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Attack on the uncastled king: pawn to g5 (f4·32)

c9-08308
Puzzle rating: 1062Theme: 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

4. fxg5 O-O-O 5. b4 f5 6. exf5

Why it works

  • Great move! pawn to g5 keeps the pressure (+5.1).
  • pawn to b4 develops smoothly.
  • Precise: pawn to f5 is the top choice (+4.9).
  • You win a piece — the bishop.
  • If instead O-O-O, then d4 and you win the bishop.

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