public string MakeSgf(GameNode node)
{
string retour;
List <GameNode> childrens = node.GetChidrens();
retour = node.GetValue();
if (childrens.Count > 1)
{
foreach (var ch in childrens)
{
retour = retour + "(" + MakeSgf(ch) + ")";
}
}
else if (childrens.Count == 1)
{
retour = retour + MakeSgf(childrens[0]);
}
return(retour);
}
