Alexander Koblencs
Alexander Koblencs ( , ; 3 September 1916 , Riga – 9 December 1993 , Berlin ) was a Latvian chess master , trainer , and writer . 
<triplet> Alexander Koblencs <subj> 3 September 1916 <obj> date of birth <subj> Riga <obj> place of birth <subj> 9 December 1993 <obj> date of death <subj> chess <obj> sport