GlossaryTournaments

Chip leader

The biggest stack at the table, which covers everyone and so risks the least in any single all-in.

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What it means
The chip leader can lose any one all-in and still be in the tournament. Every other player risks busting when they play a pot against it.
How it is calculated
As the leader, open and shove wider into stacks that must fold to stay alive, and call a little wider. Against the leader, tighten your calls and re-shoves, because it is the player who can bust you.
Worked example
At a final table with a 55bb leader, a 14bb big blind facing the leader's shove needs about 59% equity under ICM, against 44% in chips. The leader calling a 22bb re-shove needs only 48%, against 43% in chips.
Why it matters
Chip-leader pressure is where ICM is most visible: the same hand is a call for the big stack and a fold for the stack it covers.

Try it: Push/fold calculator

See also: Covering stack, Pay jump, ICM