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Attack on the uncastled king: queen to f4 (c1·2)

c9-03412
Puzzle rating: 1104Theme: 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. Qxf4 O-O 17. O-O Bxc4 18. Rf5

Why it works

  • Great move! queen to f4 keeps the pressure (+3.3).
  • king to g1 develops smoothly.
  • Precise: rook to f5 is the top choice (+3.4).
  • You reach a winning position (+3.4).
  • If instead O-O, then Qg3 and you win the bishop.

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