Difference between revisions of "Betsy"
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'''Betsy''',<br/ | '''Betsy''',<br/ | ||
| − | a [[WinBoard]] compatible chess engine by [[Landon | + | 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]]. | ||
According to a former [[Arena]] site, Betsy was the first published chess engine able to play [[Chess960]] <ref>[https://chess-tigers.de/index_news.php?id=308&rubrik=4&PHPSESSID=d71dfe17e7e8aae16adce6f8fb284410 Der Chess960-Express ist nicht mehr aufzuhalten], [https://chess-tigers.de/cttc_main.php?rubrik=7 Chess Tigers Training Center], July 20, 2005 (German)</ref>, and was therefore Arena partner engine. | According to a former [[Arena]] site, Betsy was the first published chess engine able to play [[Chess960]] <ref>[https://chess-tigers.de/index_news.php?id=308&rubrik=4&PHPSESSID=d71dfe17e7e8aae16adce6f8fb284410 Der Chess960-Express ist nicht mehr aufzuhalten], [https://chess-tigers.de/cttc_main.php?rubrik=7 Chess Tigers Training Center], July 20, 2005 (German)</ref>, and was therefore Arena partner engine. | ||
=Forum Posts= | =Forum Posts= | ||
| − | * [https://www.stmintz.com/ccc/index.php?id=128512 Betsy 5.0 is now winboard compatable] by [[Landon | + | * [https://www.stmintz.com/ccc/index.php?id=128512 Betsy 5.0 is now winboard compatable] by [[Landon Rabern]], [[CCC]], September 06, 2000 |
| − | * [https://www.stmintz.com/ccc/index.php?id=178491 Betsy 5.26] by [[Landon | + | * [https://www.stmintz.com/ccc/index.php?id=178491 Betsy 5.26] by [[Landon Rabern]], [[CCC]], July 06, 2001 |
* [https://www.stmintz.com/ccc/index.php?id=315727 Betsy in Arena] by Mark Loftus, [[CCC]], September 13, 2003 | * [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 | * [http://www.talkchess.com/forum/viewtopic.php?t=23156 Betsy 6.5.1 by Landon Rabern] by [[Norbert Raimund Leisner]], [[CCC]], August 21, 2008 | ||
Revision as of 15:29, 5 January 2020
Hurricane Betsy [1]
Betsy,<br/ 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)
