Event: Round 4: Knaak, Rainer - Kiolbasa, Oliwia
Date: 2025-04-29
White: Knaak, Rainer
WhiteTitle: GM
WhiteElo: 2472
Black: Kiolbasa, Oliwia
BlackTitle: IM
BlackElo: 2361
Result: 0-1
ECO: E52
Opening: Nimzo-Indian Defense: Normal Variation, Schlechter Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:27:19] } 2. c4 { [%eval 0.18] [%clk 1:31:13] } 2... e6 { [%eval 0.14] [%clk 1:27:43] } 3. Nf3 { [%eval 0.12] [%clk 1:31:10] } 3... d5 { [%eval 0.17] [%clk 1:28:05] } 4. Nc3 { [%eval 0.1] [%clk 1:31:22] } 4... Bb4 { [%eval 0.16] [%clk 1:28:14] } 5. e3 { [%eval 0.03] [%clk 1:28:02] } 5... O-O { [%eval 0.13] [%clk 1:26:15] } 6. Bd3 { [%eval 0.06] [%clk 1:28:20] } 6... b6 { [%eval 0.18] [%clk 1:24:44] } 7. O-O { [%eval 0.13] [%clk 1:28:06] } 7... Bb7 { [%eval 0.29] [%clk 1:20:31] } 8. cxd5 { [%eval 0.29] [%clk 1:27:56] } 8... exd5 { [%eval 0.29] [%clk 1:20:24] } 9. Ne5 { [%eval 0.27] [%clk 1:27:17] } 9... Bd6 { [%eval 0.31] [%clk 1:19:35] } 10. f4 { [%eval 0.35] [%clk 1:23:04] } 10... c5 { [%eval 0.27] [%clk 1:19:57] } 11. Qf3 { [%eval 0.23] [%clk 1:22:57] } 11... Nc6 { [%eval 0.18] [%clk 1:15:16] } 12. Qh3 { [%eval 0.16] [%clk 1:02:36] } 12... h6 { [%eval 0.28] [%clk 1:06:41] } 13. Bd2?! { [%eval -0.46] } { Inaccuracy. g4 was best. } { [%clk 0:58:14] } 13... cxd4 { [%eval -0.43] [%clk 1:04:42] } 14. Nxc6 { [%eval -0.42] [%clk 0:58:23] } 14... Bxc6 { [%eval -0.51] [%clk 1:05:04] } 15. exd4 { [%eval -0.45] [%clk 0:58:50] } 15... Ne4 { [%eval -0.42] [%clk 1:04:18] } 16. Bxe4 { [%eval -0.48] [%clk 0:58:15] } 16... dxe4 { [%eval -0.21] [%clk 1:04:40] } 17. f5 { [%eval -0.28] [%clk 0:58:32] } 17... Bc5 { [%eval -0.03] [%clk 0:56:36] } 18. dxc5 { [%eval 0.0] [%clk 0:44:29] } 18... Qxd2 { [%eval -0.05] [%clk 0:56:58] } 19. Rad1 { [%eval -0.06] [%clk 0:44:44] } 19... Qg5 { [%eval -0.08] [%clk 0:56:22] } 20. b4 { [%eval -0.08] [%clk 0:37:15] } 20... bxc5 { [%eval 0.0] [%clk 0:53:51] } 21. b5 { [%eval -0.01] [%clk 0:37:35] } 21... Bb7 { [%eval -0.03] [%clk 0:53:45] } 22. Rd7 { [%eval -0.09] [%clk 0:33:16] } 22... Rab8 { [%eval -0.1] [%clk 0:53:10] } 23. Na4?? { [%eval -2.1] } { Blunder. Qg3 was best. } { [%clk 0:22:51] } 23... e3 { [%eval -2.04] [%clk 0:38:24] } 24. Nxc5?? { [%eval -4.39] } { Blunder. Qg3 was best. } { [%clk 0:18:18] } 24... e2 { [%eval -4.13] [%clk 0:37:47] } 25. Re1 { [%eval -4.2] [%clk 0:18:44] } 25... Rfd8? { [%eval -1.98] } { Mistake. Rfc8 was best. } { [%clk 0:35:04] } 26. Rd3?? { [%eval -4.34] } { Blunder. Qg3 was best. } { [%clk 0:08:08] } 26... Rxd3 { [%eval -4.61] [%clk 0:32:18] } 27. Nxd3 { [%eval -4.66] [%clk 0:08:34] } 27... Re8 { [%eval -4.51] [%clk 0:32:20] } 28. Qg3 { [%eval -4.52] [%clk 0:05:25] } 28... Qxf5 { [%eval -4.49] [%clk 0:31:41] } 29. a4 { [%eval -4.66] [%clk 0:05:25] } 29... Qd5 { [%eval -4.24] [%clk 0:28:09] } 30. Nf4 { [%eval -4.55] [%clk 0:02:28] } 30... Qd4+ { [%eval -4.17] [%clk 0:28:16] } 31. Qf2 { [%eval -4.48] [%clk 0:02:53] } 31... Qxa4 { [%eval -4.43] [%clk 0:28:09] } 32. Rxe2 { [%eval -5.29] [%clk 0:02:56] } 32... Rxe2 { [%eval -5.27] [%clk 0:27:03] } 33. Nxe2 { [%eval -5.24] [%clk 0:03:18] } 33... Qxb5 { [%eval -5.06] [%clk 0:27:27] } 0-1