About this opening
Slav Defense: Chebanenko Variation is an opening in the Encyclopedia of Chess Openings,
classified under code D15. ECO group D (D00–D99)
covers closed games and semi-closed games beginning 1.d4 d5, covering the Queen's Gambit, Slav, Grünfeld and related queen-pawn structures. This particular variation is reached
after 8 half-moves from the
starting position, with the move sequence 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6.
It belongs to the Slav Defense family. Within that family this is a sub-variation (the Chebanenko Variation line).
The opening sequence in prose form: 1.d4 d5, 2.c4 c6, 3.Nf3 Nf6, 4.Nc3 a6. 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 D15 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.