Seriously though, my only guess is "Searching for Bobby Fisher". I don't recall a scene that dark in it but since the whole freakin movie seems to be nothing but a kid playing chess, I'll play the odds.

I also recall a dark chess scene in Blade Runner but hey had funkier pieces, so no.

I also was initially thinking Lucky Number Slevin but ruled it out after comparing the images via Google.

With great power comes Awesome irresponsibility.