About this opening
English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, Delayed .. Nc6 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 14 half-moves from the
starting position, with the move sequence 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Re8 6. O-O e4 7. Nd4 Nc6.
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 → Delayed .. Nc6 line). The immediate parent line is English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, transitioned via 7…Nc6.
The opening sequence in prose form: 1.c4 e5, 2.Nc3 Nf6, 3.g3 Bb4, 4.Bg2 O-O, 5.Nf3 Re8, 6.O-O e4. 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.