diff --git a/docs/stats.php b/docs/stats.php
index 774afe8..7d304d5 100755
--- a/docs/stats.php
+++ b/docs/stats.php
@@ -53,18 +53,21 @@
 		}
 
 	
-		for ($i = 0; $i < 6; $i++) {
+		for ($i = 0; $i < 4; $i++) {
 			$prold = $pr;
 			$matrixf = $matrixe;
 
 			foreach ($result as $usera) {
-				$pr[$usera['username']] = 0;	
+				$una = $usera['username'];
+				$pr[$una] = 0;	
 				foreach ($result as $userb) {
-					$matrixe[$usera['username']][$userb['username']] = 0;
+					$unb = $userb['username'];
+					$matrixe[$una][$unb] = 0;
 					foreach ($result as $userc) {
-						$matrixe[$usera['username']][$userb['username']] += $matrixf[$usera['username']][$userc['username']] * $matrixf[$userc['username']][$userb['username']];
+						$unc = $userc['username'];
+						$matrixe[$una][$unb] += $matrixf[$una][$unc] * $matrixf[$unc][$unb];
 					}
-					$pr[$usera['username']] += $prold[$userb['username']] * $matrixe[$usera['username']][$userb['username']];
+					$pr[$una] += $prold[$unb] * $matrixe[$una][$unb];
 				}
 			}