diff --git a/locale/fr/LC_MESSAGES/django.po b/locale/fr/LC_MESSAGES/django.po
index cd6f462..dd2ea93 100644
--- a/locale/fr/LC_MESSAGES/django.po
+++ b/locale/fr/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: TFJM\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2023-04-03 17:59+0200\n"
+"POT-Creation-Date: 2023-04-03 19:12+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Emmy D'Anello <emmy.danello@animath.fr>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -21,19 +21,20 @@ msgstr ""
 msgid "API"
 msgstr "API"
 
-#: draw/admin.py:16 draw/admin.py:28 draw/admin.py:44
+#: draw/admin.py:16 draw/admin.py:28 draw/admin.py:44 participation/admin.py:44
 #: participation/models.py:126 participation/tables.py:86
 msgid "teams"
 msgstr "équipes"
 
-#: draw/admin.py:40 draw/admin.py:56 draw/models.py:17
-#: participation/models.py:295 participation/models.py:319
-#: participation/models.py:351
+#: draw/admin.py:40 draw/admin.py:56 draw/models.py:18
+#: participation/admin.py:16 participation/admin.py:73
+#: participation/admin.py:104 participation/models.py:296
+#: participation/models.py:320 participation/models.py:352
 msgid "tournament"
 msgstr "tournoi"
 
-#: draw/admin.py:60 draw/models.py:157 draw/models.py:290
-#: participation/models.py:355
+#: draw/admin.py:60 draw/models.py:161 draw/models.py:294
+#: participation/models.py:356
 msgid "round"
 msgstr "tour"
 
@@ -96,124 +97,124 @@ msgstr ""
 msgid "This is only available for the final tournament."
 msgstr "Cela n'est possible que pour la finale."
 
-#: draw/models.py:26
+#: draw/models.py:27
 msgid "current round"
 msgstr "tour actuel"
 
-#: draw/models.py:32
+#: draw/models.py:33
 msgid "last message"
 msgstr "dernier message"
 
-#: draw/models.py:114
+#: draw/models.py:118
 #, python-brace-format
 msgid "Draw of tournament {tournament}"
 msgstr "Tirage au sort du tournoi {tournament}"
 
-#: draw/models.py:117 draw/models.py:125
+#: draw/models.py:121 draw/models.py:129
 msgid "draw"
 msgstr "tirage au sort"
 
-#: draw/models.py:118
+#: draw/models.py:122
 msgid "draws"
 msgstr "tirages au sort"
 
-#: draw/models.py:130
+#: draw/models.py:134
 msgid "Round 1"
 msgstr "Tour 1"
 
-#: draw/models.py:131
+#: draw/models.py:135
 msgid "Round 2"
 msgstr "Tour 2"
 
-#: draw/models.py:133
+#: draw/models.py:137
 msgid "number"
 msgstr "numéro"
 
-#: draw/models.py:142
+#: draw/models.py:146
 msgid "current pool"
 msgstr "poule actuelle"
 
-#: draw/models.py:158
+#: draw/models.py:162
 msgid "rounds"
 msgstr "tours"
 
-#: draw/models.py:175 participation/models.py:369
+#: draw/models.py:179 participation/models.py:370
 msgid "letter"
 msgstr "lettre"
 
-#: draw/models.py:179
+#: draw/models.py:183
 #: participation/templates/participation/tournament_detail.html:15
 msgid "size"
 msgstr "taille"
 
-#: draw/models.py:188
+#: draw/models.py:192
 msgid "current team"
 msgstr "équipe actuelle"
 
-#: draw/models.py:197
+#: draw/models.py:201
 msgid "associated pool"
 msgstr "poule associée"
 
-#: draw/models.py:272
+#: draw/models.py:276
 #, python-brace-format
 msgid "Pool {letter}{number}"
 msgstr "Poule {letter}{number}"
 
-#: draw/models.py:275 draw/models.py:298
-#: draw/templates/draw/tournament_content.html:70 participation/models.py:417
-#: participation/models.py:426 participation/tables.py:82
+#: draw/models.py:279 draw/models.py:302 participation/admin.py:69
+#: participation/admin.py:88 participation/models.py:418
+#: participation/models.py:427 participation/tables.py:82
 msgid "pool"
 msgstr "poule"
 
-#: draw/models.py:276 participation/models.py:418
+#: draw/models.py:280 participation/models.py:419
 msgid "pools"
 msgstr "poules"
 
-#: draw/models.py:284 participation/models.py:342 participation/models.py:550
-#: participation/models.py:580 participation/models.py:618
+#: draw/models.py:288 participation/models.py:343 participation/models.py:551
+#: participation/models.py:581 participation/models.py:619
 msgid "participation"
 msgstr "participation"
 
-#: draw/models.py:305
+#: draw/models.py:309
 msgid "passage index"
 msgstr "numéro de passage"
 
-#: draw/models.py:312
+#: draw/models.py:316
 msgid "choose index"
 msgstr "numéro de choix"
 
