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Attack on the uncastled king: queen to a2 (b1·3)

c9-13608
Puzzle rating: 970Theme: 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. Qa2 O-O-O 17. O-O g5 18. Nd4

Why it works

  • Great move! queen to a2 keeps the pressure (+2.6).
  • king to g1 develops smoothly.
  • A natural move: knight to d4.
  • You reach a winning position (+2.6).
  • If instead O-O-O, then O-O and you stay on top.

About this position

These pieces come from starting position #503.

Explore position #503

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