Rodent 0.11

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PK
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Rodent 0.11

Post by PK » Thu Feb 16, 2012 12:17 am

www.koziol.home.pl/rodent_0.11.zip

- two-tier aspiration window
- tuning of some eval parameters
- small part of history value (used for move sorting) is carried over from previous search
- bigfix of move generation cache

enjoy!

PK
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Re: Rodent 0.11

Post by PK » Sat Feb 18, 2012 11:28 am

I have set up a rudimentary web site for Rodent:

http://www.koziol.home.pl/rodent.htm

Contributors section will be added soon. So far I obtained some very useful compiler listings from Lucas Braesch (which helped to find a serious bug in version 0.10) and a patch from Dann Corbit, making use of 64-bit intrinsics. There are also some 64-bit compiles to download.

Pablo Vazquez
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Re: Rodent 0.11

Post by Pablo Vazquez » Sat Feb 18, 2012 2:39 pm

Good job Pawel, keep it up.

noctiferus
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Re: Rodent 0.11

Post by noctiferus » Sat Feb 18, 2012 2:49 pm

Great: is Denis still around? Lot of time I didn't hear from him (since Toga developers forum :( )

Adam Hair
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Re: Rodent 0.11

Post by Adam Hair » Sat Feb 18, 2012 4:00 pm

noctiferus wrote:Great: is Denis still around? Lot of time I didn't hear from him (since Toga developers forum :( )
He is still around. He is dealing with a health issue at the moment and is not able to participate as much in the forums as he would like to, for now.

noctiferus
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Re: Rodent 0.11

Post by noctiferus » Sat Feb 18, 2012 5:01 pm

Thx, Adam. If you are in touch with him, please give him my best wishes for his health.

Adam Hair
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Re: Rodent 0.11

Post by Adam Hair » Sat Feb 18, 2012 5:45 pm

I will be pleased to do that for you, Enrico.

noctiferus
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Re: Rodent 0.11

Post by noctiferus » Sat Feb 18, 2012 5:47 pm

Thx, Adam.

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lucasart
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Re: Rodent 0.11

Post by lucasart » Tue Feb 21, 2012 1:45 pm

hello pawel,

thanks for this new rodent release. a great contribution to open source chess!

i'm currently running it in my private rating list. results will be available soon in the tournament forum. Check my posts called "Open Source Blitz"

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Denis P. Mendoza
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Re: Rodent 0.11

Post by Denis P. Mendoza » Wed Feb 22, 2012 7:36 am

So that's why Adam sent me a note! Thanks Enrico.

I'm not fully charged yet, but still could spare time for the hobby.

I asked Pawel if I could sample a 64-bit as it was a bitboard engine. I didn't know Dann was at it too, but good to know that somebody noticed.

It's a blessing too as I was forced to fix my old pc to make another set of builds for AMD hardware. I think Pawel only included the ICC builds as I sent the second set a bit late after fixing my other pc.

I uploaded it in our forum.
http://kirill-kryukov.com/chess/discuss ... 2af7decf43
My archive link is sponsored by Kirill Kryukov!

Check-out my crappy logos :wink: ! Next could be a polyglot book.

Here's my running gauntlet:

Code: Select all

Rodent-0.11-64-bit-gauntlet

Rank	Engine	Score	Ro
01	Rodent 0.11 64-bit 	94.5/160	· ·· ··	
02	N2 0.4 64-bit 	8.5/13	7-3-3	
02	GarboChess 2.20 64-bit	8.5/13	7-3-3	
04	Pseudo 0.7c 	8.0/13	6-3-4	
05	Aristarch 4.50 	6.5/14	6-7-1	
06	SOS 5.1 	5.5/13	4-6-3	
07	Rodin 4.0 	5.5/13	3-5-5	
08	Tao 5.6 	5.0/13	3-6-4	
09	Delphil 2.7 	5.0/14	2-6-6	
10	Philou 3.70 64-bit 	4.5/13	2-6-5	
11	Ufim 8.02 	3.0/13	1-8-4	
11	Abrok 5.0 	3.0/14	0-8-6	
13	Gaia 3.5 64-bit 	2.5/14	2-11-1	

It's a nice improvement even from version 0.10. I'll add some new opponents for the gap-filling in our list.


Denis

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