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Created page with "'''Home * People * John Nunn''' FILE:JohnNunn10 (A).jpg|border|right|thumb|240px| John Nunn <ref>Image by Stefan64, August 2010, [https://en.wikipedia.or..."
'''[[Main Page|Home]] * [[People]] * John Nunn'''
[[FILE:JohnNunn10 (A).jpg|border|right|thumb|240px| John Nunn <ref>Image by Stefan64, August 2010, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons], [https://en.wikipedia.org/wiki/John_Nunn John Nunn from Wikipedia]</ref> ]]
'''John Denis Martin Nunn''',<br/>
a British former world top ten (1989 rating of 2620) [https://en.wikipedia.org/wiki/Grandmaster_%28chess%29 chess grandmaster] <ref>[https://en.wikipedia.org/wiki/John_Nunn John Nunn from Wikipedia]</ref>,
[https://en.wikipedia.org/wiki/Chess_composer chess composer] and three-time [https://en.wikipedia.org/wiki/World_Chess_Solving_Championship world champion] in [[Chess Problems, Compositions and Studies|chess problem solving]], chess writer, publisher and director of [https://en.wikipedia.org/wiki/Gambit_Publications Gambit Publications],
mathematician with a Ph.D. in 1978 at the age of 23 on [https://en.wikipedia.org/wiki/Algebraic_topology algebraic topology] <ref>[[John Nunn]] ('''1978'''). ''[http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.467333 Some Problems in Algebraic Topology]''. Ph.D. thesis, [https://en.wikipedia.org/wiki/University_of_Oxford University of Oxford], supervisor [[Mathematician#JRHubbuck|John R. Hubbuck]]</ref>, and polymath.
He has been involved in [https://en.wikipedia.org/wiki/Information_extraction information extraction] and [https://en.wikipedia.org/wiki/Data_mining data mining] from [[Endgame Tablebases|endgame tablebases]], as lectured at the [[Advances in Computer Chess 7]] conference <ref>[[John Nunn]] ('''1994'''). ''Extracting Information from Endgame Databases''. [[Advances in Computer Chess 7]]</ref> and published in the [[ICGA Journal#16_4|ICCA Journal]] <ref>[[John Nunn]] ('''1993'''). ''Extracting Information from Endgame Databases''. [[ICGA Journal#16_4|ICCA Journal, Vol. 16, No. 4]]</ref>.
Concerning computer chess, John Nunn served as [[Category:Tournament Director|tournament director]] at the [[European MCC 1983|4th European MCC 1983]]
played against chess programs at four [[Aegon Tournaments]], [[Aegon 1992|1992]], [[Aegon 1993|1993]] (tied with winner [[David Bronstein]]), [[Aegon 1994|1994]] (tied with winner [https://en.wikipedia.org/wiki/Larry_Christiansen Larry Christiansen]), and [[Aegon 1995|1995]]. His 10 and later 20 opening proposals as published by [[Computerschach und Spiele]] were used in [[Engine Testing|engine testing]] and matches <ref>[https://www.stmintz.com/ccc/index.php?id=460363 Nunn openings] by [[Jouni Uski]], [[CCC]], November 07, 2005</ref>.
In 2013 <ref>[[John Nunn]] ('''2013'''). ''Discoveries in R+2P vs. R+P Endings''. [[ICGA Journal#36_3|ICGA Journal, Vol. 36, No. 3]]</ref>, Nunn applied the 7-piece [[Lomonosov Tablebases]] to R+2P vs. R+P positions from the famous book ''Rook Endings'', 2nd edition, by [https://en.wikipedia.org/wiki/Grigory_Levenfish Levenfish] and [https://en.wikipedia.org/wiki/Vasily_Smyslov Smyslov] <ref>[https://en.wikipedia.org/wiki/Grigory_Levenfish Grigory Levenfish] and [https://en.wikipedia.org/wiki/Vasily_Smyslov Vasily Smyslov] ('''1971, 1989'''). ''[http://books.google.com/books/about/Rook_endings.html?id=IlgYAQAAMAAJ&redir_esc=y Rook Endings]''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford]</ref>, which was assumed to contain the truth and, owing to Nunn, this is no longer so.
