Event: Round 4: Rainer Knaak - Gerhard Staub
Date: 2023-10-28
White: Rainer Knaak
WhiteTitle: GM
WhiteElo: 2451
Black: Gerhard Staub
BlackElo: 2097
Result: 1-0
ECO: D12
Opening: Slav Defense: Quiet Variation, Schallopp Defense
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 1:30:50] } 1... d5 { [%eval 0.34] [%clk 1:30:49] } 2. d4 { [%eval 0.28] [%clk 1:31:01] } 2... Nf6 { [%eval 0.25] [%clk 1:31:10] } 3. c4 { [%eval 0.16] [%clk 1:31:18] } 3... c6 { [%eval 0.38] [%clk 1:31:32] } 4. e3 { [%eval 0.24] [%clk 1:30:54] } 4... Bf5 { [%eval 0.3] [%clk 1:31:28] } 5. Nc3 { [%eval 0.27] [%clk 1:31:14] } 5... e6 { [%eval 0.24] [%clk 1:31:27] } 6. Nh4 { [%eval 0.28] [%clk 1:31:34] } 6... Be4 { [%eval 0.29] [%clk 1:31:47] } 7. f3 { [%eval 0.33] [%clk 1:31:53] } 7... Bg6 { [%eval 0.4] [%clk 1:32:08] } 8. Bd2 { [%eval 0.25] } 8... Nbd7 { [%eval 0.3] [%clk 1:30:08] } 9. Nxg6 { [%eval 0.29] [%clk 1:26:44] } 9... hxg6 { [%eval 0.28] [%clk 1:30:32] } 10. Qb3 { [%eval 0.28] [%clk 1:26:50] } 10... Qb6 { [%eval 0.42] [%clk 1:30:40] } 11. Qc2 { [%eval 0.2] [%clk 1:27:14] } 11... dxc4 { [%eval 0.26] [%clk 1:26:56] } 12. Bxc4 { [%eval 0.22] [%clk 1:27:19] } 12... Nd5 { [%eval 0.52] [%clk 1:21:03] } 13. O-O-O { [%eval 0.23] [%clk 1:20:08] } 13... Nxc3 { [%eval 0.53] [%clk 1:20:04] } 14. Qxc3 { [%eval 0.46] [%clk 1:10:32] } 14... Nf6 { [%eval 0.68] [%clk 1:18:46] } 15. e4 { [%eval 0.64] [%clk 1:09:20] } 15... Be7 { [%eval 1.02] [%clk 1:16:20] } 16. Kb1 { [%eval 1.25] [%clk 1:01:20] } 16... O-O { [%eval 1.1] [%clk 1:12:18] } 17. Be3 { [%eval 1.18] [%clk 0:57:24] } 17... Qb4 { [%eval 1.42] [%clk 1:09:30] } 18. Qxb4 { [%eval 1.23] [%clk 0:55:52] } 18... Bxb4 { [%eval 1.15] [%clk 1:07:42] } 19. h4 { [%eval 1.16] [%clk 0:54:56] } 19... Rfd8 { [%eval 1.28] [%clk 0:54:13] } 20. g4 { [%eval 1.15] [%clk 0:51:15] } 20... b6?! { [%eval 2.35] } { Inaccuracy. Rd7 was best. } { [%clk 0:46:34] } 21. h5 { [%eval 1.76] [%clk 0:41:56] } 21... gxh5 { [%eval 1.91] [%clk 0:46:45] } 22. g5 { [%eval 1.68] [%clk 0:41:55] } 22... Nd7 { [%eval 1.98] [%clk 0:43:26] } 23. Rxh5 { [%eval 1.99] [%clk 0:33:18] } 23... g6 { [%eval 1.92] [%clk 0:43:38] } 24. Rh2 { [%eval 1.82] [%clk 0:32:16] } 24... Bf8 { [%eval 1.78] [%clk 0:43:58] } 25. f4 { [%eval 1.93] [%clk 0:31:00] } 25... b5 { [%eval 2.13] [%clk 0:37:02] } 26. Bb3 { [%eval 2.04] [%clk 0:30:08] } 26... Re8 { [%eval 2.49] [%clk 0:34:51] } 27. Rdh1 { [%eval 2.46] [%clk 0:25:53] } 27... Bg7 { [%eval 2.47] [%clk 0:35:13] } 28. Rc2 { [%eval 2.08] [%clk 0:26:07] } 28... Rad8?! { [%eval 3.0] } { Inaccuracy. Rac8 was best. } { [%clk 0:33:09] } 29. Rxc6 { [%eval 3.09] [%clk 0:20:48] } 29... Nb8 { [%eval 2.71] [%clk 0:33:32] } 30. Rc2 { [%eval 3.32] [%clk 0:20:50] } 30... Bxd4?! { [%eval 4.4] } { Inaccuracy. a5 was best. } { [%clk 0:33:52] } 31. Bxd4 { [%eval 4.47] [%clk 0:21:09] } 31... Rxd4 { [%eval 4.42] [%clk 0:34:17] } 32. Rch2 { [%eval 4.5] [%clk 0:21:29] } 32... Kf8 { [%eval 4.43] [%clk 0:34:36] } 33. Rh8+ { [%eval 4.57] [%clk 0:21:52] } 1-0