as of this pr, every single check box in #59 should now be addressed.
it's a bit of a doozy, but, i recommend verifying each check box against the app, one by one. they should all work as expected now.
for now, if you visit a completed match, whether or not you are logged in, we render the game board in a neutral state, rather than showing the actual last turn
this can be relatively easily implemented at a future point, but, unless this is absolutely necessary for alpha, i vote we call that "polish" and move on for now