diff --git a/traque-back/admin_socket.js b/traque-back/admin_socket.js
index 595ee89..4976cf2 100644
--- a/traque-back/admin_socket.js
+++ b/traque-back/admin_socket.js
@@ -76,9 +76,11 @@ export function initAdminSocketHandler() {
             }
             if (!game.changeSettings(settings)) {
                 socket.emit("error", "Invalid settings");
+                socket.emit("game_settings", penaltyController.settings)
+            } else {
+                secureAdminBroadcast("game_settings", game.settings);
+                playersBroadcast("game_settings", game.settings);
             }
-            secureAdminBroadcast("game_settings", game.settings);
-            playersBroadcast("game_settings", game.settings);
         })
 
         socket.on("set_zone_settings", (settings) => {
diff --git a/traque-back/game.js b/traque-back/game.js
index 4dafe42..bc6a6af 100644
--- a/traque-back/game.js
+++ b/traque-back/game.js
@@ -297,7 +297,7 @@ export default {
         }
         this.teams = this.teams.filter(t => t.id !== teamId);
         this.updateTeamChasing();
-        timeoutHandler.endSendPositionTimeout(team.id);
+        timeoutHandler.endSendPositionTimeout(teamId);
         return true;
     },
 
@@ -342,17 +342,23 @@ export default {
      * @returns false if failed
      */
     setZoneSettings(newSettings) {
-        //cannot change zones while playing
+        if ('min' in newSettings || 'max' in newSettings) {
+            const min = newSettings.min ?? zoneManager.zoneSettings.min;
+            const max = newSettings.max ?? zoneManager.zoneSettings.max;
+            // The end zone must be included in the start zone
+            if (!isInCircle(min.center, max.center, max.radius-min.radius)) {
+                return false;
+            }
+        }
+        zoneManager.udpateSettings(newSettings);
         if (this.state == GameState.PLAYING || this.state == GameState.FINISHED) {
-            return false;
+            zoneManager.reset()
+            if (!zoneManager.start()) {
+                this.setState(GameState.SETUP);
+                return false;
+            }
         }
-        var min = newSettings.min;
-        var max = newSettings.max;
-        // The end zone must be included in the start zone
-        if (!isInCircle(min.center, max.center, max.radius-min.radius)) {
-            return false;
-        }
-        return zoneManager.udpateSettings(newSettings);
+        return true;
     },
 