=Photos=
[[FILE:England 1986 Dubai.jpg|none|border|text-bottom|640px]]
The English team in [https://en.wikipedia.org/wiki/27th_Chess_Olympiad Dubai 1986] ([https://en.wikipedia.org/wiki/Jonathan_Speelman Jonathan Speelman], [https://en.wikipedia.org/wiki/Nigel_Short Nigel Short], [[John Nunn]], [https://en.wikipedia.org/wiki/Tony_Miles Tony Miles]) <ref>[https://en.wikipedia.org/wiki/27th_Chess_Olympiad 27th Chess Olympiad Dubai 1986], Photographer [[Gerhard Hund]], [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref>
=Selected Games=
[[Aegon 1994]], round 2, [[IsiChess]] - [[John Nunn]] <ref>[[IsiChess|IsiChess']] 2nd official game. After the "sensational" win versus [http://nl.wikipedia.org/wiki/Lex_Jongsma Lex Jongsma] in round 1, IsiChess had the pleasure to play John Nunn on stage. Isi randomly uncorked one of Nunn's favourite lines in the [https://en.wikipedia.org/wiki/Sicilian_Defence Sicilian] from its opening book, the [https://en.wikipedia.org/wiki/Sicilian_Defence#White.27s_second_move_alternatives Grand Prix Attack] with 2.f4</ref>
<pre>
[Event "Aegon 1994"]
[Site "The Hague NED"]
[Date "1994.04.28"]
[Round "2"]
[White "IsiChess"]
[Black "John Nunn"]
[Result "0-1"]
1.e4 c5 2.f4 d5 3.exd5 Nf6 4.c4 e6 5.Qa4+ Bd7 6.Qb3 exd5 7.cxd5 Qc7 8.Nc3 a6 9.d3 Be7
10.Nf3 O-O 11.Be2 Re8 12.O-O b5 13.Ne5 Bd6 14.Be3 Bf5 15.a4 b4 16.Nd1 Bxe5 17.fxe5 Qxe5
18.Bxc5 Bg4 19.Bxg4 Nxg4 20.g3 Nd7 21.Qxb4 Qh5 22.h4 Rab8 23.Qd4 Nxc5 24.Qxc5 Qe5 25.Rf4
Qe1+ 26.Kg2 Re2+ 27.Nf2 Qxa1 28.Rxg4 Rxf2+ 29.Qxf2 Rxb2 30.Re4 Rxf2+ 31.Kxf2 f5 32.Rc4
Qe5 33.Rc8+ Kf7 0-1
</pre>
[[Aegon 1994]], round 3, [[John Nunn]] - [[Quest]]
<pre>
[Event "Aegon 1994"]
[Site "The Hague NED"]
[Date "1994.04.29"]
[Round "3"]
[White "John Nunn"]
[Black "Quest"]
[Result "1-0"]
1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4 fxe4 5.Nc3 Qf7 6.d4 Bb4 7.Be2 Nf6 8.O-O d5 9.Ne5 Qe7
10.Bg5 c6 11.f3 exf3 12.Rxf3 O-O 13.Qe1 Nbd7 14.Bd3 h6 15.Bh4 Bc5 16.Nxc6 bxc6 17.dxc5
Qxc5+ 18.Bf2 Qd6 19.Bg3 Qc5+ 20.Bf2 Qd6 21.Bg3 Qc5+ 22.Qf2 Qxf2+ 23.Rxf2 Bb7 24.Re1 Rae8
25.Rfe2 Rxe2 26.Rxe2 Kf7 27.Bf2 a6 28.Na4 Re8 29.Rxe8 Nxe8 30.Bd4 Nc7 31.Bf5 Bc8 32.Kf2
g6 33.Bh3 Ne6 34.Ke3 Ke7 35.Bxe6 Kxe6 36.b4 Kf5 37.Bg7 h5 38.Kd4 g5 39.Nb2 Kg6 40.Bh8 h4
41.Nd3 g4 42.g3 h3 43.a4 Kh7 44.Be5 Kg6 45.a5 Kf5 46.Bg7 Kg6 47.Bh8 Kf5 48.Nf2 Kg5 49.Nd1
Bb7 50.Be5 Bc8 51.Ne3 Kh5 52.Bd6 Bb7 53.Be7 Ba8 54.Nf5 Kg6 55.Nd6 Kh7 56.Nf7 Kg7 57.Ne5
Nxe5 58.Kxe5 Bb7 59.Kd6 Bc8 60.Kxc6 Kf7 61.Bc5 Ke6 62.Kb6 Kd7 63.Bd4 Kd6 64.c3 Kd7 65.b5
axb5 66.a6 Bxa6 67.Kxa6 Ke6 68.Kxb5 Kf5 69.Kc5 Ke4 70.Kd6 Kf3 71.Ke5 Kg2 72.Kf4 Kxh2
73.Kxg4 Kh1 74.Bg1 Kg2 75.Kh4 1-0
</pre>
[[Aegon 1994]], round 6, [[Zarkov|Zarkov 3.0]] - [[John Nunn]]
<pre>
[Event "Aegon 1994"]
[Site "The Hague NED"]
[Date "1994.05.04"]
[Round "6"]
[White "Zarkov 3.0"]
[Black "John Nunn"]
[Result "1/2-1/2"]
1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 O-O 5.Bg2 c6 6.Nc3 d5 7.cxd5 cxd5 8.Ne5 e6 9.O-O Nfd7
10.f4 f6 11.Nxd7 Bxd7 12.Nxd5 exd5 13.Bxd5+ Kh8 14.Bxb7 Bc6 15.Bxa8 Bxa8 16.f5 Qd5 17.Rf3
gxf5 18.Kf1 Nc6 19.Be3 Rd8 20.Qa4 f4 21.gxf4 Qh5 22.d5 Qxd5 23.Rc1 Ne7 24.Qxa7 Nf5 25.b3
Nh4 26.Rg3 Qh1+ 27.Bg1 Nf5 28.Rg4 h5 29.Qa5 hxg4 30.Qxd8+ Kh7 31.Qb6 Kg6 32.Qf2 Bf8 33.Rc4
Ba3 34.Ke1 Bd5 35.Rc2 Bb4+ 36.Kd1 Bxb3 37.axb3 Qd5+ 38.Kc1 Ba3+ 39.Rb2 Qxb3 40.e4 Nd6 41.Qc2
Bxb2+ 42.Qxb2 Qc4+ 43.Kd2 Nxe4+ 44.Ke1 Kf5 45.Be3 Qd3 46.Qe2 Qb1+ 47.Qd1 Qxd1+ 48.Kxd1 Nc3+
49.Ke1 Nd5 50.Kf2 Nxf4 51.Kg3 Nh3 52.Bd4 Ng5 53.Bxf6 Ne4+ 54.Kh4 Nxf6 1/2-1/2
</pre>
=Selected Publications=
==1978 ...==
* [[John Nunn]] ('''1978'''). ''[https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.467333 Some Problems in Algebraic Topology]''. Ph.D. thesis, [https://en.wikipedia.org/wiki/University_of_Oxford University of Oxford], supervisor [[Mathematician#JRHubbuck|John R. Hubbuck]]
* [[John Nunn]] ('''1979'''). ''[https://www.sciencedirect.com/science/article/pii/0040938379900119 The homotopy types of finite H-spaces]''. [https://en.wikipedia.org/wiki/Topology_%28journal%29 Topology], Vol. 18, No. 1 <ref>[http://www.chessgames.com/player/john_nunn.html?kpage=8 The chess games of John Nunn - Kibitzing]</ref> <ref>[https://en.wikipedia.org/wiki/Homotopy Homotopy from Wikipedia]</ref> <ref>[https://en.wikipedia.org/wiki/Homotopy_type_theory Homotopy type theory from Wikipedia]</ref> <ref>[https://en.wikipedia.org/wiki/H-space H-space from Wikipedia]</ref>
==1980 ...==
* [[John Nunn]] ('''1982'''). ''The Benoni for the Tournament Player''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford]
* [[John Nunn]] ('''1985, 2002'''). ''Solving in Style''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford], [https://en.wikipedia.org/wiki/Gambit_Publications Gambit]
