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Attack on the uncastled king: pawn to a5 (b4·5)

c9-03984
Puzzle rating: 1074Theme: 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

9. bxa5 O-O 10. Kh1 Nc7 11. Qe1

Why it works

  • Great move! pawn to a5 keeps the pressure (+7.4).
  • king to h1 develops smoothly.
  • A natural move: queen to e1.
  • You win a piece — the queen.
  • If instead O-O, then Qe1 and you win the queen.

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