Kaissa (BY)

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Kaissa, (Kaissa2) a WinBoard compliant chess engine by Vladimir Yelin, namesake of the first World Computer Chess Champion, the famous Kaissa, and at times considered Crafty clone. Sergei S. Markoff mentioned Vladimir Yelin also using ideas by Mikhail Botvinnik to determine objects for attack end defence . In 2004, Kaissa2 evolved to Patriot to become a commercial Arena engine. In May 2005, the new Patriot 2.0 turned out to be a Fruit/Toga clone , when later investigations revealed the previously assumed innocent Patriot 1 aka later Kaissa versions were based on Crafty with many changes. Investigator Alexander Schmidt stated that later versions of Kaissa released after the Patriot disaster still have Crafty traces inside .

=Namesake=
 * Kaissa

=See also=
 * Patriot

=Forum Posts=

2002 ...

 * New engine!!! by Vladimir Yelin, WinBoard Forum, September 08, 2002
 * about Botvinnik theory... by Vladimir Yelin, WinBoard Forum, June 30, 2003
 * about Kaissa by Vladimir Yelin, WinBoard Forum, October 26, 2003
 * WB engine of the year: - Kaissa - no doubt by Andreas Herrmann, WinBoard Forum, December 19, 2003
 * Stars of 2004 Tournament : Kaissa 1.7 and SmarThink 0.17a ! by Sedat Canbaz, CCC, February 06, 2004 » SmarThink
 * Re: Stars of 2004 Tournament : Kaissa 1.7 and SmarThink 0.17a ! by Sergei S. Markoff, CCC, February 06, 2004

2005 ...

 * Re: Clone engine list by Matthias Gemuh, WinBoard Forum, April 17, 2007
 * Re: Clone engine list - Patriot by hirdelgird, WinBoard Forum, April 19, 2007


 * And the Ippolit author is... by Alexander Schmidt, CCC, October 22, 2009 » Ippolit
 * Re: And the Ippolit author is... by Alexander Schmidt, CCC, October 23, 2009

2010 ...

 * Re: Crafty UCI version by Matthias Gemuh, CCC, July 10, 2015
 * Re: Crafty UCI version by Frank Quisinsky, CCC, July 10, 2015

=External Links=
 * Download engines from sdchess.ru
 * Clone Engine List from Ron Murawski's Computer-Chess Wiki

=References= Up one level