He tied for first at Moscow 'B' 1986 (still a very strong field) on 7½/11, along with Edvins Kengis and Zurab Azmaiparashvili. Vasiukov won at Athens 1987 (Acropolis International) and at Budapest 1989 with 10/13, ahead of Gennady Timoshchenko. He took second at Belgorod 1990 (Miron Sher was first) at 9/14. He took the title at Graested 1990 with 6/9, ahead of Nigel Davies and Bent Larsen. He tied for first in a Veterans' event at Moscow 1991 with 5½/9, along with Geller.