Best response to the Trompowsky Attack: Classical Defense (A45)

1. d4 Nf6 2. Bg5 e6 · White to move

What is the best response to the Trompowsky Attack: Classical Defense (1. d4 Nf6 2. Bg5 e6)? White to move. See the top replies ranked by opening theory and real-game results, starting with e4.

The main theoretical reply is e4, reaching the Trompowsky Attack: Classical Defense, Big Center Variation.