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Castling-960 to the rescue on a1 (e1·6)

c9-25515
Puzzle rating: 1760Theme: 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

14. O-O-O g6 15. exd5 gxf5 16. dxc6+ Kg6 17. g4

Why it works

  • Great move! king to c1 keeps the pressure (+2.2).
  • Spot on — pawn to d5 (+2.2).
  • Precise: pawn to c6 is the top choice (+2.3).
  • Sensible development: pawn to g4.
  • You reach a winning position (+2.5).
  • If instead g6, then exd5 and you stay on top.

About this position

These pieces come from starting position #509.

Explore position #509

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