About this opening
Benoni Defense: Classical Variation is an opening in the Encyclopedia of Chess Openings,
classified under code A70. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 13 half-moves from the
starting position, with the move sequence 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4.
It belongs to the Benoni Defense family. Within that family this is a sub-variation (the Classical Variation line).
The opening sequence in prose form: 1.d4 Nf6, 2.c4 e6, 3.Nf3 c5, 4.d5 exd5, 5.cxd5 d6, 6.Nc3 g6. From this position exactly one named continuation is recorded in the encyclopaedia.
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. The list of recorded continuations sits directly below the board. 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 A70 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.