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ruleOfTwoEquity

Out-count × 2% cap heuristic (one card).

ruleOfTwoEquity(outs: number): number

Import

const poker = require('poker-calculations');

ESM (Node):

import { createRequire } from 'module';
const require = createRequire(import.meta.url);
const poker = require('poker-calculations');

When to use

Facing one card to come (turn only, or river only), multiply outs by 2% for a fast equity estimate. Pair with hypergeometricOneCardHitProbability when you want the exact one-card rate.

How to use

const outs = 8;
console.log(poker.ruleOfTwoEquity(outs)); // ~0.16

console.log(poker.hypergeometricOneCardHitProbability(outs, 46));

See also

hypergeometricOneCardHitProbability · estimatedOutsFromRuleOfTwo