Danish Accepted: Copenhagen Defence 5...Bb4+ is variation 3 of 6 in the Danish Gambit and Centre Game course, a intermediate opening course for White (ECO C21). It runs 21 moves and begins 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 …. Black checks with 5...Bb4+ to slow down White's development. White blocks with the knight, protects it with 7.Qb3 and lines up the queen and the b2 bishop against g7. In the lesson every move is explained on a board and then drilled; it is free.
Move by move
1. e4 – White takes the centre.
1... e5 – Black takes an equal share.
2. d4 – White opens the centre.
2... exd4 – Black takes the pawn.
3. c3 – The Danish Gambit.
3... dxc3 – Black accepts.
4. Bc4 – White develops and offers a second pawn.
4... cxb2 – Black takes it.
5. Bxb2 – White takes back.
5... Bb4+ – The Copenhagen Defence. Black's most popular move. The check slows White down.
6. Nc3 – White blocks with a developing move.
6... Nf6 – Black develops and attacks e4.
7. Qb3 – The queen protects the c3 knight and hits f7 together with the bishop.
7... Bxc3+ – Black trades on c3 before the pin gets worse.
8. Qxc3 – White takes back with the queen. The queen and the b2 bishop now aim at f6 and g7.
8... O-O – Black castles and gets the king to safety.
The lesson goes on for 5 more moves, each with its explanation.
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