FIDE World Chess Championship cycle 1978-1981

[ Competition summary || European zonal 1 | European zonal 2 | European zonal 3 | Soviet zonal | US zonal | Canadian zonal |
| Caribbean-Central American zonal 1 | Caribbean-Central American zonal 2 | South American zonal | West Asian zonal | Asian Pacific zonal | Mediterranean-African zonal ||
|| Riga interzonal | Rio de Janeiro interzonal || Candidates QF | Candidates SF | Candidates F || WCh match ]

Canadian Zonal