About this opening
King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit, Morphy Defense is an opening in the Encyclopedia of Chess Openings,
classified under code C31. 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 12 half-moves from the
starting position, with the move sequence 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. exd5 e4 5. d3 Bb4 6. Bd2 e3.
The opening sequence in prose form: 1.e4 e5, 2.Nc3 Nf6, 3.f4 d5, 4.exd5 e4, 5.d3 Bb4, 6.Bd2 e3. 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.