Ruy Lopez - modern Steinitz defence - Alapin variation
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6
White advances the king's pawn to e4. Black plays 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 b5. Black moves the a-pawn to a6.
White deploys the light-squared bishop to a4. Black moves the queen's pawn to d6. White captures with the light-squared bishop on c6, giving check.
Black captures on c6 with the b-pawn. White pushes the queen's pawn to d4. Black pushes the f-pawn to f6.