-#: draw/models.py:317 draw/models.py:340 participation/models.py:433
-#: participation/models.py:587
+#: draw/models.py:321 draw/models.py:344 participation/models.py:434
+#: participation/models.py:588
 #, python-brace-format
 msgid "Problem #{problem}"
 msgstr "Problème n°{problem}"
 
-#: draw/models.py:321 draw/models.py:344
+#: draw/models.py:325 draw/models.py:348
 msgid "accepted problem"
 msgstr "problème accepté"
 
-#: draw/models.py:328
+#: draw/models.py:332
 msgid "passage dice"
 msgstr "dé d'ordre de passage"
 
-#: draw/models.py:335
+#: draw/models.py:339
 msgid "choice dice"
 msgstr "dé d'ordre de choix"
 
-#: draw/models.py:349
+#: draw/models.py:353
 msgid "rejected problems"
 msgstr "problèmes rejetés"
 
-#: draw/models.py:365
+#: draw/models.py:369
 #, python-brace-format
 msgid "Draw of the team {trigram} for the pool {letter}{number}"
 msgstr "Tirage de l'équipe {trigram} pour la poule {letter}{number}"
 
-#: draw/models.py:371
+#: draw/models.py:375
 msgid "team draw"
 msgstr "tirage d'équipe"
 
-#: draw/models.py:372
+#: draw/models.py:376
 msgid "team draws"
 msgstr "tirages d'équipe"
 
@@ -261,8 +262,9 @@ msgstr "Exporter"
 msgid "Continue draw"
 msgstr "Continuer le tirage"
 
-#: draw/templates/draw/tournament_content.html:192 participation/models.py:125
-#: participation/models.py:310 registration/models.py:127
+#: draw/templates/draw/tournament_content.html:192 participation/admin.py:100
+#: participation/models.py:125 participation/models.py:311
+#: registration/models.py:127
 msgid "team"
 msgstr "équipe"
 
@@ -339,11 +341,34 @@ msgstr "changelogs"
 msgid "Changelog of type \"{action}\" for model {model} at {timestamp}"
 msgstr "Changelog de type \"{action}\" pour le modèle {model} le {timestamp}"
 
-#: participation/admin.py:19 participation/models.py:325
-#: participation/tables.py:43 registration/models.py:364
+#: participation/admin.py:20 participation/models.py:326
+#: participation/tables.py:43 registration/models.py:373
 msgid "valid"
 msgstr "valide"
 
+#: participation/admin.py:24 participation/models.py:332
+msgid "selected for final"
+msgstr "sélectionnée pour la finale"
+
+#: participation/admin.py:57 participation/admin.py:116
+#: participation/models.py:441 participation/tables.py:109
+msgid "defender"
+msgstr "défenseur⋅se"
+
+#: participation/admin.py:61 participation/models.py:448
+#: participation/models.py:631
+msgid "opponent"
+msgstr "opposant⋅e"
+
+#: participation/admin.py:65 participation/models.py:455
+#: participation/models.py:632
+msgid "reporter"
+msgstr "rapporteur⋅e"
+
+#: participation/admin.py:120 participation/models.py:586
+msgid "problem"
+msgstr "numéro de problème"
+
 #: participation/forms.py:27
 msgid "This name is already used."
 msgstr "Ce nom est déjà utilisé."
@@ -421,7 +446,7 @@ msgstr ""
 msgid "This defender did not work on this problem."
 msgstr "Ce⋅tte défenseur⋅se ne travaille pas sur ce problème."
 
-#: participation/models.py:33 participation/models.py:135
+#: participation/models.py:33 participation/models.py:136
 #: participation/tables.py:17 participation/tables.py:33
 msgid "name"
 msgstr "nom"
@@ -451,118 +476,114 @@ msgstr "lettre de motivation"
 msgid "Team {name} ({trigram})"
 msgstr "Équipe {name} ({trigram})"
 
-#: participation/models.py:140
+#: participation/models.py:141
 msgid "start"
 msgstr "début"
 
-#: participation/models.py:145
+#: participation/models.py:146
 msgid "end"
 msgstr "fin"
 
-#: participation/models.py:151
+#: participation/models.py:152
 #: participation/templates/participation/tournament_detail.html:18
 msgid "place"
 msgstr "lieu"
 
-#: participation/models.py:155
+#: participation/models.py:156
 msgid "max team count"
 msgstr "nombre maximal d'équipes"
 
-#: participation/models.py:160
+#: participation/models.py:161
 #: participation/templates/participation/tournament_detail.html:21
 msgid "price"
 msgstr "prix"
 
-#: participation/models.py:165
+#: participation/models.py:166
 #: participation/templates/participation/tournament_detail.html:24
 msgid "remote"
 msgstr "à distance"
 
-#: participation/models.py:170
+#: participation/models.py:171
 msgid "limit date for registrations"
 msgstr "date limite d'inscription"
 
