Queen's Gambit Accepted: Accelerated Mannheim Variation

1.d4 d5 2.c4 dxc4 3.Qa4+

ECO D20

The Queen's Gambit Accepted: Accelerated Mannheim Variation is a chess opening line in the Queen's Gambit Accepted complex, reached after 1.d4 d5 2.c4 dxc4 3.Qa4+.

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

The defining move Qa4+ is chosen by White on move 3.

The Queen's Gambit Accepted: Accelerated Mannheim Variation 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.

Study this line with a grandmaster

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.