diff --git a/src/apps/ttt.js b/src/apps/ttt.js
index b77430d..1575d95 100644
--- a/src/apps/ttt.js
+++ b/src/apps/ttt.js
@@ -24,12 +24,7 @@ ws.onmessage = (event) => {
     let msg = JSON.parse(event.data);
     let cells = [];
     for (let i = 0; i < 9; i++) {
-      let owner = null;
-      if (((msg.board >> (17 - i)) & 1) == 1) {
-        owner = 0;
-      } else if (((msg.board >> (8 - i)) & 1) == 1) {
-        owner = 1;
-      }
+      let owner = msg.board[i];
 
       let tagName;
       if (msg.turn == team && owner === null) {
diff --git a/src/apps/ttt.rs b/src/apps/ttt.rs
index 818806e..d88f2ab 100644
--- a/src/apps/ttt.rs
+++ b/src/apps/ttt.rs
@@ -16,31 +16,63 @@ use super::App;
 
 // bits [0; 8] : player zero board / bits [9; 17] : player one board / is_ended [18] / is_draw [19] / winner [20]: 0=blue 1=green / current_turn [21]: 0=blue 1=green
 
-#[derive(Debug, Serialize, Clone, PartialEq, Eq, Default)]
+#[derive(Debug, Serialize, Clone, PartialEq, Eq)]
 struct Game {
     board: [Option<Team>; 9],
     turn: Option<Team>,
     winner: Option<Team>,
 }
-static GAME: Mutex<ThreadModeRawMutex, Game> = Mutex::new(Game {
-    board: [None; 9],
-    turn: Some(Team::Zero),
-    winner: None,
-});
+impl Game {
+    const fn default() -> Self {
+        Game {
+            board: [None; 9],
+            turn: Some(Team::Zero),
+            winner: None,
+        }
+    }
+    fn check_end(&mut self) -> bool {
+        for [a, b, c] in [
+            [0, 1, 2],
+            [3, 4, 5],
+            [6, 7, 8],
+            [0, 3, 6],
+            [1, 4, 7],
+            [2, 5, 8],
+            [0, 4, 8],
+            [2, 4, 6],
+        ] {
+            if let Some(t) = self.board[a] {
+                if self.board[b] == Some(t) && self.board[c] == Some(t) {
+                    self.winner = Some(t);
+                    self.turn = None;
+                    return true;
+                }
+            }
+        }
+        false
+    }
+}
+
+static GAME: Mutex<ThreadModeRawMutex, Game> = Mutex::new(Game::default());
 
 // {"board"=[null,null,null,null,null,null,null,null,null],"turn"=null,"winner":null}
 
 pub struct TttApp {
     team: Team,
     last_game: Game,
-    end: Option<(Instant, Option<Team>)>,
+    /// Only one socket manages the end, this can be None even when it's the end
+    end: Option<Instant>,
     json_buf: [u8; 128],
 }
 impl TttApp {
     pub fn new(team: Team) -> Self {
         Self {
             team,
-            last_game: Game::default(),
+            last_game: Game {
+                board: [None; 9],
+                turn: None,
+                winner: None,
+            },
             end: None,
             json_buf: [0; 128],
         }
@@ -134,24 +166,35 @@ impl App for TttApp {
                     ws.send(WsMsg::Ping(&[])).await?;
                     info!("ping");
                 }
+                if self.end.map(|e| e.elapsed()).unwrap_or_default() > Duration::from_secs(5) {
+                    self.end = None;
+                    *game = Game {
+                        turn: Some(!unwrap_opt(game.winner).await),
+                        ..Game::default()
+                    };
+                }
                 while let Some(r) = ws.rcv().await? {
                     info!("{:?}", r);
                     if let WsMsg::Bytes([c]) = r {
-                        let c = *c;
+                        let c = *c as usize;
                         info!("c={}", c);
-                        if c > 8 {}
-                        match game.board.get_mut(c as usize) {
-                            None => {
-                                warn!("Cell played is too big!");
-                                return;
-                            }
-                            Some(Some(_)) => {
-                                warn!("Cell is already taken!");
-                                return;
-                            }
-                            Some(cell) => {
-                                *cell = Some(self.team);
+                        if c >= game.board.len() {
+                            warn!("Cell played is too big!");
+                            return;
+                        }
+                        if game.board[c].is_some() {
+                            warn!("Cell is already taken!");
+                            return;
+                        }
+                        if game.turn == Some(self.team) {
+                            game.board[c] = Some(self.team);
+                            game.turn = Some(!self.team);
+                            if game.check_end() {
+                                self.end = Some(Instant::now());
                             }
+                        } else {
+                            warn!("It's not your turn!");
+                            return;
                         }
                         info!("{:#?}", game);
                     }