Home › Openings › English Opening › English Opening: Agincourt Defense › English Opening: Agincourt Defense, Neo-Catalan Declined English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 ECO A14 · 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 Practice this opening · Play against the computer