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Attack on the uncastled king: pawn to e4 (f3·33)

c9-19945
Puzzle rating: 920Theme: 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

20. fxe4 b4 21. exd5

Why it works

  • Great move! pawn to e4 keeps the pressure (+1.8).
  • Spot on — pawn to d5 (+2.7).
  • You win a piece — the knight.
  • If instead b4, then exd5 and you win the knight.

About this position

These pieces come from starting position #415.

Explore position #415

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