/// <summary>
 /// get winrate if itemsats present 
 /// </summary>
 /// <param name="itemStats"></param>
 /// <returns></returns>
 private float SafeWinrate(ItemStats itemStats)
 {
     if (itemStats == null)
         return 0;
     else
         return itemStats.Winrate;
 }
 private bool IsBiglewater(ItemStats x)
 {
     // helper for filetering items after bilgewater
     return ViewModel.ItemsFiltered[x.Id.ToString()].IsBilgewater;
 }