Chessy
Play the King's Gambit Declined: Queen's Knight Defense with ...Qh4+
After 1.e4 e5 2.f4 Nc6, White pushes again with 3.f5 — and you strike back with 3...Qh4+. This is the Queen's Knight Defense: f5 variation, and the numbers are stunning. Over nearly 31,000 games from here, Black wins 79.8% of the time. The engine gives this position a rating of -4.81, a massive advantage for Black. In other words, you are winning by an enormous margin. The drill below lets you practise converting this crushing start into a full point. Let's see why your position is so good and how to handle White's two main replies.
Play the King's Gambit Declined: Queen's Knight Defense: f5 against the engine
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Play through the Queen's Knight Defense: f5 variation against our adaptive engine. Practise punishing White's mistakes and converting your massive early lead.
Create a free account →Why ...Qh4+ Is So Dangerous
By playing 3...Qh4+, you attack the undefended e4-pawn and put immediate pressure on White. The pawn on f5 has weakened the kingside dark squares, and your queen infiltrates early. White's king is suddenly exposed — they cannot castle kingside, and any misstep can lead to a quick collapse. The engine evaluates this at -4.81, a near-winning advantage for you. What makes this especially painful for White is that the natural-looking defensive move, 4.Ke2, actually makes things worse. Your queen on h4 is a powerhouse, and the e4-pawn is a tasty target that White cannot easily protect.
The Best Reply: 4.g3 — and What to Do Next
White's best move here is 4.g3, played in 20,954 games. After 4.g3, you continue with 4...Qxe4+ — your queen captures the pawn while giving check. The engine's top line then goes 5.Qe2 Qxh1, where you grab the rook in the corner. Yes, you trade your queen for a rook and a pawn — but look at the position: White's king is awkward, their development is stalled, and you still have your pieces ready to coordinate. Despite giving up the queen, this line maintains your winning advantage. In practice, White scores only 17.5% from this position, meaning you win roughly four out of every five games.
The Trap: 4.Ke2 Is a Mistake
Many White players instinctively move the king with 4.Ke2 (played 9,682 times). The facts are clear: this is a mistake that loses roughly 1.1 pawns of evaluation compared to 4.g3. After 4.Ke2, your queen on h4 still attacks e4, White's king is exposed in the centre, and Black's development can proceed smoothly. White scores only 20.6% after 4.Ke2 — even worse than after 4.g3. If your opponent plays 4.Ke2, you can treat it as an even bigger gift. Develop naturally, keep the queen active, and exploit White's uncastled king.
Black's Winning Plan in Three Steps
Once you've played 3...Qh4+, here is a simple roadmap. First, capture the e4-pawn when possible — either immediately after 4.g3 (4...Qxe4+) or after preparation if White plays 4.Ke2. Second, keep your queen active; don't trade it off frivolously. In the 4.g3 line, the queen-for-rook swap is calculated and good, but in general your queen is a monster on h4 and e4. Third, develop your kingside pieces quickly — your light-squared bishop to c5 or b4, knights to f6 and maybe d4 — while White struggles to coordinate. With an 79.8% win rate from this starting position, the statistics prove that this is one of the most punishing lines Black can play against the King's Gambit.
Results across 30,636 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| g3 | 20,954 | 17.5% |
| Ke2 | 9,682 | 20.6% |
Frequently asked questions
Is 3...Qh4+ a good move against the King's Gambit?
Yes, it is excellent. The engine rates the position at -4.81 in Black's favour, meaning you have a near-winning advantage. Across over 30,000 games, Black wins 79.8% of the time from this exact position.
Should Black take the e4-pawn after 4.g3?
Yes. The engine's top line is 4.g3 Qxe4+ 5.Qe2 Qxh1, capturing the rook. Even though you give up your queen, you end up with a rook and pawn for it, and White's king remains exposed. This maintains your large advantage.
What if White plays 4.Ke2 instead of 4.g3?
That is a mistake that loses around 1.1 pawns of evaluation. Your queen stays on h4 attacking e4, and White's king is stuck in the centre. White scores only 20.6% after 4.Ke2, so you can treat it as an even more favourable outcome.
Why does Black win so often from this position?
White's 3.f5 weakens the kingside and leaves the e4-pawn undefended. Your 3...Qh4+ exploits both issues immediately. White cannot castle kingside safely, their development is awkward, and Black has a clear plan of capturing e4 and attacking the exposed white king.
How many games feature the King's Gambit Declined: Queen's Knight Defense: f5?
Over 30K Lichess games have reached the King's Gambit Declined: Queen's Knight Defense: f5 position. White wins 18.5%, Black wins 79.8%, with 1.7% draws — based on real rated games.