Event: Round 4: Martin, Sam B - Lu, Maximillian
Site: https://lichess.org/broadcast/1st-annual-washington-dulles-open-2025/round-4/3K7Tgleh/h1Ruv9SH
Date: 2025-11-09
White: Martin, Sam B
WhiteElo: 2053
Black: Lu, Maximillian
BlackTitle: IM
BlackElo: 2395
Result: 1-0
ECO: B53
Opening: Sicilian Defense: Chekhover Variation
Variant: Standard
TimeControl: 110+10

1. e4 { [%eval 0.18] [%clk 1:50:16] } 1... c5 { [%eval 0.25] [%clk 1:45:28] } 2. Nf3 { [%eval 0.2] [%clk 1:49:59] } 2... d6 { [%eval 0.31] [%clk 1:45:06] } 3. d4 { [%eval 0.22] [%clk 1:50:01] } 3... cxd4 { [%eval 0.19] [%clk 1:45:14] } 4. Qxd4 { [%eval 0.0] [%clk 1:49:56] } 4... Nc6 { [%eval 0.16] [%clk 1:45:03] } 5. Qe3 { [%eval 0.0] [%clk 1:49:49] } 5... g6 { [%eval 0.16] [%clk 1:43:17] } 6. Be2 { [%eval 0.02] [%clk 1:49:44] } 6... Bg7 { [%eval 0.01] [%clk 1:42:34] } 7. h3 { [%eval 0.0] [%clk 1:49:14] } 7... Nf6 { [%eval 0.0] [%clk 1:41:44] } 8. Nc3 { [%eval -0.08] [%clk 1:48:56] } 8... O-O { [%eval -0.07] [%clk 1:40:39] } 9. O-O { [%eval -0.09] [%clk 1:48:52] } 9... Nd7 { [%eval 0.28] [%clk 1:33:58] } 10. Rd1 { [%eval 0.33] [%clk 1:40:30] } 10... Nc5 { [%eval 0.36] [%clk 1:33:10] } 11. Bd2 { [%eval 0.12] [%clk 1:36:08] } 11... Bd7 { [%eval 0.26] [%clk 1:32:00] } 12. a3 { [%eval 0.18] [%clk 1:33:13] } 12... Rc8 { [%eval 0.11] [%clk 1:28:44] } 13. Be1 { [%eval 0.14] [%clk 1:20:57] } 13... Ne6 { [%eval 0.31] [%clk 1:21:06] } 14. Rab1 { [%eval 0.22] [%clk 1:17:33] } 14... Kh8 { [%eval 0.27] [%clk 0:59:13] } 15. Nd5 { [%eval 0.29] [%clk 1:13:19] } 15... f5 { [%eval 0.31] [%clk 0:58:59] } 16. exf5 { [%eval -0.01] [%clk 1:05:15] } 16... Rxf5 { [%eval 0.48] [%clk 0:56:50] } 17. c4 { [%eval 0.57] [%clk 0:59:32] } 17... Qf8 { [%eval 0.56] [%clk 0:55:05] } 18. b3 { [%eval 0.21] [%clk 0:40:11] } 18... b6 { [%eval 0.35] [%clk 0:53:34] } 19. Bc3 { [%eval 0.19] [%clk 0:38:54] } 19... Bxc3 { [%eval 0.17] [%clk 0:50:17] } 20. Qxc3+ { [%eval 0.16] [%clk 0:38:18] } 20... Qg7 { [%eval 0.2] [%clk 0:50:26] } 21. Qxg7+ { [%eval 0.22] [%clk 0:37:21] } 21... Kxg7 { [%eval 0.21] [%clk 0:50:29] } 22. Bd3 { [%eval 0.08] [%clk 0:33:57] } 22... Rf7 { [%eval 0.17] [%clk 0:49:37] } 23. Re1 { [%eval -0.01] [%clk 0:33:36] } 23... Rcf8 { [%eval 0.16] [%clk 0:41:56] } 24. b4 { [%eval 0.05] [%clk 0:26:43] } 24... Rxf3 { [%eval 0.0] [%clk 0:31:44] } 25. gxf3 { [%eval 0.0] [%clk 0:26:35] } 25... Ng5 { [%eval 0.0] [%clk 0:30:33] } 26. Re3 { [%eval 0.0] [%clk 0:23:39] } 26... Nxf3+?! { [%eval 0.84] } { Inaccuracy. e6 was best. } { [%clk 0:17:03] } 27. Kg2 { [%eval 0.93] [%clk 0:18:53] } 27... Nfe5?! { [%eval 1.65] } { Inaccuracy. Nce5 was best. } { [%clk 0:16:45] } 28. Rd1 { [%eval 1.41] [%clk 0:10:21] } 28... e6 { [%eval 1.92] [%clk 0:10:01] } 29. Nc3?! { [%eval 0.92] } { Inaccuracy. Nc7 was best. } { [%clk 0:09:55] } 29... Ne7 { [%eval 0.95] [%clk 0:09:59] } 30. Rxe5?! { [%eval 0.15] } { Inaccuracy. Kf1 was best. } { [%clk 0:05:48] } 30... dxe5 { [%eval 0.2] [%clk 