Chess Opening · C21

Danish Gambit

For sub-1000 ELO players

The Danish Gambit (ECO C21, Danish Gambit Accepted) is nearly equal at +0.1 according to Stockfish 17 at depth 25, but sub-1000 players consistently lose because they grab both pawns and then fail to play d5 to return material and catch up in development. The key defense is accepting the gambit and immediately playing d5 to neutralize White's initiative.

The Best Response

Moves to Play

White · Black alternating

◆1. e4 e5

◆2. d4 exd4

◆3. c3 dxc3

◆4. Bc4 cxb2

◆5. Bxb2 d5

1. e4 e5: Both sides open with king's pawn moves, establishing central tension. 2. d4 exd4: White offers the first pawn sacrifice and Black accepts, capturing in the center. 3. c3 dxc3: White offers a second pawn to open lines and Black takes again, now up two pawns. 4. Bc4 cxb2: White develops the bishop with tempo toward f7, and Black grabs a third pawn. 5. Bxb2 d5: White recaptures with the bishop, aiming both bishops at the kingside, and Black's best move is d5 to return material and free the position.

Who Stands Better

Computer score

+0.1

(slight advantage for White)

In plain termsAfter 5. Bxb2, the position is nearly equal at +0.1 if Black knows to play d5. Without d5, White's two bishops and development lead become crushing.

Copy these moves:

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 d5 6. Bxd5 Nf6

3 Mistakes Sub-1000 Players Make

These are the patterns we see in games below 1000 ELO. Fix these and you'll stop losing to this opening.

Players accept both pawns without understanding White gets a dangerous development lead. Declining with d5 or returning material is safer.

Best reply: Bb5+

Why it happens:

Players accept both pawns without understanding White gets a dangerous development lead. Declining with d5 or returning material is safer.

Best reply: Bxd5

Why it happens:

Players accept both pawns without understanding White gets a dangerous development lead. Declining with d5 or returning material is safer.

Best reply: e5

Why it happens:

Why This Opening Trips You Up

The Core Problem

Sub-1000 players either grab everything and get crushed by development, or refuse the gambit and miss the best defense.

Before Your Next Game

If you accept the Danish Gambit, play d5 as soon as possible to return material and catch up in development. Do not try to hold onto both extra pawns.