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- 6.O-O O-O — Main Line, 8.a4 - 8.a4, E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05a - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, SÉRIE E
World Blitz 2021 – Round 21.4 – Dubov, Daniil – 1/2-1/2 – Aadvika Giri – G1230

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- 6.O-O O-O — Main Line, 8.a4 - 8.a4, E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05a - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, SÉRIE E
World Rapid 2021 – Round 9.47 – Kozak, Adam – 1/2-1/2 – Martirosyan, Haik M. – G540

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