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alphaFrequency

1 - minimumDefenseFrequency = bet / (pot + bet).

alphaFrequency(potBeforeBet: number, betSize: 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

Alpha is how often villain must fold for a pure bluff to break even if you never get called. Teaching tools pair alpha with estimated fold frequency from population stats.

How to use

const pot = 80;
const bet = 60;

const alpha = poker.alphaFrequency(pot, bet);
const mdf = poker.minimumDefenseFrequency(pot, bet);
console.log(alpha, mdf, alpha + mdf); // alpha + mdf = 1

const beFe = poker.breakevenFoldEquityPureBluff(pot, bet);
console.log('breakeven FE (pure bluff):', beFe);

See also

minimumDefenseFrequency · bluffToValueRatio