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Created page with "'''Home * Engines * Ruffian''' [[FILE:Ruffian with her jockey Jacinto Vazquez.jpg|right|thumb| [https://en.wikipedia.org/wiki/Ruffian_%28horse%29 Ruffian] <..."
'''[[Main Page|Home]] * [[Engines]] * Ruffian'''
[[FILE:Ruffian with her jockey Jacinto Vazquez.jpg|right|thumb| [https://en.wikipedia.org/wiki/Ruffian_%28horse%29 Ruffian] <ref>[https://en.wikipedia.org/wiki/Ruffian_%28horse%29 Ruffian] ridden by [https://en.wikipedia.org/wiki/Jacinto_V%C3%A1squez Jacinto Vásquez], Image from [http://madssmith.blogspot.com/2011/05/ruffian-racings-greatest-filly.html Horse Racing: Ruffian: Racing's Greatest Filly], [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Ruffian''',<br/>
a chess engine developed by [[Perola Valfridsson]] since 1998, which appeared in July 2002 as a surprisingly strong newcomer playing on [[Internet Chess Club|ICC]] and [[Free Internet Chess Server|FICS]] <ref>[https://www.stmintz.com/ccc/index.php?id=242402 What is Ruffian?] by [[Bas Hamstra]], [[CCC]], July 24, 2002</ref>, supporting both, the [[Chess Engine Communication Protocol]] and [[UCI]].
=Description=
With portability and performance in mind, Ruffian was written in [[C]], and used a hybrid [[Board Representation|board representation]] of [[Bitboards|bitboard]] and [[8x8 Board|8x8 board]]. It performs [[Principal Variation Search|PVS]] with [[Null Move Pruning|null move pruning]] and other [[Pruning|forward pruning]] techniques as well as a few own algorithms and tricks <ref>[http://www.top-5000.nl/int/ruffian.htm Ruffian, the replacement to ABBA], Interview with [[Perola Valfridsson]] by [[Frank Quisinsky]] et al., October, 2002, hosted by [[Ed Schroder|Ed Schröder]]</ref>. One of the major [[Evaluation|evaluation]] terms is [[Mobility|mobility]] based on pre-calculated tables considering various patterns <ref>[http://www.schachversand.de/e/detail/software/464.html Ruffian 2.0: 3 Euro] - [[Schachversand Niggemann]]</ref> <ref>[https://www.stmintz.com/ccc/index.php?id=329957 Ruffian's Secret?] by [[Steve Maughan]], [[CCC]], November 23, 2003</ref>.
=Photos=
[[FILE:ict2004win29.jpg|none|border|text-bottom|640px|link=http://old.csvn.nl/ict4tour.html]]
[[ICT 2004]] winners: [[Chrilly Donninger]], [[Erdogan Günes]] ([[Hydra]] 2nd), [[Stefan Meyer-Kahlen]] ([[Shredder]] 1st),<br/>[[Johan Havegheer]] ([[Ruffian]] 3rd), [[Vincent Diepeveen]] ([[Diep]] 3rd) <ref>[http://old.csvn.nl/ict4tour.html Photos] from the old [[CSVN]] site</ref>
=Achievements=
Ruffian was shared winner of the [[CCT5]] and lonesome winner of the [[DOCCC 2003]] supported by [[:Category:Opening Book Author|book author]] [[Đorđe Vidanović]], operated by [[Johan Havegheer]], [[Frank Quisinsky]] and [[Leo Dijksman]] <ref>[http://old.csvn.nl/partic03.html Participants 23rd Open Dutch Computer-Chess Championship 18, 19, 25, 26 Oct. 2003; Leiden, Netherlands] old [[CSVN]] site</ref> <ref>[https://www.stmintz.com/ccc/index.php?id=323778 Dutch Open Leiden final ranking - Ruffian Champion] by [[Theo van der Storm]], [[CCC]], October 26, 2003</ref>, winner of the (unofficial) Swedish Championship in 2003 <ref>[http://www.albert.nu/SMDS/ iSMDS-03 (unofficial) Swedish Championship 2003] by [[Albert Bertilsson]]</ref>, and further played a strong [[CCT6]] and [[ICT 2004]].
=Free Ruffian=
The free [[Windows]] versions 1.0 from September 2002 is still available for download from [[Ed Schroder|Ed Schröder's]] Winboard and UCI engines download site <ref>[http://www.top-5000.nl/wbuci.htm Download Winboard and UCI engines] by [[Ed Schroder|Ed Schröder]]</ref>.
