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Along with [[Hisayori Noda]] (Nodchip), [[Jun Okabe]], [[Takahiro Suzuki]], [[Masatoshi Hidaka]], and at times [[Akio Kono]],
Yu Nasu was member of ''The Minstrel's Ballad: Tanuki's Reign''
<ref>[https://groups.google.com/d/msg/shogi-l/-fO7GP6Zzww/8pG4UYeNAAAJ WCSC26 participation list] by [[Reijer Grimbergen]], [https://groups.google.com/forum/#!forum/shogi-l [Computer Chess Forums|SHOGI-L]], April 08, 2016</ref> <ref>[https://groups.google.com/d/msg/shogi-l/v-tznD0IQe0/37KYlSYtAgAJ The 27th World Computer Shogi Championship: participant list] by [[Takenobu Takizawa]], [https://groups.google.com/forum/#!forum/shogi-l [Computer Chess Forums|SHOGI-L]], April 17, 2017</ref>
and subsequently is member of the ''Ziosoft Computer Shogi Club'', developing and representing the Shogi playing entities ''Shouten Gensou Knights of Tanuki'' ([[WCSC27|2017]], derived from ''Yaneura King'' by [[Motohiro Isozaki]] aka Yaneurao)
<ref>[[Hisayori Noda]], [[Jun Okabe]], [[Takahiro Suzuki]], [[Masatoshi Hidaka]], [[Yu Nasu]], [[Akio Kono]] ('''2017'''). ''Shouten Gensou Knights of Tanuki Appeal Document''. The Minstrel's Ballad: Tanuki's Reign, [http://www2.computer-shogi.org/wcsc27/appeal/tanuki-/appeal.pdf pdf] (Japanese)</ref>
''the end of genesis T.N.K.evolution turbo type D''
<ref>[http://www2.computer-shogi.org/wcsc28/ 第28回世界コンピュータ将棋選手権 wcsc28]</ref>
<ref>[https://www.uuunuuun.com/single-post/2019/05/28/Installation-instruction-of-shogi-engines-v2019-May Installation instruction of shogi engines], May 28, 2019</ref>and [[Tanu-King]] at the [[WCSC29|29th World Computer Shogi Champion]] <ref>[http://www2.computer-shogi.org/wcsc29/ 第29回世界コンピュータ将棋選手権 wcsc29]</ref> [[YaneuraOu]] <ref>[http://yaneuraou.yaneu.com/ やねうら王 公式サイト | コンピューター将棋 やねうら王 公式サイト YaneuraOu Official Website] by [[Motohiro Isozaki]] aka Yaneurao</ref> <ref>[https://github.com/yaneurao/YaneuraOu GitHub - yaneurao/YaneuraOu: YaneuraOu is the World's Strongest Shogi engine(AI player), WCSC29 1st winner, educational and USI compliant engine], hosted by [[Motohiro Isozaki]] aka Yaneurao</ref>.
=[[NNUE]]=
In 2018, Yu Nasu introduced a new [[Evaluation Function|evaluation function]] based on a shallow [[Neural Networks|neural network]]
This approach, dubbed [[NNUE]] (ƎUИИ Efficiently Updatable Neural Networks), turned out to become extremely powerful.
NNUE was used along with a [[Stockfish]] based Shogi adaptation in [[YaneuraOu]], as well in other Shogi playing entities such as
[[Kristallweizen-kai]] <ref>[https://github.com/Tama4649/Kristallweizen/ GitHub - Tama4649/Kristallweizen: 第29回世界コンピュータ将棋選手権 準優勝のKristallweizenです。]</ref>,
apparently with superhuman [[AlphaZero]] strength <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=72754 The Stockfish of shogi] by [[Larry Kaufman]], [[CCC]], January 07, 2020</ref>.
