Event: Schweizer Jugend Einzelmeisterschaft 2023 U16
Site: Olten, Switzerland
Date: 2023-05-26
White: Kostov, Kyrill
Black: Kwiatkowski, Jakub
Result: 0-1
ECO: B96
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 90 min + 30 sek pro Zug

1. e4 { [%eval 0.36] [%clk 1:30:30] } 1... c5 { [%eval 0.32] [%clk 1:30:53] } 2. Nf3 { [%eval 0.0] [%clk 1:29:48] } 2... d6 { [%eval 0.0] [%clk 1:30:35] } 3. d4 { [%eval 0.25] [%clk 1:29:52] } 3... cxd4 { [%eval 0.13] [%clk 1:30:59] } 4. Nxd4 { [%eval 0.27] [%clk 1:30:09] } 4... Nf6 { [%eval 0.3] [%clk 1:31:22] } 5. Nc3 { [%eval 0.21] [%clk 1:30:32] } 5... a6 { [%eval 0.39] [%clk 1:31:48] } 6. Bg5 { [%eval 0.0] [%clk 1:30:48] } 6... e6 { [%eval 0.34] [%clk 1:32:12] } 7. f4 { [%eval 0.1] [%clk 1:31:04] } 7... Nbd7 { [%eval 0.21] [%clk 1:32:28] } 8. Qf3 { [%eval 0.27] [%clk 1:31:16] } 8... Qc7 { [%eval 0.34] [%clk 1:32:52] } 9. O-O-O { [%eval 0.3] [%clk 1:31:36] } 9... b5 { [%eval 0.46] [%clk 1:33:17] } 10. Bd3 { [%eval 0.34] [%clk 1:31:49] } 10... Bb7 { [%eval 0.14] [%clk 1:33:41] } 11. Rhe1 { [%eval 0.11] [%clk 1:32:13] } 11... Qb6 { [%eval 0.4] [%clk 1:34:04] } 12. Nb3 { [%eval 0.35] [%clk 1:30:37] } 12... Be7 { [%eval 0.3] [%clk 1:31:11] } 13. Kb1?! { [%eval -0.29] } { Inaccuracy. Qh3 was best. } { [%clk 1:29:38] } 13... b4 { [%eval -0.45] [%clk 1:30:36] } 14. Ne2 { [%eval -0.36] [%clk 1:28:42] } 14... a5 { [%eval -0.38] [%clk 1:29:46] } 15. Bh4?! { [%eval -0.96] } { Inaccuracy. Nd2 was best. } { [%clk 1:21:28] } 15... a4 { [%eval -0.93] [%clk 1:26:32] } 16. Bf2 { [%eval -0.93] [%clk 1:21:00] } 16... Qc7 { [%eval -0.96] [%clk 1:25:35] } 17. Nbd4 { [%eval -1.34] [%clk 1:20:57] } 17... Nc5 { [%eval -0.87] [%clk 1:23:23] } 18. Nb5 { [%eval -0.81] [%clk 1:18:41] } 18... Qb6 { [%eval -0.4] [%clk 1:21:46] } 19. Ned4? { [%eval -2.07] } { Mistake. f5 was best. } { [%clk 1:12:28] } 19... O-O { [%eval -1.91] [%clk 1:17:24] } 20. g4 { [%eval -1.92] [%clk 1:08:23] } 20... d5 { [%eval -1.39] [%clk 1:09:11] } 21. e5 { [%eval -1.5] [%clk 1:05:03] } 21... Nfe4 { [%eval -1.7] [%clk 1:09:25] } 22. Bxe4 { [%eval -2.08] [%clk 0:54:04] } 22... Nxe4 { [%eval -2.25] [%clk 1:07:08] } 23. Bg1 { [%eval -2.84] [%clk 0:50:59] } 23... Bc5 { [%eval -2.73] [%clk 1:04:37] } 24. f5 { [%eval -3.19] [%clk 0:44:34] } 24... a3?! { [%eval -2.17] } { Inaccuracy. Ba6 was best. } { [%clk 0:54:49] } 25. fxe6 { [%eval -2.5] [%clk 0:39:52] } 25... fxe6 { [%eval -2.22] [%clk 0:53:13] } 26. Qb3 { [%eval -2.63] [%clk 0:39:39] } 26... Kh8 { [%eval -2.44] [%clk 0:45:55] } 27. Nd6 { [%eval -2.71] [%clk 0:23:23] } 27... Bxd6 { [%eval -2.78] [%clk 0:35:12] } 28. exd6?! { [%eval -3.57] } { Inaccuracy. Nxe6 was best. } { [%clk 0:22:28] } 28... Qxd6 { [%eval -3.61] [%clk 0:35:22] } 29. Nf3 { [%eval -4.12] [%clk 0:18:34] } 29... Qf4 { [%eval -3.93] [%clk 0:32:16] } 30. Re3?! { [%eval -6.15] } { Inaccuracy. Nd4 was best. } { [%clk 0:15:46] } 30... Ba6 { [%eval -5.6] [%clk 0:30:05] } 31. h3 { [%eval -5.72] [%clk 0:10:49] } 31... Bc4 { [%eval -5.78] [%clk 0:25:00] } 32. Qxb4 { [%eval -4.89] [%clk 0:11:02] } 32... Bxa2+ { [%eval -4.95] [%clk 0:21:35] } 33. Kxa2 { [%eval -5.03] [%clk 0:05:44] } 33... axb2+ { [%eval -5.21] [%clk 0:22:03] } 34. Ra3?! { [%eval -8.83] } { Inaccuracy. Kxb2 was best. } { [%clk 0:05:39] } 34... Qxf3?! { [%eval -5.57] } { Inaccuracy. Qc1 was best. } { [%clk 0:22:10] } 35. Rd3 { [%eval -5.99] [%clk 0:05:29] } 35... Qf1 { [%eval -5.74] [%clk 0:21:57] } 36. Kxb2 { [%eval -5.76] [%clk 0:02:41] } 36... Qxg1 { [%eval -5.82] [%clk 0:21:06] } 37. Rf3 { [%eval -5.82] [%clk 0:02:54] } 37... Qc5 { [%eval -5.4] [%clk 0:20:00] } 38. Qxc5 { [%eval -5.4] [%clk 0:02:50] } 38... Nxc5 { [%eval -5.29] [%clk 0:20:29] } 39. Kc1 { [%eval -5.23] [%clk 0:03:13] } 39... Kg8 { [%eval -5.32] [%clk 0:20:35] } 40. Ra1? { [%eval -11.92] } { Mistake. Rxf8+ was best. } 0-1