Connected passed pawns
In the endgame, every move counts. Therefore, it’s extremely important to understand at a glance whether or not your pawns are able to promote. Connected pawns are the easiest type of pawn chain to promote - www.ragchess.com
Black (to move) creates connected passed pawns which win the day.
Which move did he play ?
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👍 Video - rook & 2 connected passed pawns v rook (0:45)