YaneuraOu team member [[Hisayori Noda]] aka Nodchip proved that Nasu's idea also works well in [[Chess|western chess]], yielding to [[Stockfish NNUE]] <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=74059 Stockfish NN release (NNUE)] by [[Henk Drost]], [[CCC]], May 31, 2020</ref> and in September 2020 to '''Stockfish 12''' <ref>[https://blog.stockfishchess.org/post/628172810852925440/stockfish-12 Stockfish 12], The Stockfish Team, [https://blog.stockfishchess.org/ Stockfish Blog], September 02, 2020</ref>.
=Selected Publications=
* [https://dblp.org/pers/hd/o/Ohtani:Yamato Yamato Ohtani], [[Yu Nasu]], [https://dblp.org/pers/hd/m/Morita:Masahiro Masahiro Morita], [https://dblp.org/pers/hd/a/Akamine:Masami Masami Akamine] ('''2015'''). ''[https://www.semanticscholar.org/paper/Emotional-transplant-in-statistical-speech-based-on-Ohtani-Nasu/5d6c1846bef6e8f796a84f6d7a381fdcffe1e1dd Emotional transplant in statistical speech synthesis based on emotion additive model]''. [https://dblp.org/db/conf/interspeech/interspeech2015.html#OhtaniNMA15 INTERSPEECH 2015] <ref>[https://en.wikipedia.org/wiki/Hidden_semi-Markov_model hidden semi-Markov model from Wikipedia]</ref> <ref>[https://en.wikipedia.org/wiki/Kernel_eigenvoice Kernel eigenvoice from Wikipedia]</ref>
* [[Hisayori Noda]], [[Jun Okabe]], [[Takahiro Suzuki]], [[Masatoshi Hidaka]], [[Yu Nasu]], [[Akio Kono]] ('''2017'''). ''Shouten Gensou Knights of Tanuki Appeal Document''. The Minstrel's Ballad: Tanuki's Reign, [http://www2.computer-shogi.org/wcsc27/appeal/tanuki-/appeal.pdf pdf] (Japanese)
* [[Yu Nasu]] ('''2018'''). ''ƎUИИ Efficiently Updatable Neural-Network based Evaluation Functions for Computer Shogi''. Ziosoft Computer Shogi Club, [https://github.com/ynasu87/nnue/blob/master/docs/nnue.pdf pdf], [https://www.apply.computer-shogi.org/wcsc28/appeal/the_end_of_genesis_T.N.K.evolution_turbo_type_D/nnue.pdf pdf] (Japanese with English abstract)[https://github.com/asdfjkl/nnue GitHub - asdfjkl/nnue translation] <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76250 Translation of Yu Nasu's NNUE paper] by [[Dominik Klein]], [[CCC]], January 07, 2021</ref>
=External Links=
* [https://www.researchgate.net/scientific-contributions/69800429_Yu_Nasu Yu Nasu's research works | Tokyo Institute of Technology, Tokyo (TITech) and other places], [https://en.wikipedia.org/wiki/ResearchGate ResearchGate]
* [http://yaneuraou.yaneu.com/ やねうら王 公式サイト | コンピューター将棋 やねうら王 公式サイト YaneuraOu Official Website] by [[Motohiro Isozaki]] aka Yaneurao
* [http://yaneuraou.yaneu.com/2019/06/24/%E5%B0%86%E6%A3%8B%E3%82%BD%E3%83%95%E3%83%88%E9%96%8B%E7%99%BA%E8%80%85%E3%81%8Cstockfish%E3%81%AB%E8%B2%A2%E7%8C%AE%E3%81%99%E3%82%8B%E6%97%A5/ 将棋ソフト開発者がStockfishに貢献する日 The day when shogi software developers contribute to Stockfish] by [[Yu Nasu]], June 2019 » [[Stockfish NNUE]]
* [https://github.com/yaneurao/YaneuraOu GitHub - yaneurao/YaneuraOu: YaneuraOu is the World's Strongest Shogi engine(AI player), WCSC29 1st winner, educational and USI compliant engine], hosted by [[Motohiro Isozaki]] aka Yaneurao
[[Category:Shogi Programmer|Nasu]]
[[Category:Researcher|Nasu]]
[[Category:Stockfish Contributor|Nasu]]
