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Attack on the uncastled king: queen to a4 (a3)

c9-21431
Puzzle rating: 920Theme: 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

9. Qxa4 Bxc1 10. Kxc1

Why it works

  • Great move! queen to a4 keeps the pressure (+3.4).
  • Well found: king to c1 (+3.2).
  • You reach a winning position (+3.2).
  • If instead Bxc1, then Kxc1 and you stay on top.

About this position

These pieces come from starting position #239.

Explore position #239

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