Home › Openings › Nimzo-Indian Defense › Nimzo-Indian Defense: Normal Variation › Nimzo-Indian Defense: Normal Variation, Gligoric System Nimzo-Indian Defense: Normal Variation, Gligoric System, Keres Variation ECO E53 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O b6 Related variationsNimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein DefenseNimzo-Indian Defense: Normal Variation, Gligoric System, Exchange VariationNimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein VariationNimzo-Indian Defense: Normal Variation, Gligoric System, Smyslov Variation Practice this opening · Play against the computer