Buuxi weedhan soo socota: Rabar wuxuu ka qaybgalay 1aad ee Balkaniad ee Belgrade sanadkii 1946. Yugoslavia ayaa ku guuleysatay, ka hor Romania, Bulgaria, iyo Albania. Waxa uu ku guuleystay billad lacag ah oo uu ku guuleystay koobkii 8-aad. Rabar wuxuu ka ciyaaray saddex Olombikada Chess. Bishii Agoosto / Sebtember 1950, wuxuu ku guuleystay laba billadood oo dahab ah: shaqsi ahaan guddiga afaraad (+8 <unk>0 =2), iyo koox, oo ay weheliyaan Gligorić, Pirc, Petar Trifunović, Milan Vidmar jr, iyo Stojan Puc, oo ka tirsan Olombikada 9aad ee Chess ee Dubrovnik. Bishii Ogosto 1952, wuxuu ku ciyaaray guddiga labaad ee Olombikada 10aad ee Chess ee Helsinki (+5 <unk>1 =6). Rabar wuxuu ku guuleystay laba billadood oo naxaas ah (shaqsi iyo koox). Bishii Sebtember 1954, wuxuu ku ciyaaray kaalinta afraad ee
Olombikada 11aad ee Chess ee Amsterdam (+1 <unk>3 =4). Yugoslavia waxay heshay bilada naxaasta ah. Saddexda Olombikada, Rabar wuxuu ku guuleystay shan billadood, iyo 30 ciyaarood oo uu dhaliyay (+14 -4 =12), boqolkiiba 66.7.