Event: Round 2: Tso, Chi Wai - Costello, Colin A
Date: 2025-02-22
White: Tso, Chi Wai
Black: Costello, Colin A
BlackElo: 1887
Result: 1/2-1/2
ECO: E11
Opening: Bogo-Indian Defense: Retreat Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:30:53] } 2. c4 { [%eval 0.18] [%clk 1:31:20] } 2... e6 { [%eval 0.14] [%clk 1:31:18] } 3. Nf3 { [%eval 0.12] [%clk 1:31:36] } 3... Bb4+ { [%eval 0.54] [%clk 1:31:40] } 4. Bd2 { [%eval 0.26] [%clk 1:31:47] } 4... Be7 { [%eval 0.28] [%clk 1:31:36] } 5. Nc3 { [%eval 0.31] [%clk 1:32:07] } 5... d5 { [%eval 0.24] [%clk 1:31:58] } 6. e3 { [%eval 0.18] [%clk 1:32:20] } 6... O-O { [%eval 0.17] [%clk 1:32:11] } 7. Qc2 { [%eval 0.0] [%clk 1:32:13] } 7... Nbd7 { [%eval 0.18] [%clk 1:31:47] } 8. cxd5 { [%eval 0.19] [%clk 1:30:52] } 8... exd5 { [%eval 0.23] [%clk 1:32:05] } 9. Bd3 { [%eval 0.25] [%clk 1:30:34] } 9... c5 { [%eval 0.36] [%clk 1:31:19] } 10. O-O { [%eval 0.32] [%clk 1:28:54] } 10... b6 { [%eval 0.47] [%clk 1:25:31] } 11. e4 { [%eval 0.07] [%clk 1:12:23] } 11... dxe4 { [%eval 0.07] [%clk 1:23:24] } 12. Nxe4 { [%eval 0.04] [%clk 1:02:55] } 12... Bb7 { [%eval 0.1] [%clk 1:23:35] } 13. Rfe1 { [%eval 0.0] [%clk 0:50:49] } 13... cxd4 { [%eval 0.0] [%clk 1:19:01] } 14. b4?! { [%eval -0.59] } { Inaccuracy. Nxd4 was best. } { [%clk 0:46:35] } 14... Rc8 { [%eval -0.48] [%clk 1:15:23] } 15. Qb2 { [%eval -0.51] [%clk 0:40:27] } 15... Nxe4 { [%eval -0.5] [%clk 1:14:50] } 16. Bxe4 { [%eval -0.52] [%clk 0:40:50] } 16... Bxe4 { [%eval -0.52] [%clk 1:15:00] } 17. Rxe4 { [%eval -0.5] [%clk 0:41:15] } 17... Bf6 { [%eval -0.54] [%clk 1:13:40] } 18. Qb3 { [%eval -0.63] [%clk 0:40:48] } 18... Re8 { [%eval -0.63] [%clk 1:07:34] } 19. Rae1?! { [%eval -1.7] } { Inaccuracy. Rxe8+ was best. } { [%clk 0:40:55] } 19... Rxe4 { [%eval -1.54] [%clk 1:07:53] } 20. Rxe4 { [%eval -1.53] [%clk 0:41:17] } 20... Qc7?! { [%eval -0.75] } { Inaccuracy. Nf8 was best. } { [%clk 1:06:39] } 21. Kf1?! { [%eval -1.69] } { Inaccuracy. g4 was best. } { [%clk 0:31:15] } 21... Qc6 { [%eval -1.57] [%clk 1:03:40] } 22. Qd3 { [%eval -1.66] [%clk 0:31:00] } 22... Qa4? { [%eval -0.46] } { Mistake. Nf8 was best. } { [%clk 1:03:06] } 23. a3?! { [%eval -1.27] } { Inaccuracy. Nxd4 was best. } { [%clk 0:31:03] } 23... Qd1+?! { [%eval -0.24] } { Inaccuracy. Nf8 was best. } { [%clk 0:59:28] } 24. Re1 { [%eval -0.22] [%clk 0:31:14] } 24... Qa4 { [%eval -0.26] [%clk 0:59:44] } 25. Re4?! { [%eval -1.32] } { Inaccuracy. Bg5 was best. } { [%clk 0:29:34] } 25... Qd1+? { [%eval 0.0] } { Mistake. Nf8 was best. } { [%clk 0:59:46] } 26. Re1 { [%eval 0.0] [%clk 0:29:59] } 1/2-1/2