Chess Opening Theory/1. e4/1...e5/2. f4/2...exf4/3. Nf3/3...g5/4. Bc4/4...g4/5. Ne5/5...Qh4/6. Kf1

/6...Nh6/: Silberchmidt Defence

/6...Nc6/: Viennese Variation

/6...f3/: Cochrane Gambit

/6...Nf6/: Santa Maria Defence