Event: Round 6: Oscar Williams - Nathan Yan
Date: 2023-05-14
White: Oscar Williams
Black: Nathan Yan
Result: 0-1
ECO: C78
Opening: Ruy Lopez: Morphy Defense
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:00] } 1... e5 { [%eval 0.35] [%clk 1:29:42] } 2. Nf3 { [%eval 0.29] [%clk 1:30:00] } 2... Nc6 { [%eval 0.32] [%clk 1:28:47] } 3. Bb5 { [%eval 0.34] [%clk 1:30:00] } 3... a6 { [%eval 0.37] [%clk 1:28:46] } 4. Ba4 { [%eval 0.31] [%clk 1:30:00] } 4... Nf6 { [%eval 0.37] [%clk 1:28:41] } 5. O-O { [%eval 0.29] [%clk 1:30:00] } 5... b5 { [%eval 0.37] [%clk 1:28:12] } 6. Bb3 { [%eval 0.39] [%clk 1:30:00] } 6... Bc5 { [%eval 0.22] [%clk 1:28:12] } 7. c3 { [%eval 0.13] [%clk 1:30:00] } 7... d6 { [%eval 0.25] [%clk 1:28:12] } 8. d4 { [%eval 0.44] [%clk 1:30:00] } 8... Bb6 { [%eval 0.34] [%clk 1:28:10] } 9. Be3 { [%eval 0.32] [%clk 1:30:00] } 9... Bg4 { [%eval 0.44] [%clk 1:25:59] } 10. Qd3?! { [%eval -0.4] } { Inaccuracy. Nbd2 was best. } { [%clk 1:25:35] } 10... Bxf3 { [%eval -0.48] [%clk 1:22:11] } 11. gxf3 { [%eval -0.58] [%clk 1:25:34] } 11... O-O { [%eval -0.33] [%clk 1:21:31] } 12. Nd2 { [%eval -0.87] [%clk 1:24:18] } 12... Rb8?! { [%eval -0.3] } { Inaccuracy. Nh5 was best. } { [%clk 1:16:10] } 13. a3?! { [%eval -1.36] } { Inaccuracy. Kh1 was best. } { [%clk 1:23:37] } 13... Nh5 { [%eval -1.37] [%clk 1:14:59] } 14. Kh1 { [%eval -1.83] [%clk 1:19:23] } 14... exd4 { [%eval -1.61] [%clk 1:07:42] } 15. cxd4 { [%eval -2.06] [%clk 1:18:50] } 15... Qf6 { [%eval -2.01] [%clk 1:07:42] } 16. Rac1 { [%eval -2.44] [%clk 1:15:15] } 16... Nxd4 { [%eval -2.4] [%clk 1:06:02] } 17. Bxd4? { [%eval -4.22] } { Mistake. Bd5 was best. } { [%clk 1:14:55] } 17... Bxd4 { [%eval -4.25] [%clk 1:05:49] } 18. Rxc7 { [%eval -4.3] [%clk 1:14:31] } 18... Nf4 { [%eval -4.3] [%clk 1:04:30] } 19. Qc2 { [%eval -4.5] [%clk 1:14:22] } 19... Bb6?! { [%eval -3.24] } { Inaccuracy. Nh3 was best. } { [%clk 0:57:36] } 20. Rc6 { [%eval -3.37] [%clk 1:12:54] } 20... Qh4 { [%eval -4.06] [%clk 0:56:14] } 21. e5 { [%eval -5.05] [%clk 1:08:49] } 21... Qh3 { [%eval -3.12] [%clk 0:45:32] } 22. Rg1 { [%eval -4.83] [%clk 1:08:04] } 22... Bxf2 { [%eval -4.66] [%clk 0:44:58] } 23. Rg4 { [%eval -3.85] [%clk 1:07:56] } 23... h5?! { [%eval -2.62] } { Inaccuracy. dxe5 was best. } { [%clk 0:44:36] } 24. Rg5 { [%eval -2.7] [%clk 1:07:22] } 24... Be1 { [%eval -2.35] [%clk 0:29:51] } 25. Rc3? { [%eval -4.47] } { Mistake. e6 