Event: Illinois Open
Site: https://lichess.org/broadcast/2025-illinois-open/round-4/lnEweuQd/fQhYB3xR
White: Yu, Matthew
WhiteTitle: CM
WhiteElo: 1912
Black: Tsyganov, Igor
BlackTitle: FM
BlackElo: 2166
Result: 1-0
ECO: B28
Opening: Sicilian Defense: O'Kelly Variation, Normal System, Taimanov Line
Variant: Standard
TimeControl: 90 minutes with 30 second increment

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.24] [%clk 1:11:34] } 2. Nf3 { [%eval 0.2] [%clk 1:31:16] } 2... a6 { [%eval 0.47] [%clk 1:11:28] } 3. d4 { [%eval 0.18] [%clk 1:29:34] } 3... cxd4 { [%eval 0.17] [%clk 1:11:50] } 4. Nxd4 { [%eval 0.16] [%clk 1:29:53] } 4... e5 { [%eval 0.27] [%clk 1:08:29] } 5. Nf3 { [%eval 0.31] [%clk 1:27:53] } 5... Nf6 { [%eval 0.28] [%clk 1:01:26] } 6. Bc4 { [%eval 0.27] [%clk 1:22:05] } 6... d6 { [%eval 0.42] [%clk 0:58:50] } 7. Ng5 { [%eval 0.52] [%clk 1:15:41] } 7... d5 { [%eval 0.43] [%clk 0:23:49] } 8. Bxd5 { [%eval 0.4] [%clk 1:14:34] } 8... Nxd5 { [%eval 0.52] [%clk 0:21:54] } 9. exd5 { [%eval 0.55] [%clk 1:13:39] } 9... Be7 { [%eval 0.99] [%clk 0:12:48] } 10. Ne4 { [%eval 0.96] [%clk 1:13:00] } 10... f5 { [%eval 0.91] [%clk 0:10:57] } 11. d6 { [%eval 1.04] [%clk 1:11:58] } 11... fxe4? { [%eval 2.43] } { Mistake. Nc6 was best. } { [%clk 0:04:08] } 12. Qh5+ { [%eval 2.53] [%clk 1:12:17] } 12... Kf8 { [%eval 2.53] [%clk 0:04:32] } 13. dxe7+ { [%eval 2.27] [%clk 1:12:40] } 13... Qxe7 { [%eval 2.52] [%clk 0:04:57] } 14. O-O { [%eval 2.09] [%clk 1:12:50] } 14... Nc6 { [%eval 2.18] [%clk 0:04:02] } 15. Nc3 { [%eval 2.03] [%clk 1:12:13] } 15... Be6 { [%eval 2.42] [%clk 0:03:43] } 16. Nxe4 { [%eval 2.37] [%clk 1:12:18] } 16... Kg8 { [%eval 2.77] [%clk 0:02:42] } 17. Bg5 { [%eval 2.13] [%clk 1:12:06] } 17... Qf7 { [%eval 2.19] [%clk 0:02:25] } 18. Qh4?! { [%eval 1.19] } { Inaccuracy. Qxf7+ was best. } { [%clk 1:12:00] } 18... h6?! { [%eval 2.25] } { Inaccuracy. Nd4 was best. } { [%clk 0:02:35] } 19. Be3 { [%eval 1.98] [%clk 1:12:20] } 19... g5?! { [%eval 2.78] } { Inaccuracy. Bf5 was best. } { [%clk 0:02:10] } 20. Qg3 { [%eval 2.77] [%clk 1:12:30] } 20... Qg7 { [%eval 3.39] [%clk 0:02:22] } 21. Rad1 { [%eval 3.45] [%clk 1:12:33] } 21... Kh7?! { [%eval 4.59] } { Inaccuracy. Ne7 was best. } { [%clk 0:02:34] } 22. Bxg5 { [%eval 4.66] [%clk 1:12:36] } 22... Raf8 { [%eval 4.62] [%clk 0:00:43] } 23. Rd6 { [%eval 4.55] [%clk 1:12:42] } 23... Nd4 { [%eval 4.71] [%clk 0:00:43] } 24. Rxd4? { [%eval 2.62] } { Mistake. Qd3 was best. } { [%clk 1:11:59] } 24... exd4 { [%eval 2.74] [%clk 0:01:07] } 25. Qh4 { [%eval 2.54] [%clk 1:12:17] } 25... Qg6?! { [%eval 3.83] } { Inaccuracy. Rhg8 was best. } { [%clk 0:00:59] } 26. Bf6 { [%eval 3.61] [%clk 1:12:05] } 26... Rxf6?! { [%eval 5.23] } { Inaccuracy. Bf5 was best. } { [%clk 0:00:36] } 27. Nxf6+ { [%eval 5.23] [%clk 1:12:25] } 27... Kg7 { [%eval 5.32] [%clk 0:01:04] } 28. Nh5+ { [%eval 5.2] [%clk 1:12:42] } 28... Kh7 { [%eval 5.4] [%clk 0:01:32] } 29. Nf4 { [%eval 5.23] [%clk 1:12:09] } 1-0