public void RollHowFirstComp(string user, string computer)
        {
            if (!string.IsNullOrEmpty(user) && !string.IsNullOrEmpty(computer))
            {
                var callback = OperationContext.Current.GetCallbackChannel <IClientCallback>();

                var arrayResult = GameMng.RollHowFirst(user, computer);

                var   number1      = int.Parse(arrayResult[0]);
                var   number2      = int.Parse(arrayResult[1]);
                int[] resultToSend = new int[2];

                resultToSend[0] = (number1 == 0) ? 1 : number1;
                resultToSend[1] = (number2 == 0) ? 1 : number2;

                //Send to User result of first roll
                _callback[user].RecieveRollHowFirst(user, computer, resultToSend);

                //Computer rolling
                arrayResult  = GameMng.RollHowFirst(computer, user);
                number1      = int.Parse(arrayResult[0]);
                number2      = int.Parse(arrayResult[1]);
                resultToSend = new int[2];

                resultToSend[0] = (number1 == 0) ? 1 : number1;
                resultToSend[1] = (number2 == 0) ? 1 : number2;

                //Send to User result of second roll
                _callback[user].RecieveRollHowFirst(user, computer, resultToSend);

                if (arrayResult[2] != string.Empty)
                {
                    var winnerName = arrayResult[2];
                    if (winnerName == user)
                    {
                        _callback[user].CloseHowToFirstFromServer(user, computer, true);
                        GameMng.DeleteHowToFirst(user, computer);
                        GameMng.AddGame(user, computer);
                    }
                    else
                    {
                        _callback[user].CloseHowToFirstFromServer(user, computer, false);
                        GameMng.DeleteHowToFirst(user, computer);
                        GameMng.AddGame(computer, user);
                        //MoveCheckerAuto(computer, user);
                    }
                }
                else
                {
                    if (number1 == number2)
                    {
                        _callback[user].GameInfoUpdateFromServer(computer, "The numbers are equals. Try again");
                    }
                }
            }
        }
 /// <summary>
 /// Starts the game
 /// </summary>
 /// <param name="userName">user name</param>
 /// <param name="opponentName">opponent name</param>
 /// <param name="master">how move first</param>
 public void StartGame(string userName, string opponentName, bool master)
 {
     if (!string.IsNullOrEmpty(userName) && !string.IsNullOrEmpty(opponentName))
     {
         var callback = OperationContext.Current.GetCallbackChannel <IClientCallback>();
         try
         {
             lock (padlock)
             {
                 if (_callback.ContainsKey(userName))
                 {
                     GameMng.AddGame(userName, opponentName);
                     _callback[userName].StartGameFromServer(userName, opponentName, master);
                 }
             }
         }
         catch (Exception ex)
         {
             callback.RecieveError(ex.Message);
         }
     }
 }