Scotch gambit - Anderssen (Paulsen - Suhle) counter-attack
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O d6 6. c3 Bg4
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 pushes the queen's pawn to d4. Black captures on d4 with the king's pawn.
White develops the light-squared bishop to c4. Black develops the dark-squared bishop to c5. White castles kingside.
Black moves the queen's pawn to d6. White plays the c-pawn to c3. Black places the light-squared bishop to g4.