In a cash game, every chip is worth exactly its face value. In a tournament it isn't. The Independent Chip Model, or ICM, is the standard way to turn a stack of tournament chips into its real-money value, and it explains why good tournament players fold hands that would be easy calls in a cash game.
Why tournament chips aren't worth face value
In most tournaments the winner doesn't take everything. Prize money is spread across several places, so the chips you win are worth less than the chips you lose. Doubling your stack doesn't double your expected prize, but losing all your chips takes it to zero.
ICM estimates each player's chance of finishing in each paid place based only on stack sizes, then multiplies those chances by the prize for each place. The result is each stack's dollar value, often called its $EV or ICM equity.
A worked example
Three players are left. The remaining prizes are $500 for 1st, $300 for 2nd and $200 for 3rd, $1,000 in total.
| Player | Chips | Share of chips | Chip-proportional value | ICM value |
|---|---|---|---|---|
| A | 5,000 | 50% | $500.00 | $383.93 |
| B | 3,000 | 30% | $300.00 | $327.50 |
| C | 2,000 | 20% | $200.00 | $288.57 |
Player A has half the chips but is worth well under half the money. Player C, the short stack, is worth more than their chip share because they've already locked up at least $200. That's the core idea of ICM: big stacks are worth less than they look, and short stacks are worth more.
Enter any stacks and payouts in the free ICM calculator to see the numbers for your own spot, including how an ICM deal compares with a chip-chop.
How ICM changes your decisions
Because losing chips hurts more than winning them helps, you need more equity to call an all-in under ICM than you would in chips alone.
Take a four-handed bubble: stacks of 4,000, 3,000, 2,000 and 1,000, with three places paid ($500, $300, $200). If the 4,000 stack shoves and the 3,000 stack calls, a cash-game player only needs about 50% equity to call in chips. Under ICM, the caller's stack is worth $294.88 now and $404.52 if they win, but $0 if they lose. They need about 72.9% equity to make the call, more than most hands have against a shoving range.
This pressure is called the bubble factor. It is highest for medium stacks facing a bigger stack, and lowest for the chip leader, which is why big stacks can shove aggressively on the bubble.
Where ICM matters most
- The money bubble. Short and medium stacks should tighten their calling ranges, especially against players who cover them.
- Final tables. Pay jumps get bigger near the top, so ICM pressure is often strongest at the final table.
- Satellites. When every seat pays the same, ICM pressure is extreme. Near the bubble, a big stack should rarely risk its seat.
- Deal-making. ICM is the most common way to split a prize pool fairly when players agree to a deal.
Where ICM is less useful
ICM only looks at stacks and payouts. It ignores skill, position and blind levels, and it assumes every player is equally likely to win each chip. Early in a tournament, when the money is far away, chip EV is usually a better guide. ICM also tends to undervalue a big stack held by a strong player who can use it to pressure others.
Practice ICM spots
Our ICM push/fold chart shows how shoving and calling ranges tighten near the money, and the payout calculator shows the pay jumps for any field size. Track your results across tournaments in the free tracker to see whether your ROI holds up.