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Attack on the uncastled king: pawn to g4 (g3·4)

c9-23218
Puzzle rating: 1610Theme: 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

11. g4 Nxb3+ 12. Bxb3

Why it works

  • Great move! pawn to g4 keeps the pressure (+4.7).
  • Spot on — bishop to b3 (+4.7).
  • You reach a winning position (+4.7).
  • If instead Nxb3+, then Bxb3 and you stay on top.

About this position

These pieces come from starting position #253.

Explore position #253

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