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The 1984 championship match between Karpov and Kasparov had many ups and downs, and a very controversial finish. Karpov started in very good form, and after nine games Kasparov was down 4–0 in a "first to six wins" match. Fellow players predicted he would be whitewashed 6–0 within 18 games.
But Kasparov dug in and battled Karpov to 17 successive draws. He lost game 27, then fought back with another series of draws until game 32, his first-ever win against the World Champion. Another 14 successive draws followed, through game 46. The previous record length for a world title match had been 34 games, the 1927 match between José Capablanca and Alexander Alekhine, which also followed the "first to 6 wins" format. Games 47 and 48 were both won by the challenger, making the score 5–3 in favor of Karpov and the eventual outcome far less certain.
Then the match was ended without result by Florencio Campomanes, the President of the World Chess Federation, and a new match was announced to start a few months later. The termination was controversial, as both players stated that they preferred the match to continue. Announcing his decision at a press conference, Campomanes cited the health of the players, which had been strained by the length of the match (5 months: 10 September 1984 to 8 February 1985).
The 1984 match became the first, and so far only, world championship match to be abandoned without result. Karpov would later say that, if he had won this match 6-0, Kasparov would never have become world champion, because he was too emotional.On the other hand, Raymond Keene felt that Kasparov showed "an astonishing buoyancy and resilience of spirit"