Best response to the King's Gambit Accepted: Traditional Variation (C38)

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 · White to move

What is the best response to the King's Gambit Accepted: Traditional Variation (1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7)? White to move. See the top replies ranked by opening theory and real-game results, starting with h4.

The main theoretical reply is h4, reaching the King's Gambit Accepted: Philidor Gambit.