[NUCKING_FUTS_4]

The Zone System:

A means of relating your stack to the blinds/antes/other stacks and a suggested theory as to play based on that relativity during tournaments.

M:

Is called Magriel's M. All i know.
It is the ratio of your stack to the current total of the blinds and antes.

Q:

Is called Harrington's Q. and is the ratio of your stack to the average stack.

M overides Q or is stronger in weighting than Q.

Depending on your values there are differents zones or methods of play.