<https://blogs.faz.net/schachblog/#/schema/person/image/>
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<https://secure.gravatar.com/avatar/6ee34a555fa40a5cf78bc21adc004f4d?s=96&d=mm&r=g>
<https://blogs.faz.net/schachblog/2018/11/01/kult-um-lasker-1454/>