Ruy Lopez - classical (Cordel) defence
1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5
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 develops the dark-squared bishop to c5.