E04 white d4
Catalan Opening: Open Defense
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Opening Moves
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3
Learn this Opening
Study the Catalan Opening: Open Defense with spaced repetition. Our algorithm schedules reviews at optimal intervals so you never forget the key moves.