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Attack on the uncastled king: rook to b7 (b3)

c9-09395
Puzzle rating: 1150Theme: 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

21. Rxb7+ Kxb7 22. Qxa4

Why it works

  • Great move! rook to b7 keeps the pressure (+5.1).
  • Well found: queen to a4 (+5.5).
  • You win a piece — the queen.
  • If instead Kxb7, then Qxa4 and you win the queen.

About this position

These pieces come from starting position #717.

Explore position #717

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