A17 — English Opening: Anglo-Indian Defense, Hedgehog System

ECO A17 covers English Opening: Anglo-Indian Defense, Hedgehog System and related lines (English Opening: Anglo-Indian Defense, Hedgehog System, English Opening: Anglo-Indian Defense, Nimzo-English, English Opening: Anglo-Indian Defense, Queen's Indian Formation, English Opening: Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack). Main line 1. c4 Nf6 2. Nc3 e6 with variations, statistics, and the best responses.