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Attack on the uncastled king: pawn to c4 (c3)

c9-06937
Puzzle rating: 1051Theme: 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

15. c4 c5 16. Nc1 cxb4 17. Nxb3

Why it works

  • Great move! pawn to c4 keeps the pressure (+3.6).
  • knight to c1 develops smoothly.
  • Precise: knight to b3 is the top choice (+4.2).
  • You win a piece — the queen.
  • If instead c5, then Nc1 and you stay on top.

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