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Attack on the uncastled king: queen to b4

c9-00347
Shuffle Rating 780Theme: Chess960 twist: use the unusual starting setup of the pieces.
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

5. Qxb4 a5 6. Qh4 Nf6 7. Nf3

Why it works

  • Great move! queen to b4 keeps the pressure (+3.3).
  • queen to h4 develops smoothly.
  • A natural move: knight to f3.
  • You reach a winning position (+3.4).
  • If instead a5, then Qc4 and you stay on top.

About this position

These pieces come from starting position #538.

SP-538 · BastionGuard — Both knights begin inside the board while the king stands on c or f; a position and its mirror twin share this family.

Explore position #538

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