GreKo 6.5

[Vladimir Medvedev]

http://greko.webservis.ru

Version 6.5
-----------
01-June-2009

(new) * Fixed nodes mode, under UCI and WB.
(new) * Evaluation weights now can be set with UCI 'setoption' command.
(chg) * Removed not used bitboard masks.
(chg) * Time allocation algorithm changed.
(chg) * Command parser reorganized.
(chg) * Removed many terms in eval. Modified some other. Added TEMPO term.
(chg) * Futility conditions changed.
(chg) * Delta pruning conditions changed.
(chg) * Nodes counters changed to int64.
(chg) * Overall code cleanup and reformatting.
(chg) * Makefile simplified.

[Vladimir Medvedev]

Testing shows that this version is stronger at long time controls.
Here are first results in 10+1 games. Yes, I know - they are statistically irrelevant

Code: Select all

   Engine       Score      Gr     Ph    S-B
1: GreKo 6.5    5.0/6  ······ 111011    5.00
2: Phalanx XXII 1.0/6  000100 ······    5.00

   Engine      Score      Gr     Qu    S-B
1: GreKo 6.5   4.5/6  ······ =11101    6.75
2: Queen 4.02a 1.5/6  =00010 ······    6.75

   Engine     Score    Gr   Tr    S-B
1: GreKo 6.5  3.5/4  ···· =111    1.75
2: Trace 1.36 0.5/4  =000 ····    1.75

[Dann Corbit]

Here is a 64 bit Microsoft VC++ build (with profile guided optimization):
http://cap.connx.com/chess-engines/new- ... it.exe.bz2

[Dr.Wael Deeb]

Here is a 64 bit Microsoft VC++ build (with profile guided optimization):
http://cap.connx.com/chess-engines/new- ... it.exe.bz2

This file seems to be broken,or the link doesn't work probably?
Dr.D

[Dann Corbit]

Can someone else verify?
It seems to work for me, but that is not always a good test.

[Olivier Deville]

Can someone else verify?
It seems to work for me, but that is not always a good test.

Hi Dann

I was able to download and run the exe.

Olivier

[Dr.Wael Deeb]

Can someone else verify?
It seems to work for me, but that is not always a good test.

Hi Dann,
When I try to extract the .exe file,it gives me ? size and won't let me continue....
I use Power Archiver 2007....
Dr.D

[Dann Corbit]

timestamp: size file
--------------------------- ---------- ---------------------------
06/02/2009 11:00 AM 114,166 greko65-64bit.exe.bz2

If you continue to have problems drop me an email and I will send you a copy via email.

[Dr.Wael Deeb]

timestamp: size file
--------------------------- ---------- ---------------------------
06/02/2009 11:00 AM 114,166 greko65-64bit.exe.bz2

If you continue to have problems drop me an email and I will send you a copy via email.

Thanks Dann,I'll try again and will drop you an e-mail if the problem persists....
Dr.D