King's Gambit Declined, Queen's Knight Defense Trap
Black gets a winning position on move 3
King's Gambit Declined: Queen's Knight Defense (C30) is a real game that ended in a trap. On move 3, White played 3.f5? — a natural-looking move — and Black replied 3...Qh4+. The result: Black gets a winning position on move 3.
Watch the trap, then test yourself
The moves, one by one
- 1.
- 2.
- 3.
Tap a move to jump to it. The red move is the mistake.
Why the trap works
The mistake 3.f5 looks harmless, but it allows 3...Qh4+. No piece is lost immediately, but the trapper gets a clearly winning position. With this single move the engine evaluation swings by roughly 10.1 pawns in Black’s favour.
How to avoid it
Instead of 3.f5, safe options are Nf3, Nc3, Bc4, Be2. The habit that saves you: before every natural-looking move, ask what your opponent’s best reply is — here it is 3...Qh4+.
How to set it
Playing Black? Follow the moves above up to move 3, then wait for 3.f5. If your opponent finds Nf3 instead, just keep playing sound chess and look for the next chance.
Trap facts
- Opening
- King's Gambit Declined: Queen's Knight Defense
- ECO code
- C30
- Difficulty
- Rookie
- Springs the trap
- Black
- The mistake
- 3.f5?
- The punishment
- 3...Qh4+
- Safe moves
- Nf3, Nc3, Bc4, Be2
- Game
- Norlin - Guraj (1974)
- Position before the mistake (FEN)
r1bqkbnr/pppp1ppp/2n5/4p3/4PP2/8/PPPP2PP/RNBQKBNR w KQkq - 1 3
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Frequently asked questions
What is the King's Gambit Declined: Queen's Knight Defense trap?
King's Gambit Declined: Queen's Knight Defense (C30) is a real game that ended in a trap. On move 3, White played 3.f5? — a natural-looking move — and Black replied 3...Qh4+. The result: Black gets a winning position on move 3.
How do you avoid the King's Gambit Declined: Queen's Knight Defense trap?
Instead of 3.f5, safe options are Nf3, Nc3, Bc4, Be2. The habit that saves you: before every natural-looking move, ask what your opponent’s best reply is — here it is 3...Qh4+.
How fast does the King's Gambit Declined: Queen's Knight Defense trap win?
Black gets a winning position on move 3, after White falls for 3.f5.
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