trueskill/src/ISupportPartialPlay.php

<?php namespace Moserware\Skills;

/**
 * Indicates support for allowing partial play (where a player only plays a part of the time).
 */
interface ISupportPartialPlay
{
    /**
     * Indicates the percent of the time the player should be weighted where 0.0 indicates the player didn't play and 1.0 indicates the player played 100% of the time.
     */
    public function getPartialPlayPercentage();
}