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Attack on the uncastled king: queen to b5 (a5·4)

c9-06023
Puzzle rating: 1060Theme: 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. Qxb5 Bd5 11. Be5 Nfg6 12. Nxe8

Why it works

  • Great move! queen to b5 keeps the pressure (+3.8).
  • bishop to e5 develops smoothly.
  • Precise: knight to e8 is the top choice (+4.1).
  • You win a piece — the rook.
  • If instead Bc6, then Qd3 and you stay on top.

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