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Castling-960 to the rescue on a8 (b8·3)

c9-17100
Puzzle rating: 1340Theme: Castling 960: the strongest move is to castle — drag the king onto its rook.
h1g2f3e4d5c6b7a8
Black 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.

Black to move — find the best continuation

Solution & explanation

Main line

19... O-O-O 20. bxc7 Rxd4 21. Rb8+ Kxc7

Why it works

  • Great move! king to c8 keeps the pressure (+3.5).
  • Well found: rook to d4 (+3.6).
  • Strong! king to c7 is the sharp choice (+3.7).
  • You win a piece — the queen.
  • If instead Qg1, then Rxg4 and you stay on top.

About this position

These pieces come from starting position #750.

Explore position #750

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