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Chess960 tactic on a5 (b4)

c9-09901
Puzzle rating: 2400Theme: 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

27. Ba5+ Kd6 28. Qxd5+ Ke7 29. Qd6+ Ke8 30. Qd8#

Why it works

  • Best move. bishop to a5 is exactly what the engine plays (#3).
  • Spot on — queen to d5 (#2).
  • Precise: queen to d6 is the top choice (#1).
  • Best move. queen to d8 is exactly what the engine plays (#).
  • The line ends in a forced mate in 4.
  • If instead Kd6, then Qxd5+ and you win the knight.

About this position

These pieces come from starting position #74.

Explore position #74

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