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SSDF
,Created page with "'''Home * Organizations * SSDF''' '''Home * Engines * Rating Lists * SSDF''' FILE:Ssdf.gif|border|right|thumb|li..."
'''[[Main Page|Home]] * [[Organizations]] * SSDF'''
'''[[Main Page|Home]] * [[Engines]] * [[Engine Rating Lists|Rating Lists]] * SSDF'''
[[FILE:Ssdf.gif|border|right|thumb|link=http://ssdf.bosjo.net/ssdf.htm| SSDF Logo <ref>[http://ssdf.bosjo.net/ssdf.htm Svenska schackdatorföreningen (SSDF)</ref> ]]
The '''SSDF''' - '''S'''venska '''s'''chack'''d'''ator'''f'''öreningen, the Swedish Chess Computer Association, is an organization that tests computer chess software by playing chess programs against one another and producing a rating list. The forerunner of the SSDF was founded in [[Timeline#1979|1979]] by [[Johan Enroth]] in conjunction with the publication of the [[PLY (Magazine)|PLY Magazine]] <ref>[http://privat.bahnhof.se/wb432434/historik.htm PLY/SSDF – the story]</ref>. Enroth served as first president and was also Vice-President of the [[ICCA]] in the 80s. Initiated by [[Göran Grottling]] <ref>[http://privat.bahnhof.se/wb432434/historik.htm#1997 PLY/SSDF – the story - 1997]</ref>, the SSDF was founded with the purpose to coordinate the interest for computerchess and chesscomputers in Sweden, and to release PLY. [[Thoralf Karlsson]] became chairman until 2013 when he was superseded by [[Lars Sandin]]. In 1998, the PLY Magazine was ceased.
=Board of the SSDF=
==2009==
* [[Thoralf Karlsson]] - Chairman
* [[Gunnar Blomstrand]] - Treasurer
* [[Bo Sjögren]] - Webmaster
==2015==
* [[Lars Sandin]] - Chairman, responsible for the rating list <ref>[http://ssdf.bosjo.net/ssdf.htm#member Svenska schackdatorföreningen (SSDF) - Membership info]</ref>
* [[Gunnar Blomstrand]] - Treasurer
* [[Bo Sjögren]] - Webmaster
* [[Tony Hedlund]] <ref>[http://privat.bahnhof.se/wb432434/welcome.htm Tony's Chess site]</ref> administrates a database of test games. Games can be downloaded in [[ChessBase (Database)|ChessBase]] and [[Portable Game Notation|PGN]] format.
=Stockholm Micro Computer Chess Tournaments=
''organized by the Swedish [[ICCA]], forerunner of the SSDF''
* [[Stockholm MCCT 1979|First Stockholm Micro Computer Chess Tournament 1979]]
* [[Stockholm MCCT 1980|Second Stockholm Micro Computer Chess Tournament 1980]]
* [[Stockholm MCCT 1981|Third Stockholm Micro Computer Chess Tournament 1981]]
=Rating Calibration=
In the beginning a lot of calibrations were done to match human ratings <ref>[http://privat.bahnhof.se/wb432434/historik.htm PLY/SSDF – the story]</ref> :
{| class="wikitable"
|-
! Year
! Calibration
|-
! 1985
| To the next list the level is lowered with 49 points
|-
!
