About this opening
English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Bc5 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. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5.
It belongs to the English Opening family.
Within that family this is a level-4 branch (the King's English Variation → Four Knights Variation → Fianchetto Line → with Bc5 line). The immediate parent line is English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, transitioned via 6…Bc5.
The opening sequence in prose form: 1.c4 e5, 2.Nc3 Nf6, 3.Nf3 Nc6, 4.g3 d5, 5.cxd5 Nxd5, 6.Bg2 Bc5. 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.
Use the interactive board above to walk through the moves position-by-position. Click any move in the navigation to step backwards, or use the keyboard arrow keys. For statistical data — how often master-level players have reached this position, White's win-rate, draw frequency, Black's score — see the panel in the right column.
Caissly's coverage of A29 extends through every named sub-variation in this line and across all four locales (English, Spanish, Portuguese, Russian). Where editorial commentary exists for a specific variation it appears as the page body; otherwise the page presents the structural data, board, and statistics as shown here.