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Attack on the uncastled king: rook to g7 (g1·3)

c9-12348
Puzzle rating: 1670Theme: 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

29. Rxg7+ Kxg7 30. Qg5#

Why it works

  • Best move. rook to g7 is exactly what the engine plays (#1).
  • Spot on — queen to g5 (#).
  • The line ends in a forced mate in 2.
  • If instead Kxg7, then Qg5# and it is mate.

About this position

These pieces come from starting position #402.

Explore position #402

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