The WGC 2006 took place in Prague from 7th to 15th of October.

Gernot Kaden won the contest with beautiful Delta Snakeskin Lace. 51 breeders with 105 sets of Guppies participated. The ranking list can be found on the website of the AKV as a PDF file.
http://www.akvarium.cz/1899/pages/contest/2006/vysledky/wgc_akv.pdf

Also you can find a nice article about the show written by Michael Lehmann and photographed by Eddy Vanvorden at:
http://web409.server5.computerservice.net/Prag%202006.htm