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Attack on the uncastled king: rook to b1 (c1)

c9-05666
Puzzle rating: 1159Theme: 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

10. Rxb1 Bxf3 11. Bxf3

Why it works

  • Great move! rook to b1 keeps the pressure (+4.2).
  • Spot on — bishop to f3 (+4.0).
  • You win a piece — the queen.
  • If instead Bxf3, then Bxf3 and you win the queen.

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