Bishop's opening - Four pawns' gambit
1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. f4 exf4 5. Nf3 Be7 6. d4 Bh4+ 7. g3 fxg3 8. O-O gxh2+ 9. Kh1
White moves the king's pawn to e4. Black pushes the king's pawn to e5. White develops the light-squared bishop to c4.
Black develops the dark-squared bishop to c5. White moves the b-pawn to b4. Black captures with the dark-squared bishop on b4.
White pushes the f-pawn to f4. Black captures on f4 with the king's pawn. White develops the knight to f3.
Black places the dark-squared bishop to e7. White advances the queen's pawn to d4. Black moves the dark-squared bishop to h4, giving check.
White advances the g-pawn to g3. Black captures on g3 with the f-pawn. White castles kingside.
Black captures on h2 with the g-pawn, giving check. White places the king to h1.