Lion Defense

An entry in the Encyclopedia of Chess Openings (ECO B07), reached after 6 half-moves: 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7.

Black rook — Use ← → arrows or click moves to step through.

Black bishop — Use ← → arrows or click moves to step through.

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4.f4 3 lines
- B07 Anti-Philidor +1
4.g4 1 line
- B07 Bayonet Attack

About this opening

Lion Defense is an opening in the Encyclopedia of Chess Openings, classified under code B07. ECO group B (B00–B99) covers semi-open games (1.e4 with Black playing anything other than 1…e5), with the Sicilian, French, Caro-Kann and Pirc/Modern at its heart. This particular variation is reached after 6 half-moves from the starting position, with the move sequence 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7.

The opening sequence in prose form: 1.e4 d6, 2.d4 Nf6, 3.Nc3 Nbd7. From this position 2 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.