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Attack on the uncastled king: pawn to a6

c9-01554
Puzzle rating: 1109Theme: 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. bxa6 bxa6 10. Rxb8+ Kxb8 11. Qb2+

Why it works

  • Great move! pawn to a6 keeps the pressure (+6.9).
  • Spot on — rook to b8 (+6.7).
  • Precise: queen to b2 is the top choice (+6.7).
  • You win a piece — the queen.
  • If instead bxa6, then Nd2 and you win the queen.

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