Event: Round 8: Stephenson, David W - Britton, Richard L
Date: 2024-08-03
White: Stephenson, David W
WhiteElo: 1836
Black: Britton, Richard L
BlackTitle: FM
BlackElo: 2054
Result: 1-0
ECO: B20
Opening: Sicilian Defense: Mengarini Variation
Variant: Standard

1. e4 { [%eval 0.15] [%clk 1:30:48] } 1... c5 { [%eval 0.25] [%clk 1:30:55] } 2. a3 { [%eval -0.07] [%clk 1:30:59] } 2... g6 { [%eval -0.02] [%clk 1:31:00] } 3. h4 { [%eval -0.29] [%clk 1:31:08] } 3... h5 { [%eval -0.18] [%clk 1:29:14] } 4. Nc3 { [%eval -0.24] [%clk 1:31:11] } 4... Bg7 { [%eval -0.25] [%clk 1:29:38] } 5. Bc4 { [%eval -0.25] [%clk 1:31:15] } 5... e6 { [%eval -0.08] [%clk 1:27:19] } 6. d3 { [%eval -0.15] [%clk 1:25:36] } 6... Ne7 { [%eval 0.0] [%clk 1:27:16] } 7. Nge2 { [%eval -0.31] [%clk 1:24:56] } 7... Nbc6 { [%eval -0.23] [%clk 1:18:47] } 8. Bg5 { [%eval -0.26] [%clk 1:18:18] } 8... a6 { [%eval -0.13] [%clk 1:15:06] } 9. Qd2 { [%eval -0.16] [%clk 1:10:00] } 9... Nd4 { [%eval 0.21] [%clk 1:04:45] } 10. Nxd4 { [%eval -0.19] [%clk 1:06:23] } 10... cxd4 { [%eval -0.12] [%clk 1:04:45] } 11. Ne2 { [%eval -0.11] [%clk 1:02:12] } 11... f6 { [%eval -0.17] [%clk 0:55:09] } 12. Bf4 { [%eval -0.27] [%clk 1:01:38] } 12... d5 { [%eval -0.11] [%clk 0:47:15] } 13. Bb3?! { [%eval -0.68] } { Inaccuracy. exd5 was best. } { [%clk 0:56:25] } 13... e5 { [%eval -0.71] [%clk 0:41:38] } 14. Bg3 { [%eval -0.87] [%clk 0:54:39] } 14... Bh6 { [%eval -0.71] [%clk 0:28:58] } 15. f4 { [%eval -0.9] [%clk 0:33:59] } 15... dxe4?! { [%eval 0.11] } { Inaccuracy. O-O was best. } { [%clk 0:26:13] } 16. dxe4 { [%eval -0.01] [%clk 0:31:38] } 16... Qb6?! { [%eval 1.03] } { Inaccuracy. Bg4 was best. } { [%clk 0:23:45] } 17. O-O?! { [%eval 0.0] } { Inaccuracy. Qb4 was best. } { [%clk 0:16:16] } 17... Bg4 { [%eval 0.0] [%clk 0:20:51] } 18. Kh1 { [%eval -0.51] [%clk 0:12:47] } 18... Be6?! { [%eval 0.2] } { Inaccuracy. O-O-O was best. } { [%clk 0:09:42] } 19. Qd3 { [%eval -0.13] [%clk 0:10:23] } 19... Bxb3 { [%eval -0.1] [%clk 0:10:05] } 20. cxb3 { [%eval -0.13] [%clk 0:10:29] } 20... Qd6 { [%eval 0.39] [%clk 0:07:43] } 21. fxe5 { [%eval 0.29] [%clk 0:09:13] } 21... fxe5 { [%eval 0.38] [%clk 0:08:06] } 22. Rf3 { [%eval -0.11] [%clk 0:09:01] } 22... O-O-O { [%eval 0.08] [%clk 0:07:53] } 23. Raf1 { [%eval -0.01] [%clk 0:08:29] } 23... Rhf8 { [%eval -0.08] [%clk 0:06:44] } 24. b4 { [%eval -0.23] [%clk 0:08:10] } 24... Rxf3 { [%eval -0.18] [%clk 0:04:45] } 25. Rxf3 { [%eval -0.32] [%clk 0:08:12] } 25... Rf8?! { [%eval 0.4] } { Inaccuracy. Nc6 was