Tolush – Botvinnik1945
Botvinnik made the Winawer a world-championship weapon, and this is the version the repertoire's positional line is built on: the bishop for the doubled pawns, the queen to a5, and …c4 to shut the queenside so that the bishop pair has nowhere to breathe. The a-pawn falls on move eleven and White is still finding out.
Inside your repertoire until move 8