Event: 16th Annual Philadelphia International International
Site: ChessKast.com
Date: 2023-06-24
White: Derek Chen
Black: Eugene Yanayt
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:30] } 1... c5 { [%eval 0.32] [%clk 1:30:29] } 2. Nf3 { [%eval 0.0] [%clk 1:30:59] } 2... d6 { [%eval 0.0] [%clk 1:29:56] } 3. d4 { [%eval 0.25] [%clk 1:31:27] } 3... cxd4 { [%eval 0.13] [%clk 1:30:16] } 4. Nxd4 { [%eval 0.27] [%clk 1:31:53] } 4... Nf6 { [%eval 0.3] [%clk 1:30:28] } 5. Nc3 { [%eval 0.21] [%clk 1:32:22] } 5... a6 { [%eval 0.39] [%clk 1:30:42] } 6. Be3 { [%eval 0.12] [%clk 1:32:50] } 6... e5 { [%eval 0.31] [%clk 1:30:39] } 7. Nb3 { [%eval 0.25] [%clk 1:33:15] } 7... Be6 { [%eval 0.11] [%clk 1:30:37] } 8. f3 { [%eval 0.43] [%clk 1:33:44] } 8... Nbd7 { [%eval 0.38] [%clk 1:30:38] } 9. g4 { [%eval 0.38] [%clk 1:33:49] } 9... b5 { [%eval 0.52] [%clk 1:30:52] } 10. g5 { [%eval 0.46] [%clk 1:29:17] } 10... b4 { [%eval 0.45] [%clk 1:16:29] } 11. Nd5 { [%eval 0.32] [%clk 1:15:08] } 11... Nxd5 { [%eval 0.37] [%clk 1:12:52] } 12. exd5 { [%eval 0.47] [%clk 1:15:37] } 12... Bf5 { [%eval 0.41] [%clk 1:13:18] } 13. Bd3 { [%eval 0.48] [%clk 1:11:26] } 13... Bxd3 { [%eval 0.38] [%clk 1:12:04] } 14. Qxd3 { [%eval 0.35] [%clk 1:11:55] } 14... g6 { [%eval 0.79] [%clk 1:11:30] } 15. h4 { [%eval 0.76] [%clk 1:04:53] } 15... Bg7 { [%eval 0.85] [%clk 1:04:37] } 16. h5 { [%eval 0.85] [%clk 1:02:50] } 16... O-O { [%eval 0.83] [%clk 1:05:06] } 17. O-O-O { [%eval 0.38] [%clk 0:59:22] } 17... a5? { [%eval 1.71] } { Mistake. f5 was best. } { [%clk 0:52:40] } 18. Qe2? { [%eval 0.22] } { Mistake. Nd2 was best. } { [%clk 0:48:56] } 18... Qc7 { [%eval 0.61] [%clk 0:46:25] } 19. Nd2 { [%eval 0.63] [%clk 0:31:37] } 19... Rfc8?! { [%eval 1.42] } { Inaccuracy. a4 was best. } { [%clk 0:40:29] } 20. Ne4 { [%eval 1.22] [%clk 0:31:57] } 20... a4 { [%eval 1.47] [%clk 0:38:33] } 21. Kb1 { [%eval 1.45] [%clk 0:30:54] } 21... Ra5 { [%eval 1.64] [%clk 0:36:58] } 22. Rd2 { [%eval 1.78] [%clk 0:24:27] } 22... Rb8 { [%eval 1.82] [%clk 0:22:42] } 23. Qh2 { [%eval 2.15] [%clk 0:23:14] } 23... Rbb5? { [%eval 3.78] } { Mistake. Kf8 was best. } { [%clk 0:22:00] } 24. hxg6 { [%eval 4.04] [%clk 0:21:53] } 24... hxg6 { [%eval 3.81] [%clk 0:22:29] } 25. Qh4?! { [%eval 2.39] } { Inaccuracy. f4 was best. } { [%clk 0:19:15] } 25... Kf8 { [%eval 2.7] [%clk 0:20:15] } 26. Nf6? { [%eval 1.41] } { Mistake. f4 was best. } { [%clk 0:19:00] } 26... Qd8 { [%eval 3.81] [%clk 0:19:36] } 27. Ne4? { [%eval 2.07] } { Mistake. Qg4 was best. } { [%clk 0:14:52] } 27... Ke7 { [%eval 2.46] [%clk 0:20:05] } 28. f4 { [%eval 2.57] [%clk 0:11:55] } 28... Rxd5?! { [%eval 