Russian grandmaster chessmen set wooden chess box - weighted big Soviet tournament chess pieces 1980s

Tournament weightes wooden chessmen set. Made in USSR.
Grandmaster Soviet chess pieces set vintage with original wooden box.

Height of the king is 10.7 cm., base is 42 mm.
Height of the pawn is 5.5 cm.

Heads of the knights & kings/queens finials made of plastic.

Chess was a very popular game in the Soviet Union. 
Children and adults were playing chess regularly, playing at home, on the streets, in the clubs.