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Attack on the uncastled king: pawn to a5 (b4·2)

c9-01425
Puzzle rating: 1074Theme: 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

7. bxa5 d5 8. O-O d4 9. Ne5

Why it works

  • Great move! pawn to a5 keeps the pressure (+4.6).
  • Spot on — king to g1 (+4.6).
  • Precise: knight to e5 is the top choice (+4.2).
  • You win a piece — the knight.
  • If instead b5, then Bc3 and you win the knight.

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