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Attack on the uncastled king: knight to c5 (b3·9)

c9-05483
Puzzle rating: 1087Theme: Chess960 twist: use the unusual starting setup of the pieces.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Chess960 twist: use the unusual starting setup of the pieces.

White to move — find the best continuation

Solution & explanation

Main line

9. Nxc5 O-O-O 10. f6 Nb6 11. Qg2

Why it works

  • Great move! knight to c5 keeps the pressure (+7.3).
  • pawn to f6 develops smoothly.
  • Precise: queen to g2 is the top choice (+7.0).
  • You win a piece — the queen.
  • If instead O-O-O, then f6 and you win the queen.

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