public void deletePlayer(Channel channel) {
        Games pair = findGame(channel);
        if(pair == null) {
            return;
        }
        Channel chX = pair.channelX;
        Channel chO = pair.channelO;
        list.remove(pair);
        if(chO == channel && chX != null)  {
            addPlayer(chX);
        }
        if(chX == channel && chO != null)  {
            addPlayer(chO);
        }    
    }