public void notifyUsersAfterChallenge(User challengedUser) { MessagePacket packet = new MessagePacket(GameProtocol.ChangeUserToChallenged(), challengedUser.Username); foreach (User user in Singleton.Singleton.Instance.ListOfUsersLogged) { if (user == challengedUser) { continue; } Othello.Server.SendPacket(user.Socket, packet.getData()); } }