Pawn Endgame

The theme in this type of endgame is the pawn structure, or maybe more accurately the squares they can control from the rook file.

White to move

Once you see this, and play a few examples, it becomes very obvious, but I am sure that being presented with this in a game , especially with  limited time, it could seem like a difficult place to be.

However, the idea of the power of the doubled pawns , in conjunction with other blocks, is a useful tool to have and use.

Highlight for solution [1. g5    ]