keypax/glicko2

A PHP implementation of the Glicko2 rating system. Fork of zelenin/glicko2, updated and compatible with PHP 8.1+

1.1.1 2025-06-06 07:17 UTC

Requires

• php: ^8.1

Requires (Dev)

• phpunit/phpunit: ^10.0

MIT

• Aleksandr Zelenin
• Dawid Szymański

• Rating
• ranking
• glicko
• glicko2

README

A PHP implementation of Glicko2 rating system Fork of zelenin/glicko2 with PHP 8.1 support

Installation

Composer

composer require keypax/glicko2:"^1.0.0"

Usage

Create two players with current ratings:

use Zelenin\Glicko2\Glicko2;
use Zelenin\Glicko2\RatingMatch;
use Zelenin\Glicko2\RatingMatchCollection;
use Zelenin\Glicko2\Player;

$glicko = new Glicko2();

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

$ratingMatch = new RatingMatch($player1, $player2, 1, 0);
$glicko->calculateRatingMatch($ratingMatch);

$ratingMatch = new RatingMatch($player1, $player2, 3, 2);
$glicko->calculateRatingMatch($ratingMatch);

// or

$ratingMatchCollection = new RatingMatchCollection();
$ratingMatchCollection->addRatingMatch(new RatingMatch($player1, $player2, 1, 0));
$ratingMatchCollection->addRatingMatch(new RatingMatch($player1, $player2, 3, 2));
$glicko->calculateRatingMatches($ratingMatchCollection);

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

Author

Aleksandr Zelenin, e-mail: [e-mail]