The Anti-Philidor, Lion's Cave, Lion Claw Gambit is a variation of the Lion Defense, catalogued as ECO B07. The line runs 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 c6 7. Bc4 d5, reaching the position shown below after 14 half-moves.
Both sides have pawns in the centre (White on e4, Black on d5), and one pawn capture is available, so the structure has not settled yet. Development is level at three minor pieces each. It is White to move after seven moves.
On the Lion Defense generally: ECO B00. A chess opening with 5 known variations.
You can play through this variation move by move in your browser — Learn mode walks the line with an explanation at each step, and Drill mode replays it from memory so you find out whether you actually know it. No account is required.
The Anti-Philidor, Lion's Cave, Lion Claw Gambit goes 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 c6 7. Bc4 d5. It is a variation of the Lion Defense and is catalogued as ECO B07.
The Anti-Philidor, Lion's Cave, Lion Claw Gambit is ECO B07. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Lion Defense.
Stockfish evaluates the position after 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 c6 7. Bc4 d5 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 e4, Black on d5), and one pawn capture is available, so the structure has not settled yet. Development is level at three minor pieces each. It is White to move.