Portraits Mikhail Umansky (Champion du monde 1989-1998) 12 mai 2011 Webmestre AJEC Mikhail UMANSKY (U.R.S.S.) Champion du Monde par correspondance de 1989 à 1998. BANG Erik – UMANSKY Mikhail – 1989 your web browser and/or your host do not support iframes as required to display the chessboard; alternatively your wordpress theme might suppress the html iframe tag from articles or excerpts