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Attack on the uncastled king: queen to b1 (a1·5)

c9-05849
Puzzle rating: 1111Theme: 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. Qxb1 Qxa7 11. Nc3 Kf7 12. O-O

Why it works

  • Great move! queen to b1 keeps the pressure (+2.1).
  • knight to c3 develops smoothly.
  • A natural move: king to g1.
  • You win a piece — the rook.
  • If instead Qxa7, then Nc3 and you win the rook.

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