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