best. } { [%clk 0:03:31] } 26. Rxf8+ { [%eval 0.0] [%clk 0:08:10] } 26... Bxf8 { [%eval 0.0] [%clk 0:03:58] } 27. b5 { [%eval 0.0] [%clk 0:08:11] } 27... axb5 { [%eval 0.0] [%clk 0:03:41] } 28. Qxb5 { [%eval 0.0] [%clk 0:08:12] } 28... Nc6 { [%eval 0.0] [%clk 0:02:43] } 29. Nc1 { [%eval 0.0] [%clk 0:06:38] } 29... Bg7?! { [%eval 0.97] } { Inaccuracy. Qe6 was best. } { [%clk 0:02:47] } 30. Nd3 { [%eval 0.87] [%clk 0:06:34] } 30... Bf6?! { [%eval 1.77] } { Inaccuracy. Qe6 was best. } { [%clk 0:02:43] } 31. Nc5? { [%eval 0.16] } { Mistake. Qc4 was best. } { [%clk 0:03:55] } 31... Qe7 { [%eval 0.09] [%clk 0:02:50] } 32. Kg1 { [%eval 0.13] [%clk 0:03:55] } 32... g5 { [%eval 0.09] [%clk 0:03:16] } 33. hxg5 { [%eval 0.07] [%clk 0:03:58] } 33... Bxg5 { [%eval 0.15] [%clk 0:03:43] } 34. Nd3 { [%eval 0.0] [%clk 0:03:29] } 34... Bf6?! { [%eval 0.6] } { Inaccuracy. Be3+ was best. } { [%clk 0:03:43] } 35. Qd5 { [%eval 0.44] [%clk 0:03:27] } 35... h4 { [%eval 0.5] [%clk 0:04:06] } 36. Be1 { [%eval 0.56] [%clk 0:03:14] } 36... Bg5 { [%eval 0.58] [%clk 0:04:08] } 37. b4 { [%eval 0.64] [%clk 0:02:44] } 37... Be3+ { [%eval 0.94] [%clk 0:03:05] } 38. Kh2 { [%eval 1.03] [%clk 0:02:32] } 38... Bf4+? { [%eval 2.75] } { Mistake. Nd8 was best. } { [%clk 0:02:22] } 39. Kg1? { [%eval 1.11] } { Mistake. Kh3 was best. } { [%clk 0:02:05] } 39... Be3+ { [%eval 1.1] [%clk 0:02:27] } 40. Kh2 { [%eval 1.11] [%clk 0:01:46] } 40... Bf4+? { [%eval 2.56] } { Mistake. Nd8 was best. } { [%clk 0:02:52] } 41. Kh1?? { [%eval 0.59] } { Blunder. Kh3 was best. } { [%clk 0:19:57] } 41... Qf6 { [%eval 0.98] [%clk 0:27:22] } 42. Nc5 { [%eval 0.52] [%clk 0:16:08] } 42... Qe7?? { [%eval 3.44] } { Blunder. Nd8 was best. } { [%clk 0:27:03] } 43. b5 { [%eval 3.58] [%clk 0:15:12] } 43... Nd8 { [%eval 3.33] [%clk 0:26:33] } 44. Ba5 { [%eval 3.33] [%clk 0:07:54] } 44... Nf7 { [%eval 2.97] [%clk 0:26:12] } 45. Bb4 { [%eval 2.48] [%clk 0:06:07] } 45... Bg3?? { [%eval 5.85] } { Blunder. Bh6 was best. } { [%clk 0:25:20] } 46. Ne6 { [%eval 5.66] [%clk 0:05:18] } 46... Qf6?? { [%eval #6] } { Checkmate is now unavoidable. Qd7 was best. } { [%clk 0:23:45] } 47. Qc5+ { [%eval #5] [%clk 0:05:04] } 47... Kd7 { [%eval #3] [%clk 0:23:53] } 48. Nf8+?? { [%eval 5.13] } { Lost forced checkmate sequence. Qc7+ was best. } { [%clk 0:04:25] } 48... Ke8?? { [%eval #3] } { Checkmate is now unavoidable. Kd8 was best. } { [%clk 0:24:09] } 49. Qc8+ { [%eval #2] [%clk 0:04:27] } 49... Nd8 { [%eval #1] [%clk 0:24:35] } 50. Qd7# { [%clk 0:02:58] } 1-0