harringtonMEffective
Effective M: stack divided by blinds plus antes from active players only — denominator smallBlind + bigBlind + antePerActivePlayer * numActivePlayers.
harringtonMEffective(stackChips: number, smallBlind: number, bigBlind: number, antePerActivePlayer: number, numActivePlayers: 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
Use when antes are uniform per active seat but not every seat is in the hand—tighter M than full-table harringtonM when players are sitting out.
How to use
// 400 stack, 1/2, 1 ante per active seat, 4 active → same as total antes 4 with harringtonM
console.log(poker.harringtonMEffective(400, 1, 2, 1, 4));