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Attack on the uncastled king: pawn to c4 (b3·9)

c9-01009
Puzzle rating: 1099Theme: 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. bxc4 dxc4 17. Nf2 f5 18. gxf5

Why it works

  • Great move! pawn to c4 keeps the pressure (+2.5).
  • knight to f2 develops smoothly.
  • Precise: pawn to f5 is the top choice (+2.3).
  • You win a piece — the knight.
  • If instead dxc4, then Nf2 and you stay on top.

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