World Chess Championship 1987
The 1987 World Chess Championship was played between Anatoly Karpov and Garry Kasparov in Seville from October 12 to December 19, 1987. Before the 24th game, Kasparov was down 12–11, but in the 24th game, Kasparov made a comeback by using the English Opening to win the final game to retain his title.
1985 Interzonal tournaments
Three Interzonal tournaments were held in 1985 in Tunis, Taxco, and Biel, with four players qualifying from each.1985–87 Candidates Tournament
The 12 qualifiers from the Interzonals were joined in the Candidates Tournament by three seeded players: Smyslov, Korchnoi, and Ribli. The final spot went to Spassky, who was given a wild card by the organizers.These 16 players first played a round-robin in Montpellier in October and November 1985, from which the top 4 would qualify for the knock-out phase.