Trompowsky Attack: Raptor Variation, Hergert Gambit

1.d4 Nf6 2.Bg5 Ne4 3.h4 Nxg5 4.hxg5 e5

ECO A45

The Trompowsky Attack: Raptor Variation, Hergert Gambit is a chess opening line in the Trompowsky Attack complex, reached after 1.d4 Nf6 2.Bg5 Ne4 3.h4 Nxg5 4.hxg5 e5.

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

The defining move e5 is chosen by Black on move 4.

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.