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an [[UCI]] compliant [[:Category:Open Source|open source chess engine]] of the [[Ippolit]] and [[RobboLito]] series of programs, first released in January 2010 and base of a lot of further derivatives. IvanHoe features a [[Parallel Search|SMP search]], [[Principal Variation|Multi-PV]], and [[Chess960]] <ref>[https://en.wikipedia.org/wiki/IPPOLIT IPPOLIT from Wikipedia]</ref>, and uses a decrementing [https://en.wikipedia.org/wiki/Versioning versioning] scheme. Authors are the pseudonymous Ippolit comrades, ''Yakov Petrovich Golyadkin'' <ref>[https://en.wikipedia.org/wiki/The_Double:_A_Petersburg_Poem The Double: A Petersburg Poem] a novella written by [https://en.wikipedia.org/wiki/Fyodor_Dostoevsky Fyodor Dostoyevsky]</ref>, ''Igor Igorovich Igoronov'', ''Roberto Pescatore'', ''Yusuf Ralf Weisskopf'', and ''Ivan Skavinsky Skavar'' <ref>[https://en.wikipedia.org/wiki/Abdul_Abulbul_Amir Abdul Abulbul Amir from Wikipedia]</ref>. [[Izak Pretorius]] alias ''PeterPan'' kept computer chess aficionados and testers busy with IvanHoe "compiles" <ref>[http://www.talkchess.com/forum/viewtopic.php?p=467491 Re: SCCT Rating List (25.05.2012)] by [[Izak Pretorius]], [[CCC]], June 01, 2012</ref>, and the release of the IvanHoe 46h derivative [[''PanChess]]''. [[Franklin Titus]] alias ''kingliveson'' <ref>[http://computer-chess.org/forum/index.php?mode=thread&id=1080 Computer-Chess Wiki Forum - Update Information: October 23, 2010]</ref> provides source and executables as well <ref>[http://chess.cygnitec.com/engine/ivanhoe/ Index of /engine/ivanhoe] by [[Franklin Titus|kingliveson]]</ref>.