README

A PHP implementation of Glicko2 rating system

Installation

Composer

The preferred way to install this extension is through Composer.

Either run

php composer.phar require zelenin/glicko2 "~1.0.0"

or add

"zelenin/glicko2": "~1.0.0"

to the require section of your composer.json

Usage

Create two players with current ratings:

use Zelenin\Glicko2\Glicko2;
use Zelenin\Glicko2\Match;
use Zelenin\Glicko2\MatchCollection;
use Zelenin\Glicko2\Player;

$glicko = new Glicko2();

$player1 = new Player(1700, 250, 0.05);
$player2 = new Player();

$match = new Match($player1, $player2, 1, 0);
$glicko->calculateMatch($match);

$match = new Match($player1, $player2, 3, 2);
$glicko->calculateMatch($match);

// or

$matchCollection = new MatchCollection();
$matchCollection->addMatch(new Match($player1, $player2, 1, 0));
$matchCollection->addMatch(new Match($player1, $player2, 3, 2));
$glicko->calculateMatches($matchCollection);

$newPlayer1R = $player1->getR();
$newPlayer2R = $player2->getR();

Author

Aleksandr Zelenin, e-mail: aleksandr@zelenin.me