E27 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4.... - Nimzo-Indian Defense

Code ECO E27 – Nimzo-Indian Defense

Coups: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O