About this opening
Philidor Defense: Albin-Blackburne Gambit 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 8 half-moves from the
starting position, with the move sequence 1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Nd7.
It belongs to the Philidor Defense family. Within that family this is a sub-variation (the Albin-Blackburne Gambit line).
The opening sequence in prose form: 1.e4 e5, 2.Nf3 d6, 3.d4 Bg4, 4.dxe5 Nd7. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.