=Commercial Ruffian=
In 2003, Ruffian 2 went commercial, first bundled with [[Chess Assistant]] by [[ChessOK|Convekta]], where [[Victor Zakharov]] mentions [[Dann Corbit]] was a big help <ref>[http://chessok.com/files/bobpawlak/Articles/Victor_Zakharov_b.html ChessAssistance.com A talk with Victor Zakharov, head of Convekta development, part b] by [[Robert Pawlak]], February 14, 2003</ref>, and further with the otherwise free [[Arena]] [[GUI]], CD production by [[Frank Quisinsky]] and distribution by [[Schachversand Niggemann]] <ref>[https://www.stmintz.com/ccc/index.php?id=329068 Arena 1.0 / Ruffian 2.0 ... information!] by [[Frank Quisinsky]], [[CCC]], November 21, 2003</ref>, and soon as bundle with [[ChessPartner]] by [[Lokasoft]] <ref>[https://www.stmintz.com/ccc/index.php?id=350465 Good news for Ruffian Lovers from outside europe] by [[Johan Havegheer]], [[CCC]], February 21, 2004</ref>.
Ruffian is base of the chess AI in [[Kasparov Chessmate]] <ref>[https://www.stmintz.com/ccc/index.php?id=306057 Kasparov Chessmate review] by Alastair Scott, [[CCC]], July 12, 2003</ref>, with [[Perola Valfridsson]] credited as author by [https://en.wikipedia.org/wiki/MobyGames MobyGames] <ref>[http://www.mobygames.com/developer/sheet/view/by_genre/developerId,281982/ Perola Valfridsson] from [https://en.wikipedia.org/wiki/MobyGames MobyGames]</ref>.
The initial hype about Ruffian's commercialization was apparently detrimental to its authors motivation to continue the development <ref>[https://www.stmintz.com/ccc/index.php?id=429271 Re: CSVN Leiden (Ruffian and Sjeng missing)] by [[Johan Havegheer]], [[CCC]], June 01, 2005</ref>. In conjunction with the upcoming strong free engines catching up, this was slowly but surely the fall of the commercial endeavor <ref>[http://www.schachversand.de/e/detail/software/464.html Ruffian 2.0: 3 Euro] - [[Schachversand Niggemann]]</ref>.
In May 2017, [[Frank Quisinsky]] rescued Ruffian versions 2.02 and 2.1 from their commercial burdens <ref>[http://www.talkchess.com/forum/viewtopic.php?t=63995 Ruffian support ...] by [[Frank Quisinsky]], [[CCC]], May 16, 2017</ref>.
=See also=
* [[Chester]]
* [[Kasparov Chessmate]]
* [[King of Kings]]
* [[Tinker]]
=Forum Posts=
==2002==
* [https://www.stmintz.com/ccc/index.php?id=242402 What is Ruffian?] by [[Bas Hamstra]], [[CCC]], July 24, 2002
* [https://www.stmintz.com/ccc/index.php?id=243152 Some info about Ruffian] by [[Benny Antonsson]], [[CCC]], July 29, 2002
* [https://www.stmintz.com/ccc/index.php?id=252726 Ruffian 0.76 is still playing incredible strong!] by [[Jouni Uski]], [[CCC]], September 19, 2002
* [https://www.stmintz.com/ccc/index.php?id=253512 Ruffian is here - Make your move Bob Hyatt!] by [[Peter Fendrich]], [[CCC]], September 23, 2002
* [https://www.stmintz.com/ccc/index.php?id=257897 Interview with Ruffian programmer Per-Ola Valfridsson available!] by [[Frank Quisinsky]], [[CCC]], October 09, 2002
==2003==
* [https://www.stmintz.com/ccc/index.php?id=323778 Dutch Open Leiden final ranking - Ruffian Champion] by [[Theo van der Storm]], [[CCC]], October 26, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=45030 First impression of Ruffian 1.0.5] by capgadget, [[Computer Chess Forums|Winboard Forum]], November 07, 2003
* [https://www.stmintz.com/ccc/index.php?id=329068 Arena 1.0 / Ruffian 2.0 ... information!] by [[Frank Quisinsky]], [[CCC]], November 21, 2003
* [https://www.stmintz.com/ccc/index.php?id=329957 Ruffian's Secret?] by [[Steve Maughan]], [[CCC]], November 23, 2003
* [https://www.stmintz.com/ccc/index.php?id=333338 The America/Ruffian ordeal...] by [[Slater Wold]], [[CCC]], December 03, 2003
* [https://www.stmintz.com/ccc/index.php?id=336611 Questions about Ruffian2 and other platforms] by [[Daniel Clausen]], [[CCC]], December 17, 2003
* [https://www.stmintz.com/ccc/index.php?id=337021 One more post on Ruffian 2.0] by [[Đorđe Vidanović]], [[CCC]], December 19, 2003
