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Attack on the uncastled king: pawn to c5 (b4·3)

c9-01162
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

10. bxc5 O-O 11. cxb6 cxb6 12. Nd1

Why it works

  • Great move! pawn to c5 keeps the pressure (+5.9).
  • Spot on — pawn to b6 (+5.8).
  • Precise: knight to d1 is the top choice (+5.5).
  • You win a piece — the knight.
  • If instead O-O, then cxb6 and you win the knight.

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