GMJakub Kosakowski

Jakub Kosakowski was born in 2002. He won Polish youth championships at under-10, under-14 and under-16 level, as well as silver medals in older age groups. His junior career also included six national rapid gold medals and two blitz titles. He represented Poland in European and world youth championships. In 2021 he finished second in the open section of the Rubinstein Memorial. He won silver in the Polish senior blitz championship in 2022 and became a grandmaster in 2025.