ENDGAME

The final stage of a game of chess, when there are few pieces left.

"Rooks become much more important in the endgame."

The final stage of a game of bridge, when there are few cards left.

"You can't really use squeeze plays until the endgame."

The final stage of an extended process or course of events, especially with the implication of the imminent realization of a masterful strategy or plan.

"What's her endgame, do you think?"