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Attack on the uncastled king: rook to b8 (b1·9)

sf-u-0061
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. Rxb8+ Kf7 13. Be5 Rxb8 14. Bxc7

Why it works

  • Great move! rook to b8 keeps the pressure (+3.4).
  • Well found: bishop to e5 (+3.5).
  • Precise: bishop to c7 is the top choice (+3.4).
  • You win a piece — the rook.
  • If instead Kf7, then Be5 and you win the rook.

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