25,161
edits
Changes
Created page with "'''Home * People * Ulf Rathsman''' FILE:UlfRathsman.JPG|border|right|thumb|200px| Ulf Rathsman <ref>Image cropped from [https://sv.wikipedia.org/wiki/Tids..."
'''[[Main Page|Home]] * [[People]] * Ulf Rathsman'''
[[FILE:UlfRathsman.JPG|border|right|thumb|200px| Ulf Rathsman <ref>Image cropped from [https://sv.wikipedia.org/wiki/Tidskrift_f%C3%B6r_Schack Tidskrift för Schack] utges av [https://sv.wikipedia.org/wiki/Sveriges_Schackf%C3%B6rbund Sveriges Schackförbund], [http://www.schack.se/tfs/tidskrift-for-schack-1982/ No. 9, November, 1982], pg. 285, Den "svensktillverkade" schackdatorn [[Conchess]] konstruktörer, [[Ulf Rathsman]] och [[Johan Enroth]], [http://www.schack.se/tfsarkiv/history/1982/tfs_1982_09.pdf pdf]</ref> ]]
'''Ulf Rathsman''',<br/>
a Swedish engineer and former professional computer chess programmer. He started chess programming in the 70s, and his first program [[Dark Horse]], written in [[Fortran]] and running on a [[CDC 6600]] [https://en.wikipedia.org/wiki/Mainframe_computer mainframe computer] <ref>[[Peter Jennings]] ('''1978'''). ''Microchess 1.5 Versus Dark Horse''. [[Byte Magazine#BYTE303|BYTE, Vol. 3, No. 3]]</ref> and also on a 36-bit one's complement [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series Univac 1100] <ref>[https://www.game-ai-forum.org/icga-tournaments/tournament.php?id=68 3rd World Computer Chess Championship - Linz 1980 (ICGA Tournaments)]</ref>, played the [[WCCC 1977]] in [https://en.wikipedia.org/wiki/Toronto Toronto], the [[WCCC 1980]] in [https://en.wikipedia.org/wiki/Linz Linz] respectively <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=426 Dark Horse' ICGA Tournaments]</ref>, and was runner-up at the [[ECCC 1979]].
=Programs=
''in chronological order''
* [[Dark Horse]]
* [[Princhess]]
* [[Plymate]]
* [[Y!]]
=Dedicated Computers=
* [[Conchess]]
* [[Mephisto MM II]]
=Career=
[[Princhess]] was Rathsman's first program for a [https://en.wikipedia.org/wiki/Microcomputer microcomputer], written in [[6502]] [[Assembly]] to run on a [[Commodore 64]]. In 1981, supported by [[Johan Enroth]], Rathsman became professional chess programmer for [[Dedicated Chess Computers|dedicated chess computers]]. Soon after Princhess' success as runner-up at the [[WMCCC 1981]] in [https://en.wikipedia.org/wiki/Travem%C3%BCnde Travemünde] <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=466 Princhess' ICGA Tournaments]</ref>, he started collaboration with [[Peter-Ingolf Gericke]] und [[Klaus Heyne]] within their company [[Consumenta]], merchandising [[Conchess]] chess computers manufactured by ''Wallharn Electronics'', Ireland, with Rathsman's [[6502]] based Princhess program <ref>[http://www.schach-computer.info/wiki/index.php/Conchess Conchess] – [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref> <ref>[[Karsten Bauermeister]] ('''1998'''). ''Die Geschichte der Conchess-Schachcomputer''. [[Computerschach und Spiele]], Heft 4, August-September 1998</ref>. After Consumenta's down and out in 1983, Conchess continued under the aegis of Enroth's company, also marketed by [[Hegener & Glaser]] within two models of their [[Mephisto]] series <ref>[http://www.schach-computer.info/wiki/index.php/Mephisto_B%26P Mephisto B&P] – [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Mephisto_MM_II Mephisto MM II] – [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. A Conchess computer competed at the [[WCCC 1983]] in [https://en.wikipedia.org/wiki/New_York_City New York] <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=414 Conchess' ICGA Tournaments]</ref>.
Princhess became tied [[WMCCC 1984|World Microcomputer Chess Champion 1984]] in [https://en.wikipedia.org/wiki/Glasgow Glasgow], where also two Conchess computers competed with the same author involved. In collaboration with co-author [[Lars Hjörth]], Rathsman's next program was [[Plymate]] <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=401 Plymate's ICGA Tournaments]</ref>, competing along with Princhess at the [[WMCCC 1985]], and further the [[WCCC 1986]], the [[WMCCC 1987]] and the [[WMCCC 1988]]. [[Y!]] (Why Not 88 and 89), also with [[Lars Hjörth]] as co-author, and [[Sandro Necchi]] as [[Opening Book Authors|book author]], competed the [[WMCCC 1988]] and [[WMCCC 1989]], as well the [[WCCC 1989]] <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=356 Y!'s ICGA Tournaments]</ref> . Somewhere in the 90s, Ulf Rathsman retired from computer chess.
