Betsy

a WinBoard compatible chess engine written by Landon W. Rabern in C with a little Assembly, first released in September 2000. 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 the Arena site, Betsy was the first published chess engine able to play Chess960, and is therefor Arena partner engine. || toc =See also=
 * Home * Engines * Betsy**
 * [[image:249px-Hurricane_Betsy.jpg link="http://commons.wikimedia.org/wiki/File:Hurricane_Betsy.jpg"]] ||~ || **Betsy**,
 * Hurricane Betsy ||~ ||^ ||
 * Given Name
 * Meteorology

=Forum Posts=
 * [|Betsy 5.0 is now winboard compatable] by Landon W. Rabern, CCC, September 06, 2000
 * [|Betsy 5.26] by Landon W. Rabern, CCC,
 * [|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

 * [|Arena Chess GUI 3.5 - Betsy]
 * [|Index of /chess/engines/Norbert's Collection/Betsy] by Norbert Raimund Leisner, hosted by Kirill Kryukov
 * [|Betsy] from WBEC Ridderkerk
 * [|Betsy 6.51 Nobook] in CCRL 40/4
 * [|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= =What links here?= include page="Betsy" component="backlinks" limit="10"
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