Queen's Gambit Accepted: Classical Defense, Alekhine System

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2

ECO D28

The Queen's Gambit Accepted: Classical Defense, Alekhine System is a chess opening line in the Queen's Gambit Accepted complex, reached after 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2.

It is catalogued under code D28 in the Encyclopaedia of Chess Openings (ECO).

The defining move Qe2 is chosen by White on move 7.

2 named continuations branch from this position, including the Main Line and the Smyslov Variation.

Named variations

• Queen's Gambit Accepted: Classical Defense, Alekhine System, Main Line — ECO D29
• Queen's Gambit Accepted: Classical Defense, Alekhine System, Smyslov Variation — ECO D29

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.