To allow pieces to be dropped (or sometimes chosen for promotion) the number of those you have in hand should be non-zero. And if it is non-zero it will be displayed. You would only have or get pieces in hand when you need those for dropping, or as possible promotion choices, and in both cases it seems important to know how many you still have in hand.
To allow pieces to be dropped (or sometimes chosen for promotion) the number of those you have in hand should be non-zero. And if it is non-zero it will be displayed. You would only have or get pieces in hand when you need those for dropping, or as possible promotion choices, and in both cases it seems important to know how many you still have in hand.