We have probably all heard the advice about passed Pawns: “Passed Pawns must be pushed.” But this is not always the case!
Many times, inexperienced players will heedlessly push their passed Pawn, completely oblivious to the opponent’s defensive resources. They may have read Irving Chernev’s classic book for beginning chess players, “Logical Chess: Move by Move.” (It’s the first book I read with any understanding – every move for every game is explained.) He said (several times, if I recall correctly), “passed pawns must be pushed.”
That is true, but not always true, and not true of King and Pawn v. King endings. For these endings, it’s more important to push the King! Max Euwe said this: