diff --git a/Website/controllers/ControllerUser.php b/Website/controllers/ControllerUser.php
index 7dd3853..eba6c3d 100644
--- a/Website/controllers/ControllerUser.php
+++ b/Website/controllers/ControllerUser.php
@@ -67,7 +67,7 @@ class ControllerUser
             'chapters' => $chapters,
         ]);
     }
-    
+
     function singleplayer()
     {
         echo $this->twig->render($this->vues["singleplayer"]);
@@ -80,7 +80,7 @@ class ControllerUser
 
     function loginAdmin()
     {
-        if ($_SESSION["idAdminConnected"] != null){
+        if ($_SESSION["idAdminConnected"] != null) {
             header("Location:/admin/administrators");
         }
 
@@ -93,7 +93,7 @@ class ControllerUser
 
     function loginPlayer()
     {
-        if ($_SESSION["idPlayerConnected"] != null){
+        if ($_SESSION["idPlayerConnected"] != null) {
             header("Location:/userStatus");
         }
 
@@ -104,21 +104,23 @@ class ControllerUser
         $_SESSION["error"] = "";
     }
 
-    function userStatus(){
-        if($_SESSION["idPlayerConnected"] != null){
+    function userStatus()
+    {
+        if ($_SESSION["idPlayerConnected"] != null) {
             $this->mdPlayer = new ModelPlayer();
             $player = $this->mdPlayer->getPlayerByID($_SESSION["idPlayerConnected"]);
             $maxscores = $this->mdPlayer->getMaxScoresWithChapter($player);
             foreach ($maxscores as &$maxscore) {
-                $maxscore["chapter"]=$this->mdChapter->getChapterByID($maxscore["idchapter"])->getName();
+                $maxscore["chapter"] = $this->mdChapter->getChapterByID($maxscore["idchapter"])->getName();
             }
-            echo $this->twig->render($this->vues["userStatus"],
-            [
-                'player' => $player,
-                'maxscores' => $maxscores,
-            ]);
-        }
-        else {
+            echo $this->twig->render(
+                $this->vues["userStatus"],
+                [
+                    'player' => $player,
+                    'maxscores' => $maxscores,
+                ]
+            );
+        } else {
             header("Location:/loginPlayer");
         }
     }
@@ -220,19 +222,23 @@ class ControllerUser
             ]);
             $_SESSION["error"] = "";
         } else {
-            $answerNumber=$answerNumber-1;
+            $answerNumber = $answerNumber - 1;
             $answerContent = $_SESSION["Answers"][$numQuestion][$answerNumber]->getContent();
             $_SESSION["playerAnswersContent"][$numQuestion] = $answerContent;
             if ($_SESSION["Questions"][$numQuestion]->getIdAnswerGood() == $_SESSION["Answers"][$numQuestion][$answerNumber]->getId()) {
                 $time = $_SESSION["PrevTime"]->diff($_SESSION["CurrTime"]);
                 $_SESSION["Score"] = $_SESSION["Score"] + 80 + 40 * ((30 - $time->s) / 100 * 10 / 3);
+                if ($_SESSION["Questions"][$numQuestion]->getDifficulty() > 0) {
+                    $_SESSION["Questions"][$numQuestion]->setDifficulty($_SESSION["Questions"][$numQuestion]->getDifficulty() - 1);
+                    $this->mdQuestion->updateDifficulty($_SESSION["Questions"][$numQuestion]);
+                }
             } else {
                 $_SESSION["Questions"][$numQuestion]->setNbFails($_SESSION["Questions"][$numQuestion]->getNbFails() + 1);
                 $this->mdQuestion->updateNbFails($_SESSION["Questions"][$numQuestion]);
             }
 
-            if($_SESSION["Questions"][$numQuestion]->getNbFails() >= 25){
-                if($_SESSION["Questions"][$numQuestion]->getDifficulty() < 3){
+            if ($_SESSION["Questions"][$numQuestion]->getNbFails() >= 25) {
+                if ($_SESSION["Questions"][$numQuestion]->getDifficulty() < 3) {
                     $_SESSION["Questions"][$numQuestion]->setDifficulty($_SESSION["Questions"][$numQuestion]->getDifficulty() + 1);
                 }
                 $_SESSION["Questions"][$numQuestion]->setNbFails(0);
@@ -281,16 +287,14 @@ class ControllerUser
                 // var_dump($jouer['maxscore'] <= $this->mdPlayer->getMaxScoreByPlayerAndChapter($jouer));
                 // var_dump($jouer['maxscore'] >= $this->mdPlayer->getMaxScoreByPlayerAndChapter($jouer));
 
-                if($this->mdPlayer->verifyJouer($jouer) == null){
+                if ($this->mdPlayer->verifyJouer($jouer) == null) {
                     $this->mdPlayer->addJouer($jouer);
-                }
-                else if($jouer['maxscore'] <= $this->mdPlayer->getMaxScoreByPlayerAndChapter($jouer))
-                {
+                } else if ($jouer['maxscore'] <= $this->mdPlayer->getMaxScoreByPlayerAndChapter($jouer)) {
                     $this->mdPlayer->updateJouer($jouer);
                 }
-                
+
                 echo $this->twig->render($this->vues["viewScore"], [
-                    'score' => (int)$_SESSION["Score"],
+                    'score' => (int) $_SESSION["Score"],
                     'Final' => $Final,
                 ]);
             }
@@ -330,19 +334,17 @@ class ControllerUser
                 $Final[$c]["PlayerAnswer"] = $answer;
                 $c = $c + 1;
             }
-            $_SESSION["Score"] = (int)$_SESSION["Score"];
+            $_SESSION["Score"] = (int) $_SESSION["Score"];
 
             $jouer = [
                 'idchapter' => $_SESSION["idChapter"],
                 'idplayer' => $_SESSION["idPlayerConnected"],
                 'maxscore' => $_SESSION["Score"]
             ];
-            
-            if($this->mdPlayer->verifyJouer($jouer) == null){
+
+            if ($this->mdPlayer->verifyJouer($jouer) == null) {
                 $this->mdPlayer->addJouer($jouer);
-            }
-            else if($jouer['maxscore'] <= $this->mdPlayer->getMaxScoreByPlayerAndChapter($jouer))
-            {
+            } else if ($jouer['maxscore'] <= $this->mdPlayer->getMaxScoreByPlayerAndChapter($jouer)) {
                 $this->mdPlayer->updateJouer($jouer);
             }