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Winning blow: pawn to a8 (a7·3)

c9-17420
Puzzle rating: 970Theme: 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

20. a8=Q Bc6 21. Nba5 Bd5 22. Nxb7

Why it works

  • Great move! pawn to a8 keeps the pressure (+3.0).
  • Spot on — knight to a5 (+2.5).
  • Precise: knight to b7 is the top choice (+2.1).
  • You win a piece — the pawn.
  • If instead Qf7, then Qxb7 and you win the pawn.

About this position

These pieces come from starting position #375.

Explore position #375

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