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My speciality is Radio-Physicist. I worked in National Center of Radio and TV of Georgia (from 1975 to 1996 as a Chief Engineer). From 1996 to 2001 worked in CHINA, GUANGZHOU. The first publication of chess study 1975. The published works nearby 500 (incl. 50 problems). 01 Mat v Etiudakh (1990) with G. Nadareishvili This book holds about 3660 studies with mate (In Russian). 02 World Anthology of Chess Studies ( in English):. Vol I - 4232 Studies with Stalemate (1994). VolII -4492 Studies with Mate (1994).