diff --git a/src/Player.php b/src/Player.php
index 01a7034..2828e99 100644
--- a/src/Player.php
+++ b/src/Player.php
@@ -131,24 +131,24 @@ class Player extends PlayerModel
     /**
      * @return int
      */
-    public function getPerformance(string $type) : int
+    public function getPerformance(string $type, int $unratedElo) : float
     {
         $total = 0;
         $opponents = 0;
         foreach ($this->getPairings() as $pairing) {
-            if (array_search($pairing->getResult(), Constants::Notplayed)) {
+            if (array_search($pairing->getResult(), Constants::NotPlayed) === false) {
                 $opponentElo = $pairing->getOpponent()->getElo($type);
-                $opponentElo = $opponentElo != 0 ? $opponentElo : $this->getUnratedElo();
-                if (array_search(self::Won, $pairing->getResult())) {
+                $opponentElo = $opponentElo != 0 ? $opponentElo : $unratedElo;
+                if (array_search($pairing->getResult(), Constants::Won) !== false) {
                     $total += $opponentElo + 400;
-                } elseif (array_search(self::Lost, $pairing->getResult())) {
+                } elseif (array_search($pairing->getResult(), Constants::Lost) !== false) {
                     $total += $opponentElo - 400;
-                } elseif (array_search(self::Draw, $pairing->getResult())) {
+                } elseif (array_search($pairing->getResult(), Constants::Draw) !== false) {
                     $total += $opponentElo;
                 }
                 $opponents++;
             }
-            return round($total / $opponents);
         }
+        return round($total / $opponents);
     }
 }
diff --git a/src/Readers/Pairtwo6.php b/src/Readers/Pairtwo6.php
index 6189cba..1a7ea16 100644
--- a/src/Readers/Pairtwo6.php
+++ b/src/Readers/Pairtwo6.php
@@ -79,7 +79,7 @@ class Pairtwo6 extends Pairtwo6Model implements ReaderInterface
 
         $this->setTournament(new Tournament());
         $this->getTournament()->setPriorityElo('Nation');
-	$this->getTournament()->setPriorityId('Nation');
+        $this->getTournament()->setPriorityId('Nation');
         // UserCountry
         $length = 4;
         $this->setBinaryData("UserCountry", $this->readData('Int', substr($swscontents, $offset, $length)));
diff --git a/src/Tiebreaks.php b/src/Tiebreaks.php
index d862e1a..15e8a7c 100644
--- a/src/Tiebreaks.php
+++ b/src/Tiebreaks.php
@@ -157,7 +157,7 @@ abstract class Tiebreaks extends Tournament
         $allratings = [];
         foreach ($pairings as $pairing) {
             if (array_search($pairing->getResult(), Constants::NotPlayed) === false) {
-                $toadd = $pairing->getOpponent()->getPerformance($type);
+                $toadd = $pairing->getOpponent()->getPerformance($type, $this->getNonRatedElo());
                 if ($toadd != 0) {
                     $allratings[] = $toadd;
                 }
@@ -215,9 +215,10 @@ abstract class Tiebreaks extends Tournament
         array_slice($intpairings, 0 - $cuthighest);
 
         foreach ($intpairings as $intkey => $intpairing) {
-		if(!is_null($intpairing->getOpponent())){
-		$tiebreak += $intpairing->getOpponent()->getPoints();
-        }}
+            if (!is_null($intpairing->getOpponent())) {
+                $tiebreak += $intpairing->getOpponent()->getPoints();
+            }
+        }
         return $tiebreak;
     }
 
diff --git a/src/Tournament.php b/src/Tournament.php
index f66beca..1a46af8 100644
--- a/src/Tournament.php
+++ b/src/Tournament.php
@@ -321,7 +321,7 @@ class Tournament extends Tiebreaks
                 return $this->calculateAveragePerformance($player, $this->getPriorityElo());
                 break;
             case Tiebreak::Performance:
-                return $player->getPerformance($this->getPriorityElo());
+                return $player->getPerformance($this->getPriorityElo(), $this->getNonRatedElo());
                 break;
             default:
                 return null;