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Attack on the uncastled king: knight to a3 (c2·5)

sf-u-0134
Puzzle rating: 780Theme: Uncastled king: the enemy king is stuck in the centre — punish it before it castles.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Uncastled king: the enemy king is stuck in the centre — punish it before it castles.

White to move — find the best continuation

Solution & explanation

Main line

12. Nxa3 Qa2 13. Nc2 a3 14. Rb5

Why it works

  • Great move! knight to a3 keeps the pressure (+2.1).
  • Well found: knight to c2 (+1.9).
  • A natural move: rook to b5.
  • You win a piece — the bishop.
  • If instead Qa2, then Nc2 and you win the bishop.

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