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Attack on the uncastled king: pawn to b7 (c6·3)

c9-07012
Puzzle rating: 1115Theme: 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

14. cxb7 O-O 15. Rc8 Kg7 16. b8=Q

Why it works

  • Great move! pawn to b7 keeps the pressure (+2.8).
  • Well found: rook to c8 (+3.0).
  • Strong! pawn to b8 is the sharp choice (+2.8).
  • You win a piece — the rook.
  • If instead O-O, then Rc8 and you win the rook.

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