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Castling-960 to the rescue on b1 (c1·9)

c9-22660
Puzzle rating: 1570Theme: Castling 960: the strongest move is to castle — drag the king onto its rook.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Castling 960: the strongest move is to castle — drag the king onto its rook.

White to move — find the best continuation

Solution & explanation

Main line

15. O-O-O+ Kc8 16. Ne6 b6 17. Qxa7 Rb7 18. Qa8+

Why it works

  • Great move! king to c1 keeps the pressure (#4).
  • Well found: knight to e6 (#3).
  • Precise: queen to a7 is the top choice (#2).
  • Great move! queen to a8 keeps the pressure (#1).
  • You win decisive material (+15.0).
  • If instead Kc8, then Ne6 and you stay on top.

About this position

These pieces come from starting position #349.

Explore position #349

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