The Falkbeer Countergambit, Charousek Gambit, Morphy Defense is a variation of the King's Gambit Declined, catalogued as ECO C31. The line runs 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. exd5 e4 5. d3 Bb4 6. Bd2 e3, reaching the position shown below after 12 half-moves.
White holds the centre with pawns on d5. Development is level at two minor pieces each, and White is up a pawn of material. It is White to move after six moves. White has doubled pawns on the d-file.
On the King's Gambit Declined generally: Black declines the gambit pawn, leading to solid and strategic middlegame positions.
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The Falkbeer Countergambit, Charousek Gambit, Morphy Defense goes 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. exd5 e4 5. d3 Bb4 6. Bd2 e3. It is a variation of the King's Gambit Declined and is catalogued as ECO C31.
The Falkbeer Countergambit, Charousek Gambit, Morphy Defense is ECO C31. ECO codes group openings by their move order, so nearby codes cover closely related lines of the King's Gambit Declined.
Stockfish evaluates the position after 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. exd5 e4 5. d3 Bb4 6. Bd2 e3 at -0.16 at depth 18, which is balanced. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
White holds the centre with pawns on d5. Development is level at two minor pieces each, and White is up a pawn of material. It is White to move. White has doubled pawns on the d-file.