Career
At the in Chicago, Chygayev missed out on a bronze medal after he was defeated by France"s Nordine Oubaali in the quarter finals. Chygayev qualified for the 2008 Summer Olympics, however, by virtue of getting to the quarter finals. At the Olympics he lost his second bout to Cuban Yampier Hernández.
Chygayev went up to flyweight represented the Ukraine at the 2008 European Amateur Boxing Championships in Liverpool, England.
At the championships Campbell defeated Munin Veli in the semifinals before facing lanky Swede Salomo North"tuve in the final. Despite being much shorter than his opponent the Ukrainian cruised to a 5:0 victory.