🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaРусскийEntityQ97960· pop 8· linked from 11 articlesHorst RittnerGerman chess grandmaster (1930–2021)ConnectionsWorld Correspondence Chess ChampionshipEntityUnited StatesCountryCategories1930 births2021 deaths20th-century German chess playersChess players from WrocławCorrespondence chess grandmastersPeople from the Province of Lower SilesiaWorld Correspondence Chess Champions