public void RegisterBot(IGame game, IBot bot)
        {
            Action<ITurnChanged> onTurnChanged = x =>
            {
                if (x.Game == game && !game.HasEnded && game.Turn.Player == bot.Player.Name)
                    bot.PlayTurn(game);
            };
            this.App.GetEventHub().Subscribe(onTurnChanged);

            Action<IGameEnded> onGameEnded = null;
            onGameEnded = x =>
            {
                if (game == x.Game)
                {
                    this.App.GetEventHub().Unsubscribe(onTurnChanged);
                    this.App.GetEventHub().Unsubscribe(onGameEnded);
                }
            };
            this.App.GetEventHub().Subscribe(onGameEnded);
        }