was best. } { [%clk 1:05:55] } 25... d5 { [%eval -4.61] [%clk 0:27:20] } 26. Rg1 { [%eval -4.27] [%clk 1:03:15] } 26... Bf2 { [%eval -4.63] [%clk 0:26:56] } 27. Rg5 { [%eval -4.61] [%clk 1:02:57] } 27... Bh4 { [%eval -4.57] [%clk 0:25:05] } 28. Rg1 { [%eval -4.69] [%clk 1:02:32] } 28... Ne2?! { [%eval -3.27] } { Inaccuracy. Bf2 was best. } { [%clk 0:24:30] } 29. f4 { [%eval -3.71] [%clk 0:59:07] } 29... Nxc3 { [%eval -3.25] [%clk 0:23:45] } 30. bxc3 { [%eval -3.09] [%clk 0:56:29] } 30... Rbd8 { [%eval -2.5] [%clk 0:17:40] } 31. f5? { [%eval -4.16] } { Mistake. Ba2 was best. } { [%clk 0:55:10] } 31... f6? { [%eval -2.5] } { Mistake. Rfe8 was best. } { [%clk 0:14:36] } 32. Qe4 { [%eval -3.05] [%clk 0:49:10] } 32... fxe5 { [%eval -2.46] [%clk 0:11:47] } 33. Bxd5+ { [%eval -2.3] [%clk 0:47:50] } 33... Kh8 { [%eval -2.24] [%clk 0:11:47] } 34. Nf3 { [%eval -2.59] [%clk 0:45:57] } 34... Rxd5 { [%eval -2.18] [%clk 0:07:26] } 35. Nxh4? { [%eval -3.99] } { Mistake. Qxd5 was best. } { [%clk 0:43:53] } 35... Rd2 { [%eval -3.94] [%clk 0:06:41] } 36. Qxe5 { [%eval -3.96] [%clk 0:43:22] } 36... Rf6?? { [%eval 0.0] } { Blunder. Rf7 was best. } { [%clk 0:03:54] } 37. Qe8+?? { [%eval -6.17] } { Blunder. Ng6+ was best. } { [%clk 0:42:21] } 37... Kh7 { [%eval -6.31] [%clk 0:03:27] } 38. Rxg7+?? { [%eval #-14] } { Checkmate is now unavoidable. Qxh5+ was best. } { [%clk 0:27:14] } 38... Kxg7 { [%eval -11.85] [%clk 0:03:27] } 39. Qe7+ { [%eval #-14] [%clk 0:27:09] } 39... Rf7 { [%eval #-17] [%clk 0:03:14] } 40. Qg5+?? { [%eval #-8] } { Checkmate is now unavoidable. f6+ was best. } { [%clk 0:26:31] } 40... Kf8 { [%eval #-7] [%clk 0:03:14] } 41. Qh6+ { [%eval #-7] [%clk 0:26:27] } 41... Ke8 { [%eval #-16] [%clk 0:02:33] } 42. Qc6+ { [%eval #-16] [%clk 0:26:01] } 42... Kd8 { [%eval #-11] [%clk 0:01:55] } 43. Qb6+ { [%eval -7.54] [%clk 0:23:07] } 43... Rc7 { [%eval #-11] [%clk 0:01:30] } 44. Qf6+ { [%eval -7.82] [%clk 0:23:03] } 44... Kc8 { [%eval #-10] [%clk 0:01:10] } 45. Qxa6+ { [%eval #-9] [%clk 0:22:15] } 45... Rb7 { [%eval #-8] [%clk 0:00:55] } 46. Qe6+ { [%eval #-8] [%clk 0:20:26] } 46... Kb8 { [%eval #-7] [%clk 0:00:55] } 47. Qe5+ { [%eval #-5] [%clk 0:20:26] } 47... Ka8 { [%eval #-4] [%clk 0:00:55] } 48. Qe8+ { [%eval #-4] [%clk 0:19:57] } 48... Ka7 { [%eval #-3] [%clk 0:00:55] } 49. Qe3+ { [%eval #-3] [%clk 0:19:57] } 49... Qxe3 { [%eval #-2] [%clk 0:00:55] } 0-1