Interzonal

Interzonal chess tournaments were tournaments organized by FIDE, the World Chess Federation, and were a stage in the triennial World Chess Championship cycle. == Zonal tournaments == In the first year of the cycle, every FIDE member nation would hold a national championship, with the top players qualifying for the Zonal tournament. The world was d
Found on http://en.wikipedia.org/wiki/Interzonal
No exact match found