Danish Gambit Accepted: Copenhagen Defense is a chess opening with the ECO code C21, part of the Danish Gambit Accepted family. It goes 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Bb4+. White opens with 1. e4 (the king's pawn) and Black answers 1... e5. After 10 moves it is White to move. After the last move Black is 2 points ahead in material. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. e4 – White plays the pawn to e4
1... e5 – Black plays the pawn to e5
2. d4 – White plays the pawn to d4
2... exd4 – Black captures on d4 with the e-pawn
3. c3 – White plays the pawn to c3
3... dxc3 – Black captures on c3 with the d-pawn
4. Bc4 – White plays the bishop to c4
4... cxb2 – Black captures on b2 with the c-pawn
5. Bxb2 – White takes on b2 with the bishop
5... Bb4+ – Black plays the bishop to b4, giving check
About the Danish Gambit Accepted
After 1.e4 e5 2.d4 exd4 3.c3, Black takes with ...dxc3. White gives one or two pawns for very fast development and two strong bishops.
After Bc4 and Bxb2, both bishops aim at f7 and g7.
Black's safest defence is to give back a pawn with ...d5.
Greedy Black play can lead to a fast mate, so develop first.
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