What chess champion who holds the records for consecutive professional tournament victories (15) was featured in the World Chess Championship 1984?
World Chess Championship 1984: The World Chess Championship 1984 was a match between challenger Garry Kasparov and defending champion Anatoly Karpov in Moscow from 10 September 1984 to 15 February 1985 for the World Chess Championship title. Garry Kasparov:  Kasparov also holds records for consecutive professional tournament victories (15) and Chess Oscars (11).
Garry Kasparov