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Trap the knight on b1

li-00BM8
Puzzle rating: 1526Theme: Trapped piece: an enemy piece has no safe squares — catch it.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Trapped piece: an enemy piece has no safe squares — catch it.

White to move — find the best continuation

Solution & explanation

Main line

17. Nb1 Qxa4 18. Qxa4

Why it works

  • Great move! knight to b1 keeps the pressure (+3.6).
  • Well found: queen to a4 (+3.8).
  • You win a piece — the queen.
  • If instead Qxa4, then Qxa4 and you win the queen.

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