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Created page with "'''Home * People * Stefan Geschwentner''' FILE:StefanGeschwentner.jpg|border|right|thumb|link=https://www.codenground.de/stefan-geschwentner-ueber-kuenstl..."
'''[[Main Page|Home]] * [[People]] * Stefan Geschwentner'''
[[FILE:StefanGeschwentner.jpg|border|right|thumb|link=https://www.codenground.de/stefan-geschwentner-ueber-kuenstliche-intelligenz-und-einer-aufforderung-zum-duell-von-googles-ki/|
Stefan Geschwentner <ref>Image cropped from [https://www.codenground.de/stefan-geschwentner-ueber-kuenstliche-intelligenz-und-einer-aufforderung-zum-duell-von-googles-ki/ Stefan Geschwentner über Künstliche Intelligenz und einer Aufforderung zum Duell von Google's KI] by [https://www.codenground.de/author/armin-haas/ Armin Haas], [https://www.codenground.de/ code'n'ground AG], January 17, 2019 (German)</ref> ]]
'''Stefan Geschwentner''',<br/>
a German computer scientist and software developer, who graduated in mathematics and computer science at [https://en.wikipedia.org/wiki/University_of_Ulm University of Ulm].
In 2013, he started to work on [[Stockfish]], playing with [[Extensions|extensions]], in particular frustrating trials with the [[Botvinnik-Markoff Extension|Botvinnik-Markoff extension]] <ref>[https://groups.google.com/d/msg/fishcooking/kZmhBPI2p6M/tJUZgmpfOUsJ Re: Botvinnik-Markov...these guys..] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], August 28, 2013</ref>,
but soon became a primary member in the Stockfish community, and contributed in all areas of [[Search|search]], [[Evaluation|evaluation]] and [[Engine Testing|testing]], such as [[Selectivity|selectivity]], [[Move Ordering|move ordering]] <ref>[https://groups.google.com/d/msg/fishcooking/d8IhZZJSBGc/PrN-8dP26dIJ Followup moves] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], January 12, 2014</ref>, and considering [[Pin|pinned pieces]] in [[King Safety|king safety]] <ref>[https://groups.google.com/d/msg/fishcooking/lIjQUH3dsYg/4VEtHUkrdBsJ Pinned pieces in king safety] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], March 28, 2014</ref> to mention a few.
=Forum Posts=
==2013==
* [https://groups.google.com/d/msg/fishcooking/kZmhBPI2p6M/tJUZgmpfOUsJ Re: Botvinnik-Markov...these guys..] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], August 28, 2013
* [https://groups.google.com/d/msg/fishcooking/zaNZhJhMLjA/UiTlCvwkiP0J Removing extensions] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], August 31, 2013 » [[Extensions]]
* [https://groups.google.com/d/msg/fishcooking/cDM3mrrCTkE/hJPY5QwUvoIJ Testing LMR conditions] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], October 06, 2013 » [[Late Move Reductions|LMR]]
* [https://groups.google.com/d/msg/fishcooking/sx7QLbtbEOg/f_rJP6bZiCcJ Candidate passers] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], October 14, 2013 » [[Candidates (Bitboards)]]
* [https://groups.google.com/d/msg/fishcooking/IVuUkcSjdP8/bE6FPKJq2_oJ Singular extension] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], November 01, 2013 » [[Singular Extensions]]
* [https://groups.google.com/d/msg/fishcooking/kpkfDzNfvhY/WGlKWPu-faQJ Singular extension: exclusion key] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], November 24, 2013
==2014==
* [https://groups.google.com/d/msg/fishcooking/d8IhZZJSBGc/PrN-8dP26dIJ Followup moves] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], January 12, 2014 » [[History Heuristic#CMHist|Counter Moves History]]
* [https://groups.google.com/d/msg/fishcooking/SfEL7mUXGgA/3_v7yqfNCFkJ Multicut] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], February 21, 2014 » [[Multi-Cut]]
* [https://groups.google.com/d/msg/fishcooking/lIjQUH3dsYg/4VEtHUkrdBsJ Pinned pieces in king safety] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], March 28, 2014 » [[King Safety]], [[Pin]]
