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Chumak won the bronze medal in the épée team event at the 2006 World Fencing Championships after beating Hungary in the bronze medal match. He accomplished this with his team mates Dmitriy Karuchenko, Maksym Khvorost and Bogdan Nikishin. He competed at the 2008 Beijing Olympics.
2006 World Fencing Championships, team épée.
Chumak also coaches at the Fencing Academy of Westchester in Hawthorne, NY.
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