==2004==
* [https://www.stmintz.com/ccc/index.php?id=346058 Ruffian on a G5 isn't bad!] by George Sobala, [[CCC]], January 31, 2004
* [https://www.stmintz.com/ccc/index.php?id=348116 Ruffian 2.1.0 ...] by [[Frank Quisinsky]], [[CCC]], February 09, 2004
* [https://www.stmintz.com/ccc/index.php?id=350465 Good news for Ruffian Lovers from outside europe] by [[Johan Havegheer]], [[CCC]], February 21, 2004
* [https://www.stmintz.com/ccc/index.php?id=350771 Ruffian 2.1.0 or Ruffian 2.0.2 ...] by [[Frank Quisinsky]], [[CCC]], February 23, 2004
* [https://www.stmintz.com/ccc/index.php?id=352351 Ruffian 2.0.2 copy protection] by [[Jouni Uski]], [[CCC]], March 02, 2004
* [https://www.stmintz.com/ccc/index.php?id=356976 Ruffian's most peculiar way of pondering] by [[Peter Berger]], [[CCC]], March 27, 2004
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=429271 Re: CSVN Leiden (Ruffian and Sjeng missing)] by [[Johan Havegheer]], [[CCC]], June 01, 2005
* [https://www.stmintz.com/ccc/index.php?id=478190 SSDF(Fruit 2.2.1 - Ruffian 1.0.1)A1200, 2½-2½, ended 26-14] by [[Tony Hedlund]], [[CCC]], January 09, 2006 » [[Fruit]]
==2015 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=59543 Computer Chess Progress: Stockfish 7 vs Ruffian 1.0.5] by [[Martin Fierz]], [[CCC]], March 17, 2016 » [[Stockfish]]
* [http://www.talkchess.com/forum/viewtopic.php?t=63995 Ruffian support ...] by [[Frank Quisinsky]], [[CCC]], May 16, 2017
=External Links=
==Chess Engine==
* [http://www.playwitharena.com/?Partner_Chess_Engines:Ruffian%26nbsp%3B Ruffian] from [[Arena|Arena Chess GUI for Linux and Windows]]
* [http://www.top-5000.nl/int/ruffian.htm Ruffian, the replacement to ABBA], Interview with [[Perola Valfridsson]] by [[Frank Quisinsky]] et al., October, 2002, hosted by [[Ed Schroder|Ed Schröder]]
* [https://en.chessbase.com/post/shredder-and-ruffian-lead-in-leiden Shredder and Ruffian lead in Leiden] by [[Eric van Reem]] and [[Theo van der Storm]], [[ChessBase]], April 24, 2004 » [[ICT 2004]]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/compare_engines.cgi?family=Ruffian&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Comopp+gamenum+table&print=Overlap+table&print=Score+with+common+opponents Ruffian] in [[CCRL|CCRL 40/40]]
* [http://www.top-5000.nl/wbuci.htm Download Winboard and UCI engines] by [[Ed Schroder|Ed Schröder]]
* [http://www.amateurschach.de/main/_download.htm Frank's Chess Page, Downloads] by [[Frank Quisinsky]]
==Misc==
* [https://en.wiktionary.org/wiki/ruffian ruffian - Wiktionary]
* [https://en.wiktionary.org/wiki/ruffiano ruffiano - Wiktionary]
* [https://en.wikipedia.org/wiki/Ruffian from Wikipedia]
* [https://en.wikipedia.org/wiki/Ruffian_Games Ruffian Games from Wikipedia]
* [https://en.wikipedia.org/wiki/Ruffian_%28horse%29 Ruffian (horse) from Wikipedia]
* [https://www.ruff-cycles.com/ruffian/ The Ruffian - eBike]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:Commercial]]
[[Category:UCI]]
[[Category:Linux]]
[[Category:WinBoard]]
[[Category:XBoard]]
[[Category:Chess960]]
[[Category:Mammal]]
[[FILE:Ruffian with her jockey Jacinto Vazquez.jpg|right|thumb| [https://en.wikipedia.org/wiki/Ruffian_%28horse%29 Ruffian] <ref>[https://en.wikipedia.org/wiki/Ruffian_%28horse%29 Ruffian] ridden by [https://en.wikipedia.org/wiki/Jacinto_V%C3%A1squez Jacinto Vásquez], Image from [http://madssmith.blogspot.com/2011/05/ruffian-racings-greatest-filly.html Horse Racing: Ruffian: Racing's Greatest Filly], [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Ruffian''',<br/>
a chess engine developed by [[Perola Valfridsson]] since 1998, which appeared in July 2002 as a surprisingly strong newcomer playing on [[Internet Chess Club|ICC]] and [[Free Internet Chess Server|FICS]] <ref>[https://www.stmintz.com/ccc/index.php?id=242402 What is Ruffian?] by [[Bas Hamstra]], [[CCC]], July 24, 2002</ref>, supporting both, the [[Chess Engine Communication Protocol]] and [[UCI]].