* [https://groups.google.com/d/msg/fishcooking/_qtvakyb_yM/FYOlNteY0N0J Knight fork threats] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], November 17, 2014 » [[Knight Pattern#KnightForks|Knight Forks]]
==2015 ...==
* [https://groups.google.com/d/msg/fishcooking/8h-TH6YckMI/uFUb6H6eDAAJ Four game phases] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], February 20, 2017 » [[Tapered Eval]]
* [https://groups.google.com/d/msg/fishcooking/vnG9_8BXk4Q/U7AIR-DiAAAJ Smoothing stats] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], April 10, 2017
* [https://groups.google.com/d/msg/fishcooking/pVsMKL1sBlE/y1QRpZTpBwAJ Cumulative effects for multiple threads?] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], April 08, 2018
* [https://groups.google.com/d/msg/fishcooking/mzMaAx8KUMI/TzBfmeTyAgAJ Introduction of attack threat tables] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], June 20, 2018
* [https://groups.google.com/d/msg/fishcooking/--02xbp9wM4/JGHI6CIkCwAJ Stat update measurements] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], July 09, 2018
* [https://groups.google.com/d/msg/fishcooking/gxAS3isl4pU/FxuoYfo8BQAJ Change of maintainer] by [[Stephane Nicolet]], [[Computer Chess Forums|FishCooking]], September 03, 2018
=External Links=
* [https://github.com/locutus2 locutus2 (Stefan Geschwentner) · GitHub]
* [https://www.codenground.de/stefan-geschwentner-ueber-kuenstliche-intelligenz-und-einer-aufforderung-zum-duell-von-googles-ki/ Stefan Geschwentner über Künstliche Intelligenz und einer Aufforderung zum Duell von Google's KI] by [https://www.codenground.de/author/armin-haas/ Armin Haas], [https://www.codenground.de/ code'n'ground AG], January 17, 2019 (German)
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Programmer|Geschwentner]]
[[Category:Stockfish Contributor|Geschwentner]]
[[FILE:StefanGeschwentner.jpg|border|right|thumb|link=https://www.codenground.de/stefan-geschwentner-ueber-kuenstliche-intelligenz-und-einer-aufforderung-zum-duell-von-googles-ki/|
Stefan Geschwentner <ref>Image cropped from [https://www.codenground.de/stefan-geschwentner-ueber-kuenstliche-intelligenz-und-einer-aufforderung-zum-duell-von-googles-ki/ Stefan Geschwentner über Künstliche Intelligenz und einer Aufforderung zum Duell von Google's KI] by [https://www.codenground.de/author/armin-haas/ Armin Haas], [https://www.codenground.de/ code'n'ground AG], January 17, 2019 (German)</ref> ]]
'''Stefan Geschwentner''',<br/>
a German computer scientist and software developer, who graduated in mathematics and computer science at [https://en.wikipedia.org/wiki/University_of_Ulm University of Ulm].
In 2013, he started to work on [[Stockfish]], playing with [[Extensions|extensions]], in particular frustrating trials with the [[Botvinnik-Markoff Extension|Botvinnik-Markoff extension]] <ref>[https://groups.google.com/d/msg/fishcooking/kZmhBPI2p6M/tJUZgmpfOUsJ Re: Botvinnik-Markov...these guys..] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], August 28, 2013</ref>,
but soon became a primary member in the Stockfish community, and contributed in all areas of [[Search|search]], [[Evaluation|evaluation]] and [[Engine Testing|testing]], such as [[Selectivity|selectivity]], [[Move Ordering|move ordering]] <ref>[https://groups.google.com/d/msg/fishcooking/d8IhZZJSBGc/PrN-8dP26dIJ Followup moves] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], January 12, 2014</ref>, and considering [[Pin|pinned pieces]] in [[King Safety|king safety]] <ref>[https://groups.google.com/d/msg/fishcooking/lIjQUH3dsYg/4VEtHUkrdBsJ Pinned pieces in king safety] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], March 28, 2014</ref> to mention a few.
