ICM Explained
ICM stands for Independent Chip Model, and it's the mathematical framework that explains why tournament chips aren't worth their face value — and why smart tournament players make decisions their cash game counterparts would never make.
In a cash game, $1,000 in chips is worth $1,000. In a tournament, that relationship breaks down. Early in a tournament, doubling your stack doesn't double your expected winnings because the prize pool is top-heavy and you still have to survive to cash. As you approach the money, each chip you lose costs you more in real dollar terms than each chip you gain benefits you.
This creates a fundamental asymmetry. ICM pressure means you should sometimes fold hands that are profitable in a vacuum, simply because the cost of busting outweighs the gain of winning the pot. Near the bubble — the point where players start earning prize money — this effect is extreme.
Calculating ICM precisely requires software, but the principle is learnable: the bigger the pay jump in front of you, the more you should tighten up. If 20 players remain and 18 get paid, short stacks should be desperate to survive and big stacks should be applying relentless pressure on medium stacks who can't afford to gamble.
ICM also affects how you play at the final table. Each elimination is a pay jump. Calling off your tournament life with a marginal hand when you're already guaranteed a significant pay jump is an ICM mistake, even if the hand is a mathematical favorite.
Mastering ICM doesn't require becoming a solver — it requires developing an intuition for when survival has real monetary value and adjusting your aggression accordingly.
Keep Growing Your Game :)