Event: Round 4: Alexander Zubarev - Chatterjee Koustav
Date: 2021-10-13
White: Alexander Zubarev
Black: Chatterjee Koustav
Result: 1/2-1/2
ECO: C67
Opening: Ruy Lopez: Berlin Defense, Rio Gambit Accepted
Variant: Standard

1. e4 { [%eval 0.28] [%clk 1:30:56] } 1... e5 { [%eval 0.12] [%clk 1:24:38] } 2. Nf3 { [%eval 0.17] [%clk 1:31:21] } 2... Nc6 { [%eval 0.12] [%clk 1:25:03] } 3. Bb5 { [%eval 0.2] [%clk 1:31:48] } 3... Nf6 { [%eval 0.15] [%clk 1:24:50] } 4. O-O { [%eval 0.12] [%clk 1:32:06] } 4... Nxe4 { [%eval 0.21] [%clk 1:25:14] } 5. Re1 { [%eval 0.17] [%clk 1:32:31] } 5... Nd6 { [%eval 0.31] [%clk 1:25:40] } 6. Nxe5 { [%eval 0.19] [%clk 1:32:55] } 6... Be7 { [%eval 0.27] [%clk 1:26:06] } 7. Bf1 { [%eval 0.0] [%clk 1:33:01] } 7... Nf5 { [%eval 0.4] [%clk 1:24:43] } 8. Nf3 { [%eval 0.41] [%clk 1:33:11] } 8... O-O { [%eval 0.41] [%clk 1:25:05] } 9. d4 { [%eval 0.49] [%clk 1:33:18] } 9... d5 { [%eval 0.4] [%clk 1:25:33] } 10. c3 { [%eval 0.54] [%clk 1:29:07] } 10... Bd6 { [%eval 0.3] [%clk 1:20:56] } 11. g3 { [%eval 0.31] [%clk 1:29:23] } 1/2-1/2