{//this is a new, better fork check that simply checks if two or more wins are possible for player 2 on the next turn
public static bool check(int[] arr)
{
int count = 0;
foreach (int x in arr)
{
if (x != 0)
{
count++;
}
}
if (count != 5)
{
return(false);
}
if (WinValid.WinVal(arr) >= 1)
{
return(false);
}
int coun = 0;
for (int i = 0; i < 9; i++)
{
if (arr[i] == 0)
{
arr[i] = 2;
if (WinCheck.Win(arr))
{
coun++;
}
arr[i] = 0;
}
}
if (coun > 1)
{
return(true);
}
return(false);
}
{//check to ensure that only valid board states are used in the firs place
//like ensuring that the board states with a difference of more than one between the number of moves is not allowed
public static bool check(int[] arr)
{
int twoCount = 0;
int oneCount = 0;
foreach (int x in arr)
{
if (x == 1)
{
oneCount++;
}
if (x == 2)
{
twoCount++;
}
}
if (twoCount - oneCount > 1)
{
return(false);
}
if (oneCount - twoCount > 0)
{
return(false);
}
if (WinValid.WinVal(arr) > 1)
{
return(false);
}
else
{
return(true);
}
}