Against Gurgenidze at the 1957 championship in Moscow, he unleashed the double sacrifice 14...Nxf2!! 15.Kxf2 Qh4+ 16.Kf1 (16.g3?
Melawan Gurgenidze pada kejuaraan 1957 di Moscow, dia melancarkan pengorbanan ganda 14...Kxf2!! 15.Rxf2 Mh4+ 16.Rf1 (16.g3?