     /**
diff --git a/traque-back/photo.js b/traque-back/photo.js
index c02df53..d26c20b 100644
--- a/traque-back/photo.js
+++ b/traque-back/photo.js
@@ -59,8 +59,8 @@ export function initPhotoUpload() {
     //App handler for serving the photo of a team given its secret ID
     app.get("/photo/my", (req, res) => {
         let team = game.getTeam(Number(req.query.team));
-        const imagePath = path.join(process.cwd(), UPLOAD_DIR, team.id.toString());
         if (team) {
+            const imagePath = path.join(process.cwd(), UPLOAD_DIR, team.id.toString());
             res.set("Content-Type", "image/png")
             res.set("Access-Control-Allow-Origin", "*");
             res.sendFile(fs.existsSync(imagePath) ? imagePath : path.join(process.cwd(), "images", "missing_image.jpg"));
@@ -71,8 +71,8 @@ export function initPhotoUpload() {
     //App handler for serving the photo of the team chased by the team given by its secret ID
     app.get("/photo/enemy", (req, res) => {
         let team = game.getTeam(Number(req.query.team));
-        const imagePath = path.join(process.cwd(), UPLOAD_DIR, team.chasing.toString());
         if (team) {
+            const imagePath = path.join(process.cwd(), UPLOAD_DIR, team.chasing.toString());
             res.set("Content-Type", "image/png")
             res.set("Access-Control-Allow-Origin", "*");
             res.sendFile(fs.existsSync(imagePath) ? imagePath : path.join(process.cwd(), "images", "missing_image.jpg"));
diff --git a/traque-front/app/admin/layout.js b/traque-front/app/admin/layout.js
index 9ff7fa6..b2097d4 100644
--- a/traque-front/app/admin/layout.js
+++ b/traque-front/app/admin/layout.js
@@ -11,6 +11,7 @@ export default function AdminLayout({ children}) {
                         <ul className='flex' >
                             <Link href="/admin"><li className="p-5 bg-gray-800 hover:bg-gray-600 transition-all cursor-pointer h-full">Admin</li></Link>
                             <Link href="/admin/teams"><li className="p-5 bg-gray-800 hover:bg-gray-600 transition-all cursor-pointer h-full">Teams</li></Link>
+                            <Link href="/admin/parameters"><li className="p-5 bg-gray-800 hover:bg-gray-600 transition-all cursor-pointer h-full">Parameters</li></Link>
                         </ul> 
                     </div>
                     <div className="h-full overflow-y-scroll">
diff --git a/traque-front/app/admin/page.js b/traque-front/app/admin/page.js
index a12197e..5cab131 100644
--- a/traque-front/app/admin/page.js
+++ b/traque-front/app/admin/page.js
@@ -1,16 +1,12 @@
 "use client";
-import { GameSettings } from "@/components/admin/gameSettings";
-import { PenaltySettings } from "@/components/admin/penaltySettings";
 import { TeamReady } from "@/components/admin/teamReady";
 import BlueButton, { GreenButton, RedButton } from "@/components/util/button";
 import { useAdminConnexion } from "@/context/adminConnexionContext";
 import useAdmin from "@/hook/useAdmin";
 import { GameState } from "@/util/gameState";
 import dynamic from "next/dynamic";
+import { TeamListFixed } from '@/components/admin/teamList';
 
-const ZoneSelector = dynamic(() => import('@/components/admin/zoneSelector').then((mod) => mod.ZoneSelector), {
-    ssr: false
-});
 const LiveMap = dynamic(() => import('@/components/admin/mapPicker').then((mod) => mod.LiveMap), {
     ssr: false
 });
@@ -22,7 +18,7 @@ export default function AdminPage() {
         <div className='min-h-full bg-gray-200 p-10 flex flex-row content-start gap-5'>
             <div className="h-full w-2/6">
                 <div className='w-full mb-5 h-1/2 gap-3 bg-white p-10 flex flex-col text-center shadow-2xl '>
-                    <h2 className="text-2xl">Game state </h2>
+                    <h2 className="text-2xl">Game state</h2>
                     <strong className="p-5 bg-gray-900 text-white text-xl rounded">Current : {gameState}</strong>
                     <div className="flex flex-row">
                         <RedButton onClick={() => changeState(GameState.SETUP)}>Reset game</RedButton>
@@ -30,14 +26,11 @@ export default function AdminPage() {
                         <BlueButton onClick={() => changeState(GameState.PLAYING)}>Start game</BlueButton>
                     </div>
                 </div>
-                <GameSettings />
+                {gameState == GameState.PLACEMENT && <TeamReady />}
             </div>
-            {gameState == GameState.PLACEMENT && <div className="max-h-5/6"><TeamReady /></div>}
-            {(gameState == GameState.SETUP || gameState == GameState.PLACEMENT) && <ZoneSelector />}
-            {(gameState == GameState.SETUP || gameState == GameState.PLACEMENT) && <PenaltySettings />}
-            {gameState == GameState.PLAYING && <div className='grow flex-1 row-span-2 bg-white p-10 flex shadow-2xl'>
+            <div className='grow flex-1 row-span-2 bg-white p-10 flex shadow-2xl'>
                 <LiveMap />
-            </div>}
+            </div>
         </div>
     )
 }
\ No newline at end of file
diff --git a/traque-front/app/admin/parameters/page.js b/traque-front/app/admin/parameters/page.js
new file mode 100644
index 0000000..3d5f318
--- /dev/null
+++ b/traque-front/app/admin/parameters/page.js
@@ -0,0 +1,22 @@
+"use client";
+import { GameSettings } from "@/components/admin/gameSettings";
+import { PenaltySettings } from "@/components/admin/penaltySettings";
+import { useAdminConnexion } from "@/context/adminConnexionContext";
+import dynamic from "next/dynamic";
+
+const ZoneSelector = dynamic(() => import('@/components/admin/zoneSelector').then((mod) => mod.ZoneSelector), {
+    ssr: false
+});
+export default function AdminPage() {
+    const { useProtect } = useAdminConnexion();
+    useProtect();
+    return (
+        <div className='min-h-full bg-gray-200 p-10 flex flex-row content-start gap-5'>
+            <div className="h-full w-2/6">
+                <GameSettings />
+            </div>
+            <ZoneSelector />
+            <PenaltySettings />
+        </div>
+    )
+}
\ No newline at end of file
diff --git a/traque-front/components/admin/mapPicker.jsx b/traque-front/components/admin/mapPicker.jsx
index f2af583..31ce085 100644
--- a/traque-front/components/admin/mapPicker.jsx
+++ b/traque-front/components/admin/mapPicker.jsx
@@ -5,6 +5,7 @@ import "leaflet/dist/leaflet.css";
 import { Circle, MapContainer, Marker, TileLayer, useMap, Tooltip, Polyline } from "react-leaflet";
 import { useMapCircleDraw } from "@/hook/mapDrawing";
 import useAdmin from "@/hook/useAdmin";
+import { GameState } from "@/util/gameState";
 
