Event: Round 4: Rainer Knaak - John D M Nunn
Date: 2023-09-22
White: Rainer Knaak
WhiteTitle: GM
WhiteElo: 2438
Black: John D M Nunn
BlackTitle: GM
BlackElo: 2569
Result: 1/2-1/2
ECO: E71
Opening: King's Indian Defense: Makogonov Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... Nf6 { [%eval 0.28] [%clk 1:30:51] } 2. c4 { [%eval 0.16] [%clk 1:31:18] } 2... g6 { [%eval 0.3] [%clk 1:31:14] } 3. Nc3 { [%eval 0.31] [%clk 1:31:40] } 3... Bg7 { [%eval 0.7] [%clk 1:31:39] } 4. e4 { [%eval 0.67] [%clk 1:31:57] } 4... d6 { [%eval 0.67] [%clk 1:32:03] } 5. h3 { [%eval 0.48] [%clk 1:32:13] } 5... O-O { [%eval 0.69] [%clk 1:32:17] } 6. Be3 { [%eval 0.63] [%clk 1:32:30] } 6... Nbd7 { [%eval 0.7] [%clk 1:26:50] } 7. g4 { [%eval 0.29] [%clk 1:32:34] } 7... e5 { [%eval 0.62] [%clk 1:24:05] } 8. d5 { [%eval 0.73] [%clk 1:32:47] } 8... Nc5 { [%eval 0.83] [%clk 1:24:18] } 9. f3 { [%eval 0.6] [%clk 1:32:58] } 9... a5 { [%eval 0.64] [%clk 1:24:07] } 10. Qd2 { [%eval 0.68] [%clk 1:33:09] } 10... Nfd7?! { [%eval 1.69] } { Inaccuracy. c6 was best. } { [%clk 1:20:38] } 11. h4 { [%eval 1.69] [%clk 1:30:54] } 11... f5 { [%eval 1.4] [%clk 1:20:10] } 12. gxf5 { [%eval 1.74] [%clk 1:31:00] } 12... gxf5 { [%eval 1.77] [%clk 1:20:34] } 13. h5?! { [%eval 0.76] } { Inaccuracy. exf5 was best. } { [%clk 1:20:03] } 13... Nb6?! { [%eval 1.37] } { Inaccuracy. f4 was best. } { [%clk 1:13:16] } 14. O-O-O { [%eval 1.02] [%clk 1:13:28] } 14... Kh8 { [%eval 1.09] [%clk 1:08:06] } 15. Nh3 { [%eval 1.21] [%clk 1:07:17] } 15... Bd7?! { [%eval 1.84] } { Inaccuracy. f4 was best. } { [%clk 0:57:19] } 16. Nf2 { [%eval 1.49] [%clk 0:59:45] } 16... Nba4 { [%eval 1.72] [%clk 0:46:03] } 17. Nd3?? { [%eval -0.02] } { Blunder. Nxa4 was best. } { [%clk 0:50:01] } 17... Nxc3 { [%eval 0.35] [%clk 0:36:04] } 18. Qxc3 { [%eval 0.0] [%clk 0:50:09] } 18... Na4?! { [%eval 0.55] } { Inaccuracy. Nxd3+ was best. } { [%clk 0:35:21] } 19. Qc2 { [%eval 0.59] [%clk 0:43:38] } 19... fxe4?! { [%eval 1.35] } { Inaccuracy. f4 was best. } { [%clk 0:33:29] } 20. fxe4 { [%eval 1.34] [%clk 0:44:01] } 20... Bf6 { [%eval 1.11] [%clk 0:33:42] } 21. Bh3 { [%eval 0.74] [%clk 0:27:58] } 21... Bg5 { [%eval 0.54] [%clk 0:32:37] } 22. Qd2 { [%eval 0.58] [%clk 0:28:15] } 22... Bxe3 { [%eval 0.56] [%clk 0:32:03] } 23. Qxe3 { [%eval 0.33] [%clk 0:28:42] } 23... Nb6 { [%eval 0.5] [%clk 0:30:58] } 24. b3 { [%eval 0.0] [%clk 0:28:53] } 24... a4 { [%eval 0.18] [%clk 0:30:25] } 1/2-1/2