3.98] } { Inaccuracy. exf4 was best. } { [%clk 0:20:34] } 29. Rxd5 { [%eval 3.97] [%clk 0:07:09] } 29... Rxd5 { [%eval 3.88] [%clk 0:20:36] } 30. f5 { [%eval 3.93] [%clk 0:06:38] } 30... gxf5 { [%eval 3.99] [%clk 0:20:23] } 31. g6+ { [%eval 3.8] [%clk 0:07:05] } 31... Nf6 { [%eval 3.8] [%clk 0:19:02] } 32. Nxf6 { [%eval 3.94] [%clk 0:06:10] } 32... Bxf6 { [%eval 3.86] [%clk 0:19:31] } 33. Qh7? { [%eval 1.8] } { Mistake. Bg5 was best. } { [%clk 0:05:58] } 33... Qf8 { [%eval 1.8] [%clk 0:19:59] } 34. Bh6 { [%eval 2.21] [%clk 0:05:59] } 34... Qe8 { [%eval 2.14] [%clk 0:20:07] } 35. g7 { [%eval 1.94] [%clk 0:06:18] } 35... Bxg7 { [%eval 1.89] [%clk 0:20:20] } 36. Bxg7 { [%eval 2.0] [%clk 0:06:31] } 36... e4 { [%eval 1.86] [%clk 0:20:19] } 37. Qh4+ { [%eval 1.36] [%clk 0:06:30] } 37... Kd7 { [%eval 1.39] [%clk 0:20:48] } 38. Bh6 { [%eval 1.04] [%clk 0:06:24] } 38... a3 { [%eval 1.26] [%clk 0:21:17] } 39. Bg7? { [%eval 0.0] } { Mistake. Qe1 was best. } { [%clk 0:06:30] } 39... Qe6? { [%eval 1.38] } { Mistake. Qg8 was best. } { [%clk 0:21:19] } 40. Qe1 { [%eval 1.45] [%clk 0:06:41] } 40... Rb5 { [%eval 1.5] [%clk 0:21:09] } 41. Qe3 { [%eval 1.75] [%clk 0:06:15] } 41... Ra5 { [%eval 2.0] [%clk 0:21:38] } 42. Qb6 { [%eval 1.69] [%clk 0:06:19] } 42... Qd5 { [%eval 1.7] [%clk 0:22:07] } 43. Bf6 { [%eval 1.54] [%clk 0:01:41] } 43... axb2 { [%eval 1.96] [%clk 0:16:25] } 44. Qd8+ { [%eval 2.16] [%clk 0:01:38] } 44... Kc6 { [%eval 2.08] [%clk 0:16:55] } 45. Qc8+ { [%eval 1.96] [%clk 0:07:39] } 45... Kb5 { [%eval 2.09] [%clk 0:17:25] } 46. Qd7+ { [%eval 2.02] [%clk 0:05:29] } 46... Ka6 { [%eval 1.88] [%clk 0:17:54] } 47. Bxb2 { [%eval 1.94] [%clk 0:05:33] } 47... Rc5 { [%eval 1.75] [%clk 0:05:55] } 48. Qa4+ { [%eval 1.75] [%clk 0:02:31] } 48... Ra5 { [%eval 1.89] [%clk 0:05:59] } 49. Qxb4 { [%eval 2.02] [%clk 0:01:23] } 49... e3?! { [%eval 3.2] } { Inaccuracy. Rb5 was best. } { [%clk 0:06:28] } 50. Re1 { [%eval 3.34] [%clk 0:02:52] } 50... e2 { [%eval 3.74] [%clk 0:03:39] } 51. Kc1 { [%eval 3.58] [%clk 0:01:14] } 51... Rb5 { [%eval 3.56] [%clk 0:04:08] } 52. Qd4 { [%eval 3.81] [%clk 0:01:23] } 52... Qe6?! { [%eval 5.59] } { Inaccuracy. Qxd4 was best. } { [%clk 0:03:24] } 53. a4?! { [%eval 3.71] } { Inaccuracy. Qa4+ was best. } { [%clk 0:01:02] } 53... Qh6+ { [%eval 4.29] [%clk 0:02:11] } 54. Kb1 { [%eval 4.39] [%clk 0:01:26] } 54... Rb6 { [%eval 4.55] [%clk 0:02:01] } 55. Rxe2 { [%eval 4.6] [%clk 0:01:09] } 55... f4?? { [%eval #13] } { Checkmate is now unavoidable. Qh1+ was best. } { [%clk 0:02:31] } 56. Qc4+ { [%eval #12] [%clk 0:01:14] } 56... Ka5 { [%eval #7] [%clk 0:03:01] } 57. Ka2 { [%eval #8] [%clk 0:00:37] } 1-0