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GambitECO C21A weapon for White · intermediate · rare

Danish Gambit

Also known as Danish

1.e4 e5 2.d4 exd4 3.c3

A swashbuckling 19th-century gambit where White sacrifices one or even two pawns from move 3 to gain a huge lead in development and aim both bishops straight at Black's king. Romantic, aggressive and great fun – but objectively dubious if Black defends precisely.

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Starting position

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What it does

After 1.e4 e5 2.d4 exd4 3.c3, White hands Black the c3 pawn (and often a second pawn on b2) to blast open the centre and the long diagonals. Following 4.Bc4 cxb2 5.Bxb2, White's bishops on c4 and b2 rake towards f7 and g7, knights and queen develop rapidly, and White hopes to crash through before Black untangles. It trades material for time and attacking pressure.

When to use it

Reach for the Danish in fast time controls, casual games or when you want a sharp, attacking battle against 1...e5 players. It rewards bold tactical play and punishes opponents who grab pawns greedily without finishing development. Avoid it against well-prepared opponents in serious slow games, where precise defence (often returning a pawn) neutralises the attack.

Why it works

Development is the gambit's currency. Sacrificing pawns lets White develop with tempo and seize the open b- and c-files plus the a1-h8 and a2-g8 diagonals. Black's king lingers in the centre while White's bishops glare at f7 and g7, so a lead in force can become a winning attack before material counts.

Key ideas

  • Two bishops rake the long diagonals at f7 and g7
  • Sacrifice pawns to gain a huge lead in development
  • Open the b- and c-files for rooks and the attack
  • Black's safest reply is to give a pawn back with ...d5
  • Aim to attack before Black completes development
  • Romantic, tactical chess – calculation over material

Watch out

A classic point: after 5.Bxb2, if Black hunts more pawns or develops carelessly, White's bishops and quick castling can overwhelm f7 and g7. The modern antidote is Schlechter's 5...d5, returning a pawn: 6.Bxd5 Nf6 eases Black's defence and blunts the attack. Greedy play by either side is heavily punished – calculate carefully.

Where it can go

5...d5 (Schlechter's defence, returning a pawn)5...Nf6 developing and hitting e44.Nxc3 (the safer single-pawn Danish)3...d5 (declining the gambit in the centre)