Event: Round 4: Miguel Mosquera - Nathan Yan
Date: 2024-01-04
White: Miguel Mosquera
WhiteTitle: IM
Black: Nathan Yan
BlackTitle: FM
Result: 1/2-1/2
ECO: C77
Opening: Ruy Lopez: Morphy Defense, Mackenzie Variation
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:30:30] } 1... e5 { [%eval 0.17] [%clk 1:24:14] } 2. Nf3 { [%eval 0.29] [%clk 1:30:52] } 2... Nc6 { [%eval 0.32] [%clk 1:24:17] } 3. Bb5 { [%eval 0.34] [%clk 1:31:13] } 3... a6 { [%eval 0.38] [%clk 1:24:20] } 4. Ba4 { [%eval 0.31] [%clk 1:31:19] } 4... Nf6 { [%eval 0.3] [%clk 1:24:41] } 5. d4 { [%eval -0.13] [%clk 1:31:33] } 5... exd4 { [%eval 0.0] [%clk 1:24:13] } 6. e5 { [%eval -0.38] [%clk 1:31:24] } 6... Ne4 { [%eval -0.23] [%clk 1:24:03] } 7. O-O { [%eval -0.44] [%clk 1:31:44] } 7... Nc5 { [%eval -0.25] [%clk 1:24:01] } 8. Bxc6 { [%eval -0.57] [%clk 1:29:24] } 8... dxc6 { [%eval -0.51] [%clk 1:24:19] } 9. Nxd4 { [%eval -0.47] [%clk 1:29:46] } 9... Be7 { [%eval -0.02] [%clk 1:21:29] } 10. Nc3 { [%eval -0.04] [%clk 1:27:26] } 10... Ne6 { [%eval -0.04] [%clk 1:17:05] } 11. Nf5 { [%eval 0.03] [%clk 1:25:45] } 11... Qxd1 { [%eval -0.03] [%clk 1:16:54] } 12. Rxd1 { [%eval -0.12] [%clk 1:26:09] } 12... Bc5 { [%eval 0.4] [%clk 1:16:50] } 13. Ne4 { [%eval 0.27] [%clk 1:25:14] } 13... Ba7 { [%eval 0.51] [%clk 1:15:20] } 14. Be3 { [%eval 0.51] [%clk 1:23:58] } 14... Bxe3 { [%eval 0.58] [%clk 1:13:33] } 15. Nxe3 { [%eval 0.53] [%clk 1:24:21] } 15... Bd7 { [%eval 0.82] [%clk 1:12:43] } 16. Rd2 { [%eval 0.79] [%clk 1:14:16] } 16... O-O-O { [%eval 0.95] [%clk 1:11:33] } 17. Rad1 { [%eval 0.83] [%clk 1:13:30] } 17... Rhe8 { [%eval 0.85] [%clk 1:09:57] } 18. f3 { [%eval 0.63] [%clk 1:04:10] } 18... c5 { [%eval 0.68] [%clk 1:07:42] } 19. Kf2 { [%eval 0.36] [%clk 1:04:23] } 19... Bc6 { [%eval 0.3] [%clk 1:06:11] } 20. Rxd8+ { [%eval 0.26] [%clk 1:04:40] } 20... Rxd8 { [%eval 0.49] [%clk 1:06:39] } 21. Rxd8+ { [%eval 0.53] [%clk 1:04:20] } 21... Kxd8 { [%eval 0.48] [%clk 1:07:06] } 22. Nc3 { [%eval 0.44] [%clk 0:57:26] } 22... Nd4 { [%eval 0.45] [%clk 1:05:28] } 23. Ne2 { [%eval 0.26] [%clk 0:55:49] } 23... g6 { [%eval 0.6] [%clk 1:03:34] } 24. Nf4 { [%eval 0.76] [%clk 0:51:07] } 24... Kd7 { [%eval 0.85] [%clk 0:57:00] } 25. h4 { [%eval 0.87] [%clk 0:44:13] } 25... h5 { [%eval 1.29] [%clk 0:54:55] } 