He was the official world champion from 1975 to 1985 when he was defeated by Garry Kasparov.

He had a peak Elo rating of 2780, and his 90 total months at world number one is second all-time behind only Garry Kasparov since the inception of the FIDE ranking list in 1971.

Garry Kasparov argued that Karpov would have had good chances, because he had beaten Spassky convincingly and was a new breed of tough professional, and indeed had higher quality games, while Fischer had been inactive for three years.

ACM also sponsors other computer science related events such as the worldwide ACM International Collegiate Programming Contest ( ICPC ), and has sponsored some other events such as the chess match between Garry Kasparov and the IBM Deep Blue computer.

The computer Deep Blue was the first machine player to overcome a reigning World Chess Champion when it defeated Garry Kasparov in 1997.

* 1996 – The IBM supercomputer Deep Blue defeats Garry Kasparov for the first time.

* 1996 – In Philadelphia, Pennsylvania, world champion Garry Kasparov beats the Deep Blue supercomputer in a chess match.

Polgár is the only woman to have won a game from a current world number one player, and has defeated nine current or former world champions in either rapid or classical chess: Anatoli Karpov, Garry Kasparov, Boris Spassky, Vasily Smyslov, Veselin Topalov, Viswanathan Anand, Ruslan Ponomariov, Alexander Khalifman, and Rustam Kasimdzhanov.

Both Bobby Fischer and Garry Kasparov were 14 when they were awarded the title.

At Linares 1994, Polgár suffered a controversial defeat at the hands of then-world champion Garry Kasparov.

" Prominent candidates are Bobby Fischer, Garry Kasparov, Jose Raul Capablanca, Alexander Alekhine or Emanuel Lasker.

In September 2002, in the Russia versus the Rest of the World Match, Polgár finally defeated Garry Kasparov in a game.

The former World Champion Garry Kasparov wrote that, based upon her games, " if to ' play like a girl ' meant anything in chess, it would mean relentless aggression.

* Polgár – Garry Kasparov, Russia vs.

* 1997 – Deep Blue, a chess-playing supercomputer, defeats Garry Kasparov in the last game of the rematch, becoming the first computer to beat a world-champion chess player in a classic match format.

* 1985 – Garry Kasparov, 22, of the Soviet Union becomes the youngest World Chess Champion by beating Anatoly Karpov, also of the Soviet Union.

* May 11 – IBM's Deep Blue defeats Garry Kasparov in the last game of the rematch, the first time a computer beats a chess World champion in a match.

* December 31 – Russian Garry Kasparov holds his title by winning the World Chess Championship match against his countryman Anatoly Karpov.

** Chess computer " Deep Blue " defeats world chess champion Garry Kasparov for the first time.

** In Philadelphia, Pennsylvania, Garry Kasparov beats " Deep Blue " in a second chess match.

* April 13 – Garry Kasparov, Russian chess player

* September 9 – Judit Polgár beats Garry Kasparov at a game of speed chess.

The game is Kasparov versus the World, played over the internet by Garry Kasparov ( as White ) against the rest of the world ( playing Black ), with the World Team's moves being chosen by popular vote under the guidance of a team of grandmasters.

After a scaled down version of Deep Blue, Deep Blue Jr., played Grandmaster Joel Benjamin, Hsu and Campbell decided that Benjamin was the expert they were looking for to develop Deep Blue's opening book, and Benjamin was signed by IBM Research to assist with the preparations for Deep Blue's matches against Garry Kasparov.

In January 2003, Garry Kasparov played Junior, another chess computer program, in New York.

In November 2003, Garry Kasparov played X3D Fritz.

However, after Short and Garry Kasparov played their World Championship match outside of the auspices of the sport's governing body FIDE, Timman was invited to compete against Karpov for the FIDE version of the world title.

This game, played between Timman and Garry Kasparov in Hilversum on 17 December 1985, is a good example of Timman's style:

An avid chess player, Sting played Garry Kasparov in an exhibition game in 2000, along with four bandmates: Dominic Miller, Jason Rebello, Chris Botti, and Russ Irwin.

In October 2000, he defeated Garry Kasparov in a match played in London, and became the Classical World Chess Champion.

In 2000, Kramnik played a sixteen game match against Garry Kasparov in London, for the Classical Chess World Championship.

At the age of ten and under the guidance of his father Jesse, Garry and his brothers played and sang behind many gospel artists of the time including legends such as Shirley Caesar, The Five Blind Boys, The Mighty Clouds of Joy, and others.

Throughout the mid-to-late 19th century, Upper Fort Garry played a minor role in the actual trading of furs, but was central to the administration of the HBC and the surrounding settlement.

It was here that he played his last famous victory, a miraculous escape against the young Garry Kasparov.

In the 1970s, satirical talk-show host Norman Gunston ( played by Garry McDonald ), with his malapropisms, sweep-over hair and poorly shaven face, rose to great popularity by pioneering the satirical " ambush " interview technique ( later employed by Britain's Sacha Baron Cohen as Ali G ) and giving unique interpretations of pop songs.

The character of Mork was played by a then-unknown Robin Williams who impressed producer Garry Marshall with his quirky comedic ability as soon as they met.

In 2003 Deep Junior played a six-game match against Garry Kasparov that resulted in a 3-3 tie.

A variety of people played in Severed Heads, including Garry Bradbury, Paul Deering, and Stephen Jones, but over time the group devolved to Tom Ellard.

Keene brought Victor Korchnoi and Garry Kasparov together for their 1983 Candidates ' semi-final match in London as part of the 1984 World Championship cycle ; the semi-final match between Vasily Smyslov and Zoltán Ribli was also played at the same site.

At age 11, he and fellow prodigy K. K. Karanja were the only two children to draw with World Champion Garry Kasparov in an exhibition game where Kasparov played simultaneously against 59 youngsters.

Shortly afterwards he found a sponsor in the form of computer company Psion and played Garry Kasparov at a simultaneous exhibition in 1995.

On television, Douglas appeared briefly as Garry Shandling's love interest on The Larry Sanders Show, starred in the series Action ( 1999 ) with Jay Mohr, guest starred on Seinfeld, Frasier and The Drew Carey Show, and has played a public defender on several episodes of Law & Order: Special Victims Unit in 2002 and 2003.

It was the first game played in the 1996 Deep Blue versus Garry Kasparov match, and the first time that a chess-playing computer defeated a reigning world champion under normal chess tournament conditions ( in particular, standard time control ; in this case 40 moves in two hours ).

After Emanuel Lasker's simplifying defense to the opening in a tournament in 1895, it was out of favour for much of the 20th century, although John Nunn and Jan Timman played some games with it in the late 1970s and early 1980s, and in the 1990s Garry Kasparov used it in a few of his games ( notably a famous 25-move win against Viswanathan Anand in Riga, 1995 ), which prompted a brief revival of interest in it.

Topalov's loss to reigning Classical World Champion Garry Kasparov at the 1999 Corus chess tournament is generally hailed as one of the greatest games ever played.

X3D Fritz was a version of the Fritz chess program, which in November 2003 played a four-game Human-computer chess match against world number one Grandmaster Garry Kasparov.