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Attack on the uncastled king: pawn to d5 (c4·104)

sf-u-0165
Puzzle rating: 780Theme: Uncastled king: the enemy king is stuck in the centre — punish it before it castles.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Uncastled king: the enemy king is stuck in the centre — punish it before it castles.

White to move — find the best continuation

Solution & explanation

Main line

7. cxd5 exd5 8. O-O O-O 9. d4

Why it works

  • Great move! pawn to d5 keeps the pressure (+5.6).
  • king to g1 develops smoothly.
  • A natural move: pawn to d4.
  • You win decisive material (+5.5).
  • If instead exd5, then Nb5 and you stay on top.

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