diff --git a/register.php b/register.php
index 4a47c33..6cfe9b0 100644
--- a/register.php
+++ b/register.php
@@ -18,7 +18,8 @@
         $error = 11101;
     } else {
         $database->query('INSERT INTO "Users" ("name", "ID") VALUES  ($1, $2);', array($name, $uid));
-        if(preg_match('/violates unique constraint "Users_name"/', pg_last_error()) == 1) {
+        print pg_last_error();
+        if(preg_match('/violates unique constraint "Users_name_unique"/', pg_last_error()) == 1) {
             $error = 11102;
         } else {
             $data = array('uid' => $uid, 'name' => $name);
diff --git a/start.php b/start.php
index ed9a61c..e91bf69 100644
--- a/start.php
+++ b/start.php
@@ -17,10 +17,17 @@
     $questions_count = $database->query('SELECT COUNT(*) FROM "Questions"')['data'][0]['count'];
     if($length == 0) {
         $error = 12101;
-    }
-    if($length > $questions_count) {
+    } else if($length > $questions_count) {
         $error = 12102;
         $values = array($questions_count);
+    } else {
+        /*
+         * if game for user exists then delete
+         * create new game for user
+         */
+        if($database->query('SELECT EXISTS (SELECT 1 fROM "Games" WHERE "ID" = $1)', array($uid)) == 't') {
+
+        }
     }
     $response = Database::create_response($data, $error, $values);
     print $response;