Danish Gambit Accepted: Copenhagen Defense

1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 Bb4+

ECO C21

The Danish Gambit Accepted: Copenhagen Defense is a chess opening line in the Danish Gambit Accepted complex, reached after 1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 Bb4+.

It is catalogued under code C21 in the Encyclopaedia of Chess Openings (ECO).

The defining move Bb4+ is chosen by Black on move 5.

Study this line with a grandmaster

This position is covered in the Danish Gambit course: a GM-authored repertoire you study move by move, then practice against a human-like AI opponent.

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.