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Castling-960 to the rescue on a1 (c1·5)

c9-16215
Puzzle rating: 1340Theme: 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

24. O-O-O Rxd1+ 25. Qxd1 Bc7 26. g6

Why it works

  • Great move! king to c1 keeps the pressure (+3.5).
  • Well found: queen to d1 (+3.4).
  • Precise: pawn to g6 is the top choice (+3.2).
  • You reach a winning position (+3.2).
  • If instead Rxd1+, then Qxd1 and you stay on top.

About this position

These pieces come from starting position #669.

Explore position #669

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