Specific position

I think I understand about using "gid" to link to a game. Is there anyway to link to a specific move position (move #16, for example) or do I use FEN? Thanks.

Originally posted by MontyMoose
I think I understand about using "gid" to link to a game. Is there anyway to link to a specific move position (move #16, for example) or do I use FEN? Thanks.