English Opening: Agincourt Defense, Catalan Defense Accepted

1.c4 e6 2.Nf3 Nf6 3.g3 d5 4.Bg2 dxc4

ECO A13

The English Opening: Agincourt Defense, Catalan Defense Accepted is a chess opening line in the English Opening complex, reached after 1.c4 e6 2.Nf3 Nf6 3.g3 d5 4.Bg2 dxc4.

It is catalogued under code A13 in the Encyclopaedia of Chess Openings (ECO).

The defining move dxc4 is chosen by Black on move 4.

Study this line with a grandmaster

This position is covered in the Reti Opening 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.