Library/Openings/Danish Gambit Accepted/Classical Defense ECO C21
Opening· 10 plies

Danish Gambit Accepted: Classical Defense

An entry in the Encyclopedia of Chess Openings (ECO C21), reached after 10 half-moves: 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Nf6.

Danish Gambit Accepted: Classical Defense ECO C21
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Black rook
Black knight
Black bishop
Black queen
Black king
Black bishop
Black rook
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black knight
White bishop
White pawn
White pawn
White bishop
White pawn
White pawn
White pawn
White rook
White knight
White queen
White king
White knight
White rook
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End of this line

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About this opening

Danish Gambit Accepted: Classical Defense is an opening in the Encyclopedia of Chess Openings, classified under code C21. 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 10 half-moves from the starting position, with the move sequence 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Nf6.

It belongs to the Danish Gambit Accepted family. Within that family this is a sub-variation (the Classical Defense line).

The opening sequence in prose form: 1.e4 e5, 2.d4 exd4, 3.c3 dxc3, 4.Bc4 cxb2, 5.Bxb2 Nf6. 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.