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Pin: queen to g3

li-01Qia
Puzzle rating: 1841Theme: Pin: a piece can't move without exposing something more valuable behind it.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Pin: a piece can't move without exposing something more valuable behind it.

White to move — find the best continuation

Solution & explanation

Main line

28. Qg3+ e5 29. Rxg8+ Rxg8 30. Qxg8+

Why it works

  • Great move! queen to g3 keeps the pressure (+5.4).
  • Well found: rook to g8 (+5.6).
  • Strong! queen to g8 is the sharp choice (+5.7).
  • You win a piece — the rook.
  • If instead e5, then Rxg8+ and you win the rook.

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