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computer_chess:engines:frank-walter:index [2018/11/25 22:10] – roncomputer_chess:engines:frank-walter:index [2019/02/24 17:33] (current) – ron
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 ====== Frank-Walter ====== ====== Frank-Walter ======
 +
 +**FrankWalter has moved!**
 +
 +Please visit the new **[[https://github.com/ljgw/frankwalter/releases | FrankWalter homepage]].**
 +
 +This page remains for historical reasons and may be removed in the future.
 +
 +---
  
 Frank-Walter is a java-based winboard/xboard chess engine written by Laurens Winkelhagen. Frank-Walter is a java-based winboard/xboard chess engine written by Laurens Winkelhagen.
 \\ \\
-Current version is Frank-Walter 2.2.1-cb40a84+Current version is Frank-Walter 2.2.8-e85fcb4
  
 ===== Download ===== ===== Download =====
  
-{{frankwalter-2.2.1-dist.zip | Frank-Walter 2.2.1}} 
-\\ 
-{{frankwalter-2.2.0-dist.zip | Frank-Walter 2.2.0}} 
  
 +{{frankwalter-2.2.8-dist.zip | Frank-Walter 2.2.8}}
 +\\
 +{{frankwalter-2.2.6-dist.zip | Frank-Walter 2.2.6}}
 +\\
 +{{frankwalter-2.2.3-dist.zip | Frank-Walter 2.2.3}}
 +\\
 +{{frankwalter-2.2.2-dist.zip | Frank-Walter 2.2.2}}
 +\\
 ===== Usage ===== ===== Usage =====
  
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   * ''%%-debug%%'' (no arguments, causes logging to be stored in a file called ''%%debug.log%%'' in the current working directory)    * ''%%-debug%%'' (no arguments, causes logging to be stored in a file called ''%%debug.log%%'' in the current working directory) 
-  * ''%%-tt <magnitude>%%'' (where ''%%<magnitude>%%'' is a number between 17 and 26 inclusive denoting 1MB up to 1GB memory allocation for the transposition table. The default is 24, which means 256MB)+  * ''%%-nobook%%'' (no arguments, tells the engine not to use its own book) 
 +  * ''%%-book <bookname>%%'' (''%%<bookname>%%'' should be the filename of an openingbook in Beowulf format, located next to the .jar file. The default is ''%%frankwalter.opening%%'' which is included in the engine itself) 
 +  * ''%%-tt <size>%%'' (where ''%%<size>%%'' is the size is the size of the TranspositionTable in mb or gb. Possible values are 1mb, 2mb, 4mb, 8mb, 16mb, 32mb, 64mb, 128mb, 256mb, 512mb, 1gb. The default is 256mb)
   * ''%%-tb <tablebases filepath>%%'' (here ''%%<tablebases filepath>%%'' is the Syzygy-tablebases directory. It is also possible to configure this in xboard)   * ''%%-tb <tablebases filepath>%%'' (here ''%%<tablebases filepath>%%'' is the Syzygy-tablebases directory. It is also possible to configure this in xboard)
  
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   * Principle Variation Search with aspiration window.   * Principle Variation Search with aspiration window.
   * Mostly Piece-Square value based evaluation (tuned using texels tuning method)   * Mostly Piece-Square value based evaluation (tuned using texels tuning method)
-  * Easy to understand opening-book format (Beowulf format)+  * Easy to understand opening-book format (Beowulf format: use your own by adding a frankwalter.openings file next to the .jar file)
   * Syzygy Tablebases support (dependant on platform: I have only compiled the native code for linux and windows)   * Syzygy Tablebases support (dependant on platform: I have only compiled the native code for linux and windows)
  

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