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Skewer: rook to b4 (b7)

li-0FDI6
Puzzle rating: 1884Theme: Skewer: a valuable piece is forced to move, exposing the one behind it.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Skewer: a valuable piece is forced to move, exposing the one behind it.

White to move — find the best continuation

Solution & explanation

Main line

40. R7xb4+ axb4 41. Ra1+ Kb5 42. Rxa8

Why it works

  • Great move! rook to b4 keeps the pressure (+5.6).
  • Well found: rook to a1 (+5.5).
  • Strong! rook to a8 is the sharp choice (+5.9).
  • You win a piece — the rook.
  • If instead axb4, then Ra1+ and you stay on top.

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