| Country | Base | Autor |
| Argentina | BaseArgentina | Ruben Casafus |
| Australia | OzBase | Paul Dunn |
| Brasil | BrasilBase | Adaucto Wanderley da Nobrega |
| Canada | Montreal Base | Hugh Brodie |
| Colombia | AjedrezColombia | Osvaldo Orozco |
| Czech Republic | Czech-Base | Zdenek Zavodny |
| Denmark | DanBase | Eric Bentzen |
| Finland | Suomipelit | Jarmo Sorvari |
| France | Base Francaise | Eric Delaire |
| Germany | Detta's Games | Detlef Doell |
| Great Britain | Britbase | John Saunders |
| Greece | Greekbase | Sodel |
| Holland | Dutchbase | Jack Goossens |
| Ireland | Irish Chess Archives | Mark Orr |
| Italia | Italbase | Francesco Gibellato |
| Poland | Polbase | Adam Umiastowski |
| Portugal | PortBase | Luis Miguel Costa |
| Russia | RusBase | Rustam Alimuradov |
| Sweden | SveBas | Dan Östergaard |
| Ukraine | UkrBase | Mikhail Golubev |
| Yugoslavia | YuBase | Mirsad Crnic |