I liked this, and it was excellent. It possibly even conveys the idea of a sufficiently intelligent entity deriving complicated and useful results from little information, implementing superior evidence-gathering and processing to win, and possibly having sapient emotions.
http://www.infinityplus.co.uk/stories/under.htm?2. 15-30 min read time, rated "pretty good" by me.
There are a couple of interesting features of this story that I would like to discuss - but I don't want to introduce any spoilers, so I'll just leave this here for now.