Looking superficially...

The game length appears in the right ballpark. I seem to remember 110-112 moves, depending on how passed are counted.

20k playouts/core/sec seems reasonable for lightly optimized.

The center bias also looks correct.

The win rates don't look right to me. 7.5 Komi gives white a significant edge in random playouts that results in a 40-60 split (don't take those numbers as exact)

Sent from my iPhone

On Oct 8, 2008, at 8:35 AM, Denis fidaali <[EMAIL PROTECTED]> wrote:


hi,
Thanks Dave Hillis for this quick response. (And by the way, thanks to Remy Coulomb for a previous response he made a while ago. I just though that post containing only thanks would be noise to most people there ...)

To Don and Christoph : I reallize that i was probably not as clear as i though i was. I have built up a light simulator. There are no tree involved. It is only choosing a move with equiprobabilty from the set of empty points on the board. If the move is not valid, it just choose another one. If it's a "pseudo eye" then it again chooses another point. Whenever no point can be validly chosen, it just pass. Whenever two consecutives pass occurs, the simulation end.

Now, i wanted to make sure that my implementation had any chances to be correct. So i though I'd post the characteristic statistical values that i get out of it. Indeed i though it could benefits others later on, in particular if someone could corroborate them :)


So here is another set of Values. It is the all-move-as-first score from an empty board for black stones (black plays first in my simulations). It gives the probability of black wining the game (while playing randomly), if he has played an intersection before white during the simulation. ,0566 means 0.566 chances out of 1 that a game where black has played there is a win for black.

Could anyone once again confirm that those results sounds correct ?


mean score =2.1726424464558005
79655.5328628921 Playout/sec
Time=12.563621936
Number of playout=1000762.0
Mean moves per sim 111.06333373969035

Amaf Result :  (from empty board, black plays first)
||,490||,507||,506||,511||,514||,511||,506||,507||,490
||,507||,524||,533||,539||,541||,539||,533||,524||,507
||,506||,534||,544||,550||,553||,551||,544||,533||,505
||,511||,539||,550||,558||,561||,558||,551||,539||,511
||,513||,541||,553||,562||,566||,560||,552||,541||,513
||,511||,539||,550||,558||,560||,558||,550||,539||,511
||,507||,532||,544||,551||,552||,550||,544||,532||,506
||,507||,523||,534||,538||,541||,538||,532||,523||,507
||,491||,507||,505||,512||,513||,511||,506||,507||,492


PS : how can i do so that my response to this mailing-list will be correctly indented ? (for example i would have liked to set this one as a response to my previous post).
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