On 1, Dec 2006, at 6:15 AM, Wodzu wrote:
----- Original Message ----- From: "David Doshay" <[EMAIL PROTECTED]>
Also, my data shows that if I doubled the time allowed for
playing, thus
"using" the time gained from faster execution for doing deeper
lookahead,
the results did not improve, but actually got worse.
I've also noticed that when i run my engine to play itself on
different
depth level.
The "deeper" player sometimes was defeated by his opponent with
lesser depth
analysis. I guess he wasn't able to fidna good move because of the
horizon effect.
In self-play, I find deeper always has a greater win rate. I only
look at
statistics over many games. Of course, individual games go both ways.
Although I think when you run your engine with some more depth it
will vipe
out its opponent from board;)
Nope, the effect is clear. If the lookahead is too deep against a
different
engine (Many Faces of Go) then there is a lower win rate than a less
deep lookahead. It just does not help to base evaluation upon boards
that never occur.
I have checked lookaheads of 0, 2, 4, 6, 8, and 16 against GNU Go (same
engine and thus a very high hit rate on the lookaheads), and 0, 2, 3,
4, 6, 8,
and 16 against Many Faces, where the game usually branches from the
paths
that SlugGo checks by the 4th move.
Cheers,
David
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