BBC World Service have broadcast a documentary on the success of Armenian chess. A link to the podcast...
http://www.bbc.co.uk/podcasts/series/docarchive
from which:
"Every two years teams from all over the world compete with one another in the Chess Olympiad. In the last two Olympiads, the winning medal has gone to a small country in the Caucasus. How has this nation done it? Gabriel Gatehouse investigates."