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Attack on the uncastled king: pawn to g4 (f3·10)

c9-04049
Puzzle rating: 1080Theme: 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. fxg4 Qd7 5. O-O g5 6. Nb3

Why it works

  • Great move! pawn to g4 keeps the pressure (+5.1).
  • king to g1 develops smoothly.
  • Precise: knight to b3 is the top choice (+4.8).
  • You win a piece — the bishop.
  • If instead g5, then O-O and you win the bishop.

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