| The level is lowered with 23 points more
|-
! 1986
| Once again the level is lowered, this time with 17-22 points
|-
! 1987
| The lists level is lowered with about 3 points
|-
! 1988
| The ratinglist is lowered with about 18 points
|-
! 1989
| The level on the ratinglist gets a huge lowering with about 70 points
|-
! 2000
| Computers ratings lowered by 100 points again because the top is too high compare to humans
|}
=See also=
* [[Engine Rating Lists]]
* [[Tony Hedlund#CCN|Tony's Computer Chess Newsletter]] by [[Tony Hedlund]]
=Ratings=
* [https://en.wikipedia.org/wiki/Swedish_Chess_Computer_Association#Rating_list_year-end_leaders Leaders year by year from Wikipedia]
==1984 ...==
* 30 lists from 1996 to 2000 [http://home.scarlet.be/vincentlejeune/SSDF/ here] and [http://www.oocities.org/marochess/ssdf/ssdf.htm here (with ad)]
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/c646762dcd3b61e The SSDF Rating List 6/95] by [[Göran Grottling]], [[Computer Chess Forums|rgcc]], September 08, 1995
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/968602dbc6420783 The Swedish Ratinglist 1/96 (1/2)] by [[Göran Grottling]], [[Computer Chess Forums|rgcc]], January 07, 1996
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/1f123a6f228d5066 The Swedish Ratinglist - Long version!] by [[Göran Grottling]], [[Computer Chess Forums|rgcc]], January 07, 1996
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/67fff9e7bbc34f89 New SSDF rating list] by [[Andreas Mader]], [[Computer Chess Forums|rgcc]], April 28, 1997
* [https://www.stmintz.com/ccc/index.php?id=26574 SSDF list 9/98] by [[Enrique Irazoqui]], [[CCC]], September 14, 1998
==2000 ...==
* [https://www.stmintz.com/ccc/index.php?id=123012 SSDF Rating List 2000-08-04] by [[Enrique Irazoqui]], [[CCC]], August 4, 2000 (ratings lowered by 100 points)
* [https://www.stmintz.com/ccc/index.php?id=174822 SSDF Rating List 2001-06-11] by [[Thoralf Karlsson]], [[CCC]], June 12, 2001
* [http://www.chessbase.com/newsdetail.asp?newsid=25 SSDF Rating List 2001-10-02], [[ChessBase]], October 01, 2001
* [https://www.stmintz.com/ccc/index.php?id=213734 SSDF Rating List 2002-02-15] by [[Thoralf Karlsson]], [[CCC]], February 16, 2002
* [http://en.chessbase.com/post/fritz-comes-second-just-behind-deep-fritz SSDF Rating List 2003-01-16], [[ChessBase]], January 17, 2003
* [http://www.chessbase.com/newsdetail.asp?newsid=796 SSDF Rating List 2003-02-13], [[ChessBase]], February 13, 2003
* [https://www.stmintz.com/ccc/index.php?id=351280 SSDF Rating List 2004-02-25] by [[Thoralf Karlsson]], [[chessprogramming/CCC|CCC]], February 25, 2004
* [https://www.stmintz.com/ccc/index.php?id=403425 SSDF Rating List 2004-12-31] by [[Thoralf Karlsson]], [[chessprogramming/CCC|CCC]], December 31, 2004
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=414360 SSDF Rating List 2005-02-25] by [[Thoralf Karlsson]], [[chessprogramming/CCC|CCC]], February 26, 2005
* [https://www.stmintz.com/ccc/index.php?id=485608 SSDF Rating List 2006-02-10] by [[Thoralf Karlsson]], [[CCC]], February 10, 2006
* <span class="wiki_link_ext">[http://www.anacadigital.com/ssdfratinglist.html SSDF Rating List ]</span>[http://www.anacadigital.com/ssdfratinglist.html 2006-11-24] Archives
* [http://www.talkchess.com/forum/viewtopic.php?t=13289 SSDF Rating List 2007-04-21] by [[Thoralf Karlsson]], [[CCC]], April 21, 2007
* [http://www.talkchess.com/forum/viewtopic.php?t=17569 SSDF Rating List 2007-11-03] by [[Thoralf Karlsson]], [[CCC]], November 03, 2007
