Vienna Gambit Accepted: 3.f4 exf4

If Black incautiously accepts the gambit with 3...exf4, White sidesteps typical King's Gambit headaches: thanks to the c3-knight, 4.d4 or 4.e5 sweeps away Black's pieces and establishes an imperious center.

1.e4 e5 2.Nc3 Nf6 3.f4 exf4 4.e5 Qe7 5.Qe2 Ng8 6.Nf3

Move by move

1.e4 – The quintessential opening move: 1.e4! You seize the center, clear diagonals for bishop and queen, and establish an open, dynamic struggle.
1...e5 – The principled classical reply: 1...e5. Black stakes an equal claim in the center, establishing a solid presence and challenging White.
2.Nc3 – The defining hallmark of the Vienna Game: 2.Nc3! You develop the knight, controlling d5 and e4 while keeping the f-pawn free to advance.
2...Nf6 – Black develops the knight to f6, attacking your e4 pawn and accelerating the mobilization of their kingside defensive forces.
3.f4 – The sharp Vienna Gambit with 3.f4! You challenge Black's central e5 pawn directly without compromising your own king safety.
3...exf4 – Black accepts the gambit with 3...exf4: conceding the center to White, hoping to hold on to the surplus pawn on the kingside flank.
4.e5 – Aggressive central thrust with 4.e5! You evict Black's f6-knight from its natural post and establish a massive spatial advantage.
4...Qe7 – Black pins the pawn with 4...Qe7, attempting to restrain your central expansion and drum up premature tactical complications.
5.Qe2 – You neutralize the pin with 5.Qe2! Guarding your e5 pawn solidly while renewing the immediate threat to capture Black's knight.
5...Ng8 – Black's knight is forced into a mournful retreat to g8: Black has hemorrhaged precious tempi and fallen drastically behind in development.
6.Nf3 – You develop the knight to f3: commanding the center, preventing enemy checks, and preparing the effortless recapture of the f4 pawn.

How to exploit the position

Offer the f-pawn with 3.f4 to lure Black's e5 pawn away from the center

Answer acceptance with 4.d4 seizing the entire central territory with pawns
Thrust 5.e5 forcefully to evict Black's f6-knight and gain vital board space
Recapture the f4 pawn with the dark-squared bishop, completing piece deployment
Castle short and leverage the semi-open f-file to stage the final breakthrough

Master tips

Accepting with 3...exf4 is considered inferior: White commandeers the center for free

With the knight on c3, enemy queen checks on h4 are effortlessly controlled