Event: Round 2: Kenneth Willenberg - Jan Karsten
Date: 2023-09-30
White: Kenneth Willenberg
WhiteTitle: CM
WhiteElo: 1890
Black: Jan Karsten
BlackTitle: IM
BlackElo: 2249
Result: 0-1
ECO: B51
Opening: Sicilian Defense: Moscow Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:35:53] } 1... c5 { [%eval 0.32] [%clk 1:35:56] } 2. Nf3 { [%eval 0.0] [%clk 1:36:10] } 2... d6 { [%eval 0.0] [%clk 1:36:22] } 3. Bb5+ { [%eval 0.0] [%clk 1:36:15] } 3... Nd7 { [%eval 0.24] [%clk 1:36:39] } 4. d4 { [%eval 0.15] [%clk 1:36:22] } 4... cxd4 { [%eval 0.19] [%clk 1:37:05] } 5. Qxd4 { [%eval 0.21] [%clk 1:36:27] } 5... a6 { [%eval 0.23] [%clk 1:37:27] } 6. Be2 { [%eval 0.11] [%clk 1:36:52] } 6... Ngf6 { [%eval 0.16] [%clk 1:36:52] } 7. O-O { [%eval 0.25] [%clk 1:35:32] } 7... e5 { [%eval 0.27] [%clk 1:36:52] } 8. Qe3 { [%eval 0.16] [%clk 1:35:54] } 8... Nc5 { [%eval 0.15] [%clk 1:37:10] } 9. Nfd2 { [%eval 0.23] [%clk 1:33:26] } 9... Be7 { [%eval 0.19] [%clk 1:37:02] } 10. Rd1 { [%eval -0.12] [%clk 1:32:18] } 10... O-O { [%eval 0.04] [%clk 1:35:01] } 11. a4 { [%eval -0.41] [%clk 1:29:07] } 11... Bd7?! { [%eval 0.31] } { Inaccuracy. d5 was best. } { [%clk 1:08:03] } 12. Nc3 { [%eval 0.16] [%clk 1:18:11] } 12... Bc6 { [%eval 0.18] [%clk 1:05:46] } 13. b4 { [%eval 0.19] [%clk 1:03:20] } 13... Ne6 { [%eval 0.21] [%clk 1:01:16] } 14. Nb3 { [%eval 0.45] [%clk 0:58:58] } 14... Qc7 { [%eval 0.48] [%clk 0:49:39] } 15. Bb2 { [%eval 0.2] [%clk 0:45:17] } 15... Nf4 { [%eval 0.25] [%clk 0:46:12] } 16. Bf3? { [%eval -0.86] } { Mistake. Bf1 was best. } { [%clk 0:44:31] } 16... Bd7 { [%eval -0.86] [%clk 0:36:55] } 17. Rac1 { [%eval -1.17] [%clk 0:33:08] } 17... Qc4 { [%eval -0.92] [%clk 0:28:17] } 18. Qb6 { [%eval -1.13] [%clk 0:30:57] } 18... Qc8 { [%eval -0.86] [%clk 0:27:06] } 19. b5?! { [%eval -1.53] } { Inaccuracy. Nd2 was best. } { [%clk 0:19:20] } 19... Be6 { [%eval -1.03] [%clk 0:23:27] } 20. Qe3 { [%eval -1.3] [%clk 0:16:08] } 20... Ng4 { [%eval -1.14] [%clk 0:19:32] } 21. Bxg4?! { [%eval -1.86] } { Inaccuracy. Qd2 was best. } { [%clk 0:13:45] } 21... Bxg4 { [%eval -1.51] [%clk 0:19:53] } 22. f3 { [%eval -1.56] [%clk 0:14:10] } 22... Be6 { [%eval -1.89] [%clk 0:20:01] } 23. Rd2? { [%eval -4.0] } { Mistake. b6 was best. } { [%clk 0:13:02] } 23... Bg5 { [%eval -4.23] [%clk 0:19:03] } 24. Qb6?! { [%eval -5.36] } { Inaccuracy. Qf2 was best. } { [%clk 0:12:52] } 24... Ng6 { [%eval -4.33] [%clk 0:17:55] } 25. Nd5?! { [%eval -6.09] } { Inaccuracy. Rcd1 was best. } { [%clk 0:12:30] } 25... Bxd2 { [%eval -5.77] [%clk 0:17:39] } 26. Nxd2 { [%eval -5.8] [%clk 0:12:52] } 26... Bxd5 { [%eval -5.45] [%clk 0:17:47] } 27. exd5 { [%eval -5.99] [%clk 0:13:16] } 27... axb5 { [%eval -4.96] [%clk 0:17:19] } 28. Qxb5 { [%eval -5.0] [%clk 0:12:34] } 28... Qc7 { [%eval -4.08] [%clk 0:16:51] } 29. Nb3 { [%eval -5.01] [%clk 0:12:43] } 29... Rfd8 { [%eval -4.9] [%clk 0:13:21] } 30. c4 { [%eval -4.6] [%clk 0:11:17] } 30... Qd7 { [%eval -4.28] [%clk 0:12:56] } 31. Bc3?! { [%eval -6.29] } { Inaccuracy. Qxd7 was best. } { [%clk 0:09:50] } 31... Nf4 { [%eval -5.68] [%clk 0:12:02] } 0-1