* [http://www.talkchess.com/forum/viewtopic.php?t=23997 SSDF Rating List 2008-09-26] by [[Thoralf Karlsson]], [[CCC]], September 26, 2008
* [http://www.hiarcs.net/forums/viewtopic.php?t=1775 SSDF Rating List 2008-09-26] by [[Tony Hedlund]], [[Computer Chess Forums|Hiarcs Forum]], October 09, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=26072 SSDF Rating List 2009-01-16] by [[Thoralf Karlsson]], [[CCC]], January 16, 2009
* [http://www.talkchess.com/forum/viewtopic.php?t=27398 SSDF Rating List 2009-04-10] by [[Thoralf Karlsson]], [[CCC]], April 10, 2009
* [http://www.talkchess.com/forum/viewtopic.php?t=29829 SSDF Rating List 2009-09-20] by [[Thoralf Karlsson]], [[CCC]], September 21, 2009
==2010 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=33396 SSDF Rating List 2010-03-21] by [[Thoralf Karlsson]], [[CCC]], March 21, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=36023 SSDF Rating List 2010-09-09] by [[Thoralf Karlsson]], [[CCC]], September 09, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=39060 SSDF Rating List 2011-05-11] by [[Thoralf Karlsson]], [[CCC]], May 12, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=44222 SSDF Rating List 2012-06-28] by [[Thoralf Karlsson]], [[CCC]], June 28, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=47647 SSDF Rating List 2013-03-23] by [[Lars Sandin]], [[CCC]], March 30, 2013
* [http://www.talkchess.com/forum/viewtopic.php?t=50058 SSDF Rating List 2013-11-11] by [[Lars Sandin]], [[CCC]], November 13, 2013
* [http://www.talkchess.com/forum/viewtopic.php?t=52336 SSDF Rating List 2014-05-12] by [[Lars Sandin]], [[CCC]], May 16, 2014
* [http://www.talkchess.com/forum/viewtopic.php?t=54617 SSDF Rating List 2014-12-11] by [[Lars Sandin]], [[CCC]], December 11, 2014
==2015 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=55793 SSDF Rating List 2015-03-26] by [[Lars Sandin]], [[CCC]], March 26, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=57260 THE SSDF RATING LIST 2015-08-13] by [[Lars Sandin]], [[CCC]], August 13, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=59208 THE SSDF RATING LIST 2016-02-10] by [[Lars Sandin]], [[CCC]], February 10, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=61114 THE SSDF RATING LIST 2016-08-13] by [[Lars Sandin]], [[CCC]], August 13, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=63191 THE SSDF RATING LIST 2017-02-15] by [[Lars Sandin]], [[CCC]], February 15, 2017
* [http://www.talkchess.com/forum/viewtopic.php?t=64742 THE SSDF RATING LIST 2017-07-27] by [[Lars Sandin]], [[CCC]], July 27, 2017
=Forum Posts=
* [https://groups.google.com/d/msg/rec.games.chess.computer/Q0RNJrjhj4M/KTaY6xW-OvkJ Fritz 4 and the SSDF] by [[Moritz Berger]], [[Computer Chess Forums|rgcc]], June 27, 1996 » [[Fritz]]
* [https://groups.google.com/d/msg/rec.games.chess.computer/azA2sPMuZ08/GxdwWhA37hAJ Why no Virtual Chess included in SSDF?] by Saran Maitreiwech, [[Computer Chess Forums|rgcc]], January 01, 1997 » [[Virtual Chess]]
* [https://www.stmintz.com/ccc/index.php?id=15553 Open letter to the SSDF] by [[Ossi Weiner]], [[CCC]], March 10, 1998
* [https://www.stmintz.com/ccc/index.php?id=16851 Proposal: New testing methods for SSDF (1)] by [[Jeroen Noomen]], [[CCC]], April 13, 1998
* [https://www.stmintz.com/ccc/index.php?id=105328 Shredder in the SSDF list] by [[Stefan Meyer-Kahlen]], [[CCC]], April 10, 2000 » [[Shredder]]
* [http://www.talkchess.com/forum/viewtopic.php?t=64743 In case you missed it: SSDF, shiny new hardware...] by [[Dann Corbit]], [[CCC]], July 28, 2017
