Chief not only knew it was a multi ID, but it was one of his own multi ID's.
He asked a kind member of the KM to sponsor this ID, under the pretense that the person could not afford membership themselves. A generous person paid the membership, which Chief then used for less than honest dealings.
(peida) Kui Sa tahad kindla mängutasemega vastast, siis võid uue partii loomisel määrata tema BKR vahemiku. Siis teised mängijad ei näe ega saa seda kutset vastu võtta. (Katechka) (näita kõiki vihjeid)