Event: Round 2: Chumfwa, Kelvin - Boois Ivan
Site: https://lichess.org/broadcast/bank-windhoek-2025-namibian-championship--open/round-2/r2DF8Xa4/RcSSnxSU
Date: 2025-09-10
White: Chumfwa, Kelvin
WhiteTitle: IM
WhiteElo: 2178
Black: Boois Ivan
BlackElo: 1783
Result: 1-0
ECO: E18
Opening: Queen's Indian Defense: Classical Variation, Traditional Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:55] } 1... Nf6 { [%eval 0.19] [%clk 1:28:20] } 2. c4 { [%eval 0.18] [%clk 1:30:13] } 2... e6 { [%eval 0.14] [%clk 1:28:44] } 3. Nf3 { [%eval 0.11] [%clk 1:29:45] } 3... b6 { [%eval 0.23] [%clk 1:28:55] } 4. g3 { [%eval 0.19] [%clk 1:29:56] } 4... Bb7 { [%eval 0.26] [%clk 1:29:18] } 5. Bg2 { [%eval 0.25] [%clk 1:30:23] } 5... Be7 { [%eval 0.25] [%clk 1:29:38] } 6. O-O { [%eval 0.17] [%clk 1:29:29] } 6... O-O { [%eval 0.29] [%clk 1:29:51] } 7. Nc3 { [%eval 0.21] [%clk 1:29:11] } 7... Bb4 { [%eval 0.45] [%clk 1:30:03] } 8. Qc2 { [%eval 0.52] [%clk 1:28:56] } 8... Bxc3 { [%eval 0.72] [%clk 1:30:18] } 9. Qxc3 { [%eval 0.66] [%clk 1:29:24] } 9... d6 { [%eval 0.7] [%clk 1:30:36] } 10. b3 { [%eval 0.68] [%clk 1:28:45] } 10... c5 { [%eval 0.99] [%clk 1:30:13] } 11. Bb2 { [%eval 1.08] [%clk 1:29:01] } 11... Nbd7 { [%eval 1.04] [%clk 1:29:12] } 12. Rfd1 { [%eval 0.96] [%clk 1:27:56] } 12... Qe7 { [%eval 1.36] [%clk 1:29:22] } 13. Rac1?! { [%eval 0.57] } { Inaccuracy. d5 was best. } { [%clk 1:26:34] } 13... Rac8? { [%eval 1.85] } { Mistake. a5 was best. } { [%clk 1:26:11] } 14. Qe3? { [%eval 0.49] } { Mistake. d5 was best. } { [%clk 1:25:06] } 14... Rfe8 { [%eval 0.56] [%clk 1:20:16] } 15. Qf4 { [%eval 0.43] [%clk 1:21:43] } 15... cxd4 { [%eval 0.78] [%clk 1:18:44] } 16. Qxd4 { [%eval 0.8] [%clk 1:21:33] } 16... d5 { [%eval 0.87] [%clk 1:18:07] } 17. Nh4 { [%eval 0.73] [%clk 1:08:15] } 17... Ba8?! { [%eval 1.85] } { Inaccuracy. Qc5 was best. } { [%clk 1:10:43] } 18. cxd5 { [%eval 1.89] [%clk 1:08:04] } 18... Bxd5 { [%eval 1.79] [%clk 1:10:57] } 19. Bxd5 { [%eval 1.67] [%clk 1:02:36] } 19... exd5 { [%eval 1.41] [%clk 1:09:48] } 20. e3 { [%eval 0.98] [%clk 1:01:34] } 20... Qe6 { [%eval 1.05] [%clk 1:09:48] } 21. Kg2?! { [%eval 0.46] } { Inaccuracy. Qf4 was best. } { [%clk 1:01:12] } 21... Nc5?! { [%eval 1.51] } { Inaccuracy. Rxc1 was best. } { [%clk 1:07:01] } 22. Qf4 { [%eval 1.43] [%clk 0:58:24] } 22... Nce4 { [%eval 1.39] [%clk 1:03:49] } 23. Bxf6?! { [%eval 0.43] } { Inaccuracy. Nf5 was best. } { [%clk 0:55:52] } 23... Nxf6 { [%eval 0.39] [%clk 1:02:28] } 24. Nf5 { [%eval 0.47] [%clk 0:56:02] } 24... Rxc1 { [%eval 0.97] [%clk 1:00:42] } 25. Rxc1 { [%eval 1.02] [%clk 0:56:27] } 25... Rc8?? { [%eval 8.4] } { Blunder. Nh5 was best. } { [%clk 0:59:16] } 26. Qe4?? { [%eval -9.61] } { Blunder. Rxc8+ was best. } { [%clk 0:55:51] } 1-0