Event: Round 4: Chen, Ryo - Amburgy, Ryan
Date: 2024-05-26
White: Chen, Ryo
WhiteTitle: IM
WhiteElo: 2342
Black: Amburgy, Ryan
BlackTitle: FM
BlackElo: 2245
Result: 1-0
ECO: B42
Opening: Sicilian Defense: Kan Variation, Polugaevsky Variation
Variant: Standard

1. e4 { [%eval 0.15] [%clk 1:29:35] } 1... c5 { [%eval 0.25] [%clk 1:30:55] } 2. Nf3 { [%eval 0.25] [%clk 1:29:51] } 2... e6 { [%eval 0.37] [%clk 1:31:19] } 3. d4 { [%eval 0.43] [%clk 1:30:10] } 3... cxd4 { [%eval 0.36] [%clk 1:31:44] } 4. Nxd4 { [%eval 0.43] [%clk 1:30:36] } 4... a6 { [%eval 0.43] [%clk 1:32:07] } 5. Bd3 { [%eval 0.48] [%clk 1:29:06] } 5... Bc5 { [%eval 0.45] [%clk 1:32:29] } 6. Nb3 { [%eval 0.35] [%clk 1:29:32] } 6... Ba7 { [%eval 0.45] [%clk 1:32:55] } 7. Qe2 { [%eval 0.43] [%clk 1:28:37] } 7... Ne7 { [%eval 0.4] [%clk 1:33:13] } 8. Be3 { [%eval 0.51] [%clk 1:28:10] } 8... O-O { [%eval 0.51] [%clk 1:32:38] } 9. Nc3 { [%eval 0.31] [%clk 1:26:24] } 9... b5 { [%eval 0.27] [%clk 1:31:51] } 10. e5 { [%eval 0.23] [%clk 1:24:15] } 10... Nbc6 { [%eval 0.28] [%clk 1:22:06] } 11. Bxa7 { [%eval 0.22] [%clk 1:21:31] } 11... Rxa7 { [%eval 0.26] [%clk 1:22:29] } 12. f4 { [%eval 0.21] [%clk 1:21:39] } 12... Ng6?! { [%eval 0.88] } { Inaccuracy. Nb4 was best. } { [%clk 1:16:56] } 13. g3 { [%eval 0.73] [%clk 1:21:15] } 13... Nb4 { [%eval 0.89] [%clk 1:14:24] } 14. Be4 { [%eval 0.44] [%clk 1:20:27] } 14... f5? { [%eval 1.74] } { Mistake. d5 was best. } { [%clk 1:13:59] } 15. Bg2?! { [%eval 0.96] } { Inaccuracy. a3 was best. } { [%clk 1:19:05] } 15... Bb7 { [%eval 0.94] [%clk 1:13:15] } 16. Bxb7 { [%eval 1.03] [%clk 1:17:39] } 16... Rxb7 { [%eval 1.07] [%clk 1:13:43] } 17. a3 { [%eval 1.0] [%clk 1:17:51] } 17... Nc6 { [%eval 1.05] [%clk 1:13:59] } 18. Nc5?! { [%eval 0.47] } { Inaccuracy. O-O-O was best. } { [%clk 1:18:10] } 18... Ra7 { [%eval 0.42] [%clk 1:14:20] } 19. O-O-O { [%eval 0.5] [%clk 1:18:18] } 19... Qc8 { [%eval 0.61] [%clk 1:13:57] } 20. b4 { [%eval 0.46] [%clk 0:57:20] } 20... Na5 { [%eval 0.5] [%clk 1:10:43] } 21. Rd3 { [%eval 0.48] [%clk 0:57:06] } 21... Rc7 { [%eval 0.44] [%clk 1:07:29] } 22. Rhd1 { [%eval 0.46] [%clk 0:53:06] } 22... Nb7 { [%eval 0.4] [%clk 1:07:52] } 23. Nxd7 { [%eval 0.44] [%clk 0:52:49] } 23... Rxc3 { [%eval 0.47] [%clk 1:08:08] } 24. Nxf8 { [%eval 0.45] [%clk 0:53:13] } 