-#: participation/models.py:175
+#: participation/models.py:176
 msgid "limit date to upload solutions"
 msgstr "date limite pour envoyer les solutions"
 
-#: participation/models.py:180
+#: participation/models.py:181
 msgid "random draw for solutions"
 msgstr "tirage au sort des solutions"
 
-#: participation/models.py:185
+#: participation/models.py:186
 msgid "limit date to upload the syntheses for the first phase"
 msgstr "date limite pour envoyer les notes de synthèses pour la première phase"
 
-#: participation/models.py:190
+#: participation/models.py:191
 msgid "date when the solutions for the second round become available"
 msgstr "date à laquelle les solutions pour le second tour sont accessibles"
 
-#: participation/models.py:195
+#: participation/models.py:196
 msgid "limit date to upload the syntheses for the second phase"
 msgstr "date limite d'envoi des notes de synthèse pour la seconde phase"
 
-#: participation/models.py:200
+#: participation/models.py:201
 #: participation/templates/participation/tournament_detail.html:48
 msgid "description"
 msgstr "description"
 
-#: participation/models.py:206
+#: participation/models.py:207
 #: participation/templates/participation/tournament_detail.html:12
 msgid "organizers"
 msgstr "organisateur⋅rices"
 
-#: participation/models.py:211
+#: participation/models.py:212
 msgid "final"
 msgstr "finale"
 
-#: participation/models.py:296
+#: participation/models.py:297 registration/admin.py:92
 msgid "tournaments"
 msgstr "tournois"
 
-#: participation/models.py:326
+#: participation/models.py:327
 msgid "The participation got the validation of the organizers."
 msgstr "La participation a été validée par les organisateur⋅rices."
 
-#: participation/models.py:331
-msgid "selected for final"
-msgstr "sélectionnée pour la finale"
-
-#: participation/models.py:332
+#: participation/models.py:333
 msgid "The team is selected for the final tournament."
 msgstr "L'équipe est sélectionnée pour la finale."
 
-#: participation/models.py:339
+#: participation/models.py:340
 #, python-brace-format
 msgid "Participation of the team {name} ({trigram})"
 msgstr "Participation de l'équipe {name} ({trigram})"
 
-#: participation/models.py:343 participation/models.py:375
+#: participation/models.py:344 participation/models.py:376
 msgid "participations"
 msgstr "participations"
 
-#: participation/models.py:357 participation/models.py:358
+#: participation/models.py:358 participation/models.py:359
 #, python-brace-format
 msgid "Round {round}"
 msgstr "Tour {round}"
 
-#: participation/models.py:381
+#: participation/models.py:382
 msgid "juries"
 msgstr "jurys"
 
-#: participation/models.py:388
+#: participation/models.py:389
 msgid "BigBlueButton URL"
 msgstr "Lien BigBlueButton"
 
-#: participation/models.py:389
+#: participation/models.py:390
 msgid "The link of the BBB visio for this pool."
 msgstr "Le lien du salon BBB pour cette poule."
 
-#: participation/models.py:394
+#: participation/models.py:395
 msgid "results available"
 msgstr "résultats disponibles"
 
-#: participation/models.py:395
+#: participation/models.py:396
 msgid ""
 "Check this case when results become accessible to teams. They stay "
 "accessible to you. Only averages are given."
@@ -571,32 +592,20 @@ msgstr ""
 "Ils restent toujours accessibles pour vous. Seules les moyennes sont "
 "communiquées."
 
-#: participation/models.py:411
+#: participation/models.py:412
 #, python-brace-format
 msgid "Pool of day {round} for tournament {tournament} with teams {teams}"
 msgstr "Poule du jour {round} du tournoi {tournament} avec les équipes {teams}"
 
-#: participation/models.py:431
+#: participation/models.py:432
 msgid "defended solution"
 msgstr "solution défendue"
 
-#: participation/models.py:440 participation/tables.py:109
-msgid "defender"
-msgstr "défenseur⋅se"
-
-#: participation/models.py:447 participation/models.py:630
-msgid "opponent"
-msgstr "opposant⋅e"
-
-#: participation/models.py:454 participation/models.py:631
-msgid "reporter"
-msgstr "rapporteur⋅e"
-
-#: participation/models.py:459
+#: participation/models.py:460
 msgid "penalties"
 msgstr "pénalités"
 
-#: participation/models.py:461
+#: participation/models.py:462
 msgid ""
 "Number of penalties for the defender. The defender will loose a 0.5 "
 "coefficient per penalty."
@@ -604,124 +613,120 @@ msgstr ""
 "Nombre de pénalités pour læ défenseur⋅se. Læ défenseur⋅se perd un "
 "coefficient 0.5 sur sa présentation orale par pénalité."
 
-#: participation/models.py:521 participation/models.py:524
-#: participation/models.py:527
+#: participation/models.py:522 participation/models.py:525
+#: participation/models.py:528
 #, python-brace-format
 msgid "Team {trigram} is not registered in the pool."
 msgstr "L'équipe {trigram} n'est pas inscrite dans la poule."
 
