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- Cheese version 1.7
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Author   : Patrice DUHAMEL (cheesechess@free.fr)

Web site : cheesechess.free.fr/index_en.html

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Fichiers
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Windows : 

  cheese-17-win-64-pop.exe   : 64 bits version using a cpu instruction for bitcount (the fastest version)
  cheese-17-win-64.exe       : 64 bits version for cpu without the bitcount instruction
  cheese-17-win-32.exe       : 32 bits version

  cheese-17-winxp-64-pop.exe : Windows XP 64 bits version using a cpu instruction for bitcount (the fastest version)
  cheese-17-winxp-64.exe     : Windows XP 64 bits version for cpu without the bitcount instruction
  cheese-17-winxp-32.exe     : Windows XP 32 bits version

Linux : 

  cheese-17-linux-64-pop     : 64 bits version using a cpu instruction for bitcount (the fastest version)
  cheese-17-linux-64         : 64 bits version for cpu without the bitcount instruction
  cheese-17-linux-32         : 32 bits version

Mac OS X :

  cheese-17-mac-64-pop	   : version 64 bits using a cpu instruction for bitcount (the fastest version)
  cheese-17-mac-64	   : version 64 bits for cpu without the bitcount instruction

Android :

  cheese-17-arm-32	   : version 32 bits armv7

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Installation
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* Arena Chess

  - Unzip all files in a folder
    
  - Launch Arena Chess

  - In "Engines" Menu, choose "Install New Engine"

  - Choose UCI or Xboard (the engine works in both modes)

  - Choose Cheese executable in the folder it was installed

  - To configure Cheese, choose the option Configure in the Engines menu


* Xboard / Winboard

  - Unzip all files in a folder

  - Launche Winboard and choose "Load First Engine" in the "Engine" menu

  - Enter the path of the engine where it was installed

  - to configure Cheese, edit the file cheese.ini
   

* Android

  - Use an application that accept UCI/Xboard modules, for exemple Chess for Android or Droid Fish.


* Parameters

  The file cheese.ini let you choose some parameters in Xboard version :

  Hash = size of the Hash table in Mb (ex: 8, 16, 32 ,64, 128, 256)

  Book = 1 or 0 , 1 = use an opening book, compatible with Cheese (cheese use his own file format)
			
  BookFile = path to the opening book file

  UseStrength = 0 or 1, 1 = use the StrengthELO parameter to reduce ELO strength of the engine

  StrengthELO = value between 1000 and 2600, corresponding to the ELO level of the engine


* Command line

  -help

    show available options 

  -testsuite file_name
  
    run analysis of a EPD file 

  -perft depth

    search number of nodes from the current position, to the selected depth 

  -perft depth -fen "position"

    search number of nodes from the selected FEN position, to the selected depth 

  -perftd depth
  -perftd depth -fen "position"

    same as perft but with number of captures, en passant, promotions, castle, checks, and mates

  -divide depth

    search number of nodes for each possible moves from the current position, 
    to the selected depth 

  -divide depth -fen "position"

    search number of nodes for each possible moves from the selected FEN position, 
    to the selected depth 

  -buildbook file.pgn file.bin depth number

    Create a new opening book from a PGN file.
    the depth is the maximum number of moves in the opening, number is the minimum number of moves 
    for the opening to be used.


* Opening books

  Cheese can use an opening book in his own format.

  The book cheeseopenbook.bin was created from gm2600.pgn, with a depth of
  10 half-moves, for openings used a minimum of 5 times.
  
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Changes in version 1.7
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    * Version 1.7 - April 4th 2015

	- Fix problem with checks evasion in quiescence search
	- Fix problems in multipv
	- Fix problem in iterative deepening
	- Changed futility pruning margins
	- Add razoring
	- Use 4 buckets in main hashtable
	- Use a KPK endgame table
	- Changes root moves ordering
	- Removed mate threat extension
	- Add a pawn hashtable (2 Mb)
	- now PSQT are not incremental
	- Add UCI_Strength option
	- Increase Lazy evaluation margin
	- Optimizations
	- Release Android (armv7) version


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Thanks
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Thanks to Grant Osborne, Robert M. Hyatt, Bruce Morland, Jonatan Peterson,
Gerd Isenberg, Pradu Kannan,
And all people on Winboard and TalkChess forums.

And thanks to all people testing or reporting problems.


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License
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Copyright 2006-2015 DUHAMEL Patrice.
This program is freely distributed, and must not be sold or distributed
without the author authorisation.

