Hans Keller (chess player)Austrian chess player / From Wikipedia, the free encyclopedia Hans Keller (unknown — unknown) was an Austrian chess player. Quick Facts Country, Born ...Hans KellerCountryAustriaBornunknownDiedunknownClose
Hans Keller (unknown — unknown) was an Austrian chess player. Quick Facts Country, Born ...Hans KellerCountryAustriaBornunknownDiedunknownClose