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Cheese 2.2

Posted: Sat Sep 05, 2020 12:08 pm
by Patrice Duhamel
Cheese 2.2 is available :
http://cheesechess.free.fr/en/download.html

Code: Select all

	- fix invalid moves in pondering
	- fix FRC makemove problem introduced in version 2.1
	- fix UCI strength problem with UCI protocol
	- randomness is now only used in personality
	- don't count pruned nodes
	- change king PST
	- change LMP parameters
	- remove penality for no pawns in endgame
	- add counter moves
	- use futility pruning and razoring in endgame
	- reduce history for moves not improving the position
	- use a table for MVVLVA
	- optimizations

Code: Select all

Rank Name           Elo    +    - games score oppo. draws 
   1 Cheese-22-64    12    4    4 10000   54%   -12   47% 
   2 Cheese-21-64   -12    4    4 10000   46%    12   47% 
I changed parameters for engine strength reduction, but I was not able to tune it as I want.
It's reducing the speed by default but there is an option in cheese.ini to reduce searched nodes.

I will probably not release a new version before modernizing my code (C++11, and more).

Re: Cheese 2.2

Posted: Sat Sep 05, 2020 2:34 pm
by Gabor Szots
Thank you Patrice. Also, looking forward to the refreshed Cheese.

Re: Cheese 2.2

Posted: Sat Sep 05, 2020 3:29 pm
by Scally
Hi Patrice,

Do you plan to provide arm7 binaries like for previous versions?


Thanks,

Al.

Re: Cheese 2.2

Posted: Sat Sep 05, 2020 4:06 pm
by Patrice Duhamel
Scally wrote:
Sat Sep 05, 2020 3:29 pm
Do you plan to provide arm7 binaries like for previous versions?
Yes, on the download page you have Android versions for armv7 and armv8, and Raspberry pi versions.

http://cheesechess.free.fr/en/download.html

Re: Cheese 2.2

Posted: Sat Sep 05, 2020 7:52 pm
by Scally
Hi Patrice,

Oops, I downloaded the Windows section, my error ....


Thanks,

Al.

Re: Cheese 2.2

Posted: Sat Sep 05, 2020 8:57 pm
by JohnW
When I try to go to the webpage BitDefender throws up this error:

Dangerous page blocked for your protection
http://cheesechess.free.fr/
Dangerous pages attempt to install software that can harm the device, gather personal information or operate without your consent.

Re: Cheese 2.2

Posted: Sun Sep 06, 2020 9:16 am
by Patrice Duhamel
I think this is because it's not https, but there is no problem the website is plain html (no javascript, or forms).

Or maybe a false positive on engine binaries, I have no problems with Avast.

Re: Cheese 2.2

Posted: Sun Sep 06, 2020 11:30 am
by JohnW
Thanks. I chose to ignore what Bitdefender was saying and downloaded it anyway. Then I scanned the *.exe and it didn't find anything.
I should have known, Bitdefender is always throwing up red flags or putting chess engine *.exes into quarantine as soon as I try to use them.