Chess World Cup 1988–1989

=== Qualification ===

=== Qualification ===

[[File:Euwe-schaakvierkamp v.l.n.r. Karpov, Timman, Ljubojevic, Short, Bestanddeelnr 934-2059.jpg|alt=photo of Karpov, Timman, Ljubojević, and Short|thumb|From left to right: Karpov, Timman, Ljubojević, and Short in 1988]]

[[File:Euwe-schaakvierkamp v.l.n.r. Karpov, Timman, Ljubojevic, Short, Bestanddeelnr 934-2059.jpg|alt=photo of Karpov, Timman, Ljubojević, and Short|thumb|From left to right: Karpov, Timman, Ljubojević, and Short in 1988]]

Initially, twenty-four competitors were chosen. The [[World Chess Championship 1987|World Chess Champion]], Challenger, and top four finishers in the Candidates Tournament qualified; six more qualified from the [[FIDE]] average ratings list; and four qualified from each of the three [[World Chess Championship 1990#1987 Interzonal tournaments|1987 Interzonal tournaments]]. Each nation was limited to eight players, excluding the World Champion; this limited the number of players from the [[Soviet Union]] to nine. Because of a four-way tie for fourth place in the Zagreb Interzonal, a play-off tournament was held between [[Jesús Nogueiras]], [[Predrag Nikolić]], and [[Julio Granda]] to qualify as reserve in the Candidates, which Nikolić won. However, a World Cup rule for qualification said the tie should be broken by greatest number of games as black, followed by the [[Sonneborn–Berger score]]; this would allow Nogeuiras to qualify. The GMA invited both Nikolić and Nogueiras to the World Cup, and four of the six tournaments were expanded from 16 to 18 players, with local players filling the extra spot.{{Sfn|Kavalek|1990|p=30}}

Initially, twenty-four competitors were chosen. The [[World Chess Championship 1987|World Chess Champion]], Challenger, and top four finishers in the Candidates Tournament qualified; six more qualified from the [[FIDE]] average ratings list; and four qualified from each of the three [[World Chess Championship 1990#1987 Interzonal tournaments|1987 Interzonal tournaments]]. Each nation was limited to eight players, excluding the World Champion; this limited the number of players from the [[Soviet Union]] to nine. Because of a four-way tie for fourth place in the Zagreb Interzonal, a play-off tournament was held between [[Jesús Nogueiras]], [[Predrag Nikolić]], and [[Julio Granda]] to qualify as reserve in the Candidates, which Nikolić won. However, a World Cup rule for qualification said the tie should be broken by greatest number of games as Black, followed by the [[Sonneborn–Berger score]]; this would allow Nogeuiras to qualify. The GMA invited both Nikolić and Nogueiras to the World Cup, and four of the six tournaments were expanded from 16 to 18 players, with local players filling the extra spot.{{Sfn|Kavalek|1990|p=30}}

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