estimatedOutsFromRuleOfFour
Same for two streets vs the rule-of-four line: equity * unseen / 4 clamped to [0, unseen].
estimatedOutsFromRuleOfFour(equity: number, unseenCards: 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
Convert flop→river equity into an implied out count for teaching or UI sliders. Clamped to valid out counts; not guaranteed to match ruleOfFourEquity in reverse because the forward rule is capped.
How to use
const equity = 0.35;
const unseenAfterFlop = 47;
console.log(poker.estimatedOutsFromRuleOfFour(equity, unseenAfterFlop));
console.log(poker.flopToRiverAtLeastOneHitProbability(9, unseenAfterFlop));