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John Denis Martin Nunn (born April 25, 1955) is an English chess player and mathematician. April 25 is the 115th day of the year in the Gregorian Calendar (116th in leap years). ...
1955 (MCMLV) was a common year starting on Saturday of the Gregorian calendar. ...
Royal motto (French): Dieu et mon droit (Translated: God and my right) Englands location (dark green) within the British Isles Languages English (de facto) Capital London de facto Largest city London Area – Total Ranked 1st UK 130,395 km² Population – Total (mid-2004) – Total (2001 Census) – Density Ranked 1st...
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One of England's strongest players, and once in the world's top ten, Nunn has won several individual gold medals at Chess Olympiads. He gained the International Grandmaster title in 1978 and in the same year was awarded his doctorate in mathematics by University of Oxford for a thesis on finite H-spaces. In 1989 he finished sixth in the inaugural (and only) World Cup, a series of tournaments in which the top 25 players in the world competed. His best performance in the World Chess Championship came in 1987, when he lost a playoff match against Lajos Portisch for a place in the Candidates Tournament. The Chess Olympiad is a chess event which has been officially organised by FIDE since 1927 and takes place every second year. ...
The title International Grandmaster is awarded to world-class chess masters by the world chess organization FIDE. Apart from World Champion, Grandmaster is the highest title a chess player can attain. ...
The University of Oxford, located in the city of Oxford, England, is the oldest university in the English-speaking world. ...
In mathematics, an H-space is a topological space X (generally assumed to be connected) together with a continuous map μ : X × X → X with an identity element e so that μ(e, x) = μ(x, e) = x for all x in X. Alternatively, the maps μ(e, x) and...
The World Chess Championship is played to determine the World Champion in the board game chess. ...
As well as being a strong player, Nunn is regarded as one of the best contemporary authors of chess books. He has penned many volumes, including Secrets of Grandmaster Chess which won the British Chess Federation Book of the Year award in 1988 and John Nunn's Best Games which took the award in 1995. He is the director of chess publishers Gambit Publications. The British Chess Federation (BCF) was the governing body of chess in England from 1904 until 2005. ...
Nunn is also involved with chess problems, composing several examples and solving as part of the British team on several occasions. On this subject he wrote Solving in Style (1985). He won the World Chess Solving Championship in Halkidiki, Greece, in September 2004 and also made his final GM norm in problem solving. He is the third person ever to gain both over-the-board and solving GM titles (the others being Jonathan Mestel and Ram Soffer). Sam Loyd, London Era, 1861 Excelsior by Sam Loyd. ...
The World Chess Solving Championship (WCSC) is an annual competition in the solving of chess problems organised by FIDE via the Permanent Commission of the FIDE for Chess Compositions (PCCC). ...
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Since the mid-1990s Nunn has been actively working on data mining from chess endgame tablebases. The offshoots of this ongoing work include the book Secrets Of Chess Endings and the series of books generically names Secrets Of ____ Endings, e.g. Secrets Of Pawnless Endings. These books include human-usable endgame strategies found by Nunn (and others) by extensive experimentation with tablebases, and new editions have come out and are due as more tablebases are created and tablebases are more deeply data-mined. Nunn is thus as of 2004 the foremost data miner of chess endgame tablebases. This work corresponds to the endgame part of the work of Berlekamp, Conway et al in dots-and-boxes, Hex and other games. Data Mining, also known as Knowledge-Discovery in Databases (KDD), is the process of automatically searching large volumes of data for patterns. ...
In chess, the endgame (or end game or ending) refers to the stage of the game when there are few pieces left on the board. ...
In chess, a tablebase is a database containing the win/loss status of every possible position of pieces in the endgame. ...
Elwyn Ralph Berlekamp is professor of mathematics at University of California, Berkeley. ...
John Horton Conway (born December 26, 1937, Liverpool, England) is a prolific mathematician active in the theory of finite groups, knot theory, number theory, combinatorial game theory and coding theory. ...
Dots and Boxes (also known as Boxes, Squares, Square-it, Dots and Dashes, or Dots) is a pencil and paper game for two players (or sometimes, more than two). ...
Hex is a board game played on a hexagonal grid, usually in the shape of a 10 by 10 or a 11 by 11 rhombus. ...
On the April 2005 FIDE list, Nunn had an Elo rating of 2617, making him number 98 in the world and England's number four (behind Michael Adams, Nigel Short and Luke McShane). The Fédération Internationale des Échecs or World Chess Federation is an international organization that connects the various national chess federations around the world. ...
The ELO rating system is a method for calculating the relative skill levels of players in two-player games such as chess and Go. ...
Michael Adams who was born on October 17, 1971 in Truro, Cornwall, England is an International Grandmaster of chess. ...
Nigel Short (born June 1, 1965 in Leigh, Lancashire) is an English chess player. ...
Luke McShane (born January 7, 1984) is an English chess player. ...
Books
- Secrets of Rook Endings, 1992, 1999, Gambit Publications, ISBN 1-901983-18-8.
- Secrets of Pawnless Endings, 1994, 2002, Gambit Publications, ISBN 1-901983-65-X.
- Secrets of Minor Piece Endings, Gambit Publications.
- Nunn's Chess Openings, 1999, Everyman Chess, ISBN 1-8574-4221-0
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