Event: Round 4: Sommerstein, Adrian Harrison - Wong, Hudson
Site: https://lichess.org/broadcast/2025-marshall-chess-club-amateur-championship-jerry-simon-memorial/round-4/IfiJ68oB/QajhALPJ
Date: 2025-11-23
White: Sommerstein, Adrian Harrison
WhiteElo: 1782
Black: Wong, Hudson
BlackElo: 1794
Result: 1-0
ECO: B28
Opening: Sicilian Defense: O'Kelly Variation, Venice System
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:30:58] } 2. Nf3 { [%eval 0.2] [%clk 1:31:20] } 2... a6 { [%eval 0.47] [%clk 1:31:25] } 3. c3 { [%eval 0.28] [%clk 1:29:56] } 3... e6 { [%eval 0.39] [%clk 1:31:53] } 4. d4 { [%eval 0.28] [%clk 1:30:22] } 4... d5 { [%eval 0.26] [%clk 1:32:20] } 5. e5 { [%eval 0.25] [%clk 1:27:51] } 5... Bd7 { [%eval 0.32] [%clk 1:32:44] } 6. Be2 { [%eval 0.31] [%clk 1:26:09] } 6... Bb5 { [%eval 0.67] [%clk 1:33:03] } 7. O-O?! { [%eval 0.08] } { Inaccuracy. Bxb5+ was best. } { [%clk 1:26:21] } 7... Bxe2 { [%eval 0.17] [%clk 1:33:26] } 8. Qxe2 { [%eval 0.06] [%clk 1:26:47] } 8... Nc6 { [%eval 0.15] [%clk 1:33:53] } 9. Be3 { [%eval 0.13] [%clk 1:24:52] } 9... Qc7?! { [%eval 0.92] } { Inaccuracy. cxd4 was best. } { [%clk 1:33:36] } 10. Nbd2?! { [%eval 0.09] } { Inaccuracy. dxc5 was best. } { [%clk 1:24:48] } 10... Nge7?! { [%eval 0.93] } { Inaccuracy. cxd4 was best. } { [%clk 1:33:55] } 11. Nh4?! { [%eval 0.13] } { Inaccuracy. dxc5 was best. } { [%clk 1:22:46] } 11... Ng6 { [%eval 0.58] [%clk 1:30:56] } 12. Nxg6 { [%eval 0.57] [%clk 1:21:53] } 12... hxg6 { [%eval 0.53] [%clk 1:31:21] } 13. f4?! { [%eval -0.27] } { Inaccuracy. Nf3 was best. } { [%clk 1:19:11] } 13... Ne7?? { [%eval 1.76] } { Blunder. cxd4 was best. } { [%clk 1:26:55] } 14. g4?? { [%eval 0.0] } { Blunder. dxc5 was best. } { [%clk 1:18:00] } 14... Nc6? { [%eval 1.54] } { Mistake. cxd4 was best. } { [%clk 1:22:01] } 15. Qg2?? { [%eval -0.35] } { Blunder. dxc5 was best. } { [%clk 1:09:19] } 15... O-O-O? { [%eval 1.13] } { Mistake. cxd4 was best. } { [%clk 1:19:36] } 16. Nf3? { [%eval -0.09] } { Mistake. dxc5 was best. } { [%clk 1:06:28] } 16... Be7? { [%eval 1.37] } { Mistake. cxd4 was best. } { [%clk 1:19:04] } 17. dxc5 { [%eval 1.45] [%clk 1:02:35] } 17... g5?! { [%eval 2.14] } { Inaccuracy. f6 was best. } { [%clk 1:19:01] } 18. fxg5 { [%eval 2.23] [%clk 1:00:12] } 18... Nxe5?! { [%eval 3.44] } { Inaccuracy. Rh7 was best. } { [%clk 1:16:06] } 19. Nxe5 { [%eval 3.26] [%clk 0:54:49] } 19... Qxe5 { [%eval 3.35] [%clk 1:16:21] } 20. Rae1 { [%eval 3.36] [%clk 0:47:02] } 20... Qc7 { [%eval 3.35] [%clk 1:14:04] } 21. Rf2?? { [%eval 0.35] } { Blunder. Rxf7 was best. } { [%clk 0:45:33] } 21... f5?? { [%eval 2.45] } { Blunder. Bxc5 was best. } { [%clk 1:14:04] } 22. Rxf5?? { [%eval -4.76] } { Blunder. gxf5 was best. } { [%clk 0:45:31] } 22... Rd7?? { [%eval 1.87] } { Blunder. exf5 was best. } { [%clk 1:09:55] } 23. Rf7? { [%eval 0.38] } { Mistake. Rf2 was best. } { [%clk 0:39:58] } 23... Qc6?? { [%eval 3.27] } { Blunder. Bxg5 was best. } { [%clk 1:06:32] } 24. Qf2 { [%eval 2.66] [%clk 0:36:44] } 24... Bxc5 { [%eval 2.84] [%clk 1:05:28] } 25. Rxg7?? { [%eval -4.05] } { Blunder. Bxc5 was best. } { [%clk 0:35:28] } 25... Bxe3 { [%eval -4.12] [%clk 1:05:54] } 26. Rxd7?? { [%eval -10.88] } { Blunder. Qxe3 was best. } { [%clk 0:31:49] } 26... Kxd7?? { [%eval 4.22] } { Blunder. Bxf2+ was best. } { [%clk 1:06:20] } 27. Qxe3 { [%eval 4.32] [%clk 0:30:45] } 27... Qd6 { [%eval 4.26] [%clk 1:05:36] } 28. Rf1?? { [%eval #-1] } { Checkmate is now unavoidable. h3 was best. } { [%clk 0:29:43] } 28... e5?? { [%eval 5.7] } { Lost forced checkmate sequence. Qxh2# was best. } { [%clk 1:03:23] } 29. Qf4?? { [%eval #-8] } { Checkmate is now unavoidable. Rf6 was best. } { [%clk 0:26:06] } 29... Rh5?? { [%eval 9.0] } { Lost forced checkmate sequence. exf4 was best. } { [%clk 0:56:31] } 30. Qf6 { [%eval 7.35] [%clk 0:26:06] } 30... Rh4 { [%eval 6.12] [%clk 1:00:39] } 31. Qg7+ { [%eval 7.24] [%clk 0:25:07] } 31... Ke8 { [%eval 8.18] [%clk 1:00:43] } 32. Qg8+ { [%eval 8.66] [%clk 0:25:26] } 32... Kd7 { [%eval 8.52] [%clk 1:00:52] } 33. Rf7+ { [%eval 8.25] [%clk 0:25:33] } 33... Kc6 { [%eval 7.87] [%clk 1:14:04] } 34. Rf6 { [%eval 7.61] [%clk 0:45:31] } 1-0