About this opening
Philidor Defense: Hanham Variation is an opening in the Encyclopedia of Chess Openings,
classified under code C41. ECO group C (C00–C99)
covers open games (1.e4 e5) and the French Defence, including the Ruy Lopez, Italian, Scotch and King's Gambit. This particular variation is reached
after 6 half-moves from the
starting position, with the move sequence 1. e4 e5 2. Nf3 d6 3. d4 Nd7.
It belongs to the Philidor Defense family. Within that family this is a sub-variation (the Hanham Variation line).
The opening sequence in prose form: 1.e4 e5, 2.Nf3 d6, 3.d4 Nd7. From this position exactly one named continuation is recorded in the encyclopaedia.