Kenneth Porter <76161.3013@compuserve.com> asks:
> How can you have a surprise checkmate with two apparently
> chess-knowledgeable onlookers? BTW, how many of the cast and crew
> have played chess?

Actually, I play chess, though not as much as I used to...and
believe me, there are *many* times I've been surprised and ambushed by
a move I absolutely did NOT see coming. (I'm also a sucker for a
fool's mate.)

jms