Event: Round 1: Paris Dorn - Aaron Jacobson
Date: 2023-06-09
White: Paris Dorn
Black: Aaron Jacobson
BlackTitle: FM
Result: 0-1
ECO: E20
Opening: Nimzo-Indian Defense: Kmoch Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:49] } 1... Nf6 { [%eval 0.28] [%clk 1:27:59] } 2. c4 { [%eval 0.16] [%clk 1:31:09] } 2... e6 { [%eval 0.23] [%clk 1:28:24] } 3. Nc3 { [%eval 0.05] [%clk 1:31:21] } 3... Bb4 { [%eval 0.25] [%clk 1:28:18] } 4. f3 { [%eval 0.0] [%clk 1:31:14] } 4... c5 { [%eval 0.0] [%clk 1:27:58] } 5. d5 { [%eval 0.0] [%clk 1:31:39] } 5... b5 { [%eval 0.0] [%clk 1:28:23] } 6. e4 { [%eval 0.05] [%clk 1:32:00] } 6... d6 { [%eval 0.0] [%clk 1:28:40] } 7. Bd2 { [%eval 0.0] [%clk 1:32:08] } 7... Bxc3 { [%eval 0.0] [%clk 1:27:27] } 8. Bxc3 { [%eval 0.04] [%clk 1:31:44] } 8... b4 { [%eval 0.15] [%clk 1:27:50] } 9. Bd2 { [%eval 0.13] [%clk 1:31:32] } 9... O-O { [%eval 0.14] [%clk 1:27:17] } 10. Ne2 { [%eval -0.11] [%clk 1:28:12] } 10... exd5 { [%eval -0.03] [%clk 1:26:35] } 11. cxd5 { [%eval 0.0] [%clk 1:28:26] } 11... Nh5 { [%eval 0.0] [%clk 1:26:53] } 12. Be3 { [%eval -0.24] [%clk 1:21:10] } 12... f5 { [%eval -0.34] [%clk 1:16:46] } 13. exf5 { [%eval -0.18] [%clk 1:02:27] } 13... Rxf5 { [%eval -0.22] [%clk 1:14:49] } 14. Qb3?! { [%eval -1.11] } { Inaccuracy. Ng3 was best. } { [%clk 0:39:05] } 14... Re5 { [%eval -1.04] [%clk 0:55:02] } 15. Kf2 { [%eval -1.13] [%clk 0:33:47] } 15... a5 { [%eval -0.99] [%clk 0:52:24] } 16. h4 { [%eval -1.48] [%clk 0:19:59] } 16... a4 { [%eval -1.66] [%clk 0:44:53] } 17. Qc2 { [%eval -1.53] [%clk 0:19:05] } 17... Qf6 { [%eval -1.13] [%clk 0:38:32] } 18. Rd1?! { [%eval -2.0] } { Inaccuracy. a3 was best. } { [%clk 0:13:58] } 18... a3 { [%eval -1.48] [%clk 0:18:24] } 19. bxa3 { [%eval -1.72] [%clk 0:10:54] } 19... Rxa3?! { [%eval -1.13] } { Inaccuracy. Bf5 was best. } { [%clk 0:16:20] } 20. Bc1 { [%eval -1.23] [%clk 0:11:02] } 20... Ra7 { [%eval -0.82] [%clk 0:08:40] } 21. Bb2?! { [%eval -1.41] } { Inaccuracy. Nd4 was best. } { [%clk 0:11:14] } 21... Bf5?? { [%eval 0.29] } { Blunder. Nd7 was best. } { [%clk 0:06:49] } 22. Qc4 { [%eval 0.43] [%clk 0:11:24] } 22... Nd7 { [%eval 0.26] [%clk 0:07:00] } 23. Rd2?? { [%eval -4.47] } { Blunder. g4 was best. } { [%clk 0:04:02] } 23... Qf7?? { [%eval -1.2] } { Blunder. Qh6 was best. } { [%clk 0:04:25] } 24. Bxe5?? { [%eval -3.53] } { Blunder. Nf4 was best. } { [%clk 0:03:24] } 24... Nxe5 { [%eval -3.62] [%clk 0:04:54] } 25. Qb5 { [%eval -4.32] [%clk 0:02:49] } 25... Ra8 { [%eval -3.65] [%clk 0:03:25] } 26. Kg1?! { [%eval -5.05] } { Inaccuracy. Ng3 was best. } { [%clk 0:02:16] } 26... Bb1? { [%eval -3.11] } { Mistake. Qa7 was best. } { [%clk 0:03:10] } 27. a4?! { [%eval -4.74] } { Inaccuracy. Qb6 was best. } { [%clk 0:00:47] } 27... Qa7 { [%eval -4.94] [%clk 0:03:00] } 28. Kh2 { [%eval -4.55] [%clk 0:00:51] } 28... Rb8 { [%eval -4.74] [%clk 0:03:22] } 29. Nd4 { [%eval -5.13] [%clk 0:00:31] } 29... Rxb5 { [%eval -4.39] [%clk 0:03:04] } 30. Nxb5 { [%eval -5.51] [%clk 0:00:58] } 30... Qe7 { [%eval -5.02] [%clk 0:02:11] } 31. Rd1?? { [%eval #-12] } { Checkmate is now unavoidable. a5 was best. } { [%clk 0:00:38] } 31... Bc2?? { [%eval -5.68] } { Lost forced checkmate sequence. Nxf3+ was best. } { [%clk 0:02:00] } 0-1