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Attack on the uncastled king: king to a2

c9-02021
Puzzle rating: 1122Theme: 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. Kxa2 b6 10. Nc2 O-O 11. f3

Why it works

  • Great move! king to a2 keeps the pressure (+5.3).
  • Spot on — knight to c2 (+5.2).
  • Precise: pawn to f3 is the top choice (+4.8).
  • You win a piece — the queen.
  • If instead b6, then Qb1 and you win the queen.

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