Ruy Lopez - modern Steinitz defence - Three knights variation
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3
White pushes 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 b5. Black plays the a-pawn to a6.
White moves the light-squared bishop to a4. Black pushes the queen's pawn to d6. White transfers the knight to c3.