=Description=
With portability and performance in mind, Ruffian was written in [[C]], and used a hybrid [[Board Representation|board representation]] of [[Bitboards|bitboard]] and [[8x8 Board|8x8 board]]. It performs [[Principal Variation Search|PVS]] with [[Null Move Pruning|null move pruning]] and other [[Pruning|forward pruning]] techniques as well as a few own algorithms and tricks <ref>[http://www.top-5000.nl/int/ruffian.htm Ruffian, the replacement to ABBA], Interview with [[Perola Valfridsson]] by [[Frank Quisinsky]] et al., October, 2002, hosted by [[Ed Schroder|Ed Schröder]]</ref>. One of the major [[Evaluation|evaluation]] terms is [[Mobility|mobility]] based on pre-calculated tables considering various patterns <ref>[http://www.schachversand.de/e/detail/software/464.html Ruffian 2.0: 3 Euro] - [[Schachversand Niggemann]]</ref> <ref>[https://www.stmintz.com/ccc/index.php?id=329957 Ruffian's Secret?] by [[Steve Maughan]], [[CCC]], November 23, 2003</ref>.
=Photos=
[[FILE:ict2004win29.jpg|none|border|text-bottom|640px|link=http://old.csvn.nl/ict4tour.html]]
[[ICT 2004]] winners: [[Chrilly Donninger]], [[Erdogan Günes]] ([[Hydra]] 2nd), [[Stefan Meyer-Kahlen]] ([[Shredder]] 1st),<br/>[[Johan Havegheer]] ([[Ruffian]] 3rd), [[Vincent Diepeveen]] ([[Diep]] 3rd) <ref>[http://old.csvn.nl/ict4tour.html Photos] from the old [[CSVN]] site</ref>
=Achievements=
Ruffian was shared winner of the [[CCT5]] and lonesome winner of the [[DOCCC 2003]] supported by [[:Category:Opening Book Author|book author]] [[Đorđe Vidanović]], operated by [[Johan Havegheer]], [[Frank Quisinsky]] and [[Leo Dijksman]] <ref>[http://old.csvn.nl/partic03.html Participants 23rd Open Dutch Computer-Chess Championship 18, 19, 25, 26 Oct. 2003; Leiden, Netherlands] old [[CSVN]] site</ref> <ref>[https://www.stmintz.com/ccc/index.php?id=323778 Dutch Open Leiden final ranking - Ruffian Champion] by [[Theo van der Storm]], [[CCC]], October 26, 2003</ref>, winner of the (unofficial) Swedish Championship in 2003 <ref>[http://www.albert.nu/SMDS/ iSMDS-03 (unofficial) Swedish Championship 2003] by [[Albert Bertilsson]]</ref>, and further played a strong [[CCT6]] and [[ICT 2004]].
=Free Ruffian=
The free [[Windows]] versions 1.0 from September 2002 is still available for download from [[Ed Schroder|Ed Schröder's]] Winboard and UCI engines download site <ref>[http://www.top-5000.nl/wbuci.htm Download Winboard and UCI engines] by [[Ed Schroder|Ed Schröder]]</ref>.