-#: participation/models.py:532
+#: participation/models.py:533
 #, python-brace-format
 msgid "Passage of {defender} for problem {problem}"
 msgstr "Passage de {defender} pour le problème {problem}"
 
-#: participation/models.py:536 participation/models.py:544
-#: participation/models.py:625 participation/models.py:667
+#: participation/models.py:537 participation/models.py:545
+#: participation/models.py:626 participation/models.py:668
 msgid "passage"
 msgstr "passage"
 
-#: participation/models.py:537
+#: participation/models.py:538
 msgid "passages"
 msgstr "passages"
 
-#: participation/models.py:555
+#: participation/models.py:556
 msgid "difference"
 msgstr "différence"
 
-#: participation/models.py:556
+#: participation/models.py:557
 msgid "Score to add/remove on the final score"
 msgstr "Score à ajouter/retrancher au score final"
 
-#: participation/models.py:563
+#: participation/models.py:564
 msgid "tweak"
 msgstr "harmonisation"
 
-#: participation/models.py:564
+#: participation/models.py:565
 msgid "tweaks"
 msgstr "harmonisations"
 
-#: participation/models.py:585
-msgid "problem"
-msgstr "numéro de problème"
-
-#: participation/models.py:592
+#: participation/models.py:593
 msgid "solution for the final tournament"
 msgstr "solution pour la finale"
 
-#: participation/models.py:597 participation/models.py:636
+#: participation/models.py:598 participation/models.py:637
 msgid "file"
 msgstr "fichier"
 
-#: participation/models.py:603
+#: participation/models.py:604
 #, python-brace-format
 msgid "Solution of team {team} for problem {problem}"
 msgstr "Solution de l'équipe {team} pour le problème {problem}"
 
-#: participation/models.py:605
+#: participation/models.py:606
 msgid "for final"
 msgstr "pour la finale"
 
-#: participation/models.py:608
+#: participation/models.py:609
 msgid "solution"
 msgstr "solution"
 
-#: participation/models.py:609
+#: participation/models.py:610
 msgid "solutions"
 msgstr "solutions"
 
-#: participation/models.py:642
+#: participation/models.py:643
 #, python-brace-format
 msgid "Synthesis of {team} as {type} for problem {problem} of {defender}"
 msgstr ""
 "Note de synthèse de l'équipe {team} en tant que {type} pour le problème "
 "{problem} de {defender}"
 
-#: participation/models.py:650
+#: participation/models.py:651
 msgid "synthesis"
 msgstr "note de synthèse"
 
-#: participation/models.py:651
+#: participation/models.py:652
 msgid "syntheses"
 msgstr "notes de synthèse"
 
-#: participation/models.py:660
+#: participation/models.py:661
 msgid "jury"
 msgstr "jury"
 
-#: participation/models.py:672
+#: participation/models.py:673
 msgid "defender writing note"
 msgstr "note d'écrit de læ défenseur⋅se"
 
-#: participation/models.py:678
+#: participation/models.py:679
 msgid "defender oral note"
 msgstr "note d'oral de læ défenseur⋅se"
 
-#: participation/models.py:684
+#: participation/models.py:685
 msgid "opponent writing note"
 msgstr "note d'écrit de l'opposant⋅e"
 
-#: participation/models.py:690
+#: participation/models.py:691
 msgid "opponent oral note"
 msgstr "note d'oral de l'opposant⋅e"
 
-#: participation/models.py:696
+#: participation/models.py:697
 msgid "reporter writing note"
 msgstr "note d'écrit de læ rapporteur⋅e"
 
-#: participation/models.py:702
+#: participation/models.py:703
 msgid "reporter oral note"
 msgstr "note d'oral de læ rapporteur⋅e"
 
-#: participation/models.py:720
+#: participation/models.py:721
 #, python-brace-format
 msgid "Notes of {jury} for {passage}"
 msgstr "Notes de {jury} pour le {passage}"
 
-#: participation/models.py:727
+#: participation/models.py:728
 msgid "note"
 msgstr "note"
 
-#: participation/models.py:728
+#: participation/models.py:729
 msgid "notes"
 msgstr "notes"
 
@@ -1414,6 +1419,16 @@ msgstr "Les notes ont bien été envoyées."
 msgid "You can't upload a synthesis after the deadline."
 msgstr "Vous ne pouvez pas envoyer de note de synthèse après la date limite."
 
