English Opening: King's English Variation, Troger Defense

1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Be6

ECO A21

The English Opening: King's English Variation, Troger Defense is a chess opening line in the English Opening complex, reached after 1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Be6.

It is catalogued under code A21 in the Encyclopaedia of Chess Openings (ECO).

The defining move Be6 is chosen by Black on move 4.

Study this line with a grandmaster

This position is covered in the English 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.