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Attack on the uncastled king: bishop to a5 (e1·18)

c9-05462
Puzzle rating: 1630Theme: 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. Ba5+ b6 12. Bxb6+ Kc8 13. Qc7#

Why it works

  • Great move! bishop to a5 keeps the pressure (#2).
  • Well found: bishop to b6 (#1).
  • Strong! queen to c7 is the sharp choice (#).
  • The line ends in a forced mate in 3.
  • If instead b6, then Bxb6+ and you stay on top.

About this position

These pieces come from starting position #474.

Explore position #474

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