Trompowsky Attack: Borg Variation

1.d4 Nf6 2.Bg5 Ne4 3.Bf4 g5

ECO A45

The Trompowsky Attack: Borg Variation is a chess opening line in the Trompowsky Attack complex, reached after 1.d4 Nf6 2.Bg5 Ne4 3.Bf4 g5.

It is catalogued under code A45 in the Encyclopaedia of Chess Openings (ECO).

The defining move g5 is chosen by Black on move 3.

Study this line with a grandmaster

This position is covered in the Trompowsky Attack 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.