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Attack on the uncastled king: pawn to b3 (a2·13)

c9-04891
Puzzle rating: 1115Theme: 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. axb3 Kf7 17. O-O Ng4 18. h3

Why it works

  • Great move! pawn to b3 keeps the pressure (+4.0).
  • king to g1 develops smoothly.
  • A natural move: pawn to h3.
  • You win a piece — the rook.
  • If instead Kf7, then O-O and you win the rook.

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