 const positionIcon = new L.Icon({
     iconUrl: '/icons/location.png',
@@ -109,7 +110,7 @@ export function ZonePicker({ minZone, setMinZone, maxZone, setMaxZone, editMode,
 export function LiveMap() {
     const location = useLocation(Infinity);
     const [timeLeftNextZone, setTimeLeftNextZone] = useState(null);
-    const { zone, zoneExtremities, teams, nextZoneDate, isShrinking , getTeam} = useAdmin();
+    const { zone, zoneExtremities, teams, nextZoneDate, isShrinking , getTeam, gameState } = useAdmin();
 
     // Remaining time before sending position
     useEffect(() => {
@@ -143,16 +144,16 @@ export function LiveMap() {
 
     return (
         <div className='min-h-full w-full'>
-            <p>{`${isShrinking ? "Fin" : "Début"} du rétrécissement de la zone dans : ${formatTime(timeLeftNextZone)}`}</p>
+            {gameState == GameState.PLAYING && <p>{`${isShrinking ? "Fin" : "Début"} du rétrécissement de la zone dans : ${formatTime(timeLeftNextZone)}`}</p>}
             <MapContainer className='min-h-full w-full' center={location} zoom={DEFAULT_ZOOM} scrollWheelZoom={true}>
                 <TileLayer
                     attribution='&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
                     url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
                 />
                 <MapPan center={location} zoom={DEFAULT_ZOOM} />
-                {zone && <Circle center={zone.center} radius={zone.radius} color="blue" />}
-                {zoneExtremities && <Circle center={zoneExtremities.begin.center} radius={zoneExtremities.begin.radius} color='black' fill={false} />}
-                {zoneExtremities && <Circle center={zoneExtremities.end.center} radius={zoneExtremities.end.radius} color='red' fill={false} />}
+                {gameState == GameState.PLAYING && zone && <Circle center={zone.center} radius={zone.radius} color="blue" />}
+                {gameState == GameState.PLAYING && zoneExtremities && <Circle center={zoneExtremities.begin.center} radius={zoneExtremities.begin.radius} color='black' fill={false} />}
+                {gameState == GameState.PLAYING && zoneExtremities && <Circle center={zoneExtremities.end.center} radius={zoneExtremities.end.radius} color='red' fill={false} />}
                 {teams.map((team) => team.currentLocation && !team.captured &&
                     <Marker key={team.id} position={team.currentLocation} icon={positionIcon}>
                         <Tooltip permanent direction="top" offset={[0, -5]} className="custom-tooltip">{team.name}</Tooltip>
diff --git a/traque-front/components/admin/penaltySettings.jsx b/traque-front/components/admin/penaltySettings.jsx
index f7b832a..b7a8d59 100644
--- a/traque-front/components/admin/penaltySettings.jsx
+++ b/traque-front/components/admin/penaltySettings.jsx
@@ -18,7 +18,14 @@ export const PenaltySettings = () => {
     }, [penaltySettings]);
 