=Commercial Ruffian=
In 2003, Ruffian 2 went commercial, first bundled with [[Chess Assistant]] by [[ChessOK|Convekta]], where [[Victor Zakharov]] mentions [[Dann Corbit]] was a big help <ref>[http://chessok.com/files/bobpawlak/Articles/Victor_Zakharov_b.html ChessAssistance.com A talk with Victor Zakharov, head of Convekta development, part b] by [[Robert Pawlak]], February 14, 2003</ref>, and further with the otherwise free [[Arena]] [[GUI]], CD production by [[Frank Quisinsky]] and distribution by [[Schachversand Niggemann]] <ref>[https://www.stmintz.com/ccc/index.php?id=329068 Arena 1.0 / Ruffian 2.0 ... information!] by [[Frank Quisinsky]], [[CCC]], November 21, 2003</ref>, and soon as bundle with [[ChessPartner]] by [[Lokasoft]] <ref>[https://www.stmintz.com/ccc/index.php?id=350465 Good news for Ruffian Lovers from outside europe] by [[Johan Havegheer]], [[CCC]], February 21, 2004</ref>.
Ruffian is base of the chess AI in [[Kasparov Chessmate]] <ref>[https://www.stmintz.com/ccc/index.php?id=306057 Kasparov Chessmate review] by Alastair Scott, [[CCC]], July 12, 2003</ref>, with [[Perola Valfridsson]] credited as author by [https://en.wikipedia.org/wiki/MobyGames MobyGames] <ref>[http://www.mobygames.com/developer/sheet/view/by_genre/developerId,281982/ Perola Valfridsson] from [https://en.wikipedia.org/wiki/MobyGames MobyGames]</ref>.
The initial hype about Ruffian's commercialization was apparently detrimental to its authors motivation to continue the development <ref>[https://www.stmintz.com/ccc/index.php?id=429271 Re: CSVN Leiden (Ruffian and Sjeng missing)] by [[Johan Havegheer]], [[CCC]], June 01, 2005</ref>. In conjunction with the upcoming strong free engines catching up, this was slowly but surely the fall of the commercial endeavor <ref>[http://www.schachversand.de/e/detail/software/464.html Ruffian 2.0: 3 Euro] - [[Schachversand Niggemann]]</ref>.
In May 2017, [[Frank Quisinsky]] rescued Ruffian versions 2.02 and 2.1 from their commercial burdens <ref>[http://www.talkchess.com/forum/viewtopic.php?t=63995 Ruffian support ...] by [[Frank Quisinsky]], [[CCC]], May 16, 2017</ref>.
=See also=
* [[Chester]]
* [[Kasparov Chessmate]]
* [[King of Kings]]
* [[Tinker]]
=Forum Posts=
==2002==
* [https://www.stmintz.com/ccc/index.php?id=242402 What is Ruffian?] by [[Bas Hamstra]], [[CCC]], July 24, 2002
* [https://www.stmintz.com/ccc/index.php?id=243152 Some info about Ruffian] by [[Benny Antonsson]], [[CCC]], July 29, 2002
* [https://www.stmintz.com/ccc/index.php?id=252726 Ruffian 0.76 is still playing incredible strong!] by [[Jouni Uski]], [[CCC]], September 19, 2002
* [https://www.stmintz.com/ccc/index.php?id=253512 Ruffian is here - Make your move Bob Hyatt!] by [[Peter Fendrich]], [[CCC]], September 23, 2002
* [https://www.stmintz.com/ccc/index.php?id=257897 Interview with Ruffian programmer Per-Ola Valfridsson available!] by [[Frank Quisinsky]], [[CCC]], October 09, 2002
==2003==
* [https://www.stmintz.com/ccc/index.php?id=323778 Dutch Open Leiden final ranking - Ruffian Champion] by [[Theo van der Storm]], [[CCC]], October 26, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=45030 First impression of Ruffian 1.0.5] by capgadget, [[Computer Chess Forums|Winboard Forum]], November 07, 2003
* [https://www.stmintz.com/ccc/index.php?id=329068 Arena 1.0 / Ruffian 2.0 ... information!] by [[Frank Quisinsky]], [[CCC]], November 21, 2003
* [https://www.stmintz.com/ccc/index.php?id=329957 Ruffian's Secret?] by [[Steve Maughan]], [[CCC]], November 23, 2003
