Deep Thought was a computer designed to play chess. It was second in the line of chess computers developed by Feng-hsiung Hsu, starting with ChipTest and culminating in Deep Blue. Deep Thought was easily defeated in both games of a 2-game match with Kasparov in 1989 as well as in a play by email match with Michael Valvo. A BlueGene supercomputer cabinet. ... Chess is a recreational and competitive game for two players. ... This is a Chinese name; the family name is Hsu. ... ChipTest was a chess playing computer built by Feng-hsiung Hsu at Carnegie Mellon University. ... This article or section does not cite its references or sources. ... 1989 (MCMLXXXIX) was a common year starting on Sunday of the Gregorian calendar. ... Play by mail games are games, of any type, played through postal mail or e-mail. ... Michael Valvo (April 19, 1942 in New York – September 18, 2004 in Chanhassen, Minnesota) was an International Master of chess. ...

It was named after Deep Thought, a fictional computer in Douglas Adams' series, The Hitchhiker's Guide to the Galaxy. The naming of chess computers has continued in this vein with Deep Blue, Deep Fritz, Deep Junior, etc. ("Deep" here generally refers to the special ability to use multiple processing units.) There are many minor characters in the various versions of The Hitchhikers Guide to the Galaxy, by Douglas Adams. ... Douglas Noël Adams (11 March 1952 – 11 May 2001) was an English author, comic radio dramatist, and musician. ... The cover of the first novel in the Hitchhikers series, from a late 1990s printing. ... This article or section does not cite its references or sources. ... Deep Fritz is a multi-processor version of the computer chess engine Fritz written by Frans Morsch and Mathias Feist. ... Deep Junior is a computer chess program authored by the Israeli programmers Amir Ban and Shay Bushinsky. ... Multiprocessing is traditionally known as the use of multiple concurrent processes in a system as opposed to a single process at any one instant. ...

Deep Thought won the North American Computer Chess Championship in 1988 and the World Computer Chess Championship in the year 1989, and its rating, according to FIDE was 2551. Compare this to beginners at chess whose rating is below 1000, and chess grandmasters whose ratings vary at around 2500-2700. Modern world champions are rated around 2800. World Computer Chess Championship (WCCC) is an annual event where computer chess engines compete against each other. ... 1988 (MCMLXXXVIII) was a leap year starting on Friday of the Gregorian calendar. ... World Computer Chess Championship (WCCC) is an annual event where computer chess engines compete against each other. ... 1989 (MCMLXXXIX) was a common year starting on Sunday of the Gregorian calendar. ... The Fédération Internationale des Échecs or World Chess Federation is an international organization that connects the various national chess federations around the world. ...

In 1994, Deep Thought 2 won the North American Computer Chess Championship for the fifth time, with its rating estimated at around 2600. It was sponsored by IBM. Some engineers who designed Deep Thought also worked in the design of Deep Thought 2. Its algorithms were quite simple evaluation functions, but it could examine half a billion chess positions per move in tournament games, which is sufficient to reach depth of 10 or 11 moves ahead in complex positions. Despite that, using the technique of singular extensions it could also follow lines of forced moves that reach even further, which is how it once found checkmate in 37 moves. 1994 (MCMXCIV) was a common year starting on Saturday of the Gregorian calendar, and was designated as the International Year of the Family and the International Year of the Sport and the Olympic Ideal by United Nations. ... World Computer Chess Championship (WCCC) is an annual event where computer chess engines compete against each other. ... International Business Machines Corporation (known as IBM or Big Blue; NYSE: IBM) is a multinational computer technology corporation headquartered in Armonk, New York, USA. The company is one of the few information technology companies with a continuous history dating back to the 19th century. ...

	Preceding:	ChipTest
	Subsequent:	Deep Blue

Image File history File links Steps. ... ChipTest was a chess playing computer built by Feng-hsiung Hsu at Carnegie Mellon University. ... This article or section does not cite its references or sources. ...

See also

• Computer chess