     function applySettings() {
-        changePenaltySettings({maxPenalties: Number(maxPenalties), allowedTimeOutOfZone: Number(allowedTimeOutOfZone), allowedTimeBetweenPositionUpdate: Number(allowedTimeBetweenUpdates)});
+        const newSettings = {maxPenalties: Number(maxPenalties), allowedTimeOutOfZone: Number(allowedTimeOutOfZone), allowedTimeBetweenPositionUpdate: Number(allowedTimeBetweenUpdates)};
+        const changingSettings = {};
+        for (const key in newSettings) {
+            if (newSettings[key] != penaltySettings[key]) {
+                changingSettings[key] = newSettings[key];
+            }
+        }
+        changePenaltySettings(changingSettings);
     }
 
     return (
diff --git a/traque-front/components/admin/teamEdit.jsx b/traque-front/components/admin/teamEdit.jsx
index 0829c88..43ed926 100644
--- a/traque-front/components/admin/teamEdit.jsx
+++ b/traque-front/components/admin/teamEdit.jsx
@@ -70,19 +70,17 @@ export default function TeamEdit({ selectedTeamId, setSelectedTeamId }) {
                 <div className='flex w-1/2 flex-col space-y-2 h-min self-start'>
                     <h2 className='text-2xl text-center'>Team details</h2>
                     <div>
-                        <p>Secret : {String(team.id).padStart(6, '0')}</p>
-                        <p>Name : {team.name}</p>
+                        <p>Secret : {String(team.id).padStart(6, '0').replace(/(\d{3})(\d{3})/, '$1 $2')}</p>
+                        <p>Capture code : {String(team.captureCode).padStart(4, '0')}</p>
                         <p>Chasing : {getTeamName(team.chasing)}</p>
                         <p>Chased by : {getTeamName(team.chased)}</p>
-                        <p>Capture code : {String(team.captureCode).padStart(4, '0')}</p>
-                        <p>Captured : {team.captured ? "Yes" : "No"}</p>
-                        <p>Has to send location before {new Date(team.locationSendDeadline).toTimeString()}</p>
                         <div className='flex flex-row'>
                             <p>Penalties :</p>
                             <button className='w-7 h-7 mx-4 bg-blue-600 hover:bg-blue-500 text-md ease-out duration-200 text-white shadow-sm rounded' onClick={() => handleAddPenalty(-1)}>-</button>
                             <p>{team.penalties}</p>
                             <button className='w-7 h-7 mx-4 bg-blue-600 hover:bg-blue-500 text-md ease-out duration-200 text-white shadow-sm rounded' onClick={() => handleAddPenalty(1)}>+</button>
                         </div>
+                        <br/>
                     </div>
                 </div>
             </div>
diff --git a/traque-front/components/admin/teamList.jsx b/traque-front/components/admin/teamList.jsx
index ee6ee41..80c7024 100644
--- a/traque-front/components/admin/teamList.jsx
+++ b/traque-front/components/admin/teamList.jsx
@@ -12,16 +12,9 @@ const reorder = (list, startIndex, endIndex) => {
 };
 
