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Attack on the uncastled king: queen to b4 (e1·5)

c9-05701
Puzzle rating: 1071Theme: 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

11. Qxb4 O-O 12. Qe1 f5 13. c3

Why it works

  • Great move! queen to b4 keeps the pressure (+4.7).
  • queen to e1 develops smoothly.
  • Precise: pawn to c3 is the top choice (+4.2).
  • You win a piece — the knight.
  • If instead a5, then Qe1 and you win the knight.

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