Discussion of anything and everything relating to chess playing software and machines.
Moderator: Ras
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sandermvdb
- Posts: 160
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by sandermvdb »
These are versions 1.0 till 1.7.
Quite interesting if you ask me

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Guenther
- Posts: 4718
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- Full name: Guenther Simon
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by Guenther »
How did you calculate the eval error (or against what)?
Guenther
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sandermvdb
- Posts: 160
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- Location: The Netherlands
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by sandermvdb »
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.
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sandermvdb
- Posts: 160
- Joined: Sat Jan 28, 2017 1:29 pm
- Location: The Netherlands
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by sandermvdb »
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