* [[John Nunn]] ('''1988'''). ''Life with ChessBase''. [[ICGA Journal#11_23|ICCA Journal, Vol. 11, Nos. 2/3]] » [[ChessBase (Database)]]
* [[John Nunn]] ('''1989'''). ''The Complete Pirc''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford].
==1990 ...==
* [[John Nunn]] ('''1992'''). ''Secrets of Rook Endings''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford] <ref>[[Jaap van den Herik]], [[Bob Herschberg]]. ('''1993'''). ''J. Nunn: Secrets of Rook Endings''. [[ICGA Journal#16_2|ICCA Journal, Vol. 16, No. 2]]</ref>
* [[John Nunn]] ('''1992'''). ''Perfect Prose''. [[ICGA Journal#15_2|ICCA Journal, Vol. 15, No. 2]]
* [[John Nunn]] ('''1993'''). ''Extracting Information from Endgame Databases''. [[ICGA Journal#16_4|ICCA Journal, Vol. 16, No. 4]]
* [[John Nunn]] ('''1994'''). ''Extracting Information from Endgame Databases''. [[Advances in Computer Chess 7]]
* [[John Nunn]] ('''1994'''). ''Secrets of Pawnless Endings''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford] <ref>[[Bob Herschberg]], [[Jaap van den Herik]] ('''1994'''). ''J. Nunn: Secrets of Pawnless Endings''. [[ICGA Journal#17_2|ICCA Journal, Vol. 17, No. 2]]</ref>, [http://www.newinchess.com/Secrets_of_Pawnless_Endings-p-1019.html 2nd Edition] ('''2002'''). [https://en.wikipedia.org/wiki/Gambit_Publications Gambit] <ref>[[Guy Haworth]] ('''2002'''). ''[http://centaur.reading.ac.uk/4552/ Secrets of Pawnless Endings]''. [[ICGA Journal#25_2|ICGA Journal, Vol. 25, No. 2]]</ref>
* [[John Nunn]] ('''1994'''). ''More, and More Perfect Prose''. [[ICGA Journal#17_2|ICCA Journal, Vol. 17, No. 2]]
* [[John Nunn]] ('''1995'''). ''Secrets of Minor-Piece Endings''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford]
* [[John Nunn]] ('''1999'''). ''John Nunn’s chess puzzle book''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit]
* [[John Nunn]], [https://en.wikipedia.org/wiki/Graham_Burgess Graham Burgess], [https://en.wikipedia.org/wiki/John_Emms_%28chess_player%29 John Emms], [https://en.wikipedia.org/wiki/Joseph_Gallagher Joe Gallagher] ('''1999'''). ''Nunn's Chess Openings''. [https://en.wikipedia.org/wiki/Everyman_Chess Cadogan Chess Books]
==2000 ...==
* [[John Nunn]] ('''2001'''). ''Secrets of Minor-Piece Endings''. [https://en.wikipedia.org/wiki/Rowman_&_Littlefield Rowman & Littlefield]
* [[John Nunn]] ('''2003'''). ''Learn Chess Tactics''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit]
* [[John Nunn]] ('''2003'''). ''Tactical Chess Endings''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford]
* [[ChessBase]], the Editor, [[John Nunn]], [[David Levy]] ('''2005'''). ''Adams Outclassed by HYDRA''. [[ICGA Journal#28_2|ICGA Journal, Vol. 28, No. 2]] » [[Hydra]]
* [[John Nunn]] ('''2005'''). ''Grandmaster Chess Move by Move''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit] <ref>[http://www.chesshistory.com/winter/winter20.html#4218._John_Nunn 4218. John Nunn] by [https://en.wikipedia.org/wiki/Edward_Winter_%28chess_historian%29 Edward Winter]</ref>
* [[John Nunn]] ('''2009'''). ''Understanding Chess Endgames''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit] <ref>[http://www.chessbase.com/post/nunn-on-understanding-che-endgames Nunn on Understanding Chess Endgames], [[ChessBase|ChessBase News]], September 13, 2009</ref>
==2010 ...==
* [[John Nunn]] ('''2010'''). ''Nunn's Chess Endings, volume 1''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit] <ref>[http://www.chessbase.com/post/nunn-s-che-endings-volume-one Nunn’s Chess Endings Volume One], [[ChessBase|ChessBase News]], May 28, 2010</ref>
* [[John Nunn]] ('''2010'''). ''Nunn's Chess Endings, volume 2''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit]
* [[John Nunn]] ('''2013'''). ''Discoveries in R+2P vs. R+P Endings''. [[ICGA Journal#36_3|ICGA Journal, Vol. 36, No. 3]] » [[Lomonosov Tablebases]] <ref>[http://forum.computerschach.de/cgi-bin/mwf/topic_show.pl?tid=6626 Artikel von John Nunn] by [[Ingo Althöfer]], [[Computer Chess Forums|CSS Forum]], January 08, 2014 (German)</ref>
* [[John Nunn]] ('''2013'''). ''[https://content.iospress.com/articles/icga-journal/icg37404 Maths and Chess]''. [[ICGA Journal#37_4|ICGA Journal, Vol. 37, No. 4]]
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=460363 Nunn openings] by [[Jouni Uski]], [[CCC]], November 07, 2005
* [https://www.stmintz.com/ccc/index.php?id=460364 Nunn2 openings] by [[Kurt Utzinger]], [[CCC]], November 07, 2005
* [http://forum.computerschach.de/cgi-bin/mwf/topic_show.pl?tid=6626 Artikel von John Nunn] by [[Ingo Althöfer]], [[Computer Chess Forums|CSS Forum]], January 08, 2014 (German) <ref> [[John Nunn]] ('''2013'''). ''Discoveries in R+2P vs. R+P Endings''. [[ICGA Journal#36_3|ICGA Journal, Vol. 36, No. 3]]</ref>
