Search found 1400 matches

by Ajedrecista
Tue Aug 09, 2011 4:25 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Perft(13) betting pool
Replies: 576
Views: 716363

Re: Yet another piece of perft(13)

Hi everybody: In other thread, Mr. Edwards has posted the result of four Perft(11) subtotals of the Perft(13) count: Na3, a6 ---> 1,865,423,942,798,492 Nc3, a6 ---> 2,458,021,022,756,805 b3, a6 ---> 2,110,456,650,953,864 a3, a6 ---> 1,562,327,606,120,748 I hope I do not post typos... I think these ...
by Ajedrecista
Tue Aug 09, 2011 11:41 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Perft(13) betting pool
Replies: 576
Views: 716363

Re: Yet another piece of perft(13)

Hi everybody: In other thread, Mr. Edwards has posted the result of four Perft(11) subtotals of the Perft(13) count: Na3, a6 ---> 1,865,423,942,798,492 Nc3, a6 ---> 2,458,021,022,756,805 b3, a6 ---> 2,110,456,650,953,864 a3, a6 ---> 1,562,327,606,120,748 I hope I do not post typos... I think these s...
by Ajedrecista
Sat Aug 06, 2011 6:15 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Perft(13) betting pool
Replies: 576
Views: 716363

Re: Perft(13) betting pool

Hi Jesus Thanks for the detailed work. I also tried something similar by taking result of perft(12) and perft(11) with two consecutive moves. At the time I tried it I didn't include the odd-even effect so my result wasn't good. But with your formula which takes care of that effect you should be abl...
by Ajedrecista
Sat Aug 06, 2011 1:55 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Perft(13) betting pool
Replies: 576
Views: 716363

Re: Perft(13) betting poll

Hi Adam: Thanks for clarifying it. If I take the numbers of François Labelle web, the result that you used is 62,846,608,144,842,788 (hoping no typos). Anyway, your estimates are enough good to be considered. I guess that your recalculation should give similar results. I have not checked your equati...
by Ajedrecista
Sat Aug 06, 2011 11:33 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Perft(13) betting pool
Replies: 576
Views: 716363

Re: Perft(13) betting pool

Hi Daniel: I took a look on your new method: http://talkchess.com/forum/viewtopic.php?topic_view=threads&p=417149&t=39678 The Perft count seems very good (it almost fits in my new interval (1.9804681 ± 0.0002024)e+18 , which is a total surprise for me!). I have calculated (I hope there are not erro...
by Ajedrecista
Sat Aug 06, 2011 9:00 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Perft(13) betting pool
Replies: 576
Views: 716363

Re: Perft(13) betting poll

I have another Hocus Pocus estimation: 1.9803e+18 I ran a regression on the odd branching factors to obtain an overfitted equation, then used this equation to predict perft(13)/perft(12) = ~31.510522. I am also deriving an estimate from sampling actual games. It will be much less accurate than Pete...
by Ajedrecista
Thu Aug 04, 2011 11:15 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Perft(13) betting pool
Replies: 576
Views: 716363

Re: Perft(13) betting pool

Hi again: I am glad to see how Shawul's UCT run and also new Adam Hair's estimate based in estimating BF with polynomials and logarithms suit in my interval. I have worked a little on my 'method' and I discovered that is a little better than I expected! It can also estimates Perft in even cases of n...
by Ajedrecista
Fri Jul 29, 2011 5:50 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Perft(13) betting pool
Replies: 576
Views: 716363

Re: Perft(13) betting pool

Hi again Daniel: Thanks for your quick response. When I read your post I can do nothing but laugh! I did not understand anything, it is like Chinese to me (no offense to Chinese people or language). I know nothing about programming, but thanks for trying to explain to somebody than maybe understands...
by Ajedrecista
Fri Jul 29, 2011 3:43 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Perft(13) betting pool
Replies: 576
Views: 716363

Re: Perft(13) betting pool

Hi Daniel: I took a look on your new method: http://talkchess.com/forum/viewtopic.php?topic_view=threads&p=417149&t=39678 The Perft count seems very good (it almost fits in my new interval (1.9804681 ± 0.0002024)e+18 , which is a total surprise for me!). I have calculated (I hope there are not error...
by Ajedrecista
Thu Jul 28, 2011 4:56 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Perft(13) betting pool
Replies: 576
Views: 716363

Re: Perft(13) betting pool

Hello to everyone: I redid by hand (only using the calculator of Windows) all the math involving the cubic polynomial adjust of my method because I was afraid that Excel approximations hurted a little my estimate. In fact, range width has been narrowed a little (from ~ |±0.013%| to ~ |±0.01022%|), s...