Grandmaster Adrian Mikhalchishin is a well-known Ukrainian writer and player, and arguably the world's leading expert on the Fianchetto Grunfeld. Alexander Belyavsky is also a Ukrainian grandmaster, who became World Junior Champion in 1973 and won the USSR Championship on many occasions. He has competed regularly and successfully in countless super-grandmaster events. Alexander Belyavsky is a Ukrainian grandmaster, who became World Junior Champion in 1973 and won the USSR Championship on many occasions. He has reached the Candidates' stage of the world championship three times and has competed regularly and successfully in countless super-grandmaster events. In 1993 he acted as a trainer to Garry Kasparov.