26. Kg3 { [%eval 1.11] [%clk 0:42:38] } 26... b5?! { [%eval 2.01] } { Inaccuracy. Bb5 was best. } { [%clk 0:43:53] } 27. c3 { [%eval 2.0] [%clk 0:36:16] } 27... Ne6 { [%eval 2.1] [%clk 0:42:52] } 28. Nxe6 { [%eval 2.22] [%clk 0:36:38] } 28... Kxe6 { [%eval 2.15] [%clk 0:43:19] } 29. Kf4 { [%eval 1.89] [%clk 0:37:03] } 29... a5 { [%eval 2.34] [%clk 0:38:41] } 30. a3? { [%eval 0.85] } { Mistake. g4 was best. } { [%clk 0:31:54] } 30... Be8?? { [%eval 2.8] } { Blunder. Bb7 was best. } { [%clk 0:36:03] } 31. g4 { [%eval 2.6] [%clk 0:31:37] } 31... hxg4 { [%eval 2.72] [%clk 0:34:52] } 32. fxg4 { [%eval 2.91] [%clk 0:31:00] } 32... c6 { [%eval 3.48] [%clk 0:33:43] } 33. Ke4?! { [%eval 2.71] } { Inaccuracy. Nf1 was best. } { [%clk 0:16:43] } 33... f6 { [%eval 2.64] [%clk 0:31:10] } 34. exf6 { [%eval 2.56] [%clk 0:06:48] } 34... Kxf6 { [%eval 2.79] [%clk 0:31:38] } 35. Kf4 { [%eval 2.89] [%clk 0:07:07] } 35... Bf7 { [%eval 2.83] [%clk 0:31:05] } 36. Nf1 { [%eval 2.99] [%clk 0:06:01] } 36... Ke6 { [%eval 2.91] [%clk 0:26:07] } 37. Kg5 { [%eval 2.77] [%clk 0:05:12] } 37... Ke5 { [%eval 3.16] [%clk 0:26:16] } 38. Ng3 { [%eval 3.09] [%clk 0:03:50] } 38... Bc4 { [%eval 3.88] } 39. h5?! { [%eval 2.66] } { Inaccuracy. Kxg6 was best. } { [%clk 0:03:14] } 39... gxh5 { [%eval 2.65] [%clk 0:18:04] } 40. gxh5 { [%eval 2.62] [%clk 0:03:43] } 40... Bd3 { [%eval 2.63] [%clk 0:18:17] } 41. h6 { [%eval 2.71] [%clk 0:03:58] } 41... a4?! { [%eval 3.83] } { Inaccuracy. Bh7 was best. } { [%clk 0:17:51] } 42. Nh5 { [%eval 4.05] [%clk 0:04:09] } 42... Bh7 { [%eval 4.08] [%clk 0:13:52] } 43. Nf4 { [%eval 4.08] [%clk 0:02:13] } 43... Ke4 { [%eval 4.1] [%clk 0:08:14] } 44. Ng6 { [%eval 4.05] [%clk 0:01:01] } 44... Kd3 { [%eval 4.09] [%clk 0:08:09] } 45. Kf6 { [%eval 3.49] [%clk 0:01:23] } 45... Kc2 { [%eval 3.93] [%clk 0:08:22] } 46. Kg7 { [%eval 3.95] [%clk 0:01:46] } 46... Kxb2 { [%eval 4.55] [%clk 0:08:27] } 47. Kxh7 { [%eval 4.48] [%clk 0:02:09] } 47... b4?! { [%eval 5.93] } { Inaccuracy. Kxa3 was best. } { [%clk 0:08:50] } 48. cxb4 { [%eval 6.38] } 48... cxb4?! { [%eval 35.3] } { Inaccuracy. c4 was best. } 49. Kg8?? { [%eval 1.66] } { Blunder. axb4 was best. } 49... bxa3?? { [%eval 35.04] } { Blunder. b3 was best. } 50. h7 { [%eval 33.19] } 50... a2 { [%eval 36.03] } 1/2-1/2