First TwoPlayerTrueSkillCalculator unit test passed

PHPSkills/Elo/EloRating.php

@@ -0,0 +1,19 @@
+<?php
+namespace Moserware\Skills\Elo;
+
+require_once(dirname(__FILE__) . '/../Rating.php');
+
+use Moserware\Skills\Rating;
+
+/**
+ * An Elo rating represented by a single number (mean).
+ */
+class EloRating extends Rating
+{
+    public function __construct($rating)        
+    {
+        parent::__construct($rating, 0);
+    }
+}
+
+?>