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Attack on the uncastled king: pawn to b7 (a6·11)

c9-22226
Puzzle rating: 1700Theme: 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

14. axb7+ Rxb7 15. Qxb7+ Kxb7 16. Na5+ Kc8 17. Nxc4

Why it works

  • Great move! pawn to b7 keeps the pressure (+5.8).
  • Well found: queen to b7 (+5.8).
  • Strong! knight to a5 is the sharp choice (+5.8).
  • Great move! knight to c4 keeps the pressure (+5.8).
  • You win a piece — the queen.
  • If instead Rxb7, then Qxb7+ and you win the rook.

About this position

These pieces come from starting position #265.

Explore position #265

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