Yeah, it is 50-50 ... altho the proof is a little more difficult than I thought.

>>So, do you know how to prove whether a shuffle is winnable?
>>
>
>From a probability perspective, I'd say it's 1/2 either it is or it isn't!<g>
>
>
>
>>>>>>>Does ISBLANK() help?
>>>>>>>
>>>>>>>Jim
>>>>>>>
>>>>>>Yes, it does, or at least it allows you to filter only those that have values, then select the false records. I also determined I could put the grid on a form, then select the column and then copy and paste the contents programatically to resolve the dilemma. Isblank() will be much easier though. As usual, with fox, there are several ways to work it out.
>>>>>
>>>>>That was easy... now try
>>>>>
>>>>>activate window puzzle
>>>>>
>>>>>to get a real one :).
>>>>
>>>>been there done that, so what's the hotkey combo to win the game?
>>>
>>>Ctrl+end. Ctrl+home shuffles.