It became famous through the analysis of Viennese masters in the 19th century and has recently become popular again online, especially as the Vienna Gambit.
White's plan
Nc3 controls d5 and prepares the f4 push.
f4 opens the f-file for a kingside attack.
Calmer set-ups with Bc4 pressuring f7 are also possible.
Black's plan
2...Nf6 followed by ...d5 seeks counterplay in the centre.
King's Gambit — The King's Gambit sacrifices the f-pawn on move two to open the f-file and go straight for the king.
Italian Game — The Italian Game is a classic 1.e4 e5 opening in which White develops the bishop to c4 and eyes the weak f7 square.
Four Knights Game — The Four Knights Game, in which both sides develop their knights to their natural squares, is symmetrical and solid—perfect for learning opening principles.