=External Links=
* [https://www.game-ai-forum.org/icga-tournaments/person.php?id=357 Ulf Rathsman's ICGA Tournaments]
* [http://www.schach-computer.info/wiki/index.php/Rathsman,_Ulf Rathsman, Ulf] – [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)
=References=
<references />
'''[[People|Up one level]]'''
[[FILE:UlfRathsman.JPG|border|right|thumb|200px| Ulf Rathsman <ref>Image cropped from [https://sv.wikipedia.org/wiki/Tidskrift_f%C3%B6r_Schack Tidskrift för Schack] utges av [https://sv.wikipedia.org/wiki/Sveriges_Schackf%C3%B6rbund Sveriges Schackförbund], [http://www.schack.se/tfs/tidskrift-for-schack-1982/ No. 9, November, 1982], pg. 285, Den "svensktillverkade" schackdatorn [[Conchess]] konstruktörer, [[Ulf Rathsman]] och [[Johan Enroth]], [http://www.schack.se/tfsarkiv/history/1982/tfs_1982_09.pdf pdf]</ref> ]]
'''Ulf Rathsman''',<br/>
a Swedish engineer and former professional computer chess programmer. He started chess programming in the 70s, and his first program [[Dark Horse]], written in [[Fortran]] and running on a [[CDC 6600]] [https://en.wikipedia.org/wiki/Mainframe_computer mainframe computer] <ref>[[Peter Jennings]] ('''1978'''). ''Microchess 1.5 Versus Dark Horse''. [[Byte Magazine#BYTE303|BYTE, Vol. 3, No. 3]]</ref> and also on a 36-bit one's complement [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series Univac 1100] <ref>[https://www.game-ai-forum.org/icga-tournaments/tournament.php?id=68 3rd World Computer Chess Championship - Linz 1980 (ICGA Tournaments)]</ref>, played the [[WCCC 1977]] in [https://en.wikipedia.org/wiki/Toronto Toronto], the [[WCCC 1980]] in [https://en.wikipedia.org/wiki/Linz Linz] respectively <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=426 Dark Horse' ICGA Tournaments]</ref>, and was runner-up at the [[ECCC 1979]].
=Programs=
''in chronological order''
* [[Dark Horse]]
* [[Princhess]]
* [[Plymate]]
* [[Y!]]
=Dedicated Computers=
* [[Conchess]]
* [[Mephisto MM II]]
=Career=
[[Princhess]] was Rathsman's first program for a [https://en.wikipedia.org/wiki/Microcomputer microcomputer], written in [[6502]] [[Assembly]] to run on a [[Commodore 64]]. In 1981, supported by [[Johan Enroth]], Rathsman became professional chess programmer for [[Dedicated Chess Computers|dedicated chess computers]]. Soon after Princhess' success as runner-up at the [[WMCCC 1981]] in [https://en.wikipedia.org/wiki/Travem%C3%BCnde Travemünde] <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=466 Princhess' ICGA Tournaments]</ref>, he started collaboration with [[Peter-Ingolf Gericke]] und [[Klaus Heyne]] within their company [[Consumenta]], merchandising [[Conchess]] chess computers manufactured by ''Wallharn Electronics'', Ireland, with Rathsman's [[6502]] based Princhess program <ref>[http://www.schach-computer.info/wiki/index.php/Conchess Conchess] – [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref> <ref>[[Karsten Bauermeister]] ('''1998'''). ''Die Geschichte der Conchess-Schachcomputer''. [[Computerschach und Spiele]], Heft 4, August-September 1998</ref>. After Consumenta's down and out in 1983, Conchess continued under the aegis of Enroth's company, also marketed by [[Hegener & Glaser]] within two models of their [[Mephisto]] series <ref>[http://www.schach-computer.info/wiki/index.php/Mephisto_B%26P Mephisto B&P] – [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Mephisto_MM_II Mephisto MM II] – [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. A Conchess computer competed at the [[WCCC 1983]] in [https://en.wikipedia.org/wiki/New_York_City New York] <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=414 Conchess' ICGA Tournaments]</ref>.
Princhess became tied [[WMCCC 1984|World Microcomputer Chess Champion 1984]] in [https://en.wikipedia.org/wiki/Glasgow Glasgow], where also two Conchess computers competed with the same author involved. In collaboration with co-author [[Lars Hjörth]], Rathsman's next program was [[Plymate]] <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=401 Plymate's ICGA Tournaments]</ref>, competing along with Princhess at the [[WMCCC 1985]], and further the [[WCCC 1986]], the [[WMCCC 1987]] and the [[WMCCC 1988]]. [[Y!]] (Why Not 88 and 89), also with [[Lars Hjörth]] as co-author, and [[Sandro Necchi]] as [[Opening Book Authors|book author]], competed the [[WMCCC 1988]] and [[WMCCC 1989]], as well the [[WCCC 1989]] <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=356 Y!'s ICGA Tournaments]</ref> . Somewhere in the 90s, Ulf Rathsman retired from computer chess.
=External Links=
* [https://www.game-ai-forum.org/icga-tournaments/person.php?id=357 Ulf Rathsman's ICGA Tournaments]
* [http://www.schach-computer.info/wiki/index.php/Rathsman,_Ulf Rathsman, Ulf] – [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)
=References=
<references />
'''[[People|Up one level]]'''
