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Attack on the uncastled king: queen to d4 (c3·3)

c9-25933
Puzzle rating: 1200Theme: 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

23. Qxd4 O-O-O 24. Qxb6 Qe7 25. dxc4 dxe4 26. Ra1

Why it works

  • Great move! queen to d4 keeps the pressure (+5.3).
  • Spot on — queen to b6 (+5.4).
  • Precise: pawn to c4 is the top choice (+6.0).
  • Great move! rook to a1 keeps the pressure (+6.4).
  • You win a piece — the bishop.
  • If instead O-O-O, then Qxb6 and you win the bishop.

About this position

These pieces come from starting position #591.

Explore position #591

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