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Attack on the uncastled king: pawn to c5 (c4)

c9-17604
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

19. c5 Bb5 20. Nc3 Bxf1 21. Kxf1

Why it works

  • Great move! pawn to c5 keeps the pressure (+2.3).
  • Spot on — knight to c3 (+2.3).
  • Precise: king to f1 is the top choice (+2.5).
  • You reach a winning position (+2.5).
  • If instead Bb5, then Rf2 and you stay on top.

About this position

These pieces come from starting position #225.

Explore position #225

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