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Created page with "'''Home * Engines * Betsy''' FILE:Hurricane Betsy.jpg|border|right|thumb| Hurricane Betsy <ref>[https://en.wikipedia.org/wiki/Hurricane_Betsy Hurricane Be..."
'''[[Main Page|Home]] * [[Engines]] * Betsy'''
[[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/
a [[WinBoard]] compatible chess engine by [[Landon W. 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]].
According to a former [[Arena]] site, Betsy was the first published chess engine able to play [[Chess960]], and was therefore Arena partner engine.
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=128512 Betsy 5.0 is now winboard compatable] by [[Landon W. Rabern]], [[CCC]], September 06, 2000
* [https://www.stmintz.com/ccc/index.php?id=178491 Betsy 5.26] by [[Landon W. Rabern]], [[CCC]],
* [https://www.stmintz.com/ccc/index.php?id=315727 Betsy in Arena] by Mark Loftus, [[CCC]], September 13, 2003
* [http://www.talkchess.com/forum/viewtopic.php?t=23156 Betsy 6.5.1 by Landon Rabern] by [[Norbert Raimund Leisner]], [[CCC]], August 21, 2008
=External Links=
==Chess Engine==
* [http://kirr.homeunix.org/chess/engines/Norbert%27s%20Collection/Betsy%20%5B-xboard%2032%5D%20%28Compilation%29/ Index of /chess/engines/Norbert's Collection/Betsy] by [[Norbert Raimund Leisner]], hosted by [[Kirill Kryukov]]
* [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])
* [http://www.computerchess.org.uk/ccrl/404/cgi/engine_details.cgi?print=Details&eng=Betsy%206.51%20Nobook Betsy 6.51 Nobook] in [[CCRL|CCRL 40/2]]
* [http://www.computerchess.org.uk/ccrl/404FRC/cgi/engine_details.cgi?print=Details&eng=Betsy%20Fischer#Betsy_Fischer Betsy Fischer] in [[CCRL|CCRL 40/4 FRC]]
==Misc==
* [https://en.wikipedia.org/wiki/Betsy Betsy from Wikipedia]
* [https://en.wikipedia.org/wiki/Betsy_%28disambiguation%29 Betsy (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Betsy_%28dog%29 Betsy (dog) from Wikipedia]
* [https://en.wikipedia.org/wiki/Hurricane_Betsy Hurricane Betsy from Wikipedia]
* [https://en.wikipedia.org/wiki/Tropical_Storm_Betsy_%28disambiguation%29 Tropical Storm Betsy (disambiguation) from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:WinBoard]]
[[Category:Chess960]]
[[Category:X86]]
[[Category:X64]]
[[Category:PC]]
[[Category:Windows]]
[[Category:Given Name]]
[[Category:Disaster]]
[[Category:Mammal]]
[[Category:Meteorology]]
[[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/
a [[WinBoard]] compatible chess engine by [[Landon W. 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]].
According to a former [[Arena]] site, Betsy was the first published chess engine able to play [[Chess960]], and was therefore Arena partner engine.
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=128512 Betsy 5.0 is now winboard compatable] by [[Landon W. Rabern]], [[CCC]], September 06, 2000
* [https://www.stmintz.com/ccc/index.php?id=178491 Betsy 5.26] by [[Landon W. Rabern]], [[CCC]],
* [https://www.stmintz.com/ccc/index.php?id=315727 Betsy in Arena] by Mark Loftus, [[CCC]], September 13, 2003
* [http://www.talkchess.com/forum/viewtopic.php?t=23156 Betsy 6.5.1 by Landon Rabern] by [[Norbert Raimund Leisner]], [[CCC]], August 21, 2008
=External Links=
==Chess Engine==
* [http://kirr.homeunix.org/chess/engines/Norbert%27s%20Collection/Betsy%20%5B-xboard%2032%5D%20%28Compilation%29/ Index of /chess/engines/Norbert's Collection/Betsy] by [[Norbert Raimund Leisner]], hosted by [[Kirill Kryukov]]
* [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])
* [http://www.computerchess.org.uk/ccrl/404/cgi/engine_details.cgi?print=Details&eng=Betsy%206.51%20Nobook Betsy 6.51 Nobook] in [[CCRL|CCRL 40/2]]
* [http://www.computerchess.org.uk/ccrl/404FRC/cgi/engine_details.cgi?print=Details&eng=Betsy%20Fischer#Betsy_Fischer Betsy Fischer] in [[CCRL|CCRL 40/4 FRC]]
==Misc==
* [https://en.wikipedia.org/wiki/Betsy Betsy from Wikipedia]
* [https://en.wikipedia.org/wiki/Betsy_%28disambiguation%29 Betsy (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Betsy_%28dog%29 Betsy (dog) from Wikipedia]
* [https://en.wikipedia.org/wiki/Hurricane_Betsy Hurricane Betsy from Wikipedia]
* [https://en.wikipedia.org/wiki/Tropical_Storm_Betsy_%28disambiguation%29 Tropical Storm Betsy (disambiguation) from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:WinBoard]]
[[Category:Chess960]]
[[Category:X86]]
[[Category:X64]]
[[Category:PC]]
[[Category:Windows]]
[[Category:Given Name]]
[[Category:Disaster]]
[[Category:Mammal]]
[[Category:Meteorology]]
