English Opening: Anglo-Dutch Variation, Chabanon Gambit

The English Opening: Anglo-Dutch Variation, Chabanon Gambit is a chess opening classified under ECO code A10 in the Flank Openings family, characterized by moves like 1.c4, 1.Nf3, or 1.f4, aiming to control the center indirectly. It is reached after 3 moves: 1. c4 f5 2. Nf3 d6 3. e4. The resulting position leaves black to move.