diff --git a/src/FormType/PuzzleSolvingTimeFormType.php b/src/FormType/PuzzleSolvingTimeFormType.php
index 765f620e..04b15d8d 100644
--- a/src/FormType/PuzzleSolvingTimeFormType.php
+++ b/src/FormType/PuzzleSolvingTimeFormType.php
@@ -7,6 +7,8 @@
 use Ramsey\Uuid\Uuid;
 use SpeedPuzzling\Web\FormData\PuzzleSolvingTimeFormData;
 use SpeedPuzzling\Web\Query\GetManufacturers;
+use SpeedPuzzling\Web\Results\PlayerProfile;
+use SpeedPuzzling\Web\Services\CheckFirstTryAvailability;
 use SpeedPuzzling\Web\Services\RetrieveLoggedUserProfile;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
@@ -35,6 +37,7 @@ public function __construct(
         readonly private RetrieveLoggedUserProfile $retrieveLoggedUserProfile,
         readonly private TranslatorInterface $translator,
         readonly private UrlGeneratorInterface $urlGenerator,
+        readonly private CheckFirstTryAvailability $checkFirstTryAvailability,
     ) {
     }
 
@@ -179,12 +182,12 @@ public function buildForm(FormBuilderInterface $builder, array $options): void
             'required' => false,
         ]);
 
-        $builder->addEventListener(FormEvents::POST_SUBMIT, function (FormEvent $event): void {
+        $builder->addEventListener(FormEvents::POST_SUBMIT, function (FormEvent $event) use ($userProfile): void {
             $form = $event->getForm();
             $data = $event->getData();
             assert($data instanceof PuzzleSolvingTimeFormData);
 
-            $this->applyDynamicRules($form, $data);
+            $this->applyDynamicRules($form, $data, $userProfile);
         });
     }
 
@@ -201,6 +204,7 @@ public function configureOptions(OptionsResolver $resolver): void
     private function applyDynamicRules(
         FormInterface $form,
         PuzzleSolvingTimeFormData $data,
+        PlayerProfile $playerProfile,
     ): void {
         // TODO: Should check if the puzzle exists in database as well
         if (is_string($data->puzzle) && Uuid::isValid($data->puzzle) === false) {
@@ -212,5 +216,14 @@ private function applyDynamicRules(
                 $form->get('puzzlePhoto')->addError(new FormError($this->translator->trans('forms.puzzle_photo_is_required')));
             }
         }
+
+        if (is_string($data->puzzle) && Uuid::isValid($data->puzzle) === true && $data->firstAttempt === true) {
+            $firstTry = $this->checkFirstTryAvailability->forPlayer($playerProfile->playerId, $data->puzzle);
+
+            if ($firstTry === false) {
+                $form->get('firstAttempt')->addError(new FormError($this->translator->trans('Píčo tvůj first attempt už byl tady: ...')));
+                $form->addError(new FormError('ASdfda fasdf asdf asdf asdf as'));
+            }
+        }
     }
 }
diff --git a/src/Services/CheckFirstTryAvailability.php b/src/Services/CheckFirstTryAvailability.php
new file mode 100644
index 00000000..bf3e1527
--- /dev/null
+++ b/src/Services/CheckFirstTryAvailability.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SpeedPuzzling\Web\Services;
+
+readonly final class CheckFirstTryAvailability
+{
+    public function forPlayer(string $playerId, string $puzzleId): bool
+    {
+        return false;
+    }
+}