=External Links=
* [https://en.wikipedia.org/wiki/John_Nunn John Nunn from Wikipedia]
* [https://genealogy.math.ndsu.nodak.edu/id.php?id=216891 John Nunn - The Mathematics Genealogy Project]
* [https://ratings.fide.com/card.phtml?event=400017 Nunn, John D M FIDE Chess Profile]
* [http://www.chessgames.com/perl/chessplayer?pid=15864 The chess games of John Nunn] from [http://www.chessgames.com/index.html chessgames.com]
* [http://www.gambitbooks.com/books/John_Nunn%27s_Chess_Course.html Gambit Publications Limited - John Nunn’s Chess Course]
==ChessBase==
* [https://en.chessbase.com/author/john-nunn John Nunn] | [[ChessBase]]
===2004 ...===
* [https://en.chessbase.com/post/world-champion-dr-gm-gm-john-nunn World Champion Dr GM GM John Nunn] by Themis Argirakopoulos, [[ChessBase|ChessBase News]], September 22, 2004
* [https://en.chessbase.com/post/the-draw-problem-a-simple-solution The draw problem – a simple solution] by [[John Nunn]], [[ChessBase|ChessBase News]], October 11, 2005
* [https://en.chessbase.com/post/john-nunn-wins-world-che-problem-solving-championship John Nunn wins World Chess Problem Solving Championship], [[ChessBase|ChessBase News]], March 11, 2007
===2010 ...===
* [https://en.chessbase.com/post/john-nunn-wins-world-problem-solving-championship World Problem Solving Championship] by [[John Nunn]], [[ChessBase|ChessBase News]], March 11, 2010
* [https://en.chessbase.com/post/che-and-astronomy-global-rent-a-scope Chess and Astronomy] by [[John Nunn]], [[ChessBase|ChessBase News]], June 14, 2010
* [https://en.chessbase.com/post/nunn-wins-second-tata-steel-study-solving-contest Nunn wins Second Tata Steel study solving contest], [[ChessBase|ChessBase News]], February 12, 2011
* [https://en.chessbase.com/post/john-nunn-the-behting-study-is-sound 'The Behting study is sound'] by [[John Nunn]], [[ChessBase|ChessBase News]], October 05, 2012 » [[Behting Study]]
===2015 ...===
* [https://en.chessbase.com/post/bbc-radio-talks-with-john-nunn BBC Radio talks with John Nunn] by [[Albert Silver]], [[ChessBase|ChessBase News]], April 11, 2015
* [https://en.chessbase.com/post/john-nunn-these-days John Nunn these days] by [[Frederic Friedel]], [[ChessBase|ChessBase News]], December 08, 2017
* [https://en.chessbase.com/post/john-nunn-fifty-years-of-chess John Nunn: Fifty years of chess] by [[John Nunn]], [[ChessBase|ChessBase News]], April 03, 2018
* [https://en.chessbase.com/post/championship-problem-solutions Championship problem solutions] by [[John Nunn]], [[ChessBase|ChessBase News]], October 20, 2018
* [https://en.chessbase.com/post/garry-kasparov-did-he-actually-exist Garry Kasparov – did he actually exist?] by [[John Nunn]], [[ChessBase|ChessBase News]], October 20, 2018
* [https://en.chessbase.com/post/43rd-world-chess-solving-championship-vilnius-2019 Solving with Nunn] by [[John Nunn]], [[ChessBase|ChessBase News]], September 20, 2019
==Chess24==
* [https://chess24.com/en/read/news/john-nunn-on-maths-chess-computers-and-lasker John Nunn on maths, chess, computers and Lasker] by [https://chess24.com/en/profile/colin Colin McGourty], [[Chess24]], April 06, 2015
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Composer|Nunn]]
[[Category:Chess Player|Nunn]]
[[Category:Mathematician|Nunn]]
[[Category:Writer|Nunn]]
[[Category:Tournament Director|Nunn]]
[[FILE:JohnNunn10 (A).jpg|border|right|thumb|240px| John Nunn <ref>Image by Stefan64, August 2010, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons], [https://en.wikipedia.org/wiki/John_Nunn John Nunn from Wikipedia]</ref> ]]
'''John Denis Martin Nunn''',<br/>
a British former world top ten (1989 rating of 2620) [https://en.wikipedia.org/wiki/Grandmaster_%28chess%29 chess grandmaster] <ref>[https://en.wikipedia.org/wiki/John_Nunn John Nunn from Wikipedia]</ref>,
[https://en.wikipedia.org/wiki/Chess_composer chess composer] and three-time [https://en.wikipedia.org/wiki/World_Chess_Solving_Championship world champion] in [[Chess Problems, Compositions and Studies|chess problem solving]], chess writer, publisher and director of [https://en.wikipedia.org/wiki/Gambit_Publications Gambit Publications],
mathematician with a Ph.D. in 1978 at the age of 23 on [https://en.wikipedia.org/wiki/Algebraic_topology algebraic topology] <ref>[[John Nunn]] ('''1978'''). ''[http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.467333 Some Problems in Algebraic Topology]''. Ph.D. thesis, [https://en.wikipedia.org/wiki/University_of_Oxford University of Oxford], supervisor [[Mathematician#JRHubbuck|John R. Hubbuck]]</ref>, and polymath.
