Event: Round 2: Koffeman, Timo - Popovic, Dusan
Date: 2024-02-29
White: Koffeman, Timo
WhiteElo: 2186
Black: Popovic, Dusan
BlackTitle: GM
BlackElo: 2499
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Adams Attack
Variant: Standard

1. e4 { [%eval 0.13] [%clk 1:30:55] } 1... c5 { [%eval 0.33] [%clk 1:30:54] } 2. Nf3 { [%eval 0.22] [%clk 1:31:19] } 2... d6 { [%eval 0.0] [%clk 1:31:18] } 3. d4 { [%eval 0.19] [%clk 1:31:43] } 3... cxd4 { [%eval 0.13] [%clk 1:31:42] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:08] } 4... Nf6 { [%eval 0.3] [%clk 1:32:05] } 5. Nc3 { [%eval 0.21] [%clk 1:32:28] } 5... a6 { [%eval 0.24] [%clk 1:32:31] } 6. h3 { [%eval 0.1] [%clk 1:32:52] } 6... e5 { [%eval 0.18] [%clk 1:32:19] } 7. Nb3 { [%eval 0.19] [%clk 1:32:05] } 7... Be7 { [%eval 0.0] [%clk 1:32:05] } 8. g4 { [%eval 0.39] [%clk 1:31:33] } 8... h6 { [%eval 0.46] [%clk 1:32:00] } 9. a4?! { [%eval -0.23] } { Inaccuracy. Be3 was best. } { [%clk 1:25:28] } 9... Be6 { [%eval -0.26] [%clk 1:28:22] } 10. Bg2 { [%eval -0.34] [%clk 1:25:02] } 10... Nc6 { [%eval 0.06] [%clk 1:24:32] } 11. Nd5 { [%eval -0.04] [%clk 1:20:49] } 11... Rc8 { [%eval -0.17] [%clk 1:21:54] } 12. Be3 { [%eval -0.33] [%clk 1:10:56] } 12... Bxd5?! { [%eval 0.26] } { Inaccuracy. Nd7 was best. } { [%clk 1:19:34] } 13. exd5 { [%eval 0.27] [%clk 1:11:18] } 13... Na5 { [%eval 0.26] [%clk 1:19:46] } 14. Nxa5 { [%eval 0.3] [%clk 1:06:38] } 14... Qxa5+ { [%eval 0.23] [%clk 1:19:29] } 15. Qd2 { [%eval 0.37] [%clk 1:05:51] } 15... Qd8 { [%eval 0.28] [%clk 1:10:25] } 16. Qb4 { [%eval 0.51] [%clk 0:51:22] } 16... Qc7 { [%eval 0.57] [%clk 1:03:53] } 17. O-O { [%eval 0.24] [%clk 0:47:51] } 17... Nd7 { [%eval 0.17] [%clk 1:01:35] } 18. a5 { [%eval 0.14] [%clk 0:46:58] } 18... Bg5 { [%eval 0.25] [%clk 0:58:47] } 19. f4?! { [%eval -0.64] } { Inaccuracy. Bxg5 was best. } { [%clk 0:43:25] } 19... exf4 { [%eval -0.71] [%clk 0:54:19] } 20. Rxf4? { [%eval -2.0] } { Mistake. Bxf4 was best. } { [%clk 0:34:27] } 20... O-O { [%eval -1.95] [%clk 0:46:26] } 21. Raf1 { [%eval -2.51] [%clk 0:31:58] } 21... Bxf4 { [%eval -2.47] [%clk 0:35:43] } 22. Qxf4 { [%eval -2.81] [%clk 0:31:22] } 22... Ne5 { [%eval -2.91] [%clk 0:34:24] } 23. Be4 { [%eval -2.85] [%clk 0:28:55] } 23... Qe7 { [%eval -2.39] [%clk 0:30:53] } 24. Bd4 { [%eval -2.19] [%clk 0:25:32] } 24... Ng6 { [%eval -2.34] [%clk 0:24:02] } 25. Qf5 { [%eval -2.14] [%clk 0:23:39] } 25... Rce8 { [%eval -1.99] [%clk 0:23:00] } 26. Bd3 { [%eval -1.98] [%clk 0:23:33] } 26... Qh4 { [%eval -2.05] [%clk 0:20:18] } 27. Kg2 { [%eval -2.1] [%clk 0:20:31] } 27... Re1 { [%eval -2.15] [%clk 0:18:50] } 28. Bf2?! { [%eval -2.85] } { Inaccuracy. Rf2 was best. } { [%clk 0:19:54] } 28... Rxf1 { [%eval -2.46] [%clk 0:18:44] } 29. Bxf1?! { [%eval -3.46] } { Inaccuracy. Kxf1 was best. } { [%clk 0:20:08] } 29... Qd8 { [%eval -3.42] [%clk 0:15:47] } 30. b4 { [%eval -3.86] [%clk 0:19:24] } 30... Nh4+ { [%eval -3.82] [%clk 0:10:53] } 31. Bxh4 { [%eval -3.8] [%clk 0:19:48] } 31... Qxh4 { [%eval -3.69] [%clk 0:11:21] } 32. Bd3 { [%eval -3.7] [%clk 0:19:57] } 32... g6 { [%eval -3.78] [%clk 0:11:13] } 33. Qd7 { [%eval -4.3] [%clk 0:20:09] } 33... Qf6 { [%eval -4.41] [%clk 0:07:32] } 34. Qxb7 { [%eval -4.63] [%clk 0:17:54] } 34... Re8 { [%eval -4.51] [%clk 0:07:30] } 35. Qxa6 { [%eval -5.47] [%clk 0:17:16] } 35... Re3 { [%eval -5.47] [%clk 0:07:25] } 36. Qc4?? { [%eval #-6] } { Checkmate is now unavoidable. Be2 was best. } { [%clk 0:13:46] } 36... Qf3+ { [%eval #-5] [%clk 0:07:40] } 37. Kg1 { [%eval #-5] [%clk 0:13:51] } 37... Qg3+ { [%eval #-4] [%clk 0:07:55] } 38. Kh1 { [%eval #-4] [%clk 0:14:00] } 38... Re1+?? { [%eval -6.65] } { Lost forced checkmate sequence. Qe1+ was best. } { [%clk 0:07:31] } 39. Bf1 { [%eval -6.59] [%clk 0:14:15] } 39... Qf2 { [%eval -6.33] [%clk 0:07:53] } 0-1