Disambiguation evidence for World Chess Championship 1969 via surface form

"World Chess Championship 1969"

Triples (2)

Triples where some other subject referred to this entity as "World Chess Championship 1969".

World Chess Championship 1972 → previousEdition →
"World Chess Championship 1969"
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Boris Spassky → participatedIn →
"World Chess Championship 1969"
ⓘ