+#: registration/admin.py:21 registration/admin.py:36 registration/admin.py:52
+#: registration/admin.py:68 registration/admin.py:84
+msgid "first name"
+msgstr "prénom"
+
+#: registration/admin.py:25 registration/admin.py:40 registration/admin.py:56
+#: registration/admin.py:72 registration/admin.py:88 registration/tables.py:17
+msgid "last name"
+msgstr "nom de famille"
+
 #: registration/forms.py:22
 msgid "role"
 msgstr "rôle"
@@ -1422,7 +1437,7 @@ msgstr "rôle"
 msgid "participant"
 msgstr "participant⋅e"
 
-#: registration/forms.py:25 registration/models.py:281
+#: registration/forms.py:25 registration/models.py:286
 msgid "coach"
 msgstr "encadrant⋅e"
 
@@ -1451,7 +1466,7 @@ msgstr "email confirmé"
 msgid "Activate your TFJM² account"
 msgstr "Activez votre compte du TFJM²"
 
-#: registration/models.py:99 registration/models.py:330
+#: registration/models.py:99 registration/models.py:339
 msgid "registration"
 msgstr "inscription"
 
@@ -1507,83 +1522,91 @@ msgstr ""
 msgid "photo authorization"
 msgstr "autorisation de droit à l'image"
 
-#: registration/models.py:201
+#: registration/models.py:196
+msgid "participant registration"
+msgstr "inscription de participant⋅e"
+
+#: registration/models.py:197
+msgid "participant registrations"
+msgstr "inscriptions de participant⋅es"
+
+#: registration/models.py:206
 msgid "birth date"
 msgstr "date de naissance"
 
-#: registration/models.py:207
+#: registration/models.py:212
 msgid "12th grade"
 msgstr "Terminale"
 
-#: registration/models.py:208
+#: registration/models.py:213
 msgid "11th grade"
 msgstr "Première"
 
-#: registration/models.py:209
+#: registration/models.py:214
 msgid "10th grade or lower"
 msgstr "Seconde ou inférieur"
 
-#: registration/models.py:211
+#: registration/models.py:216
 msgid "student class"
 msgstr "classe"
 
-#: registration/models.py:216
+#: registration/models.py:221
 msgid "school"
 msgstr "école"
 
-#: registration/models.py:221
+#: registration/models.py:226
 msgid "responsible name"
 msgstr "nom de læ responsable légal⋅e"
 
-#: registration/models.py:226
+#: registration/models.py:231
 msgid "responsible phone number"
 msgstr "numéro de téléphone de læ responsable légal⋅e"
 
-#: registration/models.py:231
+#: registration/models.py:236
 msgid "responsible email address"
 msgstr "adresse e-mail de læ responsable légal⋅e"
 
-#: registration/models.py:236
+#: registration/models.py:241
 msgid "parental authorization"
 msgstr "autorisation parentale"
 
-#: registration/models.py:243
+#: registration/models.py:248
 msgid "health sheet"
 msgstr "fiche sanitaire"
 
-#: registration/models.py:250
+#: registration/models.py:255
 msgid "vaccine sheet"
 msgstr "carnet de vaccination"
 
-#: registration/models.py:258
+#: registration/models.py:263
 msgid "student"
 msgstr "étudiant⋅e"
 
-#: registration/models.py:266
+#: registration/models.py:271
 msgid "student registration"
 msgstr "inscription d'élève"
 
-#: registration/models.py:267
+#: registration/models.py:272
 msgid "student registrations"
 msgstr "inscriptions d'élève"
 
-#: registration/models.py:276 registration/models.py:298
+#: registration/models.py:281 registration/models.py:303
 msgid "professional activity"
 msgstr "activité professionnelle"
 
-#: registration/models.py:289
+#: registration/models.py:294
 msgid "coach registration"
 msgstr "inscription d'encadrant⋅e"
 
-#: registration/models.py:290
+#: registration/models.py:295
 msgid "coach registrations"
 msgstr "inscriptions d'encadrant⋅es"
 
-#: registration/models.py:302
+#: registration/models.py:307
 msgid "administrator"
 msgstr "administrateur⋅rice"
 
-#: registration/models.py:303
+#: registration/models.py:308
 msgid ""
 "An administrator has all rights. Please don't give this right to all juries "
 "and volunteers."
@@ -1591,71 +1614,75 @@ msgstr ""
 "Un⋅e administrateur⋅rice a tous les droits. Merci de ne pas donner ce droit "
 "à toustes les juré⋅es et bénévoles."
 
-#: registration/models.py:313
+#: registration/models.py:318
 msgid "admin"
 msgstr "admin"
 
-#: registration/models.py:313
+#: registration/models.py:318
 msgid "volunteer"
 msgstr "bénévole"
 
-#: registration/models.py:334
+#: registration/models.py:326
+msgid "volunteer registration"
+msgstr "inscription de bénévole"
+
+#: registration/models.py:327
+msgid "volunteer registrations"
+msgstr "inscriptions de bénévoles"
+
+#: registration/models.py:343
 msgid "type"
 msgstr "type"
 
-#: registration/models.py:337
+#: registration/models.py:346
 msgid "No payment"
 msgstr "Pas de paiement"
 
-#: registration/models.py:339
+#: registration/models.py:348
 msgid "Scholarship"
 msgstr "Notification de bourse"
 
-#: registration/models.py:340
+#: registration/models.py:349
 msgid "Bank transfer"
 msgstr "Virement bancaire"
 
-#: registration/models.py:341
+#: registration/models.py:350
 msgid "Other (please indicate)"
 msgstr "Autre (veuillez spécifier)"
 
-#: registration/models.py:342
+#: registration/models.py:351
 msgid "The tournament is free"
 msgstr "Le tournoi est gratuit"
 
-#: registration/models.py:349
+#: registration/models.py:358
 msgid "scholarship file"
 msgstr "Notification de bourse"
 
-#: registration/models.py:350
+#: registration/models.py:359
 msgid "only if you have a scholarship."
 msgstr "Nécessaire seulement si vous déclarez être boursier."
 
