Event: Round 9: Krefenstein, Sergej - Jahnz, Fabian
Date: 2025-04-27
White: Krefenstein, Sergej
WhiteElo: 2014
Black: Jahnz, Fabian
BlackTitle: FM
BlackElo: 2242
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:28:46] } 1... c5 { [%eval 0.25] [%clk 1:30:31] } 2. Nf3 { [%eval 0.2] [%clk 1:29:08] } 2... Nc6 { [%eval 0.25] [%clk 1:30:49] } 3. Bb5 { [%eval 0.17] [%clk 1:29:26] } 3... e6 { [%eval 0.2] [%clk 1:30:58] } 4. Bxc6 { [%eval 0.3] [%clk 1:29:49] } 4... bxc6 { [%eval 0.23] [%clk 1:31:17] } 5. d3 { [%eval 0.28] [%clk 1:30:04] } 5... Ne7 { [%eval 0.33] [%clk 1:30:56] } 6. O-O { [%eval -0.04] [%clk 1:28:44] } 6... Ng6 { [%eval -0.04] [%clk 1:30:50] } 7. b3 { [%eval -0.23] [%clk 1:24:24] } 7... e5 { [%eval -0.24] [%clk 1:30:03] } 8. Bb2 { [%eval -0.65] [%clk 1:20:28] } 8... d6 { [%eval -0.58] [%clk 1:29:51] } 9. c3 { [%eval -1.13] [%clk 1:20:06] } 9... Be7 { [%eval -0.66] [%clk 1:05:26] } 10. d4 { [%eval -0.38] [%clk 1:17:24] } 10... Ba6 { [%eval -0.24] [%clk 0:59:30] } 11. Re1 { [%eval -0.15] [%clk 1:17:22] } 11... Nf4 { [%eval 0.0] [%clk 0:56:15] } 12. Re3?! { [%eval -0.86] } { Inaccuracy. Bc1 was best. } { [%clk 1:14:02] } 12... f6 { [%eval -0.75] [%clk 0:52:14] } 13. g3 { [%eval -0.68] [%clk 1:07:09] } 13... Ne6 { [%eval -0.22] [%clk 0:49:48] } 14. d5 { [%eval 0.02] [%clk 1:02:17] } 14... cxd5 { [%eval 0.05] [%clk 0:49:35] } 15. Qxd5? { [%eval -1.4] } { Mistake. exd5 was best. } { [%clk 1:02:40] } 15... Nc7 { [%eval -1.01] [%clk 0:47:07] } 16. Qd2?! { [%eval -1.63] } { Inaccuracy. Qc6+ was best. } { [%clk 0:55:20] } 16... d5 { [%eval -1.66] [%clk 0:46:20] } 17. exd5 { [%eval -1.73] [%clk 0:54:56] } 17... Nxd5 { [%eval -1.64] [%clk 0:46:22] } 18. Re1 { [%eval -1.58] [%clk 0:54:49] } 18... Bb7 { [%eval -1.41] [%clk 0:46:04] } 19. Nh4 { [%eval -1.63] [%clk 0:51:09] } 19... Qc8 { [%eval -1.71] [%clk 0:43:02] } 20. c4?! { [%eval -2.68] } { Inaccuracy. Qd3 was best. } { [%clk 0:49:58] } 20... Nf4 { [%eval -2.81] [%clk 0:30:31] } 21. Nc3 { [%eval -3.03] [%clk 0:46:30] } 21... g5 { [%eval -2.86] [%clk 0:27:46] } 22. gxf4 { [%eval -3.03] [%clk 0:44:49] } 22... gxh4 { [%eval -3.02] [%clk 0:23:24] } 23. Nd5?! { [%eval -3.96] } { Inaccuracy. Re3 was best. } { [%clk 0:43:46] } 23... Qh3 { [%eval -3.83] [%clk 0:23:07] } 24. Kh1?? { [%eval #-3] } { Checkmate is now unavoidable. Re3 was best. } { [%clk 0:42:28] } 24... Rg8 { [%eval #-2] [%clk 0:22:06] } 25. Rg1 { [%eval #-2] [%clk 0:41:28] } 25... Qf3+ { [%eval #-1] [%clk 0:21:51] } 0-1