From theory to reality, analysis and early planning to a real world application, xiego is on it's way, and looks like:
... 4 people, one game, 6 months. It acts like a "go framework" which can be grafted on different AI or servers easilly.
[above picture: the gnuGo engine playing against itself, all on it's own. Very interesting to see it having a hard time at countering it's own manouvers]
It still needs internationalization, and a web loader, but it will soon be a free, public product for go lovers like me.
Xie was a general who happened to be fond of go, and is often depicted playing it.
Go is considered a martial art, and indeed, is an art.
And finally, ancient legends report that two dragons were assigned a mission to play the game and explore
it's wealth of subtle strategies, and that additional dragons are sent each millenium to observe the match. The 5th observing dragon has joined
them recently, with the beginning or our third millenium.
Go is as old as that.