A lightweight command line tool for calculating poker hand probabilities. No dependencies. No huge data files.
# yarn
yarn global add poker-odds
# npm
npm install -g poker-oddspoker-odds AcKh KdQs # any number of hands supported
# use .. for random cards, .... for a random hand
# options
-b, --board Td7s8d # community cards
-i, --iterations 1000 # number of preflop simulations to run, default: 100000
-e, --exhaustive # run all preflop simulations
-p, --possibilities # show individual hand possibilities
-n, --no-color # disable color output
-v, --version # show version
-h, --help # show helpUse --board or -b to define community cards.
Use --exhaustive or -e to run all preflop simulations. Note that this will take some time.
Use --possibilities or -p to show all possible hand outcomes. Hand possibilities are shown by default if only one hand is defined.
The method used to calculate probabilities can be imported and used directly in a JS/node project:
import { calculateEquity } from 'poker-odds'
const hands = [['As', 'Kh'], ['Kd', 'Qs']]
const board = ['Td', '7s', '8d']
const iterations = 100000 // optional
const exhaustive = false // optional
calculateEquity(hands, board, iterations, exhaustive)calculateEquity() returns an array of hands with the results of the simulations:
[
{
"hand": [
"Ac",
"Kh"
],
"count": 990,
"wins": 803,
"ties": 15,
"handChances": [
{ "name": "high card", "count": 376 },
{ "name": "one pair", "count": 479 },
{ "name": "two pair", "count": 78 },
{ "name": "three of a kind", "count": 13 },
{ "name": "straight", "count": 44 },
{ "name": "flush", "count": 0 },
{ "name": "full house", "count": 0 },
{ "name": "four of a kind", "count": 0 },
{ "name": "straight flush", "count": 0 },
{ "name": "royal flush", "count": 0 }
],
"favourite": true
},
{
"hand": [
"Kd",
"Qs"
],
"count": 990,
"wins": 172,
"ties": 15,
"handChances": [
{ "name": "high card", "count": 351 },
{ "name": "one pair", "count": 463 },
{ "name": "two pair", "count": 77 },
{ "name": "three of a kind", "count": 13 },
{ "name": "straight", "count": 41 },
{ "name": "flush", "count": 45 },
{ "name": "full house", "count": 0 },
{ "name": "four of a kind", "count": 0 },
{ "name": "straight flush", "count": 0 },
{ "name": "royal flush", "count": 0 }
],
"favourite": false
}
]
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