E25 — Nimzo-Indian Defense: Sämisch Variation

ECO E25 covers Nimzo-Indian Defense: Sämisch Variation and related lines (Nimzo-Indian Defense: Sämisch Variation, Nimzo-Indian Defense: Sämisch Variation, Keres Variation, Nimzo-Indian Defense: Sämisch Variation, Romanovsky Variation). Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 with variations, statistics, and the best responses.