diff --git a/src/Enums/TournamentSystem.php b/src/Enums/TournamentSystem.php
index 98b0f8f..03305ce 100644
--- a/src/Enums/TournamentSystem.php
+++ b/src/Enums/TournamentSystem.php
@@ -15,5 +15,5 @@ class TournamentSystem extends Enum
     const Swiss = 'Swiss';
     const Closed = 'Closed';
     const American = 'American';
-    const Imperial = 'Imperial';
+    const Keizer = 'Keizer';
 }
diff --git a/src/Interfaces/ReaderInterface.php b/src/Interfaces/ReaderInterface.php
index d0f83b4..68f7f90 100644
--- a/src/Interfaces/ReaderInterface.php
+++ b/src/Interfaces/ReaderInterface.php
@@ -7,6 +7,6 @@ use JeroenED\Libpairtwo\Tournament;
 
 interface ReaderInterface
 {
-    public function read($filename);
+    public function read($filename): ReaderInterface;
     public function getTournament(): Tournament;
 }
diff --git a/src/Models/Game.php b/src/Models/Game.php
index de3eae1..e8922d8 100644
--- a/src/Models/Game.php
+++ b/src/Models/Game.php
@@ -75,6 +75,4 @@ abstract class Game
         $this->result = $result;
         return $this;
     }
-
-
 }
diff --git a/src/Models/Player.php b/src/Models/Player.php
index f64a097..33e08c5 100644
--- a/src/Models/Player.php
+++ b/src/Models/Player.php
@@ -28,7 +28,7 @@ abstract class Player
     private $DateOfBirth;
 
     /** @var float[] */
-    private $Tiebreaks;
+    private $Tiebreaks = [];
 
     /** @var string */
     private $Nation;
diff --git a/src/Models/Tournament.php b/src/Models/Tournament.php
index 20a4354..150d3f6 100644
--- a/src/Models/Tournament.php
+++ b/src/Models/Tournament.php
@@ -520,5 +520,4 @@ abstract class Tournament
         $this->Tiebreaks = $Tiebreaks;
         return $this;
     }
-
 }
diff --git a/src/Readers/Models/Pairtwo6.php b/src/Readers/Models/Pairtwo6.php
index 8494ab8..84ee58c 100644
--- a/src/Readers/Models/Pairtwo6.php
+++ b/src/Readers/Models/Pairtwo6.php
@@ -72,6 +72,4 @@ abstract class Pairtwo6
         $this->BinaryData[$Key] = $Value;
         return $this;
     }
-
-
 }
diff --git a/src/Readers/Pairtwo6.php b/src/Readers/Pairtwo6.php
index e07d636..5a1ad96 100644
--- a/src/Readers/Pairtwo6.php
+++ b/src/Readers/Pairtwo6.php
@@ -60,7 +60,7 @@ class Pairtwo6 extends Pairtwo6Model implements ReaderInterface
      * @param string $filename
      * @return Pairtwo6
      */
-    public function read($filename)
+    public function read($filename): ReaderInterface
     {
         $swshandle = fopen($filename, 'rb');
         $swscontents = fread($swshandle, filesize($filename));
@@ -556,7 +556,7 @@ class Pairtwo6 extends Pairtwo6Model implements ReaderInterface
                 $system = TournamentSystem::American;
                 break;
             case 6:
-                $system = TournamentSystem::Imperial;
+                $system = TournamentSystem::Keizer;
                 break;
             case 0:
             default:
@@ -694,6 +694,8 @@ class Pairtwo6 extends Pairtwo6Model implements ReaderInterface
             }
         }
 
+        $this->addTiebreaks();
+
         $this->getTournament()->pairingsToRounds();
         return $this;
     }
@@ -799,4 +801,27 @@ class Pairtwo6 extends Pairtwo6Model implements ReaderInterface
 
