King's Gambit (1.e4 e5 2.f4)

ECO C30 48,247,030 games Stockfish -0.66

The most romantic opening in chess — and, by modern engines, one of the most dubious. Stockfish gives Black a clear −0.66 after 2.f4, yet White still wins more games than Black. Play it against the engine below and feel the tension yourself.

Play the King's Gambit against the engine

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The engine verdict: objectively dubious

White throws the f-pawn at the center to pry open the f-file and build a big pawn duo with d4 and e4. Principled — but it weakens White's own king. At depth 16 Stockfish evaluates 1.e4 e5 2.f4 at −0.66: nearly two-thirds of a pawn in Black's favour. No top engine plays it. If you want a theoretically 'correct' opening, this isn't it.

Why it still wins below master level

The gap between theory and the scoreboard is the whole point of the King's Gambit. Across 48 million Lichess games White scores 53.8%more than Black — because the positions are sharp, open, and easy to misplay if you've never faced them. The engine refutes it; an unprepared human usually can't.

How to face it: take the pawn

Stockfish's antidote is the greedy one: 2...exf4, accept the gambit and develop while the extra pawn sits on f4. The win-rate data agrees that declining is worse — replying 2...Nc6 costs about 0.85 of a pawn versus accepting, 2...d6 about 0.80, and 2...d5 (the Falkbeer Countergambit) about 0.56. Grab on f4, meet 3.Nf3 or 3.Bc4 with calm development, and the pawn — and the better game — is yours.

If you want to play it as White

Go in with open eyes: you're betting on initiative and your opponent's discomfort, not on objective truth. It's a superb practical and training weapon at club level and in blitz — just don't expect it to survive against real preparation or an engine.

Results across 48,247,030 Lichess games

53.8%
3.1%
43.2%
■ White 53.8% ■ Draw 3.1% ■ Black 43.2%
Most-played continuationGamesWhite wins
exf421,734,04154.2%
Nc610,916,05753.4%
d66,693,46553.8%
d53,283,58248.2%
Bc51,401,63951.1%
Nf61,124,16854.0%

Frequently asked questions

Is the King's Gambit sound?

No, not by modern standards. Stockfish evaluates 1.e4 e5 2.f4 at about −0.66 (in Black's favour) and no top engine plays it. It's playable and fun, but objectively dubious.

Why does White still win with the King's Gambit?

Practical chaos. Across 48 million Lichess games White scores 53.8% because the positions are razor-sharp and an unprepared defender goes wrong easily — the refutation exists but is hard to find over the board.

What's the best response to the King's Gambit?

Accept it with 2...exf4. The engine and the win-rate data agree that declining (2...Nc6, 2...d6, or 2...d5) hands White between roughly 0.5 and 0.85 of a pawn compared with taking.

Is the King's Gambit good for beginners?

As a learning tool, yes — it teaches initiative, open-file play, and king safety fast. Just know you're playing a gambit the engine refutes, so lean on it for practice rather than for objective results.

How many games feature the King's Gambit?

Over 48 million Lichess games have reached the King's Gambit position. White wins 53.8%, Black wins 43.2%, with 3.1% draws — based on real rated games.

What is Stockfish's evaluation of the King's Gambit?

At depth 16, Stockfish rates the King's Gambit as a slight advantage for Black (-0.66) from White's perspective. This is the computer's assessment of the position after the main opening moves.