Ruy Lopez - old Steinitz defence
1. e4 e5 2. Nf3 Nc6 3. Bb5 d6
White moves 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 queen's pawn to d6.