Communist Party of Estonia (CPSU) (in Estonian: Eestimaa Kommunistlik Partei, in Russian: Kommunisticheskaya Partiya Estonii) was a political party in Estonia. The party, initially known as Communist Party of Estonia (on CPSU platform) (EKP (NLKP platvormil)), and was formed in 1990 through a split in the original EKP. The split occurred at the 20th congress of EKP in March 1990, as a reaction against the decision of the congress to separate EKP from the Communist Party of the Soviet Union. Immediately after the independence decision of EKP, the pro-Soviet delegates left the congress venue. The convened their own rival 20th congress on March 26, 1990. EKP(NLKP platvormil) elected its own Central Committee, headed by its First Secretary Alexander Gusev, and would function as a separate part