=Forum Posts=
==2013==
* [https://groups.google.com/d/msg/fishcooking/kZmhBPI2p6M/tJUZgmpfOUsJ Re: Botvinnik-Markov...these guys..] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], August 28, 2013
* [https://groups.google.com/d/msg/fishcooking/zaNZhJhMLjA/UiTlCvwkiP0J Removing extensions] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], August 31, 2013 » [[Extensions]]
* [https://groups.google.com/d/msg/fishcooking/cDM3mrrCTkE/hJPY5QwUvoIJ Testing LMR conditions] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], October 06, 2013 » [[Late Move Reductions|LMR]]
* [https://groups.google.com/d/msg/fishcooking/sx7QLbtbEOg/f_rJP6bZiCcJ Candidate passers] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], October 14, 2013 » [[Candidates (Bitboards)]]
* [https://groups.google.com/d/msg/fishcooking/IVuUkcSjdP8/bE6FPKJq2_oJ Singular extension] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], November 01, 2013 » [[Singular Extensions]]
* [https://groups.google.com/d/msg/fishcooking/kpkfDzNfvhY/WGlKWPu-faQJ Singular extension: exclusion key] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], November 24, 2013
==2014==
* [https://groups.google.com/d/msg/fishcooking/d8IhZZJSBGc/PrN-8dP26dIJ Followup moves] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], January 12, 2014 » [[History Heuristic#CMHist|Counter Moves History]]
* [https://groups.google.com/d/msg/fishcooking/SfEL7mUXGgA/3_v7yqfNCFkJ Multicut] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], February 21, 2014 » [[Multi-Cut]]
* [https://groups.google.com/d/msg/fishcooking/lIjQUH3dsYg/4VEtHUkrdBsJ Pinned pieces in king safety] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], March 28, 2014 » [[King Safety]], [[Pin]]
* [https://groups.google.com/d/msg/fishcooking/_qtvakyb_yM/FYOlNteY0N0J Knight fork threats] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], November 17, 2014 » [[Knight Pattern#KnightForks|Knight Forks]]
==2015 ...==
* [https://groups.google.com/d/msg/fishcooking/8h-TH6YckMI/uFUb6H6eDAAJ Four game phases] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], February 20, 2017 » [[Tapered Eval]]
* [https://groups.google.com/d/msg/fishcooking/vnG9_8BXk4Q/U7AIR-DiAAAJ Smoothing stats] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], April 10, 2017
* [https://groups.google.com/d/msg/fishcooking/pVsMKL1sBlE/y1QRpZTpBwAJ Cumulative effects for multiple threads?] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], April 08, 2018
* [https://groups.google.com/d/msg/fishcooking/mzMaAx8KUMI/TzBfmeTyAgAJ Introduction of attack threat tables] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], June 20, 2018
* [https://groups.google.com/d/msg/fishcooking/--02xbp9wM4/JGHI6CIkCwAJ Stat update measurements] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], July 09, 2018
* [https://groups.google.com/d/msg/fishcooking/gxAS3isl4pU/FxuoYfo8BQAJ Change of maintainer] by [[Stephane Nicolet]], [[Computer Chess Forums|FishCooking]], September 03, 2018
=External Links=
* [https://github.com/locutus2 locutus2 (Stefan Geschwentner) · GitHub]
* [https://www.codenground.de/stefan-geschwentner-ueber-kuenstliche-intelligenz-und-einer-aufforderung-zum-duell-von-googles-ki/ Stefan Geschwentner über Künstliche Intelligenz und einer Aufforderung zum Duell von Google's KI] by [https://www.codenground.de/author/armin-haas/ Armin Haas], [https://www.codenground.de/ code'n'ground AG], January 17, 2019 (German)
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Programmer|Geschwentner]]
[[Category:Stockfish Contributor|Geschwentner]]
