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Back-rank mate in 2 on d1 (d5·3)

li-012tD
Puzzle rating: 803Theme: Back rank: the king is trapped behind its own pawns — use that.
h1g2f3e4d5c6b7a8
Black to move — find the best continuation

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The tactical motive

Back rank: the king is trapped behind its own pawns — use that.

Black to move — find the best continuation

Solution & explanation

Main line

36... Rd1+ 37. Rxd1 cxd1=Q#

Why it works

  • Great move! rook to d1 keeps the pressure (#1).
  • Spot on — pawn to d1 (#).
  • The line ends in a forced mate in 2.
  • If instead Rxd1, then cxd1=Q# and it is mate.

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