Queen's Gambit Accepted: Old Variation, Korchnoi Gambit

1.d4 d5 2.c4 dxc4 3.e3 e5 4.Bxc4 exd4 5.Qb3 Qe7 6.Kf1

ECO D20

The Queen's Gambit Accepted: Old Variation, Korchnoi Gambit is a chess opening line in the Queen's Gambit Accepted complex, reached after 1.d4 d5 2.c4 dxc4 3.e3 e5 4.Bxc4 exd4 5.Qb3 Qe7 6.Kf1.

It is catalogued under code D20 in the Encyclopaedia of Chess Openings (ECO).

The defining move Kf1 is chosen by White on move 6.

The Queen's Gambit Accepted: Old Variation, Korchnoi Gambit 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.

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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.