Event: Round 8: Chumfwa, Kelvin - Luanja, Geoffrey
Date: 2024-08-16
White: Chumfwa, Kelvin
WhiteTitle: IM
WhiteElo: 2135
Black: Luanja, Geoffrey
BlackTitle: FM
BlackElo: 2188
Result: 1-0
ECO: D97
Opening: Grünfeld Defense: Russian Variation, Szabo Variation
Variant: Standard

1. d4 { [%eval 0.16] [%clk 1:23:49] } 1... Nf6 { [%eval 0.17] [%clk 1:16:56] } 2. c4 { [%eval 0.14] [%clk 1:23:48] } 2... g6 { [%eval 0.25] [%clk 1:17:08] } 3. Nc3 { [%eval 0.21] [%clk 1:23:40] } 3... d5 { [%eval 0.22] [%clk 1:17:20] } 4. Nf3 { [%eval 0.32] [%clk 1:21:48] } 4... Bg7 { [%eval 0.35] [%clk 1:17:11] } 5. Qb3 { [%eval 0.31] [%clk 1:22:02] } 5... dxc4 { [%eval 0.32] [%clk 1:17:27] } 6. Qxc4 { [%eval 0.13] [%clk 1:22:29] } 6... O-O { [%eval 0.23] [%clk 1:17:45] } 7. e4 { [%eval 0.17] [%clk 1:22:38] } 7... c6 { [%eval 0.55] [%clk 1:17:33] } 8. Be2 { [%eval 0.55] [%clk 1:20:41] } 8... b5 { [%eval 0.6] [%clk 1:17:30] } 9. Qb3 { [%eval 0.59] [%clk 1:20:56] } 9... a5 { [%eval 0.59] [%clk 1:17:54] } 10. Qc2 { [%eval 0.65] [%clk 1:20:01] } 10... Bg4 { [%eval 0.81] [%clk 1:18:15] } 11. Be3 { [%eval 0.91] [%clk 1:20:16] } 11... Na6 { [%eval 1.19] [%clk 1:17:59] } 12. O-O { [%eval 1.05] [%clk 1:17:25] } 12... Qb8 { [%eval 1.51] [%clk 1:17:13] } 13. a3 { [%eval 1.11] [%clk 1:14:05] } 13... Nd7 { [%eval 1.68] [%clk 1:15:23] } 14. h3 { [%eval 1.78] [%clk 1:13:44] } 14... Bxf3 { [%eval 1.67] [%clk 1:15:38] } 15. Bxf3 { [%eval 1.83] [%clk 1:14:10] } 15... e5?! { [%eval 2.56] } { Inaccuracy. Nb6 was best. } { [%clk 1:15:25] } 16. dxe5? { [%eval 0.85] } { Mistake. d5 was best. } { [%clk 1:13:56] } 16... Nxe5 { [%eval 1.17] [%clk 1:15:26] } 17. Be2 { [%eval 1.2] [%clk 1:14:23] } 17... Re8 { [%eval 1.62] [%clk 1:13:09] } 18. Rad1 { [%eval 1.49] [%clk 1:12:11] } 18... Nc7 { [%eval 1.45] [%clk 1:13:11] } 19. b3 { [%eval 1.26] [%clk 1:07:02] } 19... a4 { [%eval 1.29] [%clk 1:12:29] } 20. bxa4 { [%eval 1.33] [%clk 1:07:21] } 20... Nc4 { [%eval 1.17] [%clk 1:12:30] } 21. Bc1?! { [%eval 0.08] } { Inaccuracy. Bxc4 was best. } { [%clk 1:07:09] } 21... Bxc3?? { [%eval 3.77] } { Blunder. Ne6 was best. } { [%clk 1:12:16] } 22. Qxc3 { [%eval 3.68] [%clk 1:06:11] } 22... Rxa4?! { [%eval 4.69] } { Inaccuracy. Rxe4 was best. } { [%clk 1:12:41] } 23. Qf6 { [%eval 4.56] [%clk 1:04:25] } 23... Ne5 { [%eval 5.41] [%clk 1:08:19] } 24. Bf3?! { [%eval 3.79] } { Inaccuracy. f4 was best. } { [%clk 0:59:00] } 24... Ra8?! { [%eval 4.83] } { Inaccuracy. Ra7 was best. } { [%clk 1:07:29] } 25. Bh6?? { [%eval 1.93] } { Blunder. Rd6 was best. } { [%clk 0:56:07] } 25... Ne6 { [%eval 1.94] [%clk 1:07:24] } 26. Be2 { [%eval 1.83] [%clk 0:54:39] } 26... Qc7 { [%eval 1.78] [%clk 1:07:44] } 27. Bc1 { [%eval 1.43] [%clk 0:51:28] } 27... Nd7?? { [%eval 6.46] } { Blunder. Ra4 was best. } { [%clk 1:06:36] } 28. Qc3?? { [%eval 0.52] } { Blunder. Rxd7 was best. } { [%clk 0:50:29] } 28... Nf4?? { [%eval 4.58] } { Blunder. Qe5 was best. } { [%clk 1:04:26] } 29. Bxf4 { [%eval 4.64] [%clk 0:50:43] } 1-0