Best response to the Queen's Indian Defense: Spassky System (E14)

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 · White to move

What is the best response to the Queen's Indian Defense: Spassky System (1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7)? White to move. See the top replies ranked by opening theory and real-game results, starting with Bd3.

The main theoretical reply is Bd3, reaching the Queen's Indian Defense: Spassky System.

Ranked replies for White