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Fafis,
a Chess Engine Communication Protocol compatible chess engine by Rafael Peña. First versions were written in C#, requiring the .NET Framework of Microsoft Windows, since Version 1.0 written in C/C++ without managed extensions [1]. In February 2005, Fafis played the CCT7 but dropped out early after a dead draw position versus Crafty, which Rafael assumed agreed as draw, was lost on time [2]. Fafis 2.0 was infected by a computer worm [3], and was compressed, encrypted and obfuscated [4], as well as subsequent "clean" versions. The Arena support team around Christopher Conkie, Michael Diosi and Alexander Schmidt did some investigations and found Fafis 2.1 had many suspicious similarities with Crafty [5]. Despite the author's denial Fafis is a clone, and his promises to open the source for inspection, which failed to produce the suspected executable [6], Fafis was convicted a clone of Crafty [7].

Forum Posts


External Links


References

  1. ^ New fafis 1.0, now written in c/c++ without the frameworks!! by Rafael Peña, Winboard Forum, April 09, 2004
  2. ^ Fafis out of CCT7 by Rafael Peña, CCC, February 12, 2005
  3. ^ Fafis and the virus by Michael Diosi, CCC, May 23, 2005
  4. ^ Re: Fafis and the virus by Fabien Letouzey, CCC, May 24, 2005
  5. ^ About Fafis... by Alexander Schmidt, CCC, May 27, 2005
  6. ^ Re: Fafis 2.6 by Günther Simon, CCC, January 17, 2006
  7. ^ Clone Engine List from Ron Murawski's Computer-Chess Wiki

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