A51 — Indian Defense: Budapest Gambit

ECO A51 covers Indian Defense: Budapest Gambit and related lines (Indian Defense: Budapest Gambit, Indian Defense: Budapest Gambit Accepted, Indian Defense: Budapest Gambit Accepted, Fajarowicz Defense, Indian Defense: Budapest Gambit Accepted, Fajarowicz Defense, Bonsdorf Variation). Main line 1. d4 Nf6 2. c4 e5 with variations, statistics, and the best responses.