Russia's Evgeny Tishchenko (C) rests during the men's heavy(91KG) final of Boxing against Kazakhstan's Vassiliy Levit at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Evgeny Tishchenko won the gold medal. (Xinhua/Lin Yiguang)
Russia's Evgeny Tishchenko (top) competes against Kazakhstan's Vassiliy Levit during the men's heavy(91KG) final of Boxing at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Evgeny Tishchenko won the gold medal. (Xinhua/Lin Yiguang)
Russia's Evgeny Tishchenko (R) celebrates after the men's heavy(91KG) final of Boxing against Kazakhstan's Vassiliy Levit at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Evgeny Tishchenko won the gold medal. (Xinhua/Lin Yiguang)
Russia's Evgeny Tishchenko (R) competes against Kazakhstan's Vassiliy Levit during the men's heavy(91KG) final of Boxing at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Evgeny Tishchenko won the gold medal. (Xinhua/Lin Yiguang)
Russia's Evgeny Tishchenko (R) competes against Kazakhstan's Vassiliy Levit during the men's heavy(91KG) final of Boxing at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Evgeny Tishchenko won the gold medal. (Xinhua/Lin Yiguang)
Russia's Evgeny Tishchenko (R) competes against Kazakhstan's Vassiliy Levit during the men's heavy(91KG) final of Boxing at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Evgeny Tishchenko won the gold medal. (Xinhua/Lin Yiguang)
Russia's Evgeny Tishchenko (R) competes against Kazakhstan's Vassiliy Levit during the men's heavy(91KG) final of Boxing at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Evgeny Tishchenko won the gold medal. (Xinhua/Lin Yiguang)