Deep Thought

E382928

chess computer computer chess system

Deep Thought was an early IBM-developed chess computer that became famous for competing at a grandmaster level, including high-profile matches against world champion Garry Kasparov.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
Deep Thought canonical	2
Deep Thought (fictional computer in The Hitchhiker’s Guide to the Galaxy)	1
Deep Thought II	1

How this entity was disambiguated

This entity first appeared as the object of triple T3708910 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Deep Thought
Context triple: [Garry Kasparov, playedMatchAgainst, Deep Thought]

A. Life, the Universe and Everything
Life, the Universe and Everything is the third comedic science fiction novel in Douglas Adams's Hitchhiker's Guide to the Galaxy series, continuing the absurd adventures of Arthur Dent and his companions.
B. Marvin the Paranoid Android
Marvin the Paranoid Android is a chronically depressed, hyper-intelligent robot from Douglas Adams' science fiction comedy series "The Hitchhiker's Guide to the Galaxy."
C. The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy is a comedic science fiction series following the misadventures of an unwitting human and his alien friend as they travel through an absurd and satirical universe.
D. Mostly Harmless
Mostly Harmless is the fifth and final novel in Douglas Adams's comic science fiction series The Hitchhiker's Guide to the Galaxy, continuing the misadventures of Arthur Dent in an absurd and satirical universe.
E. The Nine Billion Names of God
"The Nine Billion Names of God" is a classic science fiction short story by Arthur C. Clarke that explores themes of religion, technology, and the end of the universe through a Tibetan monastery's quest to list all possible names of God.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Deep Thought
Target entity description: Deep Thought was an early IBM-developed chess computer that became famous for competing at a grandmaster level, including high-profile matches against world champion Garry Kasparov.

A. Life, the Universe and Everything
Life, the Universe and Everything is the third comedic science fiction novel in Douglas Adams's Hitchhiker's Guide to the Galaxy series, continuing the absurd adventures of Arthur Dent and his companions.
B. Marvin the Paranoid Android
Marvin the Paranoid Android is a chronically depressed, hyper-intelligent robot from Douglas Adams' science fiction comedy series "The Hitchhiker's Guide to the Galaxy."
C. The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy is a comedic science fiction series following the misadventures of an unwitting human and his alien friend as they travel through an absurd and satirical universe.
D. Mostly Harmless
Mostly Harmless is the fifth and final novel in Douglas Adams's comic science fiction series The Hitchhiker's Guide to the Galaxy, continuing the misadventures of Arthur Dent in an absurd and satirical universe.
E. The Nine Billion Names of God
"The Nine Billion Names of God" is a classic science fiction short story by Arthur C. Clarke that explores themes of religion, technology, and the end of the universe through a Tibetan monastery's quest to list all possible names of God.
F. None of above. chosen

Statements (38)

Predicate	Object
instanceOf	chess computer ⓘ computer chess system ⓘ
achievement	won the 1989 World Computer Chess Championship ⓘ
basedOn	ChipTest project ⓘ
competition	World Computer Chess Championship ⓘ
computingParadigm	specialized hardware acceleration ⓘ
countryOfOrigin	United States ⓘ linked to: United States of America
designedFor	high-speed chess position evaluation ⓘ
developer	Feng-hsiung Hsu ⓘ IBM ⓘ Murray Campbell ⓘ Thomas Anantharaman ⓘ
EloRating	around 2550 ⓘ
era	late 1980s ⓘ
evaluationFunction	hand-crafted chess evaluation heuristics ⓘ
field	artificial intelligence ⓘ computer chess ⓘ
genre	dedicated chess hardware ⓘ
hardwareType	parallel computing system ⓘ
influenced	Deep Blue ⓘ
inspiredBy	Deep Thought (fictional computer in The Hitchhiker’s Guide to the Galaxy) ⓘ linked to: Deep Thought
legacy	foundation for IBM’s later world-champion computer Deep Blue ⓘ milestone in computer vs. human world champion chess matches ⓘ
nameOrigin	named after the fictional computer Deep Thought ⓘ
notableFor	competing at grandmaster level in chess ⓘ high-profile matches against Garry Kasparov ⓘ influencing the development of IBM Deep Blue ⓘ
notableMatch	exhibition games versus Garry Kasparov in 1989 ⓘ
organization	IBM Thomas J. Watson Research Center ⓘ
playedAgainst	Garry Kasparov ⓘ various human grandmasters ⓘ
programmingLanguage	C (core search code) ⓘ
searchDepth	capable of searching many plies deep using hardware support ⓘ
searchTechnique	alpha–beta pruning ⓘ brute-force search ⓘ
successor	Deep Blue ⓘ Deep Thought II ⓘ linked to: Deep Thought
uses	special-purpose chess chips ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Garry Kasparov → playedMatchAgainst → Deep Thought ⓘ

Deep Blue → inspiredBy → Deep Thought ⓘ

Deep Thought → successor → Deep Thought II ⓘ

linked to: Deep Thought

Deep Thought → inspiredBy → Deep Thought (fictional computer in The Hitchhiker’s Guide to the Galaxy) ⓘ