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Attack on the uncastled king: queen to a1 (c1·2)

c9-15887
Puzzle rating: 1200Theme: 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

16. Qxa1 exd4 17. Bxd4 O-O 18. bxc4 Rxf5 19. cxd5

Why it works

  • Great move! queen to a1 keeps the pressure (+3.1).
  • Spot on — bishop to d4 (+3.0).
  • Precise: pawn to c4 is the top choice (+3.0).
  • Best move. pawn to d5 is exactly what the engine plays (+2.9).
  • You win a piece — the rook.
  • If instead exd4, then Bxd4 and you win the rook.

About this position

These pieces come from starting position #412.

Explore position #412

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