Ruy Lopez - classical defence - Benelux variation
1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. O-O O-O 6. d4 Bb6
White moves the king's pawn to e4. Black pushes 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.
White plays the c-pawn to c3. Black transfers the knight to f6. White castles kingside.
Black castles kingside. White pushes the queen's pawn to d4. Black deploys the dark-squared bishop to b6.