GNU Chess 5.60

Discussion of anything and everything relating to chess playing software and machines.

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Jim Ablett
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Full name: Jim Ablett

Re: GNU Chess 5.60

Post by Jim Ablett »

ydebilloez wrote: ↑Thu May 28, 2026 3:40 pm I see that in the CCRL rating lists, GNU chess 5.60 is the only one present. Meanwhile, in 2026, the latest version is 6.3.0. In the official download page, (https://ftp.gnu.org/gnu/chess/), 5.60 is not present.
The main point is the inclusion of a .eng file
My question is, what is the relation in between the latest 5.x release from the official download list (5.08) and 5.60. Is 5.60 still referential to GNU chess? Secondly, what is the difference in strength in between the different versions: 5.08, 5.60 and 6.3.0?

For the 6.x series, I found more information here https://grokipedia.com/page/GNU_Chess
6x versions replaced Stanback codebase with Letouzey codebase :)

Jim.
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towforce
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Full name: Graham Laight

Re: GNU Chess 5.60

Post by towforce »

ydebilloez wrote: ↑Thu May 28, 2026 3:40 pmFor the 6.x series, I found more information here https://grokipedia.com/page/GNU_Chess
Wow - when did Grokipedia get to be this good? When it was launched, it was nowhere near this standard. It still doesn't have images, but the quality of the articles is incomparably better.
Human chess is partly about tactics and strategy, but mostly about memory
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