Prague R4: Pragg beats Keymer, catches Aravindh

Vincent Keymer continues to go all-in at the Masters section of the Chess Festival in Prague: the German went for an attack against Praggnanandhaa Rameshbabu, and lost. As a result, Pragg caught up with his compatriot Aravindh Chithambaram in the lead. