Event: Round 6: Aaron Jacobson - Derek Clasby
Date: 2023-08-14
White: Aaron Jacobson
WhiteTitle: FM
Black: Derek Clasby
Result: 1-0
ECO: D85
Opening: Grünfeld Defense: Exchange Variation, Modern Exchange Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:39:25] } 1... Nf6 { [%eval 0.28] [%clk 1:40:38] } 2. c4 { [%eval 0.16] [%clk 1:39:50] } 2... g6 { [%eval 0.3] [%clk 1:40:48] } 3. Nc3 { [%eval 0.31] [%clk 1:40:04] } 3... d5 { [%eval 0.2] [%clk 1:40:59] } 4. cxd5 { [%eval 0.4] [%clk 1:37:47] } 4... Nxd5 { [%eval 0.22] [%clk 1:41:18] } 5. e4 { [%eval 0.23] [%clk 1:38:11] } 5... Nxc3 { [%eval 0.21] [%clk 1:41:32] } 6. bxc3 { [%eval 0.0] [%clk 1:38:36] } 6... Bg7 { [%eval 0.23] [%clk 1:41:49] } 7. Nf3 { [%eval 0.0] [%clk 1:38:40] } 7... c5 { [%eval 0.13] [%clk 1:41:18] } 8. Rb1 { [%eval 0.36] [%clk 1:37:58] } 8... O-O { [%eval 0.27] [%clk 1:40:24] } 9. Be2 { [%eval 0.45] [%clk 1:38:15] } 9... Qa5 { [%eval 0.68] [%clk 1:39:22] } 10. Rb5?! { [%eval -0.12] } { Inaccuracy. O-O was best. } { [%clk 1:33:15] } 10... Qxa2 { [%eval 0.34] [%clk 1:31:03] } 11. Rxc5 { [%eval 0.41] [%clk 1:31:42] } 11... Nd7 { [%eval 0.31] [%clk 1:24:32] } 12. Rb5 { [%eval 0.36] [%clk 1:16:00] } 12... a6 { [%eval 0.47] [%clk 1:20:01] } 13. Rb3 { [%eval 0.47] [%clk 1:12:42] } 13... Qa5 { [%eval 0.74] [%clk 1:14:04] } 14. h4 { [%eval 0.84] [%clk 1:04:37] } 14... e5 { [%eval 0.98] [%clk 1:02:03] } 15. Kf1? { [%eval -0.14] } { Mistake. h5 was best. } { [%clk 0:55:45] } 15... Qa4?! { [%eval 0.5] } { Inaccuracy. h6 was best. } { [%clk 0:50:17] } 16. h5 { [%eval 0.53] [%clk 0:54:06] } 16... Rd8 { [%eval 0.92] [%clk 0:37:25] } 17. Qc2 { [%eval 0.78] [%clk 0:42:03] } 17... b5 { [%eval 1.07] [%clk 0:29:15] } 18. hxg6 { [%eval 1.05] [%clk 0:39:58] } 18... hxg6 { [%eval 0.94] [%clk 0:29:33] } 19. Qb2 { [%eval 0.9] [%clk 0:20:35] } 19... exd4? { [%eval 2.31] } { Mistake. Qa5 was best. } { [%clk 0:16:57] } 20. cxd4 { [%eval 2.54] [%clk 0:20:05] } 20... Nb6 { [%eval 2.94] [%clk 0:16:41] } 21. Bh6 { [%eval 2.96] [%clk 0:18:20] } 21... Nc4?! { [%eval 4.25] } { Inaccuracy. Bh8 was best. } { [%clk 0:14:23] } 22. Qc3? { [%eval 2.35] } { Mistake. Bxg7 was best. } { [%clk 0:17:34] } 22... Bg4?! { [%eval 3.78] } { Inaccuracy. Qa5 was best. } { [%clk 0:03:48] } 23. Bxg7 { [%eval 3.87] [%clk 0:15:06] } 23... Bxf3?! { [%eval 5.23] } { Inaccuracy. Kxg7 was best. } { [%clk 0:02:27] } 24. Bf6 { [%eval 5.37] [%clk 0:11:28] } 24... Bh5 { [%eval 5.6] [%clk 0:02:10] } 25. Bxh5 { [%eval 4.57] [%clk 0:09:33] } 25... Rd6 { [%eval 4.35] [%clk 0:02:01] } 26. Bd1 { [%eval 4.8] [%clk 0:03:57] } 26... Rxf6 { [%eval 4.43] [%clk 0:02:09] } 27. d5 { [%eval 5.34] [%clk 0:03:55] } 27... Nd2+ { [%eval 5.78] [%clk 0:00:50] } 28. Qxd2 { [%eval 6.0] [%clk 0:03:54] } 28... Qc4+?! { [%eval 8.37] } { Inaccuracy. Qa1 was best. } { [%clk 0:00:57] } 29. Kg1 { [%eval 8.16] [%clk 0:03:54] } 29... Qxe4 { [%eval 8.97] [%clk 0:00:51] } 30. Rbh3 { [%eval 9.47] [%clk 0:03:56] } 30... Rf8? { [%eval #2] } { Checkmate is now unavoidable. Rf4 was best. } { [%clk 0:00:49] } 31. Rh8+ { [%eval #1] [%clk 0:04:19] } 31... Kg7 { [%eval #1] [%clk 0:01:14] } 32. R1h7# 1-0