Dutch - Staunton gambit - Lasker variation
1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3
White plays the queen's pawn to d4. Black advances the f-pawn to f5. White pushes the king's pawn to e4.
Black captures on e4 with the f-pawn. White develops the knight to c3. Black develops the knight to f6.
White develops the dark-squared bishop to g5. Black plays the g-pawn to g6. White advances the f-pawn to f3.