He has been involved in [https://en.wikipedia.org/wiki/Information_extraction information extraction] and [https://en.wikipedia.org/wiki/Data_mining data mining] from [[Endgame Tablebases|endgame tablebases]], as lectured at the [[Advances in Computer Chess 7]] conference <ref>[[John Nunn]] ('''1994'''). ''Extracting Information from Endgame Databases''. [[Advances in Computer Chess 7]]</ref> and published in the [[ICGA Journal#16_4|ICCA Journal]] <ref>[[John Nunn]] ('''1993'''). ''Extracting Information from Endgame Databases''. [[ICGA Journal#16_4|ICCA Journal, Vol. 16, No. 4]]</ref>.
Concerning computer chess, John Nunn served as [[Category:Tournament Director|tournament director]] at the [[European MCC 1983|4th European MCC 1983]]
played against chess programs at four [[Aegon Tournaments]], [[Aegon 1992|1992]], [[Aegon 1993|1993]] (tied with winner [[David Bronstein]]), [[Aegon 1994|1994]] (tied with winner [https://en.wikipedia.org/wiki/Larry_Christiansen Larry Christiansen]), and [[Aegon 1995|1995]]. His 10 and later 20 opening proposals as published by [[Computerschach und Spiele]] were used in [[Engine Testing|engine testing]] and matches <ref>[https://www.stmintz.com/ccc/index.php?id=460363 Nunn openings] by [[Jouni Uski]], [[CCC]], November 07, 2005</ref>.
In 2013 <ref>[[John Nunn]] ('''2013'''). ''Discoveries in R+2P vs. R+P Endings''. [[ICGA Journal#36_3|ICGA Journal, Vol. 36, No. 3]]</ref>, Nunn applied the 7-piece [[Lomonosov Tablebases]] to R+2P vs. R+P positions from the famous book ''Rook Endings'', 2nd edition, by [https://en.wikipedia.org/wiki/Grigory_Levenfish Levenfish] and [https://en.wikipedia.org/wiki/Vasily_Smyslov Smyslov] <ref>[https://en.wikipedia.org/wiki/Grigory_Levenfish Grigory Levenfish] and [https://en.wikipedia.org/wiki/Vasily_Smyslov Vasily Smyslov] ('''1971, 1989'''). ''[http://books.google.com/books/about/Rook_endings.html?id=IlgYAQAAMAAJ&redir_esc=y Rook Endings]''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford]</ref>, which was assumed to contain the truth and, owing to Nunn, this is no longer so.
