Flawless Poker
THE NUMBERS BEHIND THE GAME · ADVANCED

What Is Risk of Ruin in Poker?

The modeled chance of losing a bankroll under assumptions about edge, variance, and stake size.

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What it means

Any estimate depends heavily on uncertain inputs and game selection.

AT THE TABLE

A practical example

A player tests how different buy-in sizes affect modeled bankroll survival.

Where you will hear it

Texas Hold’em, Omaha where applicable. The exact usage can vary with rules and context.

Related concepts

Effective OddsThe true price of continuing after considering possible later bets or calls.Explore ↗Hand OddsThe chance that a specific hand or draw will occur under stated card conditions.Explore ↗UnblockerA card choice that leaves desirable opponent combinations available.Explore ↗BlockerA card in your hand that removes possible combinations from an opponent's range.Explore ↗Card RemovalThe effect known cards have on the combinations opponents can hold.Explore ↗

Keep learning

Study this idea in a wider poker context, then return to the dictionary whenever a term needs a closer look.

Explore Mathematics Nebula in Poker Galaxy ↗Read The Flawless Poker Odds Bible (PDF) ↗

Published 2026-10-15 · Updated 2026-10-15 · Flawless Poker Cosmic Codex