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Attack on the uncastled king: pawn to f4 (e3·39)

c9-07858
Puzzle rating: 1060Theme: 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. exf4 b5 8. Nc3 bxc4 9. Qxc4

Why it works

  • Great move! pawn to f4 keeps the pressure (+3.8).
  • knight to c3 develops smoothly.
  • Precise: queen to c4 is the top choice (+3.8).
  • You win a piece — the knight.
  • If instead Ng6, then Ng3 and you win the knight.

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