Ruy Lopez - closed Berlin defence - Showalter variation
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bxc6
White pushes 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 transfers the knight to f6.
White castles kingside. Black plays the queen's pawn to d6. White advances the queen's pawn to d4.
Black develops the light-squared bishop to d7. White transfers the knight to c3. Black places the dark-squared bishop to e7.
White captures with the light-squared bishop on c6.