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Attack on the uncastled king: knight to b5 (c3·11)

c9-07163
Puzzle rating: 1071Theme: 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

11. Nxb5 O-O-O 12. Bxc6 g5 13. Nxa7+

Why it works

  • Great move! knight to b5 keeps the pressure (+6.3).
  • Spot on — bishop to c6 (+6.3).
  • Precise: knight to a7 is the top choice (+6.6).
  • You win a piece — the queen.
  • If instead O-O-O, then Qe3 and you win the queen.

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