It took me a few tries to get it to spit out a perfectly reasonable continuation of a chess game. There's a filter that goes "I can't play games blah blah blah I can only complete text!" but once I got past it, it gave me a series of basically optimal chess moves.
I'm pretty sure I asked it to complete the text for the following 1. e4 d5 2. ....
I'm pretty sure I asked it to complete the text for the following 1. e4 d5 2. ....