[computer-go] Re: Explanation to MoGo paper wanted.

[Dave Dyer]

One of my favorite observations about Go is that expert play tends
to be "on the edge of catastrophy".  

By playing better moves on the average, you become more vulnerable
to the occasional misstep.

If a program is not very good, random better or worse moves do not have
much effect.  If the program improves, it's closer to the edge, and 
random missteps are more likely to make it fall off the cliff.