diff --git a/html/StupidIAconnectFour.php b/html/StupidIAconnectFour.php
index fda1d04..df357b7 100644
--- a/html/StupidIAconnectFour.php
+++ b/html/StupidIAconnectFour.php
@@ -4,6 +4,9 @@
 * choose by random a free column
 */
 
+print_r($_POST);
+
+/*
 $grid=json_decode($_POST['grid']);
 
 $colAvailable=array();
@@ -16,3 +19,4 @@ for($i=0;$i<7;$i++){
 shuffle($colAvailable);
 echo $colAvailable[0];
 die;
+*/
\ No newline at end of file
diff --git a/src/arenas/connectFour/act.php b/src/arenas/connectFour/act.php
index d4b5f6c..c98259a 100644
--- a/src/arenas/connectFour/act.php
+++ b/src/arenas/connectFour/act.php
@@ -84,12 +84,13 @@ switch ($_POST['act']){
 	 'match_id'  => $_SESSION['matchId']."-".$_SESSION['currentPlayer'],
 	 'opponent'  => $opponentName,
 	 'you'	     => $you,
-	 'grid'		=> json_encode( $_SESSION['map'])
+	 'grid'		=>  $_SESSION['map']
 	    
       );
       //send query
       $anwserPlayer=get_IA_Response($botUrl,$postDatas);
-      
+      //for test ***************************
+      echo $anwserPlayer; die;
       //vérifier la validité de la réponse
       if((isset($_SESSION['map'][5][$anwserPlayer])) && ($_SESSION['map'][5][$anwserPlayer] == "")){
 	//reponse conforme
diff --git a/src/arenas/connectFour/functions.php b/src/arenas/connectFour/functions.php
index e2633b4..b6208ce 100644
--- a/src/arenas/connectFour/functions.php
+++ b/src/arenas/connectFour/functions.php
@@ -1,5 +1,9 @@
 <?php
 function get_IA_Response($iaUrl,$postParams){
+    //send params JSON as body
+
+    $data_string = json_encode($postParams);
+    /*
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, $iaUrl);
     curl_setopt($ch, CURLOPT_POST, true);
@@ -7,6 +11,20 @@ function get_IA_Response($iaUrl,$postParams){
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
     $output = curl_exec($ch);
     curl_close($ch);   
+    
+    */
+    
+    $ch = curl_init($iaUrl);                                                                      
+    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");                                                                     
+    curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);                                                                  
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);                                                                      
+    curl_setopt($ch, CURLOPT_HTTPHEADER, array(                                                                          
+        'Content-Type: application/json',                                                                                
+        'Content-Length: ' . strlen($data_string))                                                                       
+    );
+    $output= curl_exec($ch);
+    curl_close($ch); 
+    
     return htmlentities($output);
 }
 function get_Post_Params($botsCount){
diff --git a/src/arenas/connectFour/js.js b/src/arenas/connectFour/js.js
index 15ea2be..9cefe73 100644
--- a/src/arenas/connectFour/js.js
+++ b/src/arenas/connectFour/js.js
@@ -46,7 +46,10 @@ function connectFour(bot1,bot2,xd_check, newGame){
   //send request  
   var xhr = Ajx(); 
   xhr.onreadystatechange  = function(){if(xhr.readyState  == 4){ 
-      if(xhr.status  == 200) { 
+      if(xhr.status  == 200) {
+        //for test
+          alert(xhr.responseText);
+          
         try{
             var reponse = JSON.parse(xhr.responseText);  
         }catch(e){