=Photos=
[[FILE:England 1986 Dubai.jpg|none|border|text-bottom|640px]]
The English team in [https://en.wikipedia.org/wiki/27th_Chess_Olympiad Dubai 1986] ([https://en.wikipedia.org/wiki/Jonathan_Speelman Jonathan Speelman], [https://en.wikipedia.org/wiki/Nigel_Short Nigel Short], [[John Nunn]], [https://en.wikipedia.org/wiki/Tony_Miles Tony Miles]) <ref>[https://en.wikipedia.org/wiki/27th_Chess_Olympiad 27th Chess Olympiad Dubai 1986], Photographer [[Gerhard Hund]], [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref>
=Selected Games=
[[Aegon 1994]], round 2, [[IsiChess]] - [[John Nunn]] <ref>[[IsiChess|IsiChess']] 2nd official game. After the "sensational" win versus [http://nl.wikipedia.org/wiki/Lex_Jongsma Lex Jongsma] in round 1, IsiChess had the pleasure to play John Nunn on stage. Isi randomly uncorked one of Nunn's favourite lines in the [https://en.wikipedia.org/wiki/Sicilian_Defence Sicilian] from its opening book, the [https://en.wikipedia.org/wiki/Sicilian_Defence#White.27s_second_move_alternatives Grand Prix Attack] with 2.f4</ref>
<pre>
[Event "Aegon 1994"]
[Site "The Hague NED"]
[Date "1994.04.28"]
[Round "2"]
[White "IsiChess"]
[Black "John Nunn"]
[Result "0-1"]
1.e4 c5 2.f4 d5 3.exd5 Nf6 4.c4 e6 5.Qa4+ Bd7 6.Qb3 exd5 7.cxd5 Qc7 8.Nc3 a6 9.d3 Be7
10.Nf3 O-O 11.Be2 Re8 12.O-O b5 13.Ne5 Bd6 14.Be3 Bf5 15.a4 b4 16.Nd1 Bxe5 17.fxe5 Qxe5
18.Bxc5 Bg4 19.Bxg4 Nxg4 20.g3 Nd7 21.Qxb4 Qh5 22.h4 Rab8 23.Qd4 Nxc5 24.Qxc5 Qe5 25.Rf4
Qe1+ 26.Kg2 Re2+ 27.Nf2 Qxa1 28.Rxg4 Rxf2+ 29.Qxf2 Rxb2 30.Re4 Rxf2+ 31.Kxf2 f5 32.Rc4
Qe5 33.Rc8+ Kf7 0-1
</pre>
[[Aegon 1994]], round 3, [[John Nunn]] - [[Quest]]
<pre>
[Event "Aegon 1994"]
[Site "The Hague NED"]
[Date "1994.04.29"]
[Round "3"]
[White "John Nunn"]
[Black "Quest"]
[Result "1-0"]
1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4 fxe4 5.Nc3 Qf7 6.d4 Bb4 7.Be2 Nf6 8.O-O d5 9.Ne5 Qe7
10.Bg5 c6 11.f3 exf3 12.Rxf3 O-O 13.Qe1 Nbd7 14.Bd3 h6 15.Bh4 Bc5 16.Nxc6 bxc6 17.dxc5
Qxc5+ 18.Bf2 Qd6 19.Bg3 Qc5+ 20.Bf2 Qd6 21.Bg3 Qc5+ 22.Qf2 Qxf2+ 23.Rxf2 Bb7 24.Re1 Rae8
25.Rfe2 Rxe2 26.Rxe2 Kf7 27.Bf2 a6 28.Na4 Re8 29.Rxe8 Nxe8 30.Bd4 Nc7 31.Bf5 Bc8 32.Kf2
g6 33.Bh3 Ne6 34.Ke3 Ke7 35.Bxe6 Kxe6 36.b4 Kf5 37.Bg7 h5 38.Kd4 g5 39.Nb2 Kg6 40.Bh8 h4
41.Nd3 g4 42.g3 h3 43.a4 Kh7 44.Be5 Kg6 45.a5 Kf5 46.Bg7 Kg6 47.Bh8 Kf5 48.Nf2 Kg5 49.Nd1
Bb7 50.Be5 Bc8 51.Ne3 Kh5 52.Bd6 Bb7 53.Be7 Ba8 54.Nf5 Kg6 55.Nd6 Kh7 56.Nf7 Kg7 57.Ne5
Nxe5 58.Kxe5 Bb7 59.Kd6 Bc8 60.Kxc6 Kf7 61.Bc5 Ke6 62.Kb6 Kd7 63.Bd4 Kd6 64.c3 Kd7 65.b5
axb5 66.a6 Bxa6 67.Kxa6 Ke6 68.Kxb5 Kf5 69.Kc5 Ke4 70.Kd6 Kf3 71.Ke5 Kg2 72.Kf4 Kxh2
73.Kxg4 Kh1 74.Bg1 Kg2 75.Kh4 1-0
</pre>
[[Aegon 1994]], round 6, [[Zarkov|Zarkov 3.0]] - [[John Nunn]]
<pre>
[Event "Aegon 1994"]
[Site "The Hague NED"]
[Date "1994.05.04"]
[Round "6"]
[White "Zarkov 3.0"]
[Black "John Nunn"]
[Result "1/2-1/2"]
1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 O-O 5.Bg2 c6 6.Nc3 d5 7.cxd5 cxd5 8.Ne5 e6 9.O-O Nfd7
10.f4 f6 11.Nxd7 Bxd7 12.Nxd5 exd5 13.Bxd5+ Kh8 14.Bxb7 Bc6 15.Bxa8 Bxa8 16.f5 Qd5 17.Rf3
gxf5 18.Kf1 Nc6 19.Be3 Rd8 20.Qa4 f4 21.gxf4 Qh5 22.d5 Qxd5 23.Rc1 Ne7 24.Qxa7 Nf5 25.b3
Nh4 26.Rg3 Qh1+ 27.Bg1 Nf5 28.Rg4 h5 29.Qa5 hxg4 30.Qxd8+ Kh7 31.Qb6 Kg6 32.Qf2 Bf8 33.Rc4
Ba3 34.Ke1 Bd5 35.Rc2 Bb4+ 36.Kd1 Bxb3 37.axb3 Qd5+ 38.Kc1 Ba3+ 39.Rb2 Qxb3 40.e4 Nd6 41.Qc2
Bxb2+ 42.Qxb2 Qc4+ 43.Kd2 Nxe4+ 44.Ke1 Kf5 45.Be3 Qd3 46.Qe2 Qb1+ 47.Qd1 Qxd1+ 48.Kxd1 Nc3+
49.Ke1 Nd5 50.Kf2 Nxf4 51.Kg3 Nh3 52.Bd4 Ng5 53.Bxf6 Ne4+ 54.Kh4 Nxf6 1/2-1/2
</pre>
=Selected Publications=
==1978 ...==
* [[John Nunn]] ('''1978'''). ''[https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.467333 Some Problems in Algebraic Topology]''. Ph.D. thesis, [https://en.wikipedia.org/wiki/University_of_Oxford University of Oxford], supervisor [[Mathematician#JRHubbuck|John R. Hubbuck]]
* [[John Nunn]] ('''1979'''). ''[https://www.sciencedirect.com/science/article/pii/0040938379900119 The homotopy types of finite H-spaces]''. [https://en.wikipedia.org/wiki/Topology_%28journal%29 Topology], Vol. 18, No. 1 <ref>[http://www.chessgames.com/player/john_nunn.html?kpage=8 The chess games of John Nunn - Kibitzing]</ref> <ref>[https://en.wikipedia.org/wiki/Homotopy Homotopy from Wikipedia]</ref> <ref>[https://en.wikipedia.org/wiki/Homotopy_type_theory Homotopy type theory from Wikipedia]</ref> <ref>[https://en.wikipedia.org/wiki/H-space H-space from Wikipedia]</ref>
==1980 ...==
* [[John Nunn]] ('''1982'''). ''The Benoni for the Tournament Player''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford]
* [[John Nunn]] ('''1985, 2002'''). ''Solving in Style''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford], [https://en.wikipedia.org/wiki/Gambit_Publications Gambit]
* [[John Nunn]] ('''1988'''). ''Life with ChessBase''. [[ICGA Journal#11_23|ICCA Journal, Vol. 11, Nos. 2/3]] » [[ChessBase (Database)]]
* [[John Nunn]] ('''1989'''). ''The Complete Pirc''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford].