-#: registration/models.py:357
+#: registration/models.py:366
 msgid "additional information"
 msgstr "informations additionnelles"
 
-#: registration/models.py:358
+#: registration/models.py:367
 msgid "To help us to find your payment."
 msgstr "Pour nous aider à retrouver votre paiement, si nécessaire."
 
-#: registration/models.py:373
+#: registration/models.py:382
 #, python-brace-format
 msgid "Payment of {registration}"
 msgstr "Paiement de {registration}"
 
-#: registration/models.py:376
+#: registration/models.py:385
 msgid "payment"
 msgstr "paiement"
 
-#: registration/models.py:377
+#: registration/models.py:386
 msgid "payments"
 msgstr "paiements"
 
-#: registration/tables.py:17
-msgid "last name"
-msgstr "nom de famille"
-
 #: registration/templates/registration/add_organizer.html:5
 #: registration/templates/registration/add_organizer.html:12
 #: registration/templates/registration/add_organizer.html:21
diff --git a/participation/admin.py b/participation/admin.py
index 32b7e4d..5d870ac 100644
--- a/participation/admin.py
+++ b/participation/admin.py
@@ -9,56 +9,127 @@ from .models import Note, Participation, Passage, Pool, Solution, Synthesis, Tea
 
 @admin.register(Team)
 class TeamAdmin(admin.ModelAdmin):
-    list_display = ('name', 'trigram', 'valid',)
+    list_display = ('name', 'trigram', 'tournament', 'valid', 'final',)
     search_fields = ('name', 'trigram',)
-    list_filter = ('participation__valid',)
+    list_filter = ('participation__valid', 'participation__tournament', 'participation__final',)
 
+    @admin.display(description=_("tournament"))
+    def tournament(self, record):
+        return record.participation.tournament
+
+    @admin.display(description=_("valid"), boolean=True)
     def valid(self, team):
         return team.participation.valid
 
-    valid.short_description = _('valid')
+    @admin.display(description=_("selected for final"), boolean=True)
+    def final(self, team):
+        return team.participation.final
 
 
 @admin.register(Participation)
 class ParticipationAdmin(admin.ModelAdmin):
-    list_display = ('team', 'valid',)
+    list_display = ('team', 'tournament', 'valid', 'final',)
     search_fields = ('team__name', 'team__trigram',)
     list_filter = ('valid',)
+    autocomplete_fields = ('team', 'tournament',)
 
 
 @admin.register(Pool)
 class PoolAdmin(admin.ModelAdmin):
+    list_display = ('__str__', 'tournament', 'round', 'letter', 'teams',)
+    list_filter = ('tournament', 'round', 'letter',)
     search_fields = ('participations__team__name', 'participations__team__trigram',)
+    autocomplete_fields = ('tournament', 'participations', 'juries',)
+
+    @admin.display(description=_("teams"))
+    def teams(self, record: Pool):
+        return ', '.join(p.team.trigram for p in record.participations.all())
 
 
 @admin.register(Passage)
 class PassageAdmin(admin.ModelAdmin):
+    list_display = ('__str__', 'defender_trigram', 'solution_number', 'opponent_trigram', 'reporter_trigram',
+                    'pool_abbr', 'tournament')
+    list_filter = ('pool__tournament', 'pool__round', 'pool__letter', 'solution_number',)
     search_fields = ('pool__participations__team__name', 'pool__participations__team__trigram',)
+    autocomplete_fields = ('pool', 'defender', 'opponent', 'reporter',)
+
+    @admin.display(description=_("defender"))
+    def defender_trigram(self, record: Passage):
+        return record.defender.team.trigram
+
+    @admin.display(description=_("opponent"))
+    def opponent_trigram(self, record: Passage):
+        return record.opponent.team.trigram
+
+    @admin.display(description=_("reporter"))
+    def reporter_trigram(self, record: Passage):
+        return record.reporter.team.trigram
+
+    @admin.display(description=_("pool"))
+    def pool_abbr(self, record):
+        return f"{record.pool.get_letter_display()}{record.pool.round}"
+
+    @admin.display(description=_("tournament"))
+    def tournament(self, record: Passage):
+        return record.pool.tournament
 
