First 5 years:

A monthly magazine intended for highly qualified chess players. Publishes theoretical articles and reviews, games
of Soviet and foreign competitions (not included in the pages of the jury, "Chess in the USSR" and special bulletins), chronicles, and chess archive materials (games of competitions and chess players of the past).

Sacharov 950

1955 circulation:1000
1956 circulation:1000
1957 circulation: 1500-3000
1958 circulation: 3850-4400
1959 circulation: 5080-5635

Bound, possibly without covers, with title pages