what happens when the opponent deviates from joseki? knowing how to punish joseki mistakes can be very, very tricky.
also knowing which joseki to use where is very, very sophisticated. the wrong joseki can be worse globally than a non-joseki move. s. On 8/12/08, Ian Osgood <[EMAIL PROTECTED]> wrote: > > On Aug 12, 2008, at 5:25 AM, Don Dailey wrote: > > > > On Tue, 2008-08-12 at 08:43 +0200, Gian-Carlo Pascutto wrote: > > > > > > > > I don't like opening books. They are a liability when the rest of the > > > program is still improving so quickly. > > > > > > > I had one that worked effectively, but had to be redone if the program > > improved substantially, so it was a program. I essentially deep-search > > each new position encountered. So each game played presented a new book > > position to learn which I did off-line. It even had variety - I didn't > > want it too predictable so I deep searched N times, and used the moves > > in the same ratio they were chosen. Usually only 1 or 2 moves get > > played. > > > > This is a different kind of opening book than I'm thinking of. You are both > talking about cached computation, whereas I consider an opening book as > codified theory and wisdom gained over the entire history of the game > (semeais and joseki). How could adding established semeai and joseki > patterns (probably for early move selection and bias) to a program make it > weaker? If anything, the global view of full-board MCTS has the potential > to make better use of semeai and joseki patterns than the classical > shallow-search programs. > > Self-learned books were also abandoned in chess. Hand tuned books are labor > intensive, often requiring a separate team member to create them, but the > best chess programs all have them. > > Ian > > > _______________________________________________ > computer-go mailing list > computer-go@computer-go.org > http://www.computer-go.org/mailman/listinfo/computer-go/ > _______________________________________________ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/
