Ошибка в коде (крестики нолики)

#include <iostream>
#include <ctime>
#include <cstdlib>
#include <locale> 
 
 
using namespace std;
// 9 Mainigie lielumi
char Board [9];
 
 
 
void showBoard ( );
bool moveIsValid (int m );
int whoWon(); // Atbriezas pie 0 ja neviens neuzvar,1 ja uzvar 1.speletajs, 2 ja uzvar 2.speletajs
int main ( ) 
{
 
 
 
srand(time(NULL));
 
// Kopejie mainigie
string Player_1_name;    // 1.speletajs
string Player_2_name;    // 2.speletajs
int Whose_Turn = 1; // 1 - 1.speletaja gajiens......2 - 2.speletaja gajiens
int Move; // Kur speletajs velas ielikt  X vai O
int Total_Moves = 0;
int num_players = 0;
char choice;
while(true)
{
 
 
// Pieskir vertibas speles laukumam
Board[0] = '0';
Board[1] = '1';
Board[2] = '2';
Board[3] = '3';
Board[4] = '4';
Board[5] = '5';
Board[6] = '6';
Board[7] = '7';
Board[8] = '8';
 
 
 
// Lauj izveleties vai spelet ar datoru vai cilveku
cout << "Sveicinats spele Krustini un nullites.\nIevadi 1 prieks viena speletaja, bet 2 prieks diviem speletajiem" << endl;
cin >> num_players;
  if (num_players ==2) {  // Ja divi speletaji, tad prasa abiem nosaukumus
    // Ieraksta speletaja vardus divu speletaju rezimam
    cout << " Speletajs 1: Ievadi vardu " << endl;
    cin >> Player_1_name;
    cout << " Speletajs 2: Ievadi vardu " << endl;
    cin >> Player_2_name;
  }
  if (num_players == 1) {
  // Ieraksta speletaja vardu vienspeletaja rezimam
    cout << " Speletajs 1: Ievadi vardu " << endl;
    cin >> Player_1_name;
    while (whoWon ( ) ==0 && Total_Moves < 9) {
      do {
        // Parada speles laukumu
        showBoard ();
        // Parada kuram speletajam javeic gajiens
        if (Whose_Turn ==1) {
          cout << Player_1_name << ": Ir tavs gajiens" << endl;
          cout << " Ievadi laukuma numuru kuru velies atzimet." << endl;
          cin >> Move;
        } else {
          Move = rand() % 9;
          cout << "Datora gajiens: " << Move << endl;
        }
        // Noskaidro gajienu
       // cout << " Ievadi laukuma numuru kuru velies atzimet." << endl;
       // cin >> Move;
      } while (moveIsValid (Move) != true);
      // Pievieno 1 kopejam gajienu skaitam
      Total_Moves++;
      // Nakamas personas gajiens
      switch (Whose_Turn) {    //izvelas kurs nakamais veic gajienu
        case (1): {
          Board[Move] = 'x';
          Whose_Turn = 2;
          break;
        }
        case (2): {
          Board[Move] = 'o';
          Whose_Turn = 1;
        }
      }
    }
    // Parada speles laukumu
    showBoard ();
    if (whoWon () == 1) 
    {
      // Parada speles laukumu
      showBoard();
      cout << Player_1_name << " uzvareja speli!" << endl;
    } 
    if (whoWon () == 2) 
    {
      // Parada speles laukumu
      showBoard();
      cout << " Dators uzvareja speli! " << endl;
    } 
    if (Total_Moves==9 && !whoWon()) 
    {
      // Parada speles laukumu
      showBoard();
      cout << "Neizskirts!" << endl;
    }
        cout << "Vai velies spelet velreiz? y vai n\n"<<endl;
    cin >> choice;
    if(choice == 'Y'|| choice =='y')
    {
    continue;
    }
    else if(choice =='N'||choice =='n')
    {
    break;
    }
    }
}
  return 0;
}
void showBoard ( ) {
  cout << endl;
  cout << Board[0] << " | " << Board[1] << " | " << Board[2] << endl;
  cout << "--+---+--" << endl;
  cout << Board[3] << " | " << Board[4] << " | " << Board[5] << endl;
  cout << "--+---+--" << endl;
  cout << Board[6] << " | " << Board[7] << " | " << Board[8] << endl;
  cout << endl;
}
 
// Speles laukuma izveidi skatijos google, lai speles laukums izskatitos pec kvadrata
 
bool moveIsValid (int m ) {
  if (Board[m] != 'x' && Board[m] != 'o') {
    return true;
  } else {
    return false;
  }
}
 
int whoWon ( ) {
if (Board[0] == Board[1] && Board[1] == Board[2]) {
  if (Board[0] == 'x') {
    return 1;
  } else {
    return 2;
  }
}
if (Board[3] == Board[4] && Board[4] == Board[5]) {
  if (Board[3] == 'x') {
    return 1;
  } else {
    return 2;
  }
}
if (Board[6] == Board[7] && Board[7] == Board[8]) {
  if (Board[6] == 'x') {
    return 1;
  } else {
    return 2;
  }
}
if (Board[0] == Board[3] && Board[3] == Board[6]) {
  if (Board[0] == 'x') {
    return 1;
  } else {
    return 2;
  }
}
if (Board[1] == Board[4] && Board[4] == Board[7]) {
  if (Board[1] == 'x') {
    return 1;
  } else {
    return 2;
  }
}
if (Board[2] == Board[5] && Board[5] == Board[8]) {
  if (Board[2] == 'x') {
    return 1;
  } else {
    return 2;
  }
}
if (Board[0] == Board[4] && Board[4] == Board[8]) {
  if (Board[0] == 'x') {
    return 1;
  } else {
    return 2;
  }
}
if (Board[2] == Board[4] && Board[4] == Board[6]) {
  if (Board[2] == 'x') {
    return 1;
  } else {
    return 2;
  }
}
return 0;
 
}