Amar gambit
1. Nh3 d5 2. g3 e5 3. f4 Bxh3 4. Bxh3 exf4
White develops the knight to h3. Black pushes the queen's pawn to d5. White advances the g-pawn to g3.
Black pushes the king's pawn to e5. White plays the f-pawn to f4. Black develops the light-squared bishop to h3.
White develops the light-squared bishop to h3. Black captures on f4 with the king's pawn.