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Mate in 3: queen to b8 (b3·2)

li-0MCUF
Puzzle rating: 1863Theme: Mate in 3: a forced sequence that ends in checkmate.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Mate in 3: a forced sequence that ends in checkmate.

White to move — find the best continuation

Solution & explanation

Main line

18. Qb8+ Kd7 19. dxc6+ Kxc6 20. Qb5#

Why it works

  • Great move! queen to b8 keeps the pressure (#2).
  • Well found: pawn to c6 (#1).
  • Strong! queen to b5 is the sharp choice (#).
  • The line ends in a forced mate in 3.
  • If instead Kd7, then dxc6+ and you stay on top.

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