Cheese 1.6

Patrice Duhamel · Post by **Patrice Duhamel** » Sat May 10, 2014 8:43 am

Cheese 1.6 is available :

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

Changes :
- New evaluation function
- Improved pawns evaluation
- Improved king safety evaluation
- Use mobility tables
- Add endgames detection
- Improved time management
- Change aspiration window method
- Fixed problem in PV installation
- Fixed problem in 50 moves rule
- Fixed promotion output in PV for UCI/Winboard
- add UCI multipv option
- UCI : send info depth before searching
- Optimizations

I released a Mac OS X version, thanks to Julien Marcel for his advices on Mac compilation.

It was compiled on a Mac Mini with OS X 10.5.8, using clang 4.2.1,
but I need someone to confirm it works on another Mac computer.

Graham Banks · Post by **Graham Banks** » Sat May 10, 2014 8:59 am

Thanks Patrice.

shrapnel · Post by **shrapnel** » Sat May 10, 2014 9:24 am

Patrice Duhamel wrote:Cheese 1.6 is available :
but I need someone to confirm it works on another Mac computer.

Mac Cheeseburger heh heh.
I'm guessing you have a great fondness for cheese ?

Patrice Duhamel · Post by **Patrice Duhamel** » Sat May 10, 2014 9:49 am

No I don't really have a fondness for cheese, I choose this name because in France we are more known for our cheeses than our chess players.

Max · Post by **Max** » Sat May 10, 2014 11:16 am

Thanks Patrice for the Mac support!

Patrice Duhamel wrote:Cheese 1.6 is available :
...
but I need someone to confirm it works on another Mac computer.

Your engines run well on my Mac with OSX 10.9. The pop version is about 5% faster here. Maybe with macports gcc 4.7 or 4.8 you could speed up both compiles a bit.

-Max

Patrice Duhamel · Post by **Patrice Duhamel** » Sat May 10, 2014 3:13 pm

Thanks for testing.

I tried to install a more recent version of gcc using macports, but it was not able to install it, I don't remember the error message.

Patrice Duhamel · Post by **Patrice Duhamel** » Sat May 31, 2014 9:02 am

I released a new version, Cheese 1.6.1 :

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

Changes :

- Fixed problem in pondering on Linux / Mac OS X, now use unbuffered stdin
- Fixed problems when pondering was canceled
- Fixed "level" command for Xboard, now use floats for increment
- Fixed : uci command "info depth" was sent in Xboard mode

This version only fix few problems with pondering on Linux / Mac OS X, and with Xboard protocol.
It doesn't change the strength of the engine.

SzG · Post by **SzG** » Sat May 31, 2014 12:56 pm

Patrice Duhamel wrote:I released a new version, Cheese 1.6.1 :

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

Changes :

- Fixed problem in pondering on Linux / Mac OS X, now use unbuffered stdin
- Fixed problems when pondering was canceled
- Fixed "level" command for Xboard, now use floats for increment
- Fixed : uci command "info depth" was sent in Xboard mode

This version only fix few problems with pondering on Linux / Mac OS X, and with Xboard protocol.
It doesn't change the strength of the engine.

Thanks for the update, Patrice. It seems the fixes are important for me as I run Cheese both in UCI and WB mode.

Jamal Bubker · Post by **Jamal Bubker** » Sat May 31, 2014 8:22 pm

Merci Patrice pour la sortie de la nouvelle mouture de Cheese !

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