Lion Defense: Anti-Philidor

An entry in the Encyclopedia of Chess Openings (ECO B07), reached after 7 half-moves: 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4.

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4…e5 2 lines
- B07 Lion's Cave +1

About this opening

Lion Defense: Anti-Philidor 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 7 half-moves from the starting position, with the move sequence 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4.

It belongs to the Lion Defense family. Within that family this is a sub-variation (the Anti-Philidor line).

The opening sequence in prose form: 1.e4 d6, 2.d4 Nf6, 3.Nc3 Nbd7, 4.f4. From this position exactly one named continuation is recorded in the encyclopaedia.