         return DateTime::createFromFormat($format, $concat);
     }
+
+
+    /**
+     * @return $this
+     */
+    private function addTiebreaks(): Pairtwo6
+    {
+        switch ($this->getTournament()->getSystem()) {
+            case TournamentSystem::Keizer:
+                $firstElement = new Tiebreak(Tiebreak::Keizer);
+                break;
+            case TournamentSystem::American:
+                $firstElement = new Tiebreak(Tiebreak::American);
+                break;
+            case TournamentSystem::Closed:
+            case TournamentSystem::Swiss:
+                $firstElement = new Tiebreak(Tiebreak::Points);
+        }
+        $tiebreaks = $this->getTournament()->getTiebreaks();
+        array_unshift($tiebreaks, $firstElement);
+        $this->getTournament()->setTiebreaks($tiebreaks);
+        return $this;
+    }
 }
diff --git a/src/Tournament.php b/src/Tournament.php
index bbe728c..125329b 100644
--- a/src/Tournament.php
+++ b/src/Tournament.php
@@ -203,14 +203,14 @@ class Tournament extends TournamentModel
     /**
      * Gets the ranking of the tournament
      *
-     * @param bool $americansort
      * @return Player[]
      */
-    public function getRanking(bool $americansort = false)
+    public function getRanking()
     {
+        $this->calculateTiebreaks();
         $players = $this->getPlayers();
 
-        $americansort ? usort($players, array($this, "SortAmerican")) : usort($players, array($this, "SortNormal"));
+        usort($players, array($this, "SortTiebreak"));
 
         return $players;
     }
@@ -220,18 +220,66 @@ class Tournament extends TournamentModel
      * @param Player $b
      * @return int
      */
-    private function sortNormal(Player $a, Player $b)
+    private function sortTiebreak(Player $a, Player $b)
     {
-        return $b->getPoints() - $a->getPoints();
+        return $b->getTiebreaks()[0] - $a->getTiebreaks()[0];
+    }
+
+
+    /**
+     * @return Tournament
+     */
+    private function calculateTiebreaks(): Tournament
+    {
+        foreach ($this->getTiebreaks() as $key=>$tiebreak) {
+            switch ($tiebreak) {
+                case Tiebreak::Keizer:
+                    $this->calculateKeizer($key);
+                    break;
+                case Tiebreak::American:
+                    $this->calculateAmerican($key);
+                    break;
+                case Tiebreak::Points:
+                    $this->calculatePoints($key);
+                    break;
+            }
+        }
+        return $this;
     }
 
     /**
-     * @param Player $a
-     * @param Player $b
-     * @return int
+     * @param int $key
      */
-    private function sortAmerican(Player $a, Player $b)
+    private function calculateKeizer(int $key)
     {
-        return $b->getScoreAmerican() - $a->getScoreAmerican();
+        foreach ($this->getPlayers() as $player) {
+            $currentTiebreaks = $player->getTiebreaks();
+            $currentTiebreaks[$key] = $player->getBinaryData('ScoreAmerican');
+            $player->setTiebreaks($currentTiebreaks);
+        }
+    }
+
+    /**
+     * @param int $key
+     */
+    private function calculateAmerican(int $key)
+    {
+        foreach ($this->getPlayers() as $player) {
+            $currentTiebreaks = $player->getTiebreaks();
+            $currentTiebreaks[$key] = $player->getBinaryData('ScoreAmerican');
+            $player->setTiebreaks($currentTiebreaks);
+        }
+    }
+
+    /**
+     * @param int $key
+     */
+    private function calculatePoints(int $key)
+    {
+        foreach ($this->getPlayers() as $player) {
+            $currentTiebreaks = $player->getTiebreaks();
+            $currentTiebreaks[$key] = $player->getBinaryData('Points');
+            $player->setTiebreaks($currentTiebreaks);
+        }
     }
 }
diff --git a/tests/ReadSws_test.php b/tests/ReadSws_test.php
index ba0d038..bb7551c 100644
--- a/tests/ReadSws_test.php
+++ b/tests/ReadSws_test.php
@@ -73,3 +73,6 @@ echo "Player Pairing 3: " . $sws->getTournament()->getPairings()[2]->getPlayer()
 echo "Tiebreak 1:   " . $sws->getTournament()->getTiebreaks()[0]->getValue() . PHP_EOL;
 echo "Tiebreak 2:   " . $sws->getTournament()->getTiebreaks()[1]->getValue() . PHP_EOL;
 echo "Tiebreak 3:   " . $sws->getTournament()->getTiebreaks()[2]->getValue() . PHP_EOL;
+foreach ($sws->getTournament()->getRanking() as $player) {
+    echo $player->getName() . ' ' . $player->getTiebreaks()[0] . PHP_EOL;
+}