=External Links=
* [http://ssdf.bosjo.net/ssdf.htm Svenska schackdatorföreningen (SSDF)]
* [http://ssdf.bosjo.net/list.htm The SSDF Rating List]
* [https://en.wikipedia.org/wiki/Swedish_Chess_Computer_Association Swedish Chess Computer Association from Wikipedia]
: [https://en.wikipedia.org/wiki/Swedish_Chess_Computer_Association#Rating_list_year-end_leaders SSDF Leaders year by year]
* [http://privat.bahnhof.se/wb432434/historik.htm PLY/SSDF – the story]
* [http://www.chessusa.com/SSDF_FAQ.html SSDF Chess Rating FAQ] from [[ChessUSA]]
* [http://www.rebel.nl/claudio4.htm The Mecca of Chess Programs] by [[Claudio Bollini]], hosted by [[Ed Schroder|Ed Schröder]]
* [http://www.chessbase.com/newsdetail.asp?newsid=724 Fritz comes second, just behind Deep Fritz - SSDF Rating List], [[ChessBase|ChessBase News]], January 17, 2003
* [http://www.schachcomputer.info/html/body_ssdf.html Dedicated Chess Computers - SSDF list (1992)] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]
=References=
<references />
'''[[Organizations|Up one level]]'''
'''[[Main Page|Home]] * [[Engines]] * [[Engine Rating Lists|Rating Lists]] * SSDF'''
[[FILE:Ssdf.gif|border|right|thumb|link=http://ssdf.bosjo.net/ssdf.htm| SSDF Logo <ref>[http://ssdf.bosjo.net/ssdf.htm Svenska schackdatorföreningen (SSDF)</ref> ]]
The '''SSDF''' - '''S'''venska '''s'''chack'''d'''ator'''f'''öreningen, the Swedish Chess Computer Association, is an organization that tests computer chess software by playing chess programs against one another and producing a rating list. The forerunner of the SSDF was founded in [[Timeline#1979|1979]] by [[Johan Enroth]] in conjunction with the publication of the [[PLY (Magazine)|PLY Magazine]] <ref>[http://privat.bahnhof.se/wb432434/historik.htm PLY/SSDF – the story]</ref>. Enroth served as first president and was also Vice-President of the [[ICCA]] in the 80s. Initiated by [[Göran Grottling]] <ref>[http://privat.bahnhof.se/wb432434/historik.htm#1997 PLY/SSDF – the story - 1997]</ref>, the SSDF was founded with the purpose to coordinate the interest for computerchess and chesscomputers in Sweden, and to release PLY. [[Thoralf Karlsson]] became chairman until 2013 when he was superseded by [[Lars Sandin]]. In 1998, the PLY Magazine was ceased.
=Board of the SSDF=
==2009==
* [[Thoralf Karlsson]] - Chairman
* [[Gunnar Blomstrand]] - Treasurer
* [[Bo Sjögren]] - Webmaster
==2015==
* [[Lars Sandin]] - Chairman, responsible for the rating list <ref>[http://ssdf.bosjo.net/ssdf.htm#member Svenska schackdatorföreningen (SSDF) - Membership info]</ref>
* [[Gunnar Blomstrand]] - Treasurer
* [[Bo Sjögren]] - Webmaster
* [[Tony Hedlund]] <ref>[http://privat.bahnhof.se/wb432434/welcome.htm Tony's Chess site]</ref> administrates a database of test games. Games can be downloaded in [[ChessBase (Database)|ChessBase]] and [[Portable Game Notation|PGN]] format.
=Stockholm Micro Computer Chess Tournaments=
''organized by the Swedish [[ICCA]], forerunner of the SSDF''
* [[Stockholm MCCT 1979|First Stockholm Micro Computer Chess Tournament 1979]]
* [[Stockholm MCCT 1980|Second Stockholm Micro Computer Chess Tournament 1980]]
* [[Stockholm MCCT 1981|Third Stockholm Micro Computer Chess Tournament 1981]]
=Rating Calibration=
In the beginning a lot of calibrations were done to match human ratings <ref>[http://privat.bahnhof.se/wb432434/historik.htm PLY/SSDF – the story]</ref> :
{| class="wikitable"
|-
! Year
! Calibration
|-
! 1985
| To the next list the level is lowered with 49 points
|-
!
