English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6

The English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6 is a chess opening classified under ECO code A29 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 7 moves: 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 O-O 7. O-O. The resulting position leaves black to move.