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an American [https://en.wikipedia.org/wiki/Actuary actuary] at [https://en.wikipedia.org/wiki/New_York_Life_Insurance_Company New York Life Insurance Company] <ref>[https://www.linkedin.com/pub/youri-matiounine/5/67/704 Youri Matiounine | LinkedIn]</ref>. As computer games programmer, Youri Matiounine is author of the [[Othello]] bot ''Ymatioun'' <ref>[https://en.wikipedia.org/wiki/Computer_Othello#List_of_Top_Othello.2F_Reversi_Programs List of Top Othello/ Reversi Programs - Wikipedia]</ref>, open source under the [[Free Software Foundation#GPL|GNU GPL v3]] <ref>[https://code.google.com/p/ymatioun/ ymatioun - code of YMATIOUN Othello bot - Google Project Hosting]</ref>, written in [[Cpp|C++]] using [[AVX2]] intrinsics and some [[x86-64]] [[Assembly|assembly]] with AVX2 instructions, and the closed source [[Chess Engine Communication Protocol]] and later [[UCI]] compliant chess engine [[Fizbo]], introduced in May 2014 to [[CCRL]] <ref>[http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7523 new engine - Fizbo - could you please test it?] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], May 07, 2014</ref>, which became [[:Category:Open Source|open source]] in October 2019 <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=72021 Fizbo 2 sources just got released] by Damir, [[CCC]], October 06, 2019</ref> <ref>[https://github.com/MoonstoneLight/Fizbo-Chess GitHub - MoonstoneLight/Fizbo-Chess: Original codes of Fizbo Chess]. Thanks to original author [[Youri Matiounine]]</ref>.