E41 black d4
Nimzo-Indian Defense: Rubinstein System
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Opening Moves
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5
Learn this Opening
Study the Nimzo-Indian Defense: Rubinstein System with spaced repetition. Our algorithm schedules reviews at optimal intervals so you never forget the key moves.