R-40

  Unlike position with rook’s pawn that we saw in example 3., in all other cases cutting-off along fifth rank is not absolute. For example, in next position, with b-pawn, black king can squeeze behind the pawn and than help it advance. Anyway, here it is not enough to save the game since by cutting-off […]

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R-36A

  When black pieces still haven’t crossed the fifth rank, with a rook behind (b8) or in front (b1) of the pawn, White to move almost always wins. Only exceptions are the squares f8, g8 and h8. This position was thoroughly examined by Y. Averbakh in 1984.  

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