(Q1484802)
Statements
Identifiers
Sitelinks
Wikipedia(7 entries)
- dewiki GBR-Code
- enwiki GBR code
- eswiki Código GBR
- itwiki Codice Guy-Blandford-Roycroft
- jawiki GBRコード
- ptwiki Código Guy-Blandford-Roycroft
- ruwiki Код ГБР
system for representing classes of chess positions
No description defined