A54 — Old Indian Defense: Tartakower-Indian

ECO A54 covers Old Indian Defense: Tartakower-Indian and related lines (Old Indian Defense: Tartakower-Indian, Old Indian Defense: Ukrainian Variation, Old Indian Defense: Two Knights Variation, Old Indian Defense: Duz-Khotimirsky Variation). Main line 1. d4 Nf6 2. c4 d6 3. Nf3 Bg4 with variations, statistics, and the best responses.