Event: Round 5: Sommerstein, Adrian Harrison - Otero, Joseph
Site: https://lichess.org/broadcast/2025-marshall-chess-club-amateur-championship-jerry-simon-memorial/round-5/snaSmHne/MDUflCNM
Date: 2025-11-23
White: Sommerstein, Adrian Harrison
WhiteElo: 1782
Black: Otero, Joseph
BlackElo: 1870
Result: 0-1
ECO: B02
Opening: Alekhine Defense: Two Pawns Attack, Tate Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... Nf6 { [%eval 0.52] [%clk 1:30:46] } 2. e5 { [%eval 0.53] [%clk 1:30:46] } 2... Nd5 { [%eval 0.51] [%clk 1:31:11] } 3. c4 { [%eval 0.53] [%clk 1:29:34] } 3... Nb6 { [%eval 0.52] [%clk 1:31:36] } 4. a4 { [%eval 0.14] [%clk 1:29:34] } 4... a5 { [%eval 0.13] [%clk 1:31:50] } 5. Ra3 { [%eval -0.26] [%clk 1:29:43] } 5... d6 { [%eval 0.0] [%clk 1:32:11] } 6. exd6 { [%eval 0.0] [%clk 1:29:02] } 6... cxd6 { [%eval 0.09] [%clk 1:32:13] } 7. d4 { [%eval 0.0] [%clk 1:28:32] } 7... g6 { [%eval 0.0] [%clk 1:32:37] } 8. Rg3 { [%eval 0.16] [%clk 1:27:19] } 8... Bg7 { [%eval 0.22] [%clk 1:32:22] } 9. Nf3 { [%eval -0.04] [%clk 1:25:55] } 9... Nc6 { [%eval 0.45] [%clk 1:32:33] } 10. Be2?! { [%eval -0.33] } { Inaccuracy. h4 was best. } { [%clk 1:14:31] } 10... Bf5 { [%eval -0.31] [%clk 1:31:06] } 11. Na3 { [%eval -0.32] [%clk 1:14:00] } 11... d5 { [%eval -0.36] [%clk 1:30:46] } 12. c5 { [%eval -0.32] [%clk 1:13:53] } 12... Nd7 { [%eval -0.3] [%clk 1:31:03] } 13. Bf4 { [%eval -0.58] [%clk 1:13:00] } 13... Nb4?! { [%eval 0.0] } { Inaccuracy. Rc8 was best. } { [%clk 1:24:28] } 14. O-O { [%eval 0.0] [%clk 1:11:21] } 14... O-O { [%eval 0.0] [%clk 1:24:41] } 15. Nh4 { [%eval 0.0] [%clk 1:04:30] } 15... Be6 { [%eval 0.0] [%clk 1:19:24] } 16. Nb5 { [%eval 0.0] [%clk 1:00:33] } 16... Ra6?! { [%eval 0.92] } { Inaccuracy. Rc8 was best. } { [%clk 1:17:32] } 17. Qc1?! { [%eval 0.22] } { Inaccuracy. h3 was best. } { [%clk 0:52:37] } 17... Nf6 { [%eval 0.62] [%clk 1:16:40] } 18. Bc7 { [%eval 0.44] [%clk 0:34:45] } 18... Qd7 { [%eval 0.4] [%clk 1:15:17] } 19. Qf4?? { [%eval -1.65] } { Blunder. Rb3 was best. } { [%clk 0:32:51] } 19... Ne4 { [%eval -1.7] [%clk 1:14:35] } 20. Bb6 { [%eval -1.86] [%clk 0:28:10] } 20... Nxg3 { [%eval -1.86] [%clk 1:13:14] } 21. Qxg3 { [%eval -1.81] [%clk 0:26:59] } 21... Rc8 { [%eval -1.75] [%clk 1:09:25] } 22. Nc7?! { [%eval -2.72] } { Inaccuracy. h3 was best. } { [%clk 0:22:42] } 22... Rxb6 { [%eval -2.55] [%clk 1:09:46] } 23. cxb6 { [%eval -2.41] [%clk 0:22:48] } 23... Bxd4?? { [%eval -0.49] } { Blunder. Qc6 was best. } { [%clk 1:10:01] } 24. Nxe6 { [%eval -0.84] [%clk 0:22:55] } 24... fxe6 { [%eval -0.71] [%clk 1:06:46] } 25. Bg4?! { [%eval -1.65] } { Inaccuracy. Nxg6 was best. } { [%clk 0:13:51] } 25... Rc6 { [%eval -1.67] [%clk 1:05:16] } 26. Nf3 { [%eval -1.55] [%clk 0:13:21] } 26... Bf6?! { [%eval -0.47] } { Inaccuracy. Bxb2 was best. } { [%clk 1:05:06] } 27. Ne5?? { [%eval -2.88] } { Blunder. Qb8+ was best. } { [%clk 0:12:10] } 27... Bxe5 { [%eval -2.86] [%clk 1:05:10] } 28. Qxe5 { [%eval -2.88] [%clk 0:12:35] } 28... Qd6 { [%eval -2.82] [%clk 1:05:08] } 29. Qe2 { [%eval -3.48] [%clk 0:04:41] } 29... e5 { [%eval -3.38] [%clk 1:05:20] } 30. Qd2 { [%eval -3.49] [%clk 0:02:00] } 30... Rc2 { [%eval -3.08] [%clk 0:58:04] } 0-1