The Winawer Variation, Advance Variation is a variation of the French Defense, catalogued as ECO C17. The line runs 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 7. Nf3, reaching the position shown below after 13 half-moves.
Both sides have pawns in the centre (White on e5, Black on d5), and one pawn capture is available, so the structure has not settled yet. Development is level at two minor pieces each, and Black is up a pawn of material. It is Black to move after seven moves. White has doubled pawns on the b-file; White has the bishop pair.
On the French Defense generally: A solid defense where Black builds a strong pawn chain. Leads to strategic middlegames with clear plans.
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The Winawer Variation, Advance Variation goes 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 7. Nf3. It is a variation of the French Defense and is catalogued as ECO C17.
The Winawer Variation, Advance Variation is ECO C17. ECO codes group openings by their move order, so nearby codes cover closely related lines of the French Defense.
Stockfish evaluates the position after 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 7. Nf3 at +0.62 at depth 18, which is a small but real edge for White. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
Both sides have pawns in the centre (White on e5, Black on d5), and one pawn capture is available, so the structure has not settled yet. Development is level at two minor pieces each, and Black is up a pawn of material. It is Black to move. White has doubled pawns on the b-file; White has the bishop pair.