 function TeamListItem({ team, index, onSelected, itemSelected }) {
-    let bgColor;
-    if(itemSelected) {
-        bgColor = "bg-blue-400";
-    }else if(team.captured) {
-        bgColor = "bg-red-400";
-    }
-    else {
-        bgColor = "bg-gray-100";
-    }
-    const classNames = 'w-full p-3 my-3 shadow ' + (bgColor);
+    const bgColor = team.captured ? " bg-red-400" : " bg-gray-300";
+    const border = " border border-4 " + (itemSelected ? "border-black" : team.captured ? "border-red-400" : "border-gray-300");
+    const classNames = 'w-full p-3 my-3' + (bgColor) + (border);
     return (
         <Draggable draggableId={team.id.toString()} index={index} onClick={() => onSelected(team.id)}>
             {provided => (
diff --git a/traque-front/components/admin/teamReady.jsx b/traque-front/components/admin/teamReady.jsx
index 504ed79..ea5cd60 100644
--- a/traque-front/components/admin/teamReady.jsx
+++ b/traque-front/components/admin/teamReady.jsx
@@ -2,7 +2,7 @@ import useAdmin from "@/hook/useAdmin"
 
 export function TeamReady() {
     const {teams} = useAdmin();
-    return <div className='w-max h-full gap-1 bg-white p-10 flex flex-col text-center shadow-2xl overflow-y-scroll'>
+    return <div className='w-full h-full gap-1 bg-white p-10 flex flex-col text-center shadow-2xl overflow-y-scroll'>
         <h2 className="text-2xl">Teams ready status</h2>
         {teams.map((team) => team.ready ? (
              <div key={team.id} className="p-2 text-white bg-green-500 shadow-md text-xl rounded flex flex-row">
diff --git a/traque-front/components/admin/zoneSelector.jsx b/traque-front/components/admin/zoneSelector.jsx
index 5b00205..9c770e7 100644
--- a/traque-front/components/admin/zoneSelector.jsx
+++ b/traque-front/components/admin/zoneSelector.jsx
@@ -24,7 +24,14 @@ export function ZoneSelector() {
     }, [zoneSettings]);
 
     function handleSettingsSubmit() {
-        changeZoneSettings({min:minZone, max:maxZone, reductionCount: Number(reductionCount), reductionDuration: Number(reductionDuration), reductionInterval: Number(reductionInterval)});
+        const newSettings = {min:minZone, max:maxZone, reductionCount: Number(reductionCount), reductionDuration: Number(reductionDuration), reductionInterval: Number(reductionInterval)};
+        const changingSettings = {};
+        for (const key in newSettings) {
+            if (newSettings[key] != zoneSettings[key]) {
+                changingSettings[key] = newSettings[key];
+            }
+        }
+        changeZoneSettings(changingSettings);
     }
 
     //When the user set one zone, switch to the other
@@ -39,8 +46,8 @@ export function ZoneSelector() {
 
     return <div className='w-2/5 h-full gap-1 bg-white p-10 flex flex-col text-center shadow-2xl overflow-y-scroll'>
         <h2 className="text-2xl">Edit zones</h2>
-        {editMode == EditMode.MIN && <RedButton onClick={() => setEditMode(EditMode.MAX)}>Edit end zone</RedButton>}
-        {editMode == EditMode.MAX && <BlueButton onClick={() => setEditMode(EditMode.MIN)}>Edit start zone</BlueButton>}
+        {editMode == EditMode.MIN && <BlueButton onClick={() => setEditMode(EditMode.MAX)}>Click to edit first zone</BlueButton>}
+        {editMode == EditMode.MAX && <RedButton onClick={() => setEditMode(EditMode.MIN)}>Click to edit last zone</RedButton>}
         <ZonePicker minZone={minZone} maxZone={maxZone} editMode={editMode} setMinZone={setMinZone} setMaxZone={setMaxZone} />
         <div>
             <p>Number of reductions</p>