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Attack on the uncastled king: king to b1 (c1·12)

c9-24820
Puzzle rating: 1250Theme: Chess960 twist: use the unusual starting setup of the pieces.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Chess960 twist: use the unusual starting setup of the pieces.

White to move — find the best continuation

Solution & explanation

Main line

20. Kb1 dxc5 21. Bxb7+ Kxb7 22. Rxd8

Why it works

  • Great move! king to b1 keeps the pressure (+2.3).
  • A brilliant blow: bishop to b7, and you stand better (+2.6).
  • Strong! rook to d8 is the sharp choice (+2.2).
  • You reach a winning position (+2.2).
  • If instead dxc5, then Bxb7+ and you stay on top.

About this position

These pieces come from starting position #671.

Explore position #671

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