Sometimes they are 0 sometimes 11,12 or 15. Sometimes they are 52 or 62 ???

I asked the same thing about a year ago, didn't get an answer then - 

https://www.flyordie.com/forum/236383

“Moves” are how many shots are taken.  

0 moves would show that the game ended early.

So why would you have 11 moves if the game goes the full distance ?

Yes ,Point!