* [https://www.stmintz.com/ccc/index.php?id=333338 The America/Ruffian ordeal...] by [[Slater Wold]], [[CCC]], December 03, 2003
* [https://www.stmintz.com/ccc/index.php?id=336611 Questions about Ruffian2 and other platforms] by [[Daniel Clausen]], [[CCC]], December 17, 2003
* [https://www.stmintz.com/ccc/index.php?id=337021 One more post on Ruffian 2.0] by [[Đorđe Vidanović]], [[CCC]], December 19, 2003
==2004==
* [https://www.stmintz.com/ccc/index.php?id=346058 Ruffian on a G5 isn't bad!] by George Sobala, [[CCC]], January 31, 2004
* [https://www.stmintz.com/ccc/index.php?id=348116 Ruffian 2.1.0 ...] by [[Frank Quisinsky]], [[CCC]], February 09, 2004
* [https://www.stmintz.com/ccc/index.php?id=350465 Good news for Ruffian Lovers from outside europe] by [[Johan Havegheer]], [[CCC]], February 21, 2004
* [https://www.stmintz.com/ccc/index.php?id=350771 Ruffian 2.1.0 or Ruffian 2.0.2 ...] by [[Frank Quisinsky]], [[CCC]], February 23, 2004
* [https://www.stmintz.com/ccc/index.php?id=352351 Ruffian 2.0.2 copy protection] by [[Jouni Uski]], [[CCC]], March 02, 2004
* [https://www.stmintz.com/ccc/index.php?id=356976 Ruffian's most peculiar way of pondering] by [[Peter Berger]], [[CCC]], March 27, 2004
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=429271 Re: CSVN Leiden (Ruffian and Sjeng missing)] by [[Johan Havegheer]], [[CCC]], June 01, 2005
* [https://www.stmintz.com/ccc/index.php?id=478190 SSDF(Fruit 2.2.1 - Ruffian 1.0.1)A1200, 2½-2½, ended 26-14] by [[Tony Hedlund]], [[CCC]], January 09, 2006 » [[Fruit]]
==2015 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=59543 Computer Chess Progress: Stockfish 7 vs Ruffian 1.0.5] by [[Martin Fierz]], [[CCC]], March 17, 2016 » [[Stockfish]]
* [http://www.talkchess.com/forum/viewtopic.php?t=63995 Ruffian support ...] by [[Frank Quisinsky]], [[CCC]], May 16, 2017
=External Links=
==Chess Engine==
* [http://www.playwitharena.com/?Partner_Chess_Engines:Ruffian%26nbsp%3B Ruffian] from [[Arena|Arena Chess GUI for Linux and Windows]]
* [http://www.top-5000.nl/int/ruffian.htm Ruffian, the replacement to ABBA], Interview with [[Perola Valfridsson]] by [[Frank Quisinsky]] et al., October, 2002, hosted by [[Ed Schroder|Ed Schröder]]
* [https://en.chessbase.com/post/shredder-and-ruffian-lead-in-leiden Shredder and Ruffian lead in Leiden] by [[Eric van Reem]] and [[Theo van der Storm]], [[ChessBase]], April 24, 2004 » [[ICT 2004]]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/compare_engines.cgi?family=Ruffian&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Comopp+gamenum+table&print=Overlap+table&print=Score+with+common+opponents Ruffian] in [[CCRL|CCRL 40/40]]
* [http://www.top-5000.nl/wbuci.htm Download Winboard and UCI engines] by [[Ed Schroder|Ed Schröder]]
* [http://www.amateurschach.de/main/_download.htm Frank's Chess Page, Downloads] by [[Frank Quisinsky]]
==Misc==
* [https://en.wiktionary.org/wiki/ruffian ruffian - Wiktionary]
* [https://en.wiktionary.org/wiki/ruffiano ruffiano - Wiktionary]
* [https://en.wikipedia.org/wiki/Ruffian from Wikipedia]
* [https://en.wikipedia.org/wiki/Ruffian_Games Ruffian Games from Wikipedia]
* [https://en.wikipedia.org/wiki/Ruffian_%28horse%29 Ruffian (horse) from Wikipedia]
* [https://www.ruff-cycles.com/ruffian/ The Ruffian - eBike]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:Commercial]]
[[Category:UCI]]
[[Category:Linux]]
[[Category:WinBoard]]
[[Category:XBoard]]
[[Category:Chess960]]
[[Category:Mammal]]
