Rubuta ci gaba ga wannan sakin layi - A Helsinki 1952, ya buga wasan na biyu, kuma ya lashe lambar zinare ta mutum tare da 101⁄2/13. A Amsterdam a shekara ta 1954
, ya sake kasancewa a tebur na biyu, ya ci 9/12, kuma ya dauki lambar tagulla ta mutum. A Moscow 1956, ya ci 81⁄2/13 a kwamitin na biyu, amma ya kasa lashe lambar yabo. A Munich 1958, ya yi 91⁄2/13 a kwamitin na biyu, mai kyau ga lambar azurfa ta mutum. A Leipzig 1960, an sauke shi zuwa ajiyar farko, kuma ya yi babban ci 111⁄2/13, wanda ya lashe lambar zinare.