0:10:08] } 31. Bxg6 { [%eval 0.3] [%clk 0:05:56] } 31... Kxg6? { [%eval 1.96] } { Mistake. Nd5 was best. } { [%clk 0:05:46] } 32. Rxd7 { [%eval 1.86] [%clk 0:05:59] } 32... Nf5 { [%eval 1.89] [%clk 0:05:53] } 33. Rxa7 { [%eval 1.8] [%clk 0:05:23] } 33... Nh4+ { [%eval 1.63] [%clk 0:04:56] } 34. Kf1 { [%eval 1.56] [%clk 0:05:07] } 34... Rc8?? { [%eval 4.32] } { Blunder. Rf3 was best. } { [%clk 0:05:05] } 35. c5 { [%eval 4.0] [%clk 0:05:01] } 35... bxc5 { [%eval 3.97] [%clk 0:03:20] } 36. b5 { [%eval 4.14] [%clk 0:05:09] } 36... Nf5 { [%eval 4.77] [%clk 0:02:50] } 37. a4 { [%eval 4.76] [%clk 0:04:52] } 37... Nd4 { [%eval 4.6] [%clk 0:02:16] } 38. a5 { [%eval 4.67] [%clk 0:04:44] } 38... Rb8 { [%eval 4.62] [%clk 0:02:16] } 39. b6?? { [%eval 2.16] } { Blunder. a6 was best. } { [%clk 0:03:38] } 39... Nc6 { [%eval 1.83] [%clk 0:02:23] } 40. Rc7? { [%eval 0.37] } { Mistake. Ra6 was best. } { [%clk 0:01:46] } 40... Nxa5 { [%eval 0.48] [%clk 0:02:31] } 41. Rxc5 { [%eval 0.26] [%clk 0:01:51] } 41... Nb3 { [%eval 0.32] [%clk 0:02:38] } 42. Rb5 { [%eval 0.4] [%clk 0:01:30] } 42... Nd2+? { [%eval 1.9] } { Mistake. Nd4 was best. } { [%clk 0:01:12] } 43. Ke2 { [%eval 1.8] [%clk 0:01:38] } 43... Nc4 { [%eval 1.73] [%clk 0:01:21] } 44. b7? { [%eval 0.24] } { Mistake. Na4 was best. } { [%clk 0:01:42] } 44... Kf7?? { [%eval 4.62] } { Blunder. Nd6 was best. } { [%clk 0:00:35] } 45. Ne4 { [%eval 4.51] [%clk 0:01:32] } 45... Ke7 { [%eval 4.85] [%clk 0:00:43] } 46. Kf3 { [%eval 4.22] [%clk 0:00:39] } 46... Kd7 { [%eval 5.0] [%clk 0:00:13] } 47. Kg4 { [%eval 4.73] [%clk 0:00:38] } 47... Nd6 { [%eval 5.41] [%clk 0:00:14] } 48. Nxd6 { [%eval 4.83] [%clk 0:00:40] } 48... Kxd6 { [%eval 5.7] [%clk 0:00:24] } 49. Kh5 { [%eval 5.48] [%clk 0:00:46] } 49... Kc6 { [%eval 5.56] [%clk 0:00:14] } 50. Rb2 { [%eval 5.41] [%clk 0:00:52] } 50... e4 { [%eval 5.82] [%clk 0:00:12] } 51. Kh6 { [%eval 6.46] [%clk 0:00:57] } 51... Kd5 { [%eval 6.51] [%clk 0:00:15] } 52. Kxh7 { [%eval 6.14] [%clk 0:01:01] } 52... Kd4 { [%eval 6.29] [%clk 0:00:22] } 53. Kg6 { [%eval 6.06] [%clk 0:01:02] } 53... Kc3 { [%eval 7.05] [%clk 0:00:29] } 54. Rb6 { [%eval 6.94] [%clk 0:01:09] } 54... Kd3 { [%eval 6.62] [%clk 0:00:38] } 55. h4 { [%eval 6.17] [%clk 0:01:15] } 55... Ke2 { [%eval 5.97] [%clk 0:00:47] } 56. Rb2+ { [%eval 7.0] [%clk 0:01:24] } 56... Kf3 { [%eval 6.8] [%clk 0:00:50] } 57. h5 { [%eval 8.15] [%clk 0:01:27] } 57... e3 { [%eval 8.36] [%clk 0:00:25] } 58. fxe3 { [%eval 7.77] [%clk 0:01:34] } 58... Kxe3 { [%eval 12.28] [%clk 0:00:34] } 59. h6 { [%eval 9.85] [%clk 0:01:41] } 59... e5? { [%eval #12] } { Checkmate is now unavoidable. Kd4 was best. } { [%clk 0:00:39] } 60. h7 { [%eval #11] [%clk 0:01:41] } 60... Kd3 { [%eval #11] [%clk 0:00:46] } 61. Kg7 { [%eval #10] [%clk 0:01:48] } 61... Kc3 { [%eval #10] [%clk 0:00:55] } 62. Rb1 { [%eval #10] [%clk 0:01:51] } 62... Kc2 { [%eval #11] [%clk 0:01:03] } 63. Rb6 { [%eval #11] [%clk 0:01:57] } 1-0