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Attack on the uncastled king: pawn to b3 (a2·10)

c9-04449
Puzzle rating: 780Theme: 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. axb3 O-O 12. Bd3 c5 13. Rc3

Why it works

  • Great move! pawn to b3 keeps the pressure (+5.2).
  • bishop to d3 develops smoothly.
  • Precise: rook to c3 is the top choice (+5.1).
  • You win a piece — the queen.
  • If instead O-O-O, then Ke1 and you win the queen.

About this position

These pieces come from starting position #252.

Explore position #252

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