Search found 215 matches

by WinPooh
Wed Jan 31, 2018 4:21 pm
Forum: Computer Chess Club: General Topics
Topic: GreKo 2018.01
Replies: 15
Views: 4596

Re: GreKo 2018.01

CMCanavessi wrote:Thanx Vlad! Any estimate of how stronger it is compared to 2017?
I hope at least 10-20 points. But I did not test it on long time controls.
by WinPooh
Wed Jan 31, 2018 3:47 pm
Forum: Computer Chess Club: General Topics
Topic: GreKo 2018.01
Replies: 15
Views: 4596

GreKo 2018.01

http://greko.su/greko-2018.01.zip GreKo 2018.01 ------------- 31-Jan-2018 (fix) * Hashtable fix: do not record score returned from unfinished iteration. (chg) * Evaluation terms for passed pawns modified. (chg) * Time management formula modified. Better for very short time controls. (old) * Variable...
by WinPooh
Sat Jan 13, 2018 3:06 pm
Forum: Computer Chess Club: General Topics
Topic: Whatever happened to Houdini for Android?
Replies: 8
Views: 3306

Re: Whatever happened to Houdini for Android?

The only influence of Kaissa to GreKo is via the book published in USSR in 1984, which I borrowed some ideas from. Also, IM Alexander Bitman, one of Kaissa's authors, helped a bit in testing GreKo on early stages of development. No direct influence of source code. In my to-do list there is a plan to...
by WinPooh
Fri Jan 12, 2018 11:18 am
Forum: Computer Chess Club: General Topics
Topic: Whatever happened to Houdini for Android?
Replies: 8
Views: 3306

Re: Whatever happened to Houdini for Android?

mephisto wrote:One Android App that I have only found recently which I enjoy playing against is Metal Chess that contains the Greko 12.9 engine.
Details found here, http://www.dogb.esy.es/en/Metal-Chess/
Thank you, nice to read you like GreKo. BTW, I did not know about this app. Authors never contacted me :)
by WinPooh
Mon Jan 08, 2018 3:09 pm
Forum: Computer Chess Club: General Topics
Topic: GreKo 2017, fixed
Replies: 3
Views: 1236

GreKo 2017, fixed

http://greko.su/greko-2017.zip ATTENTION! If you have downloaded previous release on 31-Dec-2017, please replace it with this one, dated 08-Jan-2018. Serious bug in time management was fixed. GreKo 2017 ----------- 08-Jan-2018 *** HAPPY NEW YEAR!!! *** (new) * Rewritten almost from scratch. Code cle...
by WinPooh
Mon Feb 13, 2017 1:52 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Checkers Is Strongly-Solved for 8-pieces
Replies: 98
Views: 34720

Re: Checkers Is Strongly-Solved for 8-pieces

If I recall correctly, Chinook could only play perfectly from the initial position. In other words, it stores main PV and all refutations for non-PV moves from his opponent. This requires much less storage than complete game tree.
by WinPooh
Tue Jan 17, 2017 9:38 am
Forum: Computer Chess Club: General Topics
Topic: GreKo 2016 released!
Replies: 10
Views: 3291

Re: GreKo 2016 released!

Could you please provide the whole PGN as a plain text?
My browser (Firefox 45.6.0) shows nothing but initial position on the board.
by WinPooh
Tue Jul 12, 2016 10:47 am
Forum: Computer Chess Club: General Topics
Topic: GreKo 2015 ML
Replies: 4
Views: 1252

Re: GreKo 2015 ML

During games learning is off, this is a tool for auto-tuning evaluation weights. It is always initiated manually by user.
by WinPooh
Tue Jul 12, 2016 10:01 am
Forum: Computer Chess Club: General Topics
Topic: GreKo 2015 ML
Replies: 4
Views: 1252

GreKo 2015 ML

I have added elements of machine learning to GreKo.
New version is available:
http://greko.su/greko-2015-ml.zip

This is GreKo 2015 with tuned evaluation weights and built-in "learn" command.
See details in history.txt.