About this opening
English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, Be7 is an opening in the Encyclopedia of Chess Openings,
classified under code A29. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 12 half-moves from the
starting position, with the move sequence 1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 d6 5. d3 Be7 6. Nf3 O-O.
It belongs to the English Opening family.
Within that family this is a level-5 branch (the King's English Variation → Four Knights Variation → Fianchetto Line → with .. d6 → Be7 line). The immediate parent line is English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, transitioned via 6…O-O.
The opening sequence in prose form: 1.c4 e5, 2.Nc3 Nf6, 3.g3 Nc6, 4.Bg2 d6, 5.d3 Be7, 6.Nf3 O-O. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.