Parham Maghsoodloo became the first sole leader at the Masters section of the Prague Chess Festival after beating Praggnanandhaa Rameshbabu with the white pieces. Maghsoodloo thus ended Pragg’s undefeated streak of 47 games. In the one other decisive game of the round, Dommaraju Gukesh got the better of Thai Dai Van Nguyen. Meanwhile, Ediz Gurel scored a win to join Anton Korobov in the lead of the Challengers section. | Photo: Petr Vrabec