| The level is lowered with 23 points more
|-
! 1986
| Once again the level is lowered, this time with 17-22 points
|-
! 1987
| The lists level is lowered with about 3 points
|-
! 1988
| The ratinglist is lowered with about 18 points
|-
! 1989
| The level on the ratinglist gets a huge lowering with about 70 points
|-
! 2000
| Computers ratings lowered by 100 points again because the top is too high compare to humans
|}
=See also=
* [[Engine Rating Lists]]
* [[Tony Hedlund#CCN|Tony's Computer Chess Newsletter]] by [[Tony Hedlund]]
=Ratings=
* [https://en.wikipedia.org/wiki/Swedish_Chess_Computer_Association#Rating_list_year-end_leaders Leaders year by year from Wikipedia]
==1984 ...==
* 30 lists from 1996 to 2000 [http://home.scarlet.be/vincentlejeune/SSDF/ here] and [http://www.oocities.org/marochess/ssdf/ssdf.htm here (with ad)]
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/c646762dcd3b61e The SSDF Rating List 6/95] by [[Göran Grottling]], [[Computer Chess Forums|rgcc]], September 08, 1995
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/968602dbc6420783 The Swedish Ratinglist 1/96 (1/2)] by [[Göran Grottling]], [[Computer Chess Forums|rgcc]], January 07, 1996
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/1f123a6f228d5066 The Swedish Ratinglist - Long version!] by [[Göran Grottling]], [[Computer Chess Forums|rgcc]], January 07, 1996
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/67fff9e7bbc34f89 New SSDF rating list] by [[Andreas Mader]], [[Computer Chess Forums|rgcc]], April 28, 1997
* [https://www.stmintz.com/ccc/index.php?id=26574 SSDF list 9/98] by [[Enrique Irazoqui]], [[CCC]], September 14, 1998
==2000 ...==
* [https://www.stmintz.com/ccc/index.php?id=123012 SSDF Rating List 2000-08-04] by [[Enrique Irazoqui]], [[CCC]], August 4, 2000 (ratings lowered by 100 points)
* [https://www.stmintz.com/ccc/index.php?id=174822 SSDF Rating List 2001-06-11] by [[Thoralf Karlsson]], [[CCC]], June 12, 2001
* [http://www.chessbase.com/newsdetail.asp?newsid=25 SSDF Rating List 2001-10-02], [[ChessBase]], October 01, 2001
* [https://www.stmintz.com/ccc/index.php?id=213734 SSDF Rating List 2002-02-15] by [[Thoralf Karlsson]], [[CCC]], February 16, 2002
* [http://en.chessbase.com/post/fritz-comes-second-just-behind-deep-fritz SSDF Rating List 2003-01-16], [[ChessBase]], January 17, 2003
* [http://www.chessbase.com/newsdetail.asp?newsid=796 SSDF Rating List 2003-02-13], [[ChessBase]], February 13, 2003
* [https://www.stmintz.com/ccc/index.php?id=351280 SSDF Rating List 2004-02-25] by [[Thoralf Karlsson]], [[chessprogramming/CCC|CCC]], February 25, 2004
* [https://www.stmintz.com/ccc/index.php?id=403425 SSDF Rating List 2004-12-31] by [[Thoralf Karlsson]], [[chessprogramming/CCC|CCC]], December 31, 2004
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=414360 SSDF Rating List 2005-02-25] by [[Thoralf Karlsson]], [[chessprogramming/CCC|CCC]], February 26, 2005
* [https://www.stmintz.com/ccc/index.php?id=485608 SSDF Rating List 2006-02-10] by [[Thoralf Karlsson]], [[CCC]], February 10, 2006
* <span class="wiki_link_ext">[http://www.anacadigital.com/ssdfratinglist.html SSDF Rating List ]</span>[http://www.anacadigital.com/ssdfratinglist.html 2006-11-24] Archives
* [http://www.talkchess.com/forum/viewtopic.php?t=13289 SSDF Rating List 2007-04-21] by [[Thoralf Karlsson]], [[CCC]], April 21, 2007
* [http://www.talkchess.com/forum/viewtopic.php?t=17569 SSDF Rating List 2007-11-03] by [[Thoralf Karlsson]], [[CCC]], November 03, 2007
* [http://www.talkchess.com/forum/viewtopic.php?t=23997 SSDF Rating List 2008-09-26] by [[Thoralf Karlsson]], [[CCC]], September 26, 2008
* [http://www.hiarcs.net/forums/viewtopic.php?t=1775 SSDF Rating List 2008-09-26] by [[Tony Hedlund]], [[Computer Chess Forums|Hiarcs Forum]], October 09, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=26072 SSDF Rating List 2009-01-16] by [[Thoralf Karlsson]], [[CCC]], January 16, 2009
* [http://www.talkchess.com/forum/viewtopic.php?t=27398 SSDF Rating List 2009-04-10] by [[Thoralf Karlsson]], [[CCC]], April 10, 2009
