The Lewis Countergambit, Walker Variation is a variation of the Bishop's Opening, catalogued as ECO C23. The line runs 1. e4 e5 2. Bc4 Bc5 3. c3 d5 4. Bxd5 Nf6 5. d4, reaching the position shown below after 9 half-moves.
Both sides have pawns in the centre (White on d4 and e4, Black on e5), and one pawn capture is available, so the structure has not settled yet. Development is level at one minor pieces each, and White is up a pawn of material. It is Black to move after five moves.
On the Bishop's Opening generally: White develops the bishop early to c4, targeting f7. Can lead to sharp or quiet positions.
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See all 9 Bishop's Opening variations →
The Lewis Countergambit, Walker Variation goes 1. e4 e5 2. Bc4 Bc5 3. c3 d5 4. Bxd5 Nf6 5. d4. It is a variation of the Bishop's Opening and is catalogued as ECO C23.
The Lewis Countergambit, Walker Variation is ECO C23. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Bishop's Opening.
Stockfish evaluates the position after 1. e4 e5 2. Bc4 Bc5 3. c3 d5 4. Bxd5 Nf6 5. d4 at -0.02 at depth 18, which is balanced. 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 d4 and e4, Black on e5), and one pawn capture is available, so the structure has not settled yet. Development is level at one minor pieces each, and White is up a pawn of material. It is Black to move.