Discussion of anything and everything relating to chess playing software and machines.
Moderators: hgm, Harvey Williamson, bob
Forum rules
This textbox is used to restore diagrams posted with the [d] tag before the upgrade.
-
sandermvdb
- Posts: 122
- Joined: Sat Jan 28, 2017 12:29 pm
- Location: The Netherlands
Post
by sandermvdb » Tue Jan 09, 2018 12:18 pm
These are versions 1.0 till 1.7.
Quite interesting if you ask me

-
Guenther
- Posts: 2259
- Joined: Wed Oct 01, 2008 4:33 am
- Location: Regensburg, Germany
-
Contact:
Post
by Guenther » Tue Jan 09, 2018 12:50 pm
How did you calculate the eval error (or against what)?
Guenther
-
sandermvdb
- Posts: 122
- Joined: Sat Jan 28, 2017 12:29 pm
- Location: The Netherlands
Post
by sandermvdb » Tue Jan 09, 2018 1:27 pm
Guenther wrote:How did you calculate the eval error (or against what)?
Using a quiet testset with 725.000 positions with known outcome of the match.
-
sandermvdb
- Posts: 122
- Joined: Sat Jan 28, 2017 12:29 pm
- Location: The Netherlands
Post
by sandermvdb » Tue Jan 09, 2018 1:48 pm
Btw, the eval error is calculated using the formula that is described on the following page:
https://chessprogramming.wikispaces.com ... ing+Method
The depth and nps are measured when analyzing a middlegame position for 1 minute:
2b5/1p3k2/7R/4p1rP/1qpnR3/8/P4PP1/3Q2K1 w - - 0 47