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Attack on the uncastled king: pawn to a5 (b4·17)

sf-u-0091
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

22. bxa5 a3 23. Qxa3 Nd7 24. Qa4

Why it works

  • Great move! pawn to a5 keeps the pressure (+8.2).
  • Spot on — queen to a3 (+8.9).
  • A natural move: queen to a4.
  • You win a piece — the queen.
  • If instead Ng6, then Qxa4+ and you win the queen.

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