A simplistic model that helps explain this is golf. On a single hole, even a casual golfer has a realistic chance of out-golfing Tiger Woods. Tiger occasionally shoots a 1 over par on some hole and even weak amateurs occasionally par or even birdie a hole. It's not going to happen a lot, but it's not ridiculous either. Years ago I taught a player how to golf, and on his third time out with me, he hit a hole in one on a short par 3. If Tiger Woods had been playing with us, he would have lost that hole to this beginner.
But in a 9 hole match, the odds go down enormously - for all practical purposes there is no chance. I kind of think of GO like that, even though it's a pretty simplistic model. Each move is like a hole of golf, it can be a good "shot" or a bad one. With GO, however, probably a LOT of your moves are just as good as the moves of a good player. But it's the ones that fall short, that kill you. Go on a big board is like 18 holes of golf compared to just 1 or 2 holes of golf. The better player is far more likely to win the 18 hole match than the 1 hole match. - Don On Tue, Apr 28, 2009 at 1:53 PM, Ivan Dubois <[email protected]> wrote: > I noticed that, in general, changes in the playout policy have a much >> bigger impact on larger boards than on smaller boards. >> >> Rémi >> > > I think rating differences are emplified on larger boards. This is easy to > see if you think about it this way : > > Somehow a 19x19 board is like 4 9x9 boards. Let us define a new game that I > would call 4-Go where instead of playing one game, you play simultenously 4 > games and determine the winner by calculating the sum of the scores of the > four games. Certainly rating differences would be bigger with 4-go than with > go (given the same two players). This explains why rating differences are > bigger on 19x19 than 9x9. > > Ivan > > _______________________________________________ > computer-go mailing list > [email protected] > http://www.computer-go.org/mailman/listinfo/computer-go/ >
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