Difference between revisions of "Betsy"
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[[FILE:Hurricane Betsy.jpg|border|right|thumb| Hurricane Betsy <ref>[https://en.wikipedia.org/wiki/Hurricane_Betsy Hurricane Betsy] in the [https://en.wikipedia.org/wiki/Gulf_of_Mexico Gulf of Mexico] in September of 1965 as taken by the [https://en.wikipedia.org/wiki/Television_Infrared_Observation_Satellite TIROS-8] weather satellite. Source: [https://en.wikipedia.org/wiki/National_Oceanic_and_Atmospheric_Administration NOAA] [http://www.photolib.noaa.gov/ Photo Library], September 4, 1965</ref> ]] | [[FILE:Hurricane Betsy.jpg|border|right|thumb| Hurricane Betsy <ref>[https://en.wikipedia.org/wiki/Hurricane_Betsy Hurricane Betsy] in the [https://en.wikipedia.org/wiki/Gulf_of_Mexico Gulf of Mexico] in September of 1965 as taken by the [https://en.wikipedia.org/wiki/Television_Infrared_Observation_Satellite TIROS-8] weather satellite. Source: [https://en.wikipedia.org/wiki/National_Oceanic_and_Atmospheric_Administration NOAA] [http://www.photolib.noaa.gov/ Photo Library], September 4, 1965</ref> ]] | ||
| − | '''Betsy''',<br/ | + | '''Betsy''',<br/> |
a [[WinBoard]] compatible chess engine by [[Landon Rabern]], written in [[C]] with a little [[Assembly]], released in September 2000 <ref>[https://web.archive.org/web/20131109133342/http://wbec-ridderkerk.nl/html/details1/Betsy.html Betsy] from [[WBEC|WBEC Ridderkerk]] ([https://en.wikipedia.org/wiki/Internet_Archive Internet Archive])</ref>. | a [[WinBoard]] compatible chess engine by [[Landon Rabern]], written in [[C]] with a little [[Assembly]], released in September 2000 <ref>[https://web.archive.org/web/20131109133342/http://wbec-ridderkerk.nl/html/details1/Betsy.html Betsy] from [[WBEC|WBEC Ridderkerk]] ([https://en.wikipedia.org/wiki/Internet_Archive Internet Archive])</ref>. | ||
Originally written in [[Pascal]] with its own [[CLI|text interface]] it was rewritten in C using [[Rotated Bitboards|rotated bitboards]]. Betsy applies [[Principal Variation Search|PVS]] with [[Null Move Pruning|null move pruning]], and various standard and some aggressive non-standard [[Extensions|extensions]] and [[Reductions|reductions]]. | Originally written in [[Pascal]] with its own [[CLI|text interface]] it was rewritten in C using [[Rotated Bitboards|rotated bitboards]]. Betsy applies [[Principal Variation Search|PVS]] with [[Null Move Pruning|null move pruning]], and various standard and some aggressive non-standard [[Extensions|extensions]] and [[Reductions|reductions]]. | ||
Revision as of 15:30, 5 January 2020
Hurricane Betsy [1]
Betsy,
a WinBoard compatible chess engine by Landon Rabern, written in C with a little Assembly, released in September 2000 [2].
Originally written in Pascal with its own text interface it was rewritten in C using rotated bitboards. Betsy applies PVS with null move pruning, and various standard and some aggressive non-standard extensions and reductions.
According to a former Arena site, Betsy was the first published chess engine able to play Chess960 [3], and was therefore Arena partner engine.
Forum Posts
- Betsy 5.0 is now winboard compatable by Landon Rabern, CCC, September 06, 2000
- Betsy 5.26 by Landon Rabern, CCC, July 06, 2001
- Betsy in Arena by Mark Loftus, CCC, September 13, 2003
- Betsy 6.5.1 by Landon Rabern by Norbert Raimund Leisner, CCC, August 21, 2008
External Links
Chess Engine
- Index of /chess/engines/Norbert's Collection/Betsy by Norbert Raimund Leisner, hosted by Kirill Kryukov
- Betsy from WBEC Ridderkerk (Internet Archive)
- Betsy 6.51 Nobook in CCRL 40/2
- Betsy Fischer in CCRL 40/4 FRC
Misc
- Betsy from Wikipedia
- Betsy (disambiguation) from Wikipedia
- Betsy (dog) from Wikipedia
- Hurricane Betsy from Wikipedia
- Tropical Storm Betsy (disambiguation) from Wikipedia
References
- ↑ Hurricane Betsy in the Gulf of Mexico in September of 1965 as taken by the TIROS-8 weather satellite. Source: NOAA Photo Library, September 4, 1965
- ↑ Betsy from WBEC Ridderkerk (Internet Archive)
- ↑ Der Chess960-Express ist nicht mehr aufzuhalten, Chess Tigers Training Center, July 20, 2005 (German)
