Search found 227 matches

by WinPooh
Sat Jul 24, 2021 1:32 am
Forum: Computer Chess Club: General Topics
Topic: Does anyone have a list of chess engines with Personality options?
Replies: 13
Views: 1817

Re: Does anyone have a list of chess engines with Personality options?

Greko 2015 ML has 8 parameters that can configure various personalities as attacks, defense, positional etc... For more detail see French site: https://echecs-et-informatique.franceserv.com/blog/index.php Best regards Thanks. I will check that out. What is the "ML" in the name mean? This was the fi...
by WinPooh
Thu Jul 01, 2021 10:13 am
Forum: Computer Chess Club: General Topics
Topic: New engine releases & news 2021
Replies: 529
Views: 192062

Re: New engine releases & news 2021

Also tried it in Infinity GUI and it showed no Threads param... is nothing surprising as always when it comes to that GUI... Never tested with this GUI. In Arena, Winboard/XBoard and Cutechess-Cli it works OK. Yes, currently only 4 threads are supported. Number of nodes is reported only for the mai...
by WinPooh
Wed Jun 30, 2021 8:23 pm
Forum: Computer Chess Club: General Topics
Topic: New engine releases & news 2021
Replies: 529
Views: 192062

Re: New engine releases & news 2021

Thanks for the new Greko Vladimir. Unfortunately I don't see any Threads option in Greko params. There is only a Hash option... :) Are you sure it is supporting MP ? Do you see "Threads" option in reply to "uci" command in console mode? It should look like this: GreKo 2021.06 MP (30-June-2021) Whit...
by WinPooh
Wed Jun 30, 2021 12:56 pm
Forum: Computer Chess Club: General Topics
Topic: New engine releases & news 2021
Replies: 529
Views: 192062

Re: New engine releases & news 2021

GreKo 2021.06 MP - multithreaded version:
http://greko.su/greko-2021.06.MP.zip
by WinPooh
Thu Jun 03, 2021 9:39 am
Forum: Computer Chess Club: General Topics
Topic: New engine releases & news 2021
Replies: 529
Views: 192062

Re: New engine releases & news 2021

GreKo 2021.06
http://greko.su/greko-2021.06.zip

- speed and stability improvements
- newer compiler
- reimplemented easy levels
by WinPooh
Sat May 15, 2021 1:19 pm
Forum: Computer Chess Club: General Topics
Topic: New engine releases & news 2021
Replies: 529
Views: 192062

Re: New engine releases & news 2021

GreKo 2021.05
http://greko.su/greko-2021.05.zip
+20...+50 Elo stronger in comparison with 2020.03, better in long time controls.
by WinPooh
Wed Apr 14, 2021 12:25 pm
Forum: Computer Chess Club: General Topics
Topic: New engine releases & news 2021
Replies: 529
Views: 192062

Re: New engine releases & news 2021

GreKo PSQ 1.1 - experimental version with piece/square only evaluation:
http://greko.su/greko-psq-1.1.zip
by WinPooh
Fri Jan 15, 2021 11:02 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Training positions from gm2600 pgn
Replies: 11
Views: 4221

Re: Training positions from gm2600 pgn

Hello Vladimir, Amazing! Let me know if you need some help in testing or the training for GreKo. I am renting 32 threads AMD EPYC hardware for Igel training/dev work, so I can always spare resources for Igel's father :) Thank you for this kind offering! Currently I rebuild evaluation, trying to fig...
by WinPooh
Thu Jan 14, 2021 7:18 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Training positions from gm2600 pgn
Replies: 11
Views: 4221

Re: Training positions from gm2600 pgn

Vladimir, I was wondering for quite a bit of time regarding this non-related question - Igel chess engine It's author said that it's a GreKo's derivative. It seems like Igel is 600+ Elo points stronger. I can't see another way to get 600+ Elo points other that copypaste stockfish NNUE, but I guess ...
by WinPooh
Thu Jan 14, 2021 6:59 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Training positions from gm2600 pgn
Replies: 11
Views: 4221

Re: Training positions from gm2600 pgn

How long does it take to evaluate million of positions in GreKo's errSq() routine? (mean square error calculator) Below is output of learning on file with 1 million positions: GreKo 210108 (08-Jan-2021) White(1): learn CCRL_1000_K Algorithm: stochastic gradient descent Parameters: 204 Initial value...