[2] She won the women's heavyweight title at the 2011 World Taekwondo Championships, held in Gyeongju, South Korea, defeating South Korean An Sae-Bom 1–0 in the final.

[3] She won the gold medal at the 2012 European Taekwondo Championships.

Graffe, who had been training under Myriam Baverel at the Institut national du sport, de l'expertise et de la performance (INSEP) for five years, had only been entered for the competition a month before the start of the 2012 Summer Olympics following the withdrawal due to injury of Gwladys Épangue.

She cruised through the early rounds to reach the final, where she met Serbia's Milica Mandić.

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