 
 @admin.register(Note)
 class NoteAdmin(admin.ModelAdmin):
-    search_fields = ('jury',)
+    list_display = ('passage', 'pool', 'jury', 'defender_writing', 'defender_oral',
+                    'opponent_writing', 'opponent_oral', 'reporter_writing', 'reporter_oral',)
+    list_filter = ('passage__pool__letter', 'passage__solution_number', 'jury',
+                   'defender_writing', 'defender_oral', 'opponent_writing', 'opponent_oral',
+                   'reporter_writing', 'reporter_oral')
+    search_fields = ('jury__user__last_name', 'jury__user__first_name', 'passage__defender__team__trigram',)
+    autocomplete_fields = ('jury', 'passage',)
+
+    @admin.display(description=_("pool"))
+    def pool(self, record):
+        return record.passage.pool.get_letter_display()
 
 
 @admin.register(Solution)
 class SolutionAdmin(admin.ModelAdmin):
-    list_display = ('participation',)
+    list_display = ('team', 'tournament', 'problem', 'final_solution',)
+    list_filter = ('problem', 'participation__tournament', 'final_solution',)
     search_fields = ('participation__team__name', 'participation__team__trigram',)
+    autocomplete_fields = ('participation',)
+
+    @admin.display(ordering='participation__team', description=_("team"))
+    def team(self, record):
+        return record.participation.team
+
+    @admin.display(ordering='participation__tournament__name', description=_("tournament"))
+    def tournament(self, record):
+        return Tournament.final_tournament() if record.final_solution else record.participation.tournament
 
 
 @admin.register(Synthesis)
 class SynthesisAdmin(admin.ModelAdmin):
-    list_display = ('participation',)
+    list_display = ('participation', 'type', 'defender', 'passage',)
+    list_filter = ('participation__tournament', 'type', 'passage__solution_number',)
     search_fields = ('participation__team__name', 'participation__team__trigram',)
+    autocomplete_fields = ('participation', 'passage',)
+
+    @admin.display(description=_("defender"))
+    def defender(self, record: Synthesis):
+        return record.passage.defender
+
+    @admin.display(description=_("problem"))
+    def problem(self, record: Synthesis):
+        return record.passage.solution_number
 
 
 @admin.register(Tournament)
 class TournamentAdmin(admin.ModelAdmin):
     list_display = ('name',)
     search_fields = ('name',)
+    autocomplete_fields = ('organizers',)
 
 
 @admin.register(Tweak)
 class TweakAdmin(admin.ModelAdmin):
     list_display = ('participation', 'pool', 'diff',)
+    autocomplete_fields = ('participation', 'pool',)
diff --git a/participation/migrations/0005_alter_team_options.py b/participation/migrations/0005_alter_team_options.py
new file mode 100644
index 0000000..159a0c3
--- /dev/null
+++ b/participation/migrations/0005_alter_team_options.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.1.7 on 2023-04-03 17:12
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("participation", "0004_alter_pool_options_pool_letter"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="team",
+            options={
+                "ordering": ("trigram",),
+                "verbose_name": "team",
+                "verbose_name_plural": "teams",
+            },
+        ),
+    ]
diff --git a/participation/models.py b/participation/models.py
index 98c27d1..b737237 100644
--- a/participation/models.py
+++ b/participation/models.py
@@ -124,6 +124,7 @@ class Team(models.Model):
     class Meta:
         verbose_name = _("team")
         verbose_name_plural = _("teams")
+        ordering = ('trigram',)
         indexes = [
             Index(fields=("trigram", )),
         ]
diff --git a/registration/admin.py b/registration/admin.py
index 10ba861..60a9e4d 100644
--- a/registration/admin.py
+++ b/registration/admin.py
@@ -3,31 +3,95 @@
 
 from django.contrib import admin
 from django.contrib.admin import ModelAdmin
-from polymorphic.admin import PolymorphicChildModelAdmin, PolymorphicParentModelAdmin
+from django.utils.translation import gettext_lazy as _
+from polymorphic.admin import PolymorphicChildModelAdmin, PolymorphicChildModelFilter, PolymorphicParentModelAdmin
 
-from .models import CoachRegistration, Payment, Registration, StudentRegistration, VolunteerRegistration
+from .models import CoachRegistration, Payment, ParticipantRegistration, Registration, \
+    StudentRegistration, VolunteerRegistration
 
 
 @admin.register(Registration)
 class RegistrationAdmin(PolymorphicParentModelAdmin):
     child_models = (StudentRegistration, CoachRegistration, VolunteerRegistration,)
-    list_display = ("user", "type", "email_confirmed",)
+    list_display = ('user', 'first_name', 'last_name', 'type', 'email_confirmed',)
+    list_filter = (PolymorphicChildModelFilter, 'email_confirmed',)
+    search_fields = ('user__first_name', 'user__last_name', 'user__email',)
     polymorphic_list = True
 
