Event: Round 5 - GM B: Tianqi Wang - Aleksandr Ostrovskiy
Site: https://lichess.org/study/YC8bHg5H/OXH9CO3c
Date: 2021-07-30
White: Tianqi Wang
Black: Aleksandr Ostrovskiy
Result: 1/2-1/2
ECO: A12
Opening: Réti Opening: Anglo-Slav Variation, Bogoljubow Variation
Variant: Standard

1. Nf3 { [%eval 0.13] [%clk 1:30:46] } 1... d5 { [%eval 0.2] [%clk 1:30:33] } 2. c4 { [%eval 0.0] [%clk 1:31:10] } 2... c6 { [%eval 0.25] [%clk 1:30:05] } 3. b3 { [%eval 0.0] [%clk 1:31:27] } 3... Bg4 { [%eval 0.09] [%clk 1:28:45] } 4. Bb2 { [%eval 0.05] [%clk 1:30:16] } 4... Bxf3 { [%eval 0.0] [%clk 1:27:46] } 5. exf3 { [%eval 0.0] [%clk 1:29:38] } 5... e6 { [%eval 0.14] [%clk 1:26:48] } 6. g3 { [%eval 0.08] [%clk 1:29:18] } 6... Nf6 { [%eval -0.05] [%clk 1:19:52] } 7. Bg2 { [%eval 0.0] [%clk 1:28:28] } 7... g6?! { [%eval 0.52] } { Inaccuracy. dxc4 was best. } { [%clk 1:19:50] } 8. O-O { [%eval 0.51] [%clk 1:28:06] } 8... Bg7 { [%eval 0.58] [%clk 1:20:12] } 9. f4 { [%eval 0.75] [%clk 1:27:23] } 9... O-O { [%eval 0.58] [%clk 1:20:19] } 10. Qc2 { [%eval 0.75] [%clk 1:27:09] } 10... Nbd7 { [%eval 0.69] [%clk 1:16:06] } 11. d4 { [%eval 0.67] [%clk 1:26:57] } 11... a5 { [%eval 0.71] [%clk 1:14:56] } 12. Nd2 { [%eval 0.67] [%clk 1:25:10] } 12... Re8 { [%eval 1.01] [%clk 1:10:09] } 13. a3? { [%eval -0.01] } { Mistake. a4 was best. } { [%clk 1:24:52] } 13... Ng4?! { [%eval 0.69] } { Inaccuracy. a4 was best. } { [%clk 1:04:04] } 14. c5 { [%eval 0.64] [%clk 1:21:48] } 14... Nh6 { [%clk 0:57:54] } 1/2-1/2