Queen's Gambit Accepted: Gunsberg Defense

1.d4 d5 2.c4 dxc4 3.Nf3 c5

ECO D21

The Queen's Gambit Accepted: Gunsberg Defense is a chess opening line in the Queen's Gambit Accepted complex, reached after 1.d4 d5 2.c4 dxc4 3.Nf3 c5.

It is catalogued under code D21 in the Encyclopaedia of Chess Openings (ECO).

The defining move c5 is chosen by Black on move 3.

One named continuation branches from this position: the Prianishenmo Gambit.

The Queen's Gambit Accepted: Gunsberg Defense is a line of the Queen's Gambit Accepted. The Queen's Gambit Accepted is a chess opening that begins 1.d4 d5 2.c4 dxc4. Read the complete Queen's Gambit Accepted guide: what it is, how to reach it, its main variations, how to play against it, and its history.

Named variations

• Queen's Gambit Accepted: Gunsberg Defense, Prianishenmo Gambit — ECO D24

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This position is covered in the Beat the Queen's Gambit Accepted 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.