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'''[[Main Page|Home]] * [[People]] * Ulrich Thiemonds'''
[[FILE:UliThiemonds.jpg|border|right|thumb| Uli Thiemonds <ref>Image snipped from [https://www.sg-porz.de/pages/posts/uli-thiemonds-erhaelt-die-ehrennadel-der-schachjugend-nrw-197.php Uli Thiemonds erhält die Ehrennadel der Schachjugend NRW - Schachgemeinschaft Porz e.V.], April 11, 2016</ref> ]]
'''Ulrich (Uli) Thiemonds''',<br/>
a German computer scientist, chess player <ref>[https://ratings.fide.com/profile/24681377 FIDE Profile - Thiemonds, Uli]</ref>
and chess youth coach with chess club [http://de.wikipedia.org/wiki/SG_Porz SG Porz] <ref>[https://www.sg-porz.de/pages/ueber-uns/kontakt.php Schachgemeinschaft Porz e.V.]</ref>.
In 1999, at the [https://en.wikipedia.org/wiki/University_of_Bonn University of Bonn],
he defended his [https://en.wikipedia.org/wiki/Diplom Diplom] degree in computer science with the thesis on
a [https://en.wikipedia.org/wiki/Rule-based_system rule-based program] for [[Endgame|chess endgames]].
He introduced the historic approach of [[El Ajedrecista]] by [[Leonardo Torres y Quevedo]],
mentions the rule-based approach by [[Wilhelm Barth]] from [[Vienna University of Technology]],
as well the work of [[Grit Lachmann]] from [[Chemnitz University of Technology]] in [[Prolog]],
and further elaborates on [[Endgame Tablebases]].
=REB=
Ulrich Thiemonds' rule-based endgame chess program [[REB]] ('''RE'''gel'''B'''asiert = rule-based) was subject of his thesis,
and uses a [https://en.wikipedia.org/wiki/Deductive_database deductive database] and [https://en.wikipedia.org/wiki/Logic_programming logic programming] without any [[Search|tree search]].
The implementation for KQK, [[KRK]] and [[KPK]] were written in [[Prolog]] and [https://en.wikipedia.org/wiki/Datalog Datalog].
[[XBoard]] was used as [[GUI]].
=Selected Publications=
* [[Ulrich Thiemonds]] ('''1999'''). ''Ein regelbasiertes Spielprogramm für Schachendspiele''. [https://en.wikipedia.org/wiki/University_of_Bonn University of Bonn], Diplom thesis, [https://www.idb.uni-bonn.de/publications/da/da_thiemonds_1999.pdf pdf] (German)
=External Links=
* [https://ratings.fide.com/profile/24681377 FIDE Profile - Thiemonds, Uli]
* [https://www.365chess.com/players/Uli_Thiemonds Uli Thiemonds chess games - 365Chess.com]
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Player|Thiemonds]]
[[Category:Chess Programmer|Thiemonds]]
[[FILE:UliThiemonds.jpg|border|right|thumb| Uli Thiemonds <ref>Image snipped from [https://www.sg-porz.de/pages/posts/uli-thiemonds-erhaelt-die-ehrennadel-der-schachjugend-nrw-197.php Uli Thiemonds erhält die Ehrennadel der Schachjugend NRW - Schachgemeinschaft Porz e.V.], April 11, 2016</ref> ]]
'''Ulrich (Uli) Thiemonds''',<br/>
a German computer scientist, chess player <ref>[https://ratings.fide.com/profile/24681377 FIDE Profile - Thiemonds, Uli]</ref>
and chess youth coach with chess club [http://de.wikipedia.org/wiki/SG_Porz SG Porz] <ref>[https://www.sg-porz.de/pages/ueber-uns/kontakt.php Schachgemeinschaft Porz e.V.]</ref>.
In 1999, at the [https://en.wikipedia.org/wiki/University_of_Bonn University of Bonn],
he defended his [https://en.wikipedia.org/wiki/Diplom Diplom] degree in computer science with the thesis on
a [https://en.wikipedia.org/wiki/Rule-based_system rule-based program] for [[Endgame|chess endgames]].
He introduced the historic approach of [[El Ajedrecista]] by [[Leonardo Torres y Quevedo]],
mentions the rule-based approach by [[Wilhelm Barth]] from [[Vienna University of Technology]],
as well the work of [[Grit Lachmann]] from [[Chemnitz University of Technology]] in [[Prolog]],
and further elaborates on [[Endgame Tablebases]].
=REB=
Ulrich Thiemonds' rule-based endgame chess program [[REB]] ('''RE'''gel'''B'''asiert = rule-based) was subject of his thesis,
and uses a [https://en.wikipedia.org/wiki/Deductive_database deductive database] and [https://en.wikipedia.org/wiki/Logic_programming logic programming] without any [[Search|tree search]].
The implementation for KQK, [[KRK]] and [[KPK]] were written in [[Prolog]] and [https://en.wikipedia.org/wiki/Datalog Datalog].
[[XBoard]] was used as [[GUI]].
=Selected Publications=
* [[Ulrich Thiemonds]] ('''1999'''). ''Ein regelbasiertes Spielprogramm für Schachendspiele''. [https://en.wikipedia.org/wiki/University_of_Bonn University of Bonn], Diplom thesis, [https://www.idb.uni-bonn.de/publications/da/da_thiemonds_1999.pdf pdf] (German)
=External Links=
* [https://ratings.fide.com/profile/24681377 FIDE Profile - Thiemonds, Uli]
* [https://www.365chess.com/players/Uli_Thiemonds Uli Thiemonds chess games - 365Chess.com]
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Player|Thiemonds]]
[[Category:Chess Programmer|Thiemonds]]