==1990 ...==
* [[John Nunn]] ('''1992'''). ''Secrets of Rook Endings''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford] <ref>[[Jaap van den Herik]], [[Bob Herschberg]]. ('''1993'''). ''J. Nunn: Secrets of Rook Endings''. [[ICGA Journal#16_2|ICCA Journal, Vol. 16, No. 2]]</ref>
* [[John Nunn]] ('''1992'''). ''Perfect Prose''. [[ICGA Journal#15_2|ICCA Journal, Vol. 15, No. 2]]
* [[John Nunn]] ('''1993'''). ''Extracting Information from Endgame Databases''. [[ICGA Journal#16_4|ICCA Journal, Vol. 16, No. 4]]
* [[John Nunn]] ('''1994'''). ''Extracting Information from Endgame Databases''. [[Advances in Computer Chess 7]]
* [[John Nunn]] ('''1994'''). ''Secrets of Pawnless Endings''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford] <ref>[[Bob Herschberg]], [[Jaap van den Herik]] ('''1994'''). ''J. Nunn: Secrets of Pawnless Endings''. [[ICGA Journal#17_2|ICCA Journal, Vol. 17, No. 2]]</ref>, [http://www.newinchess.com/Secrets_of_Pawnless_Endings-p-1019.html 2nd Edition] ('''2002'''). [https://en.wikipedia.org/wiki/Gambit_Publications Gambit] <ref>[[Guy Haworth]] ('''2002'''). ''[http://centaur.reading.ac.uk/4552/ Secrets of Pawnless Endings]''. [[ICGA Journal#25_2|ICGA Journal, Vol. 25, No. 2]]</ref>
* [[John Nunn]] ('''1994'''). ''More, and More Perfect Prose''. [[ICGA Journal#17_2|ICCA Journal, Vol. 17, No. 2]]
* [[John Nunn]] ('''1995'''). ''Secrets of Minor-Piece Endings''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford]
* [[John Nunn]] ('''1999'''). ''John Nunn’s chess puzzle book''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit]
* [[John Nunn]], [https://en.wikipedia.org/wiki/Graham_Burgess Graham Burgess], [https://en.wikipedia.org/wiki/John_Emms_%28chess_player%29 John Emms], [https://en.wikipedia.org/wiki/Joseph_Gallagher Joe Gallagher] ('''1999'''). ''Nunn's Chess Openings''. [https://en.wikipedia.org/wiki/Everyman_Chess Cadogan Chess Books]
==2000 ...==
* [[John Nunn]] ('''2001'''). ''Secrets of Minor-Piece Endings''. [https://en.wikipedia.org/wiki/Rowman_&_Littlefield Rowman & Littlefield]
* [[John Nunn]] ('''2003'''). ''Learn Chess Tactics''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit]
* [[John Nunn]] ('''2003'''). ''Tactical Chess Endings''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford]
* [[ChessBase]], the Editor, [[John Nunn]], [[David Levy]] ('''2005'''). ''Adams Outclassed by HYDRA''. [[ICGA Journal#28_2|ICGA Journal, Vol. 28, No. 2]] » [[Hydra]]
* [[John Nunn]] ('''2005'''). ''Grandmaster Chess Move by Move''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit] <ref>[http://www.chesshistory.com/winter/winter20.html#4218._John_Nunn 4218. John Nunn] by [https://en.wikipedia.org/wiki/Edward_Winter_%28chess_historian%29 Edward Winter]</ref>
* [[John Nunn]] ('''2009'''). ''Understanding Chess Endgames''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit] <ref>[http://www.chessbase.com/post/nunn-on-understanding-che-endgames Nunn on Understanding Chess Endgames], [[ChessBase|ChessBase News]], September 13, 2009</ref>
==2010 ...==
* [[John Nunn]] ('''2010'''). ''Nunn's Chess Endings, volume 1''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit] <ref>[http://www.chessbase.com/post/nunn-s-che-endings-volume-one Nunn’s Chess Endings Volume One], [[ChessBase|ChessBase News]], May 28, 2010</ref>
* [[John Nunn]] ('''2010'''). ''Nunn's Chess Endings, volume 2''. [https://en.wikipedia.org/wiki/Gambit_Publications Gambit]
* [[John Nunn]] ('''2013'''). ''Discoveries in R+2P vs. R+P Endings''. [[ICGA Journal#36_3|ICGA Journal, Vol. 36, No. 3]] » [[Lomonosov Tablebases]] <ref>[http://forum.computerschach.de/cgi-bin/mwf/topic_show.pl?tid=6626 Artikel von John Nunn] by [[Ingo Althöfer]], [[Computer Chess Forums|CSS Forum]], January 08, 2014 (German)</ref>
* [[John Nunn]] ('''2013'''). ''[https://content.iospress.com/articles/icga-journal/icg37404 Maths and Chess]''. [[ICGA Journal#37_4|ICGA Journal, Vol. 37, No. 4]]