+    @admin.display(description=_('first name'), ordering='user__first_name')
+    def first_name(self, record):
+        return record.user.first_name
+
+    @admin.display(description=_('last name'), ordering='user__last_name')
+    def last_name(self, record):
+        return record.user.last_name
+
+@admin.register(ParticipantRegistration)
+class ParticipantRegistrationAdmin(PolymorphicChildModelAdmin):
+    list_display = ('user', 'first_name', 'last_name', 'type', 'team', 'email_confirmed',)
+    list_filter = ('email_confirmed',)
+    search_fields = ('user__first_name', 'user__last_name', 'user__email',)
+    autocomplete_fields = ('user', 'team',)
+
+    @admin.display(description=_('first name'), ordering='user__first_name')
+    def first_name(self, record):
+        return record.user.first_name
+
+    @admin.display(description=_('last name'), ordering='user__last_name')
+    def last_name(self, record):
+        return record.user.last_name
+
 
 @admin.register(StudentRegistration)
 class StudentRegistrationAdmin(PolymorphicChildModelAdmin):
-    pass
+    list_display = ('user', 'first_name', 'last_name', 'team', 'email_confirmed',)
+    list_filter = ('email_confirmed',)
+    search_fields = ('user__first_name', 'user__last_name', 'user__email',)
+    autocomplete_fields = ('user', 'team',)
+
+    @admin.display(description=_('first name'), ordering='user__first_name')
+    def first_name(self, record):
+        return record.user.first_name
+
+    @admin.display(description=_('last name'), ordering='user__last_name')
+    def last_name(self, record):
+        return record.user.last_name
 
 
 @admin.register(CoachRegistration)
 class CoachRegistrationAdmin(PolymorphicChildModelAdmin):
-    pass
+    list_display = ('user', 'first_name', 'last_name', 'team', 'email_confirmed',)
+    list_filter = ('email_confirmed',)
+    search_fields = ('user__first_name', 'user__last_name', 'user__email',)
+    autocomplete_fields = ('user', 'team',)
+
+    @admin.display(description=_('first name'), ordering='user__first_name')
+    def first_name(self, record):
+        return record.user.first_name
+
+    @admin.display(description=_('last name'), ordering='user__last_name')
+    def last_name(self, record):
+        return record.user.last_name
 
 
 @admin.register(VolunteerRegistration)
 class VolunteerRegistrationAdmin(PolymorphicChildModelAdmin):
-    pass
+    list_display = ('user', 'first_name', 'last_name', 'tournaments', 'email_confirmed',)
+    list_filter = ('organized_tournaments', 'email_confirmed',)
+    search_fields = ('user__first_name', 'user__last_name', 'user__email',)
+    autocomplete_fields = ('user',)
+
+    @admin.display(description=_('first name'), ordering='user__first_name')
+    def first_name(self, record):
+        return record.user.first_name
+
+    @admin.display(description=_('last name'), ordering='user__last_name')
+    def last_name(self, record):
+        return record.user.last_name
+
+    @admin.display(description=_("tournaments"))
+    def tournaments(self, record):
+        return ', '.join(tr.name for tr in record.interesting_tournaments) or None
 
 
 @admin.register(Payment)
@@ -35,3 +99,4 @@ class PaymentAdmin(ModelAdmin):
     list_display = ('registration', 'type', 'valid', )
     search_fields = ('registration__user__last_name', 'registration__user__first_name', 'registration__user__email',)
     list_filter = ('type', 'valid',)
+    autocomplete_fields = ('registration',)
diff --git a/registration/migrations/0007_alter_participantregistration_options_and_more.py b/registration/migrations/0007_alter_participantregistration_options_and_more.py
new file mode 100644
index 0000000..5aa826c
--- /dev/null
+++ b/registration/migrations/0007_alter_participantregistration_options_and_more.py
@@ -0,0 +1,26 @@
+# Generated by Django 4.1.7 on 2023-04-03 17:12
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("registration", "0006_alter_registration_polymorphic_ctype"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="participantregistration",
+            options={
+                "verbose_name": "participant registration",
+                "verbose_name_plural": "participant registrations",
+            },
+        ),
+        migrations.AlterModelOptions(
+            name="volunteerregistration",
+            options={
+                "verbose_name": "volunteer registration",
+                "verbose_name_plural": "volunteer registrations",
+            },
+        ),
+    ]
diff --git a/registration/models.py b/registration/models.py
index a837079..cf9da7f 100644
--- a/registration/models.py
+++ b/registration/models.py
@@ -192,6 +192,11 @@ class ParticipantRegistration(Registration):
         raise NotImplementedError
 
 
+    class Meta:
+        verbose_name = _("participant registration")
+        verbose_name_plural = _("participant registrations")
+
+
 class StudentRegistration(ParticipantRegistration):
     """
     Specific registration for students.
@@ -317,6 +322,10 @@ class VolunteerRegistration(Registration):
         from registration.forms import VolunteerRegistrationForm
         return VolunteerRegistrationForm
 
+    class Meta:
+        verbose_name = _("volunteer registration")
+        verbose_name_plural = _("volunteer registrations")
+
 
 def get_scholarship_filename(instance, filename):
     return f"authorization/scholarship/scholarship_{instance.registration.pk}"