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Jul 28, 2014
**[[Home]] * [[Engines]] * Betsy** || [[image:249px-Hurricane_Betsy.jpg link="http://commons.wikimedia.org/wiki/File:Hurricane_Betsy.jpg"]] ||~ || **Betsy**, a [[WinBoard]] compatible chess engine written by [[Landon W. Rabern]] in [[C]] with a little [[Assembly]], first released in September 2000 <ref>[[http://wbec-ridderkerk.nl/html/details1/Betsy.html|Betsy]] from [[WBEC|WBEC Ridderkerk]]</ref>. Originally written in [[Pascal]] with its own [[Command Line Interface|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 the [[Arena]] site, Betsy was the first published chess engine able to play [[Chess960]], and is therefor Arena partner engine <ref>[[http://www.playwitharena.com/?Partner_Chess_Engines:Betsy%26nbsp%3B|Arena Chess GUI 3.5 - Betsy]]</ref>. || || Hurricane Betsy <ref>[[http://en.wikipedia.org/wiki/Hurricane_Betsy|Hurricane Betsy]] in the [[http://en.wikipedia.org/wiki/Gulf_of_Mexico|Gulf of Mexico]] in September of 1965 as taken by the [[http://en.wikipedia.org/wiki/Television_Infrared_Observation_Satellite|TIROS-8]] weather satellite. Source: [[http://en.wikipedia.org/wiki/National_Oceanic_and_Atmospheric_Administration|NOAA]] [[http://www.photolib.noaa.gov/|Photo Library]], September 4, 1965</ref> ||~ ||^ || [[toc]] =See also= * [[Various Classifications#GivenName|Given Name]] * [[Various Classifications#Meteorology|Meteorology]] =Forum Posts= * [[http://www.stmintz.com/ccc/index.php?id=128512|Betsy 5.0 is now winboard compatable]] by [[Landon W. Rabern]], [[CCC]], September 06, 2000 * [[http://www.stmintz.com/ccc/index.php?id=178491|Betsy 5.26]] by [[Landon W. Rabern]], [[CCC]], * [[http://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://www.playwitharena.com/?Partner_Chess_Engines:Betsy%26nbsp%3B|Arena Chess GUI 3.5 - Betsy]] * [[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]] * [[http://wbec-ridderkerk.nl/html/details1/Betsy.html|Betsy]] from [[WBEC|WBEC Ridderkerk]] * [[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 40/4]] * [[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== * [[http://en.wikipedia.org/wiki/Betsy|Betsy from Wikipedia]] * [[http://en.wikipedia.org/wiki/Betsy_%28disambiguation%29|Betsy (disambiguation) from Wikipedia]] * [[http://en.wikipedia.org/wiki/Betsy_%28dog%29|Betsy (dog) from Wikipedia]] * [[http://en.wikipedia.org/wiki/Hurricane_Betsy|Hurricane Betsy from Wikipedia]] * [[http://en.wikipedia.org/wiki/Tropical_Storm_Betsy_%28disambiguation%29|Tropical Storm Betsy (disambiguation) from Wikipedia]] =References= <references /> =What links here?= [[include page="Betsy" component="backlinks" limit="10"]] **[[Engines|Up one Level]]**