Wilhelm, a chess program by Rafael B. Andrist with an own GUI running under Windows with focus on endgame research. The chess engine is witten in C with some small x86 Assembly routines, the GUI written in Visual Basic [1]. Wilhelm knows about co-ordinate squares in pawn endgames with completly blocked pawns, and solves the Lasker-Reichhelm Position (Fine #70) instantly [2]. It supports 5 and 6 men Nalimov Tablebases and features special EGTB analysis modes [3]. Wilhelm was used to model fallible endgame play [4] as elaborated by its author and Guy Haworth. Experiments agree well with a Markov Model theory [5].
Wilhelm Steinitz [6]

Screen Shot

Wilhelm GUI [7]

See also

• Chess legends
• Given Name
• Steinitz

Publications

• Guy Haworth (2003). Reference Fallible Endgame Play. ICGA Journal, Vol. 26, No. 2
• Guy Haworth, Rafael B. Andrist (2003). Model Endgame Analysis. Advances in Computer Games 10
• Rafael B. Andrist, Guy Haworth (2005). Deeper model endgame analysis. Theoretical Computer Science, Vol. 349, No. 2

Forum Posts

• chess program "Wilhelm" released by Rafael B. Andrist, CCC, August 19, 2001
• Program "Wilhelm" updated by Rafael B. Andrist, CCC, November 11, 2001
• Wilhelm 1.43 available - support of new EGTB format by Rafael B. Andrist, CCC, February 10, 2003
• new "Wilhelm", access to 42p EGTB by Rafael B. Andrist, CCC, September 30, 2003
• Bug/glitch in Nalimov Code (and in Wilhelm)? by Dieter Bürssner, CCC, May 09, 2004
• WILHELM is the testing tool ... by Guy Haworth, CCC, July 23, 2004
• Re: Freezer vs. Wilhelm by Eiko Bleicher, CCC, May 18, 2005 » Freezer
• Wilhelm update by Rafael B. Andrist, CCRL Discussion Board, August 23, 2006
• Wilhelm 1.50 in action by Ruxy Sylwyka, CCC, March 20, 2012
• Wilhelm by silversurfer, Immortal Chess Forum, March 20, 2012

External Links

Chess Program

• Software for solving chess problems / puzzles / endgame studies from Ron Murawski's Computer-Chess Wiki (Wilhelm download)

Misc

• Wilhelm from Wikipedia
• Wilhelm (name) from Wikipedia
• Wilhelm Steinitz from Wikipedia
• A Wilhelm Scream - The King is Dead (2005), YouTube Video
  

References

1. ^ Wilhelm by silversurfer, Immortal Chess Forum, March 20, 2012
2. ^ Re: Fine 70 same 7 engines (more) by Rafael B. Andrist, CCC, September 10, 2001
3. ^ Wilhelm update by Rafael B. Andrist, CCRL Discussion Board, August 23, 2006
4. ^ Guy Haworth (2003). Reference Fallible Endgame Play. ICGA Journal, Vol. 26, No. 2
5. ^ Guy Haworth, Rafael B. Andrist (2003). Model Endgame Analysis. Advances in Computer Games 10
6. ^ Wilhelm Steinitz, Wikimedia Commons
7. ^ Wilhelm 1.50 in action by Ruxy Sylwyka, CCC, March 20, 2012

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