Gergely Aczél is a Hungarian chess Grandmaster and Fischer Random Chess World Championship participant. He was born on July 28, 1991 in Budapest, Hungary. Aczél achieved the rank of International Master in 2010 and became a Grandmaster in 2014, making him one of the youngest to achieve the rank.
In Fischer Random Chess, he participated in the FIDE World Fischer Random Chess Championship in 2019, reaching the top 16. He achieved the best performance among Hungarian players and was the only non-Norwegian to finish in the top four in one of the four qualification groups.