[2] Karamchakova reached sporting headlines at the 2002 Asian Games in Busan, South Korea, where she picked up a silver medal in the women's flyweight category (48 kg), being pinned by China's Zhong Xiue.

[3][4] When women's wrestling made its debut at the 2004 Summer Olympics in Athens, Karamchakova qualified for her naturalized Tajik squad in the inaugural 48 kg class.

[5] Earlier in the process, she placed third and guaranteed a spot on the Tajik wrestling team from the Olympic Qualification Tournament in Madrid, Spain.

[6] Karamchakova lost her opening match to eventual Olympic champion Irini Merleni of Ukraine on technical superiority, but bounced back to upset Greece's Fani Psatha in front of the home audience with a 5–3 verdict, and then pinned Tunisia's Fadhila Louati before reaching the two-minute mark.

Despite missing a spot for the semifinals, Karamchakova had a chance to compete against Russia's Lorisa Oorzhak, but she fell behind her fellow Russian rival by a rare 11–0 defeat, placing seventh in the final standings.