About this opening
Bishop's Opening: Berlin Defense, Greco Gambit is an opening in the Encyclopedia of Chess Openings,
classified under code C24. 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 5 half-moves from the
starting position, with the move sequence 1. e4 e5 2. Bc4 Nf6 3. f4.
It belongs to the Bishop's Opening family.
Within that family this is a level-2 branch (the Berlin Defense → Greco Gambit line). The immediate parent line is Bishop's Opening: Berlin Defense, transitioned via 3.f4.
The opening sequence in prose form: 1.e4 e5, 2.Bc4 Nf6, 3.f4. 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.