Benko Gambit Declined, Main Line Trap

Black wins a piece on move 10

Sharp A57 Wins a piece Springs the trap: Black

Benko Gambit Declined: Main Line (A57) is a real game that ended in a trap. On move 10, White played 10.Qc2? — a natural-looking move — and Black replied 10...Nxc3. The result: Black wins a piece on move 10.

Watch the trap, then test yourself

The moves, one by one

  1. 1.
  2. 2.
  3. 3.
  4. 4.
  5. 5.
  6. 6.
  7. 7.
  8. 8.
  9. 9.
  10. 10.

Tap a move to jump to it. The red move is the mistake.

Why the trap works

The mistake 10.Qc2 looks harmless, but it allows 10...Nxc3. The trapper ends up a full piece ahead. With this single move the engine evaluation swings by roughly 2.9 pawns in Black’s favour.

How to avoid it

Instead of 10.Qc2, safe options are O-O, Bd2, Nd2, Kf1. The habit that saves you: before every natural-looking move, ask what your opponent’s best reply is — here it is 10...Nxc3.

How to set it

Playing Black? Follow the moves above up to move 10, then wait for 10.Qc2. If your opponent finds O-O instead, just keep playing sound chess and look for the next chance.

Trap facts

Opening
Benko Gambit Declined: Main Line
ECO code
A57
Difficulty
Sharp
Springs the trap
Black
The mistake
10.Qc2?
The punishment
10...Nxc3
Safe moves
O-O, Bd2, Nd2, Kf1
Game
Spassov - Adorjan (1977)
Position before the mistake (FEN)
rnb1k2r/4ppbp/P2p2p1/q1pP4/4n3/2N2NP1/PP2PPBP/R1BQK2R w KQkq - 3 10

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Frequently asked questions

What is the Benko Gambit Declined: Main Line trap?

Benko Gambit Declined: Main Line (A57) is a real game that ended in a trap. On move 10, White played 10.Qc2? — a natural-looking move — and Black replied 10...Nxc3. The result: Black wins a piece on move 10.

How do you avoid the Benko Gambit Declined: Main Line trap?

Instead of 10.Qc2, safe options are O-O, Bd2, Nd2, Kf1. The habit that saves you: before every natural-looking move, ask what your opponent’s best reply is — here it is 10...Nxc3.

How fast does the Benko Gambit Declined: Main Line trap win?

Black wins a piece on move 10, after White falls for 10.Qc2.


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