Event: Round 5: Sieber, Fiona - Kosak, Karolina
Site: https://lichess.org/broadcast/german-university-chess-championship-2025--rapid-board-1-100/round-5/a449ANYT/i3MHRvNs
Date: 2025-11-22
White: Sieber, Fiona
WhiteTitle: WGM
WhiteElo: 2194
Black: Kosak, Karolina
BlackElo: 1796
Result: 1-0
ECO: B52
Opening: Sicilian Defense: Moscow Variation, Main Line
Variant: Standard
TimeControl: 10+5

1. e4 { [%eval 0.18] [%clk 0:10:10] } 1... c5 { [%eval 0.25] [%clk 0:10:10] } 2. Nf3 { [%eval 0.2] [%clk 0:10:13] } 2... d6 { [%eval 0.31] [%clk 0:10:14] } 3. Bb5+ { [%eval 0.05] [%clk 0:10:18] } 3... Bd7 { [%eval 0.22] [%clk 0:10:15] } 4. Bxd7+ { [%eval 0.2] [%clk 0:10:21] } 4... Qxd7 { [%eval 0.15] [%clk 0:10:19] } 5. O-O { [%eval 0.11] [%clk 0:10:23] } 5... g6 { [%eval 0.15] [%clk 0:10:16] } 6. c3 { [%eval 0.28] [%clk 0:10:27] } 6... Bg7 { [%eval 0.1] [%clk 0:10:12] } 7. d4 { [%eval 0.27] [%clk 0:10:31] } 7... cxd4 { [%eval 0.5] [%clk 0:10:15] } 8. cxd4 { [%eval 0.48] [%clk 0:10:35] } 8... Nc6 { [%eval 0.6] [%clk 0:10:06] } 9. Nc3 { [%eval 0.61] [%clk 0:10:36] } 9... Nf6 { [%eval 0.44] [%clk 0:10:03] } 10. d5 { [%eval 0.51] [%clk 0:10:17] } 10... Ne5 { [%eval 0.57] [%clk 0:09:49] } 11. Nd4 { [%eval 0.38] [%clk 0:09:39] } 11... O-O { [%eval 0.67] [%clk 0:09:48] } 12. f4 { [%eval 0.59] [%clk 0:09:42] } 12... Nc4 { [%eval 0.65] [%clk 0:09:44] } 13. b3 { [%eval 0.67] [%clk 0:09:45] } 13... Nb6 { [%eval 0.71] [%clk 0:09:48] } 14. Bb2 { [%eval 0.88] [%clk 0:09:03] } 14... Rac8 { [%eval 0.84] [%clk 0:09:47] } 15. Qd3 { [%eval 0.81] [%clk 0:09:02] } 15... Rfd8 { [%eval 1.11] [%clk 0:09:40] } 16. Rfd1 { [%eval 0.77] [%clk 0:08:52] } 16... a6 { [%eval 0.88] [%clk 0:09:20] } 17. a4 { [%eval 0.57] [%clk 0:08:55] } 17... a5?! { [%eval 1.36] } { Inaccuracy. Qc7 was best. } { [%clk 0:09:11] } 18. Ncb5 { [%eval 1.04] [%clk 0:08:45] } 18... e6? { [%eval 2.58] } { Mistake. Qg4 was best. } { [%clk 0:09:10] } 19. dxe6 { [%eval 2.35] [%clk 0:08:42] } 19... fxe6 { [%eval 2.57] [%clk 0:09:13] } 20. Bc3 { [%eval 2.04] [%clk 0:08:25] } 20... d5? { [%eval 3.92] } { Mistake. e5 was best. } { [%clk 0:09:10] } 21. e5 { [%eval 3.91] [%clk 0:08:16] } 21... Ne4 { [%eval 3.82] [%clk 0:09:11] } 22. Bxa5 { [%eval 3.92] [%clk 0:08:10] } 22... Na8 { [%eval 4.58] [%clk 0:07:28] } 23. Bxd8 { [%eval 4.39] [%clk 0:08:09] } 23... Qxd8 { [%eval 5.33] [%clk 0:07:27] } 24. Rac1 { [%eval 5.26] [%clk 0:07:57] } 24... Nb6 { [%eval 6.42] [%clk 0:06:56] } 25. Nxe6 { [%eval 6.38] [%clk 0:07:50] } 25... Qd7 { [%eval 6.2] [%clk 0:06:48] } 26. Nxg7 { [%eval 6.0] [%clk 0:07:44] } 26... Kxg7 { [%eval 6.16] [%clk 0:06:52] } 27. Nc3 { [%eval 5.72] [%clk 0:07:10] } 27... Nxc3 { [%eval 6.4] [%clk 0:06:41] } 28. Rxc3 { [%eval 6.6] [%clk 0:07:13] } 28... d4 { [%eval 7.91] [%clk 0:06:20] } 29. Rxc8 { [%eval 7.72] [%clk 0:07:14] } 29... Qxc8 { [%eval 8.5] [%clk 0:06:24] } 30. Qxd4 { [%eval 8.96] [%clk 0:07:16] } 30... Qc6 { [%eval 8.68] [%clk 0:06:23] } 31. Qd6 { [%eval 7.36] [%clk 0:07:13] } 31... Qc2 { [%eval 7.24] [%clk 0:06:15] } 32. Qf6+ { [%eval 7.65] [%clk 0:07:07] } 32... Kh6 { [%eval 7.74] [%clk 0:06:18] } 33. Rf1 { [%eval 7.47] [%clk 0:06:37] } 33... Qc5+ { [%eval 7.79] [%clk 0:06:18] } 34. Kh1 { [%eval 7.69] [%clk 0:06:41] } 34... Nd5 { [%eval 8.25] [%clk 0:06:21] } 35. Qg5+ { [%eval 8.5] [%clk 0:06:30] } 35... Kg7 { [%eval 8.49] [%clk 0:06:24] } 36. f5 { [%eval 8.2] [%clk 0:06:29] } 36... Ne3 { [%eval 8.57] [%clk 0:06:26] } 37. f6+ { [%eval 8.98] [%clk 0:06:15] } 37... Kf7? { [%eval #9] } { Checkmate is now unavoidable. Kf8 was best. } { [%clk 0:06:29] } 38. e6+ { [%eval #8] [%clk 0:06:19] } 38... Kxe6 { [%eval #8] [%clk 0:06:32] } 39. Qxc5 { [%eval #7] [%clk 0:06:22] } 1-0