { [%eval -0.16] [%clk 0:04:31] } 15. exd5 { [%eval -0.24] [%clk 0:05:02] } 15... e4 { [%eval -0.09] [%clk 0:04:36] } 16. Be2 { [%eval -0.02] [%clk 0:04:57] } 16... c4?! { [%eval 0.59] } { Inaccuracy. Rae8 was best. } { [%clk 0:04:34] } 17. Bf4 { [%eval 0.67] [%clk 0:04:25] } 17... Qc5 { [%eval 0.64] [%clk 0:04:36] } 18. Rfd1 { [%eval 0.6] [%clk 0:04:21] } 18... Rfd8 { [%eval 0.69] [%clk 0:04:38] } 19. d6 { [%eval 0.6] [%clk 0:04:12] } 19... Bf8?! { [%eval 1.2] } { Inaccuracy. Ne8 was best. } { [%clk 0:04:42] } 20. b3 { [%eval 0.68] [%clk 0:03:51] } 20... b5?! { [%eval 1.8] } { Inaccuracy. Ne8 was best. } { [%clk 0:04:35] } 21. b4? { [%eval 0.35] } { Mistake. a4 was best. } { [%clk 0:03:47] } 21... Qc6 { [%eval 0.35] [%clk 0:04:30] } 22. Qd4?! { [%eval -0.3] } { Inaccuracy. a4 was best. } { [%clk 0:03:21] } 22... Ne8 { [%eval 0.13] [%clk 0:03:55] } 23. Qc5 { [%eval 0.19] [%clk 0:03:11] } 23... Rac8 { [%eval 0.25] [%clk 0:03:33] } 24. Qxc6 { [%eval 0.29] [%clk 0:03:13] } 24... Rxc6 { [%eval 0.39] [%clk 0:03:37] } 25. Bg4?! { [%eval -0.23] } { Inaccuracy. d7 was best. } { [%clk 0:02:41] } 25... Nf6 { [%eval 0.17] [%clk 0:03:07] } 26. Bg5?! { [%eval -0.65] } { Inaccuracy. a4 was best. } { [%clk 0:02:27] } 26... Rcxd6 { [%eval -0.66] [%clk 0:02:58] } 27. Bxf6 { [%eval -0.95] [%clk 0:02:22] } 27... gxf6 { [%eval -0.84] [%clk 0:03:01] } 28. Rxd6 { [%eval -0.85] [%clk 0:02:23] } 28... Rxd6 { [%eval -0.71] [%clk 0:03:05] } 29. a3?! { [%eval -1.62] } { Inaccuracy. Bf5 was best. } { [%clk 0:02:26] } 29... c3? { [%eval 0.0] } { Mistake. Rd2 was best. } { [%clk 0:03:07] } 30. Rd1 { [%eval -0.3] [%clk 0:02:28] } 30... Rc6 { [%eval 0.2] [%clk 0:02:34] } 31. Re1 { [%eval 0.0] [%clk 0:02:21] } 31... Rc4 { [%eval 0.07] [%clk 0:02:22] } 32. Bf5 { [%eval 0.0] [%clk 0:02:16] } 32... Bh6 { [%eval 0.0] [%clk 0:01:50] } 33. Rxe4 { [%eval 0.0] [%clk 0:02:09] } 33... Rc6?! { [%eval 0.85] } { Inaccuracy. Rxe4 was best. } { [%clk 0:01:53] } 34. Rh4?! { [%eval 0.04] } { Inaccuracy. f4 was best. } { [%clk 0:01:57] } 34... Bc1 { [%eval 0.06] [%clk 0:01:53] } 35. Bxh7+ { [%eval 0.03] [%clk 0:01:59] } 35... Kf8 { [%eval 0.35] [%clk 0:01:42] } 36. Be4 { [%eval 0.0] [%clk 0:01:58] } 36... Rd6 { [%eval 0.0] [%clk 0:01:44] } 37. Rh8+ { [%eval 0.0] [%clk 0:01:51] } 37... Kg7 { [%eval -0.02] [%clk 0:01:41] } 38. Rh7+ { [%eval -0.08] [%clk 0:01:54] } 38... Kg8 { [%eval -0.09] [%clk 0:01:45] } 39. Rh4 { [%eval -0.01] [%clk 0:01:53] } 39... Bxa3 { [%eval 0.0] [%clk 0:01:49] } 40. Rg4+ { [%eval -0.02] [%clk 0:01:55] } 40... Kf8 { [%eval -0.08] [%clk 0:01:52] } 41. Bf5?! { [%eval -0.7] } { Inaccuracy. Bh7 was best. } { [%clk 0:01:47] } 41... Rd1+ { [%eval -0.26] [%clk 0:01:45] } 42. Kh2 { [%eval -0.2] [%clk 0:01:51] } 42... Rb1 { [%eval 0.0] [%clk 0:01:41] } 43. Bc8?? { [%eval -1.77] } { Blunder. g3 was best. } { [%clk 0:01:47] } 43... Bxb4 { [%eval -1.88] [%clk 0:01:44] } 44. Bxa6 { [%eval -1.76] [%clk 0:01:45] } 44... Bd6+? { [%eval -0.19] } { Mistake. Rb2 was best. } { [%clk 0:01:39] } 45. g3 { [%eval -0.21] [%clk 0:01:37] } 45... b4 { [%eval 0.01] [%clk 0:01:27] } 46. Rc4?! { [%eval -0.64] } { Inaccuracy. Bc4 was best. } { [%clk 0:01:14] } 46... Rb2?! { [%eval 0.0] } { Inaccuracy. Rd1 was best. } { [%clk 0:01:25] } 47. Rd4?? { [%eval -5.19] } { Blunder. Rc8+ was best. } { [%clk 0:01:07] } 47... Rxc2 { [%eval -5.16] [%clk 0:01:12] } 48. Rxd6 { [%eval -5.01] [%clk 0:01:09] } 48... Rxf2+ { [%eval -5.06] [%clk 0:01:16] } 49. Kg1 { [%eval -5.18] [%clk 0:01:11] } 49... c2 { [%eval -4.4] [%clk 0:01:19] } 50. Rc6 { [%eval -5.18] [%clk 0:01:09] } 50... Rd2 { [%eval -5.01] [%clk 0:01:21] } 51. Bf1? { [%eval -11.69] } { Mistake. Bb5 was best. } { [%clk 0:01:07] } 51... b3 { [%eval -11.48] [%clk 0:01:25] } 52. Rc8+?! { [%eval #-10] } { Checkmate is now unavoidable. g4 was best. } { [%clk 0:01:08] } 52... Kg7 { [%eval #-10] [%clk 0:01:29] } 53. Rc3 { [%eval #-8] [%clk 0:00:58] } 53... b2 { [%eval #-7] [%clk 0:01:33] } 54. Rd3 { [%eval #-6] [%clk 0:00:57] } 54... Rxd3 { [%eval #-6] [%clk 0:01:36] } 55. Bxd3 { [%eval #-6] [%clk 0:01:01] } 55... c1=Q+ { [%eval #-5] } 56. Kf2 { [%eval #-5] [%clk 0:01:04] } 56... Qd2+ { [%eval #-4] [%clk 0:01:42] } 57. Be2?? { [%eval #-4] } { Checkmate is now unavoidable. Kf3 was best. } { [%clk 0:01:07] } 57... b1=Q { [%eval #-3] } 58. Kf3 { [%eval #-2] [%clk 0:01:08] } 58... Qf5+ { [%eval #-2] [%clk 0:01:48] } 0-1