Best response to the Catalan Opening: Open Defense (E02)

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 · White to move

What is the best response to the Catalan Opening: Open Defense (1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4)? White to move. See the top replies ranked by opening theory and real-game results, starting with Nf3.

The main theoretical reply is Nf3, reaching the Catalan Opening: Open Defense.

Ranked replies for White