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Attack on the uncastled king: rook to b1 (a1·5)

c9-26766
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

4. Rb1 Bxc1 5. Kxc1 Nc6 6. Bxa8

Why it works

  • Great move! rook to b1 keeps the pressure (+2.1).
  • Spot on — king to c1 (+1.3).
  • Strong! bishop to a8 is the sharp choice (+1.6).
  • You win a piece — the rook.
  • If instead Bxc1, then Kxc1 and you stay on top.

About this position

These pieces come from starting position #475.

Explore position #475

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