Two knights defence - Keidanz variation
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. Nxc6 Bxf2+ 9. Kf1 Qh4
White moves the king's pawn to e4. Black moves the king's pawn to e5. White develops the knight to f3.
Black develops the knight to c6. White develops the light-squared bishop to c4. Black moves the knight to f6.
White advances the queen's pawn to d4. Black captures on d4 with the king's pawn. White advances the king's pawn to e5.
Black pushes the queen's pawn to d5. White deploys the light-squared bishop to b5. Black transfers the knight to e4.
White captures with the knight on d4. Black develops the dark-squared bishop to c5. White captures with the knight on c6.
Black captures with the dark-squared bishop on f2, giving check. White moves the king to f1. Black deploys the queen to h4.