Question: What chess champion who holds the records for consecutive professional tournament victories (15) was featured in the World Chess Championship 1984?
Sentence (from "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.
Relevant evidence: Yes