From 36d5aa30fc4c54c11775782f25d006c2cac996f8 Mon Sep 17 00:00:00 2001
From: Bram van den Heuvel <bram.vdh1999@gmail.com>
Date: Wed, 1 Jul 2026 21:54:24 +0200
Subject: [PATCH] Restrict participation to clients that want to participate

---
 agents/remote.py   | 10 ++++++++++
 elo_tracker/app.py |  9 +++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/agents/remote.py b/agents/remote.py
index 5e32957..8eb61ce 100644
--- a/agents/remote.py
+++ b/agents/remote.py
@@ -20,6 +20,7 @@ class RemoteAgent(Agent):
     """
 
     url : str
+    games : set[str]
 
     def __init__(self, url : str, timeout : float = 1.0) -> None:
         """
@@ -57,6 +58,8 @@ class RemoteAgent(Agent):
             profile=content,
         )
 
+        self.games = set()
+        
         games = content.get("games")
         if isinstance(games, dict):
             if "tic-tac-toe" in games:
@@ -64,6 +67,13 @@ class RemoteAgent(Agent):
                     on_move=lambda x : self.poll("tic-tac-toe", "", x),
                     profile=games["tic-tac-toe"],
                 )
+            if "royal-game-of-ur" in games:
+                self.add_royal_game_of_ur(
+                    on_move=lambda x : self.poll("royal-game-of-ur", "", x),
+                    profile=games["royal-game-of-ur"],
+                )
+        
+            self.games = set(games.keys())
 
     def get_action(self, game: str, action: str | None) -> Callable[[dict[str, Any]], dict[str, Any]] | None:
         """
diff --git a/elo_tracker/app.py b/elo_tracker/app.py
index 82f436e..a33ba13 100644
--- a/elo_tracker/app.py
+++ b/elo_tracker/app.py
@@ -452,7 +452,12 @@ class EloTracker:
                 self.load_players()
 
                 with self.__lock:
-                    available = len(self.players)
+                    players = [
+                        player for player in self.players
+                        if game.game_name() in player.games
+                    ]
+                
+                available = len(players)
 
                 if available < player_count:
                     self.__debug(
@@ -461,7 +466,7 @@ class EloTracker:
                     )
                 else:
                     self.__debug(
-                        "Playing a new scheduled match"
+                        f"Playing a new scheduled match of {game.game_name()}"
                     )
                     self.play_random_match(game=game, player_count=player_count)
             except Exception as exc: