Giuoco Piano - Mestel variation
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. Bg5
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 c4. Black develops the dark-squared bishop to c5.
White pushes the c-pawn to c3. Black places the queen to e7. White moves the queen's pawn to d4.
Black moves the dark-squared bishop to b6. White deploys the dark-squared bishop to g5.