Tournaments

TOURNAMENTS · FIELD NOTE

Risk premium: the ICM idea that reshapes your ranges

Tournament chips stop being worth one-for-one near meaningful payout changes. Your calling range should notice.

In a cash game, doubling your stack roughly doubles its value. That is rarely true in a tournament. If you lose every chip, you lose your chance at all future prizes. If you double up, your expected payout usually does not double. This extra cost of going broke creates risk premium.

The short answer

Start with the chips-only answer, then ask what happens if you lose. Tighten close all-in calls when a covering stack can knock you out and shorter stacks are likely to bust first. Do not use “ICM” as a reason to fold everything; the actual payouts and stack sizes decide how much the answer moves.

Three useful words

Chip EV, or chip expected value, treats every chip won and lost the same. ICM stands for Independent Chip Model; it estimates how each stack translates into a share of the remaining prizes. Risk premium is the extra chance to win that a call needs because going broke hurts more than winning the same number of chips helps.

Two quick examples

  • Reasonable: Four players remain, three are paid, and you have 20 big blinds (20bb) while another player has 3bb. Folding A♣ 9♣ to a covering stack's shove can be reasonable even if it would be a chip-EV call.
  • Not reasonable: You fold A♠ A♦ because “ICM says survive.” Risk premium tightens close calls; it does not turn a huge edge into an automatic fold.

Practice this spot first

Four players remain and three get paid. You have 20bb in the big blind, the small blind has 3bb, and the 40bb button shoves. Decide with ace-nine suited before opening the hand. Then remove the payout bubble and decide again.

PRACTICE SPOT · GTO DOJOPlay this spot ↗

Calling puts the whole risk on you

When you shove, you can win because everyone folds or because you win at showdown. When you call an all-in, you cannot make anyone fold. You must risk the chips and see the hand through to the end.

That is why payout pressure can let a player shove more hands while forcing a caller to fold more hands. In the practice spot, the button can win when both blinds fold or by winning at showdown. The big blind has only the second path and must risk the whole 20bb stack. The button is using that extra cost against you.

Stack distribution matters more than labels

“On the bubble” is not a complete description. A medium stack with several shorter stacks may need to be very careful. The chip leader may be able to enter more pots because nobody wants to bust. The shortest stack may sometimes call wider because the blinds will soon force it to gamble anyway.

Before changing a range, inventory:

  1. The next payout jump that players are trying to reach.
  2. Every stack that can bust before you.
  3. Which opponent covers whom.
  4. How quickly the blinds will force action.

Avoid the survival-at-all-costs trap

ICM does not say “never gamble.” It changes the price of risk. Passing every thin edge can be as damaging as calling too freely, especially when your shrinking stack will soon lose the ability to make other players fold.

Dojo rule: Tighten when losing hurts more than winning helps—not merely because the tournament feels important.

Train the comparison

Replay the ace-nine hand twice. First ignore the payouts and judge the call only by chips won or lost. Then use the real structure, where three players are paid and the small blind has 3bb. Before checking, decide whether A♣ 9♣, A♠ J♠, and 7♥ 7♦ call in each version. The hands that change show you where risk premium starts to matter.

Keep studying

Apply risk premium to the raise-or-shove decisions at 15 big blinds, big-blind defense against a strong under-the-gun range, and the tighter decisions that follow a squeeze. Each spot shows a different way that the cost of losing chips can outweigh the chips you might win.