<prompt> Bhala ukuqhubeka kwalesi sigaba - UBoris Pertel ; owazalwa ngo-21 Ephreli 1888, usuku lokufa alwaziwa wayengumdubuli wezemidlalo waseRussia. Wancintisana emncintiswaneni wesicupho samadoda  <response>: kuma-Olympic Asehlobo ka-1912. 