Trompowsky Attack: Classical Defense, Big Center Variation

1.d4 Nf6 2.Bg5 e6 3.e4

ECO A45

The Trompowsky Attack: Classical Defense, Big Center Variation is a chess opening line in the Trompowsky Attack complex, reached after 1.d4 Nf6 2.Bg5 e6 3.e4.

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

The defining move e4 is chosen by White on move 3.

Do you want to learn openings?

Start with a GM-authored repertoire you study move by move, then practice against a human-like AI opponent:

• Catalan Opening
• King's Indian Defense with ...e5

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.