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=460363 Nunn openings] by [[Jouni Uski]], [[CCC]], November 07, 2005
* [https://www.stmintz.com/ccc/index.php?id=460364 Nunn2 openings] by [[Kurt Utzinger]], [[CCC]], November 07, 2005
* [http://forum.computerschach.de/cgi-bin/mwf/topic_show.pl?tid=6626 Artikel von John Nunn] by [[Ingo Althöfer]], [[Computer Chess Forums|CSS Forum]], January 08, 2014 (German) <ref> [[John Nunn]] ('''2013'''). ''Discoveries in R+2P vs. R+P Endings''. [[ICGA Journal#36_3|ICGA Journal, Vol. 36, No. 3]]</ref>
=External Links=
* [https://en.wikipedia.org/wiki/John_Nunn John Nunn from Wikipedia]
* [https://genealogy.math.ndsu.nodak.edu/id.php?id=216891 John Nunn - The Mathematics Genealogy Project]
* [https://ratings.fide.com/card.phtml?event=400017 Nunn, John D M FIDE Chess Profile]
* [http://www.chessgames.com/perl/chessplayer?pid=15864 The chess games of John Nunn] from [http://www.chessgames.com/index.html chessgames.com]
* [http://www.gambitbooks.com/books/John_Nunn%27s_Chess_Course.html Gambit Publications Limited - John Nunn’s Chess Course]
==ChessBase==
* [https://en.chessbase.com/author/john-nunn John Nunn] | [[ChessBase]]
===2004 ...===
* [https://en.chessbase.com/post/world-champion-dr-gm-gm-john-nunn World Champion Dr GM GM John Nunn] by Themis Argirakopoulos, [[ChessBase|ChessBase News]], September 22, 2004
* [https://en.chessbase.com/post/the-draw-problem-a-simple-solution The draw problem – a simple solution] by [[John Nunn]], [[ChessBase|ChessBase News]], October 11, 2005
* [https://en.chessbase.com/post/john-nunn-wins-world-che-problem-solving-championship John Nunn wins World Chess Problem Solving Championship], [[ChessBase|ChessBase News]], March 11, 2007
===2010 ...===
* [https://en.chessbase.com/post/john-nunn-wins-world-problem-solving-championship World Problem Solving Championship] by [[John Nunn]], [[ChessBase|ChessBase News]], March 11, 2010
* [https://en.chessbase.com/post/che-and-astronomy-global-rent-a-scope Chess and Astronomy] by [[John Nunn]], [[ChessBase|ChessBase News]], June 14, 2010
* [https://en.chessbase.com/post/nunn-wins-second-tata-steel-study-solving-contest Nunn wins Second Tata Steel study solving contest], [[ChessBase|ChessBase News]], February 12, 2011
* [https://en.chessbase.com/post/john-nunn-the-behting-study-is-sound 'The Behting study is sound'] by [[John Nunn]], [[ChessBase|ChessBase News]], October 05, 2012 » [[Behting Study]]
===2015 ...===
* [https://en.chessbase.com/post/bbc-radio-talks-with-john-nunn BBC Radio talks with John Nunn] by [[Albert Silver]], [[ChessBase|ChessBase News]], April 11, 2015
* [https://en.chessbase.com/post/john-nunn-these-days John Nunn these days] by [[Frederic Friedel]], [[ChessBase|ChessBase News]], December 08, 2017
* [https://en.chessbase.com/post/john-nunn-fifty-years-of-chess John Nunn: Fifty years of chess] by [[John Nunn]], [[ChessBase|ChessBase News]], April 03, 2018
* [https://en.chessbase.com/post/championship-problem-solutions Championship problem solutions] by [[John Nunn]], [[ChessBase|ChessBase News]], October 20, 2018
* [https://en.chessbase.com/post/garry-kasparov-did-he-actually-exist Garry Kasparov – did he actually exist?] by [[John Nunn]], [[ChessBase|ChessBase News]], October 20, 2018
* [https://en.chessbase.com/post/43rd-world-chess-solving-championship-vilnius-2019 Solving with Nunn] by [[John Nunn]], [[ChessBase|ChessBase News]], September 20, 2019
==Chess24==
* [https://chess24.com/en/read/news/john-nunn-on-maths-chess-computers-and-lasker John Nunn on maths, chess, computers and Lasker] by [https://chess24.com/en/profile/colin Colin McGourty], [[Chess24]], April 06, 2015
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Composer|Nunn]]
[[Category:Chess Player|Nunn]]
[[Category:Mathematician|Nunn]]
[[Category:Writer|Nunn]]
[[Category:Tournament Director|Nunn]]