24... Nxf8?? { [%eval 2.84] } { Blunder. Kxf8 was best. } { [%clk 1:07:55] } 25. Rxc3 { [%eval 2.86] [%clk 0:53:38] } 25... Qxc3 { [%eval 2.34] [%clk 1:08:24] } 26. Qd3 { [%eval 2.2] [%clk 0:53:50] } 26... Qc6 { [%eval 2.69] [%clk 1:07:41] } 27. Qd4 { [%eval 2.51] [%clk 0:53:36] } 27... a5 { [%eval 2.94] [%clk 0:56:40] } 28. Rd3 { [%eval 3.26] [%clk 0:53:34] } 28... axb4 { [%eval 3.21] [%clk 0:57:02] } 29. axb4 { [%eval 3.01] [%clk 0:54:03] } 29... Qg2?! { [%eval 3.85] } { Inaccuracy. Qh1+ was best. } { [%clk 0:55:08] } 30. Qb6 { [%eval 3.78] [%clk 0:51:25] } 30... h5 { [%eval 4.06] [%clk 0:53:37] } 31. h4 { [%eval 3.97] [%clk 0:50:50] } 31... Qe4 { [%eval 4.45] [%clk 0:51:01] } 32. Qxb5 { [%eval 4.26] [%clk 0:51:14] } 32... Ng6 { [%eval 4.68] [%clk 0:51:25] } 33. Rd7 { [%eval 4.89] [%clk 0:51:08] } 33... Qe1+ { [%eval 5.07] [%clk 0:51:53] } 34. Kb2 { [%eval 4.95] [%clk 0:51:30] } 34... Qxg3 { [%eval 4.65] [%clk 0:52:21] } 35. Qxb7 { [%eval 4.87] } 35... Nxf4 { [%eval 4.17] [%clk 0:52:49] } 36. Rd8+ { [%eval 4.21] [%clk 0:49:26] } 36... Kh7 { [%eval 4.08] [%clk 0:53:17] } 37. Qc8 { [%eval 4.0] [%clk 0:49:13] } 37... Ng6 { [%eval 3.86] [%clk 0:53:43] } 38. Qxe6 { [%eval 3.92] } 38... Qxh4 { [%eval 3.51] } 39. Rb8? { [%eval 2.0] } { Mistake. Qg8+ was best. } { [%clk 0:47:21] } 39... Qd4+ { [%eval 1.99] [%clk 0:54:25] } 40. Kb3 { [%eval 1.97] [%clk 0:47:45] } 40... f4?! { [%eval 2.91] } { Inaccuracy. Qe3+ was best. } { [%clk 0:54:29] } 41. Qf5 { [%eval 2.91] [%clk 0:46:17] } 41... Kh6?! { [%eval 4.32] } { Inaccuracy. Qd5+ was best. } { [%clk 0:54:48] } 42. e6 { [%eval 4.13] [%clk 0:45:57] } 42... Qe3+ { [%eval 4.17] [%clk 0:55:16] } 43. c3 { [%eval 3.69] [%clk 0:45:51] } 43... f3?? { [%eval #22] } { Checkmate is now unavoidable. Qd2 was best. } { [%clk 0:55:01] } 44. Rb5 { [%eval #21] [%clk 0:44:26] } 44... Nf4 { [%eval #21] [%clk 0:54:31] } 45. e7 { [%eval #22] [%clk 0:44:48] } 45... f2 { [%eval 6.03] [%clk 0:54:02] } 46. e8=Q { [%eval 5.84] [%clk 0:44:59] } 46... Qxe8 { [%eval 5.73] [%clk 0:54:30] } 47. Qxf4+ { [%eval 5.6] [%clk 0:45:19] } 47... Kh7 { [%eval 5.43] [%clk 0:54:59] } 48. Rc5 { [%eval 5.98] [%clk 0:45:02] } 48... Qe6+ { [%eval 5.85] [%clk 0:55:19] } 49. Rc4 { [%eval 5.53] [%clk 0:44:49] } 49... Qg4 { [%eval 5.86] [%clk 0:54:46] } 50. Qxf2 { [%eval 5.76] [%clk 0:45:07] } 1-0