Event: Round 1: Kostowski, Ireneus, Dr. - Arp, Piotr Alexander
Date: 2024-08-01
White: Kostowski, Ireneus, Dr.
WhiteElo: 1875
Black: Arp, Piotr Alexander
BlackElo: 1875
Result: 0-1
ECO: B08
Opening: Pirc Defense: Classical Variation
Variant: Standard

1. d4 { [%eval 0.16] [%clk 1:30:56] } 1... Nf6 { [%eval 0.17] [%clk 1:30:54] } 2. Nf3 { [%eval 0.1] [%clk 1:31:09] } 2... g6 { [%eval 0.26] [%clk 1:31:00] } 3. Nc3 { [%eval 0.0] [%clk 1:31:12] } 3... Bg7 { [%eval 0.29] [%clk 1:29:57] } 4. e4 { [%eval 0.16] [%clk 1:31:25] } 4... d6 { [%eval 0.4] [%clk 1:30:04] } 5. Be3 { [%eval 0.39] [%clk 1:31:37] } 5... O-O { [%eval 0.42] [%clk 1:28:43] } 6. Qd2 { [%eval 0.42] [%clk 1:31:24] } 6... Ng4 { [%eval 0.64] [%clk 1:27:19] } 7. Bg5 { [%eval 0.66] [%clk 1:30:44] } 7... h6 { [%eval 0.67] [%clk 1:25:18] } 8. h3 { [%eval 0.65] [%clk 1:28:24] } 8... Nxf2 { [%eval 0.41] [%clk 1:09:10] } 9. Qxf2 { [%eval 0.55] [%clk 1:09:18] } 9... hxg5 { [%eval 0.63] [%clk 1:09:24] } 10. Nxg5 { [%eval 0.66] [%clk 1:09:18] } 10... Bh6 { [%eval 0.64] [%clk 1:02:18] } 11. h4 { [%eval 0.74] [%clk 1:01:33] } 11... e5?! { [%eval 1.64] } { Inaccuracy. Nc6 was best. } { [%clk 0:55:39] } 12. Nd5?? { [%eval -0.88] } { Blunder. Bc4 was best. } { [%clk 0:40:40] } 12... f5?? { [%eval 2.86] } { Blunder. Nd7 was best. } { [%clk 0:45:18] } 13. Bc4 { [%eval 2.82] [%clk 0:35:15] } 13... Kg7 { [%eval 2.78] [%clk 0:40:46] } 14. Rf1?? { [%eval -0.4] } { Blunder. dxe5 was best. } { [%clk 0:28:28] } 14... c6 { [%eval -0.05] [%clk 0:38:29] } 15. Nc3?! { [%eval -0.98] } { Inaccuracy. Ne3 was best. } { [%clk 0:27:02] } 15... Bxg5 { [%eval -0.95] [%clk 0:38:09] } 16. hxg5 { [%eval -0.92] [%clk 0:25:52] } 16... Qxg5 { [%eval -1.04] [%clk 0:36:20] } 17. Rd1?! { [%eval -2.12] } { Inaccuracy. dxe5 was best. } { [%clk 0:23:48] } 17... b5?! { [%eval -1.27] } { Inaccuracy. Nd7 was best. } { [%clk 0:36:13] } 18. Bd3 { [%eval -1.4] [%clk 0:16:30] } 18... f4 { [%eval -1.38] [%clk 0:34:05] } 19. d5? { [%eval -3.17] } { Mistake. dxe5 was best. } { [%clk 0:15:04] } 19... b4 { [%eval -2.86] [%clk 0:31:11] } 20. Nb1?! { [%eval -3.64] } { Inaccuracy. Ne2 was best. } { [%clk 0:13:45] } 20... cxd5 { [%eval -3.42] [%clk 0:31:01] } 21. exd5 { [%eval -3.48] [%clk 0:13:38] } 21... Nd7 { [%eval -3.61] [%clk 0:24:13] } 22. Nd2 { [%eval -3.4] [%clk 0:13:27] } 22... Nc5 { [%eval -3.53] [%clk 0:24:05] } 23. Ne4 { [%eval -3.53] [%clk 0:07:40] } 23... Nxe4 { [%eval -3.54] [%clk 0:24:13] } 24. Bxe4 { [%eval -3.43] [%clk 0:07:55] } 24... Bf5 { [%eval -3.48] [%clk 0:23:01] } 25. Bxf5 { [%eval -3.22] [%clk 0:05:11] } 25... Qxf5 { [%eval -3.3] [%clk 0:21:14] } 26. Rh1 { [%eval -3.81] [%clk 0:03:41] } 26... f3?! { [%eval -2.35] } { Inaccuracy. Qe4+ was best. } { [%clk 0:15:57] } 27. Rd3? { [%eval -4.55] } { Mistake. Rd2 was best. } { [%clk 0:02:27] } 27... Qe4+ { [%eval -4.53] [%clk 0:14:12] } 28. Kd2? { [%eval -12.13] } { Mistake. Re3 was best. } { [%clk 0:01:03] } 28... fxg2 { [%eval -10.83] [%clk 0:11:07] } 29. Qh4?? { [%eval #-6] } { Checkmate is now unavoidable. Rh7+ was best. } { [%clk 0:00:37] } 29... gxh1=Q { [%eval #-5] [%clk 0:10:15] } 30. Rh3 { [%eval #-3] [%clk 0:00:33] } 30... Qxd5+ { [%eval #-3] [%clk 0:09:08] } 0-1