Nimzo-Indian Defense: Three Knights Variation
Variations
Nimzo-Indian Defense: Romanishin Variation
c5 5. g3 O-O 6. Bg2
Nimzo-Indian Defense: Romanishin Variation, English Hybrid
c5 5. g3 cxd4 6. Nxd4 O-O 7. Bg2 d5 8. cxd5 Nxd5
Nimzo-Indian Defense: St. Petersburg Variation
b6 5. e3 Ne4 6. Qc2
Nimzo-Indian Defense: St. Petersburg Variation
Bxc3+ 5. bxc3 b6 6. e3 Bb7 7. Bd3 O-O 8. O-O