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 Crafty Play By Elo ( Crafty v25.3)

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PostSubject: Crafty Play By Elo ( Crafty v25.3)    Tue Jan 24, 2017 7:36 pm

Micheal B Wrote :  

The Crafty team is pleased to announce the release of Crafty 25.3 with the addition of a Play of ELO feature - this is strictly a chess players version as there are no other changes to the code. You may also download the Crafty Chess Informant opening books, based on the games published over the last 50 years by Chess Informant. Just include them in the directory where you place the Crafty exe and crafty wil access them automatically.

Source, macOS exe's and opening books are here:

https://github.com/MichaelB7/Crafty/releases/tag/25.3

To play by ELO insert into the crafty.rc file:
Code:
elo="rating" where rating is any number between 800 and 2600.

A non busy "sleep" for the appropriate time for the time control selected is enabled by default so it will not play instantaneously. Selecting a rating below 1200 enables skill level which will slowly degrade the skill level the more one selects a rating below 1200. A rating between 1200 and 2600 uses Crafty full evaluation function with no deliberate evaluation weakening, it simply reduces the number of nodes searched. Every increase of 100 ELO points will double the number of nodes searched on average. There is also built-randomization factor that varies the number of nodes on any given move to increase variability in play.
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