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Castling-960 to the rescue on a1 (b1·8)

c9-17301
Puzzle rating: 1620Theme: 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

22. O-O-O Rxc2+ 23. Nxc2 dxc2 24. Kxc2

Why it works

  • Great move! king to c1 keeps the pressure (+2.6).
  • Well found: knight to c2 (+2.3).
  • Precise: king to c2 is the top choice (+2.5).
  • You reach a winning position (+2.5).
  • If instead Rxc2+, then Nxc2 and you stay on top.

About this position

These pieces come from starting position #717.

Explore position #717

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