Event: Round 1: Arthur Herrmann - Aaron Noah KÃ¶llner
Date: 2023-10-23
White: Arthur Herrmann
WhiteElo: 1930
Black: Aaron Noah Koellner
BlackTitle: CM
BlackElo: 2201
Result: 1-0
ECO: B48
Opening: Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:29:50] } 2. Nf3 { [%eval 0.0] [%clk 1:31:20] } 2... e6 { [%eval 0.34] [%clk 1:30:16] } 3. d4 { [%eval 0.42] [%clk 1:31:40] } 3... cxd4 { [%eval 0.26] [%clk 1:30:41] } 4. Nxd4 { [%eval 0.4] [%clk 1:32:07] } 4... Nc6 { [%eval 0.5] [%clk 1:31:05] } 5. Nc3 { [%eval 0.33] [%clk 1:27:45] } 5... Qc7 { [%eval 0.56] [%clk 1:31:30] } 6. Be3 { [%eval 0.28] [%clk 1:23:41] } 6... a6 { [%eval 0.0] [%clk 1:31:55] } 7. Qd2 { [%eval 0.09] [%clk 1:17:00] } 7... Nf6 { [%eval 0.01] [%clk 1:32:19] } 8. f3 { [%eval 0.49] [%clk 1:14:43] } 8... Ne5 { [%eval 0.34] [%clk 1:32:44] } 9. Bd3?! { [%eval -0.47] } { Inaccuracy. O-O-O was best. } { [%clk 0:53:43] } 9... b5 { [%eval -0.56] [%clk 1:24:42] } 10. O-O-O { [%eval -0.75] [%clk 0:47:13] } 10... Bb7 { [%eval -0.37] [%clk 1:21:07] } 11. Kb1 { [%eval -0.31] [%clk 0:42:02] } 11... d5 { [%eval -0.03] [%clk 0:55:19] } 12. exd5 { [%eval -0.32] [%clk 0:39:03] } 12... Nxd5? { [%eval 0.95] } { Mistake. Nxd3 was best. } { [%clk 0:42:28] } 13. Nxd5 { [%eval 0.72] [%clk 0:38:24] } 13... Bxd5 { [%eval 1.06] [%clk 0:42:56] } 14. Rhe1? { [%eval -0.34] } { Mistake. Bf4 was best. } { [%clk 0:35:11] } 14... Nxd3 { [%eval -0.41] [%clk 0:29:56] } 15. Qxd3 { [%eval -0.41] [%clk 0:35:07] } 15... Bb4 { [%eval -0.08] [%clk 0:28:26] } 16. c3 { [%eval -0.41] [%clk 0:32:19] } 16... Bc5?? { [%eval 2.53] } { Blunder. Bd6 was best. } { [%clk 0:26:55] } 17. Nxb5 { [%eval 2.39] [%clk 0:21:00] } 17... Qa5?? { [%eval 5.14] } { Blunder. axb5 was best. } { [%clk 0:27:05] } 18. Bxc5 { [%eval 5.3] [%clk 0:16:15] } 18... Bxa2+ { [%eval 5.42] [%clk 0:10:41] } 19. Kc1 { [%eval 7.06] [%clk 0:16:18] } 19... Qxb5 { [%eval 5.87] [%clk 0:11:03] } 20. Qd6 { [%eval 7.26] [%clk 0:16:09] } 20... Qb7 { [%eval 5.27] [%clk 0:11:21] } 21. Re4 { [%eval 8.57] [%clk 0:15:25] } 21... a5 { [%eval 8.48] [%clk 0:10:42] } 22. c4 { [%eval 8.38] [%clk 0:13:53] } 22... Ra6? { [%eval #1] } { Checkmate is now unavoidable. Bxc4 was best. } { [%clk 0:10:39] } 23. Qd8# 1-0