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E01 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 - Catalan Opening: Closed (3)
Catalan Opening: Closed Coups: 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 -
E04 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 - Catalan Opening: Open Defense (6)
Catalan Opening: Open Defense (E04) Coups: 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 -
E05 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 - Catalan Opening: Open Defense, Classical Line (6)
Catalan Opening: Open Defense, Classical Line (E05) Coups: 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 -
E06 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 - Catalan Opening: Closed (3)
Catalan Opening: Closed (E06) Coups: 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3