Page 1 of 3

w49921 net

Posted: Tue Nov 26, 2019 9:31 pm
by corres
What kind of net is w49921 and what purpose it is served?
https://www.computerchess.org.uk/ccrl/404/

Re: w49921 net

Posted: Tue Nov 26, 2019 10:45 pm
by corres
corres wrote: Tue Nov 26, 2019 9:31 pm What kind of net is w49921 and what purpose it is served?
https://www.computerchess.org.uk/ccrl/404/
We can find this net only in connection to Fat Fritz.
So 49921 net is the net of Fat Fritz what is usable for Leela or a special net to demonstrate the power of Fat Fritz over Leela - at least if Leela uses this net. May be both of it.
Any comment?

Re: w49921 net

Posted: Tue Nov 26, 2019 11:01 pm
by Graham Banks
https://lczero.org/networks/

49921 3 4fd54df8 3355.00 105274 20 256 2019-07-29 17:02:08 +00:00 3355

Re: w49921 net

Posted: Tue Nov 26, 2019 11:02 pm
by Modern Times
it is just one of hundreds of Lc0 nets. You'll find it here.

http://lczero.org/networks/

Re: w49921 net

Posted: Tue Nov 26, 2019 11:45 pm
by corres
Graham Banks wrote: Tue Nov 26, 2019 11:01 pm https://lczero.org/networks/
49921 3 4fd54df8 3355.00 105274 20 256 2019-07-29 17:02:08 +00:00 3355
Thanks.
Why did you choose this net for test and why did you not choose other well-known net like 42850, T40B.4-160 or -260, 40.T8.610, etc? In the latter case we can make comparison more easily to earlier tests.

Re: w49921 net

Posted: Tue Nov 26, 2019 11:51 pm
by Graham Banks
corres wrote: Tue Nov 26, 2019 11:45 pm
Graham Banks wrote: Tue Nov 26, 2019 11:01 pm https://lczero.org/networks/
49921 3 4fd54df8 3355.00 105274 20 256 2019-07-29 17:02:08 +00:00 3355
Thanks.
Why did you choose this net for test and why did you not choose other well-known net like 42850, T40B.4-160 or -260, 40.T8.610, etc? In the latter case we can make comparison more easily to earlier tests.
Sergio will either have had it recommended to him, or chosen it due to its high performance rating there.

Re: w49921 net

Posted: Wed Nov 27, 2019 12:48 am
by corres
Graham Banks wrote: Tue Nov 26, 2019 11:51 pm
corres wrote: Tue Nov 26, 2019 11:45 pm
Graham Banks wrote: Tue Nov 26, 2019 11:01 pm https://lczero.org/networks/
49921 3 4fd54df8 3355.00 105274 20 256 2019-07-29 17:02:08 +00:00 3355
Thanks.
Why did you choose this net for test and why did you not choose other well-known net like 42850, T40B.4-160 or -260, 40.T8.610, etc? In the latter case we can make comparison more easily to earlier tests.
Sergio will either have had it recommended to him, or chosen it due to its high performance rating there.
Really, performance and behavior of 49921 is rather similar to 42850 and 42872.
Thanks for the answers.

Re: w49921 net

Posted: Wed Nov 27, 2019 1:21 am
by dkappe
Some people say it’s 10-20 elo weaker than 42850, some say it’s about even. I can find tests in the leela chess discord on both sides of this issue. In most cases, various late t40 nets and t40 derived nets are within a few points of each other.

Re: w49921 net

Posted: Wed Nov 27, 2019 3:39 am
by shrapnel
corres wrote: Tue Nov 26, 2019 11:45 pmWhy did you choose this net for test and why did you not choose other well-known net like 42850, T40B.4-160 or -260, 40.T8.610, etc? In the latter case we can make comparison more easily to earlier tests.
Hey Corres, I was going to tell you about this NN. Its something like 42850 but much stronger.
Do your Testing with it.

Re: w49921 net

Posted: Wed Nov 27, 2019 3:43 am
by Nay Lin Tun
Modern Times wrote: Tue Nov 26, 2019 11:02 pm it is just one of hundreds of Lc0 nets. You'll find it here.

http://lczero.org/networks/
One of the weakest net in T40. (Among full trained net).

None of Leela user use it for analysis.