Event: Round 4: Jacobson, Brandon - Brodowski, Piotr
Date: 2025-06-29
White: Jacobson, Brandon
WhiteTitle: GM
WhiteElo: 2582
Black: Brodowski, Piotr
BlackTitle: IM
BlackElo: 2452
Result: 1-0
ECO: E20
Opening: Nimzo-Indian Defense: Kmoch Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:27:39] } 1... Nf6 { [%eval 0.19] [%clk 1:30:57] } 2. c4 { [%eval 0.18] [%clk 1:28:01] } 2... e6 { [%eval 0.14] [%clk 1:31:22] } 3. Nc3 { [%eval 0.09] [%clk 1:28:06] } 3... Bb4 { [%eval 0.09] [%clk 1:31:43] } 4. f3 { [%eval 0.0] [%clk 1:28:22] } 4... Ba5 { [%eval 0.32] [%clk 1:31:59] } 5. a3 { [%eval 0.0] [%clk 1:24:22] } 5... c5 { [%eval 0.0] [%clk 1:24:04] } 6. dxc5 { [%eval 0.0] [%clk 1:24:44] } 6... Bxc3+ { [%eval 0.0] [%clk 1:21:07] } 7. bxc3 { [%eval 0.0] [%clk 1:25:09] } 7... Qa5 { [%eval 0.0] [%clk 1:19:50] } 8. e4 { [%eval 0.1] [%clk 1:25:24] } 8... Qxc5 { [%eval 0.5] [%clk 1:18:34] } 9. Ne2 { [%eval 0.22] [%clk 1:19:58] } 9... e5? { [%eval 1.52] } { Mistake. Qxc4 was best. } { [%clk 1:07:20] } 10. a4 { [%eval 1.49] [%clk 1:13:57] } 10... Nc6 { [%eval 2.09] [%clk 0:57:20] } 11. Qd3?! { [%eval 1.22] } { Inaccuracy. Ba3 was best. } { [%clk 1:03:07] } 11... d6 { [%eval 1.23] [%clk 0:43:02] } 12. Ba3?! { [%eval 0.41] } { Inaccuracy. Be3 was best. } { [%clk 1:02:32] } 12... Qa5 { [%eval 0.31] [%clk 0:43:24] } 13. Bxd6 { [%eval 0.01] [%clk 1:02:41] } 13... Be6 { [%eval 0.07] [%clk 0:43:39] } 14. c5 { [%eval -0.4] [%clk 0:35:34] } 14... a6 { [%eval -0.32] [%clk 0:43:36] } 15. f4?! { [%eval -1.21] } { Inaccuracy. Nc1 was best. } { [%clk 0:34:44] } 15... exf4?? { [%eval 2.46] } { Blunder. O-O-O was best. } { [%clk 0:32:30] } 16. Nd4 { [%eval 2.76] [%clk 0:34:55] } 16... Nd8 { [%eval 2.89] [%clk 0:19:24] } 17. Be2 { [%eval 2.9] [%clk 0:31:17] } 17... Nd7 { [%eval 3.29] [%clk 0:19:49] } 18. Nf5 { [%eval 3.14] [%clk 0:30:55] } 18... Bxf5 { [%eval 3.2] [%clk 0:18:58] } 19. exf5 { [%eval 3.19] [%clk 0:31:19] } 19... Nc6 { [%eval 3.19] [%clk 0:19:09] } 20. Qe4+ { [%eval 2.49] [%clk 0:29:37] } 20... Kd8? { [%eval 4.5] } { Mistake. Nde5 was best. } { [%clk 0:16:29] } 21. Qc4 { [%eval 4.43] [%clk 0:20:39] } 21... Nde5?! { [%eval 5.7] } { Inaccuracy. Re8 was best. } { [%clk 0:11:25] } 22. Bxe5 { [%eval 5.6] [%clk 0:20:17] } 22... Nxe5 { [%eval 5.6] [%clk 0:11:52] } 23. Qd4+ { [%eval 5.5] [%clk 0:20:43] } 23... Nd7 { [%eval 6.0] [%clk 0:12:19] } 24. Rd1?! { [%eval 4.71] } { Inaccuracy. O-O-O was best. } { [%clk 0:21:10] } 24... Qc7 { [%eval 4.68] [%clk 0:12:44] } 25. f6 { [%eval 4.63] [%clk 0:21:38] } 25... Re8 { [%eval 4.71] [%clk 0:12:49] } 26. Kf2 { [%eval 4.54] [%clk 0:15:57] } 26... Rxe2+ { [%eval 5.13] [%clk 0:11:28] } 27. Kxe2 { [%eval 5.04] [%clk 0:16:24] } 27... g6? { [%eval 9.32] } { Mistake. gxf6 was best. } { [%clk 0:11:45] } 28. Rhe1 { [%eval 8.91] [%clk 0:13:35] } 28... Qc6? { [%eval #10] } { Checkmate is now unavoidable. Ke8 was best. } { [%clk 0:08:25] } 29. Kf1 { [%eval #11] [%clk 0:13:57] } 29... Kc7 { [%eval #11] [%clk 0:08:52] } 30. Qxf4+ { [%eval 10.76] [%clk 0:14:18] } 1-0