SOS

toc =Tournaments= SOS has its debut at Don Beal's 1993 QMW Uniform-Platform Computer Chess Championship. It further played various World Microcomputer Chess and World Computer Chess Championships, the WMCCC 1993, WCCC 1995, WMCCC 1997, WCCC 1999, and the WMCCC 2000, where SOS won the title of the Amateur World Microcomputer Chess Champion. ParSOS continued playing the WMCCC 2001, WCCC 2002, WCCC 2003, WCCC 2004 and the WCCC 2006. SOS played most IPCCCs, and also competed at International CSVN Tournaments.
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 * [[image:Silicon_on_Sapphire_-_gate_stack_DE.svg.png width="280" height="140" link="http://de.wikipedia.org/wiki/Silicon_on_Sapphire"]] ||~  || **SOS** is a chess program developed and written by Rudolf Huber in C. In its early times in the mid 90s, SOS running on various platforms and operating systems had an own futuristic graphical user interface. SOS supported the Chess Engine Communication Protocol, was available as Young Talent by ChessBase running under the Fritz6 GUI , and since Rudolf is co-designer of the protocol, it finally changed to UCI , and is a //Partner Chess Engine// of Arena  . SOS evolved from PVS to MTD(f) and further as ParSOS to parallel MTD(f). ||
 * [|Silicon on Sapphire] ||~  ||^   ||

=Descriptions=

1999


=Forum Posts=
 * [|New Winboard engine, SOS by Rudolf Huber, Germany !] by Frank Quisinsky, Winboard Forum, 27 October 1999
 * [|Chess knowledge (eg: SOS)] by ujecrh, CCC, March 30, 2000
 * [|Testing SOS (Chessbase engine) = Extremely strong!!] by Tomas Casanovas Martinez, CCC, June 18, 2000
 * [|Re: Question about SOS] by Andrew Williams, CCC, June 19, 2000
 * [|SSDF(Crafty 17.07 - SOS)AMD K6-2 450, 1-5.] by Tony Hedlund, CCC, August 19, 2000
 * [|SOS is amateur WMCC 2000 with 5.5 point out of 9] by Jorge Pichard, CCC, August 26, 2000
 * [|Goliath Light, Gromit, Patzer, SOS, etc. commercially sold] by Theo van der Storm, CCC, August 28, 2001
 * [|Stalemate trap(SOS-Delfi)] by George Lyapko, Winboard Forum, December 18, 2001 » Stalemate, Test-Positions, Delfi
 * [|The new UCI / WB GUI Arena is available with UCI Arena SOS ..] by Frank Quisinsky, CCC, January 18, 2002
 * [|After ELChinito 3.25 on Christmas now SOS.4 on New Years day!] by Frank Quisinsky, CCC, January 01, 2004 » Chinito

=External Links=

Chess Engine

 * [|SOS' ICGA Tournaments]
 * [|Arena Chess GUI 3.0 - SOS]
 * [|Interview with SOS programmer Rudolf Huber in German language!] by Frank Quisinsky, Arena Chess GUI 3.0 - Archive 9, 132, May 10, 2005
 * [|SOS] from WBEC Ridderkerk

Misc

 * [|New In Chess - Secrets of Opening Surprises (SOS)] by [|Jeroen Bosch]
 * [|Buchholz_system - SOS: Sum of Opponent Scores from Wikipedia]
 * [|SOS - Wiktionary]
 * [|SOS from Wikipedia] (· · · — — — · · ·)
 * [|SOS (disambiguation) from Wikipedia]
 * [|Apple SOS from Wikipedia]
 * [|SOS (game) from Wikipedia]

=References= =What links here?= include page="SOS" component="backlinks" limit="60"
 * Up one level**