* [http://www.talkchess.com/forum/viewtopic.php?t=29829 SSDF Rating List 2009-09-20] by [[Thoralf Karlsson]], [[CCC]], September 21, 2009
==2010 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=33396 SSDF Rating List 2010-03-21] by [[Thoralf Karlsson]], [[CCC]], March 21, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=36023 SSDF Rating List 2010-09-09] by [[Thoralf Karlsson]], [[CCC]], September 09, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=39060 SSDF Rating List 2011-05-11] by [[Thoralf Karlsson]], [[CCC]], May 12, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=44222 SSDF Rating List 2012-06-28] by [[Thoralf Karlsson]], [[CCC]], June 28, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=47647 SSDF Rating List 2013-03-23] by [[Lars Sandin]], [[CCC]], March 30, 2013
* [http://www.talkchess.com/forum/viewtopic.php?t=50058 SSDF Rating List 2013-11-11] by [[Lars Sandin]], [[CCC]], November 13, 2013
* [http://www.talkchess.com/forum/viewtopic.php?t=52336 SSDF Rating List 2014-05-12] by [[Lars Sandin]], [[CCC]], May 16, 2014
* [http://www.talkchess.com/forum/viewtopic.php?t=54617 SSDF Rating List 2014-12-11] by [[Lars Sandin]], [[CCC]], December 11, 2014
==2015 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=55793 SSDF Rating List 2015-03-26] by [[Lars Sandin]], [[CCC]], March 26, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=57260 THE SSDF RATING LIST 2015-08-13] by [[Lars Sandin]], [[CCC]], August 13, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=59208 THE SSDF RATING LIST 2016-02-10] by [[Lars Sandin]], [[CCC]], February 10, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=61114 THE SSDF RATING LIST 2016-08-13] by [[Lars Sandin]], [[CCC]], August 13, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=63191 THE SSDF RATING LIST 2017-02-15] by [[Lars Sandin]], [[CCC]], February 15, 2017
* [http://www.talkchess.com/forum/viewtopic.php?t=64742 THE SSDF RATING LIST 2017-07-27] by [[Lars Sandin]], [[CCC]], July 27, 2017
=Forum Posts=
* [https://groups.google.com/d/msg/rec.games.chess.computer/Q0RNJrjhj4M/KTaY6xW-OvkJ Fritz 4 and the SSDF] by [[Moritz Berger]], [[Computer Chess Forums|rgcc]], June 27, 1996 » [[Fritz]]
* [https://groups.google.com/d/msg/rec.games.chess.computer/azA2sPMuZ08/GxdwWhA37hAJ Why no Virtual Chess included in SSDF?] by Saran Maitreiwech, [[Computer Chess Forums|rgcc]], January 01, 1997 » [[Virtual Chess]]
* [https://www.stmintz.com/ccc/index.php?id=15553 Open letter to the SSDF] by [[Ossi Weiner]], [[CCC]], March 10, 1998
* [https://www.stmintz.com/ccc/index.php?id=16851 Proposal: New testing methods for SSDF (1)] by [[Jeroen Noomen]], [[CCC]], April 13, 1998
* [https://www.stmintz.com/ccc/index.php?id=105328 Shredder in the SSDF list] by [[Stefan Meyer-Kahlen]], [[CCC]], April 10, 2000 » [[Shredder]]
* [http://www.talkchess.com/forum/viewtopic.php?t=64743 In case you missed it: SSDF, shiny new hardware...] by [[Dann Corbit]], [[CCC]], July 28, 2017
=External Links=
* [http://ssdf.bosjo.net/ssdf.htm Svenska schackdatorföreningen (SSDF)]
* [http://ssdf.bosjo.net/list.htm The SSDF Rating List]
* [https://en.wikipedia.org/wiki/Swedish_Chess_Computer_Association Swedish Chess Computer Association from Wikipedia]
: [https://en.wikipedia.org/wiki/Swedish_Chess_Computer_Association#Rating_list_year-end_leaders SSDF Leaders year by year]
* [http://privat.bahnhof.se/wb432434/historik.htm PLY/SSDF – the story]
* [http://www.chessusa.com/SSDF_FAQ.html SSDF Chess Rating FAQ] from [[ChessUSA]]
* [http://www.rebel.nl/claudio4.htm The Mecca of Chess Programs] by [[Claudio Bollini]], hosted by [[Ed Schroder|Ed Schröder]]
* [http://www.chessbase.com/newsdetail.asp?newsid=724 Fritz comes second, just behind Deep Fritz - SSDF Rating List], [[ChessBase|ChessBase News]], January 17, 2003
* [http://www.schachcomputer.info/html/body_ssdf.html Dedicated Chess Computers - SSDF list (1992)] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]
=References=
<references />
'''[[Organizations|Up one level]]'''
