fair game

away game

An athletic contest played away from the team's home field.

back in the game

Having recovered from a disadvantageous position.

blame game

A situation in which people attempt to blame others rather than trying to resolve a problem.

change the game

To revolutionize a field of endeavor.

fair coin

A sequence of independent Bernoulli trials (a Bernoulli process) with probability 1/2 of success on each trial.

fair crack of the whip

Let's have an equitable attempt, match, or process. Used as an appeal for reasonableness.

fair enough

An expression used to concede a point, but suggesting that the broader argument is incorrect.

fair sex

Women collectively.