Deleva entered the European Championship podium back in 2017, 3.place in a very hard category. Working hers way upward in the European Championships, into the 2nd place the year after – and later same year, 2018 – the first EC tittle is a fact – in the open-weight category. Beating the reign champion Inga Mikštaitė in the final, revenges her loss from EC weight category same year om her way, securing a win against Monika Zielińska. No one can match Deleva’s incredible drive and intensity. -not the year after either, EC weight category tittle after a win in the final against Magdalena Gustaitytė. Representing Bulgaria in the 12th World Championship in 2019.