Best response to the Vienna Game: Vienna Gambit, Bardeleben Variation (C29)

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 · White to move

What is the best response to the Vienna Game: Vienna Gambit, Bardeleben Variation (1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5)? White to move. See the top replies ranked by opening theory and real-game results, starting with d4.

The main theoretical reply is d4, reaching the Vienna Game: Heyde Variation.

Ranked replies for White