diff --git a/tournaments/models/player_registration.py b/tournaments/models/player_registration.py
index 0b93ce8..d0bc737 100644
--- a/tournaments/models/player_registration.py
+++ b/tournaments/models/player_registration.py
@@ -51,6 +51,8 @@ class PlayerRegistration(TournamentSubModel):
     contact_email = models.CharField(max_length=50, null=True, blank=True)
     contact_name = models.CharField(max_length=200, null=True, blank=True)
 
+    is_anonymous = models.BooleanField(default=False)
+
     def delete_dependencies(self):
         pass
 
@@ -74,9 +76,13 @@ class PlayerRegistration(TournamentSubModel):
     #         return None
 
     def name(self):
+        if self.is_anonymous:
+            return "Joueur Anonyme"
         return f"{self.first_name} {self.last_name}"
 
     def shortened_name(self, forced=False):
+        if self.is_anonymous:
+            return "Anonyme"
         name = self.name()
         if (len(name) > 20 or forced) and self.first_name:
             name = f"{self.first_name[0]}. {self.last_name}"
@@ -86,11 +92,15 @@ class PlayerRegistration(TournamentSubModel):
         return name
 
     def clean_club_name(self):
+        if self.is_anonymous:
+            return "Anonyme"
         if self.club_name:
             return self.club_name.split(' (')[0]
         return "Non renseigné"
 
     def calculate_age(self):
+        if self.is_anonymous:
+            return None
         if self.birthdate:
             try:
                 birth_year = int(self.birthdate[-4:])  # Assumes birthdate ends with YYYY