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Castling-960 to the rescue on h1 (g1·8)

sf-c-0017
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

19. O-O e6 20. Nc3 a1=Q 21. Rxa1

Why it works

  • Great move! king to g1 keeps the pressure (+4.2).
  • knight to c3 develops smoothly.
  • Strong! rook to a1 is the sharp choice (+4.5).
  • You reach a winning position (+4.5).
  • If instead h6, then Nxe7+ and you stay on top.

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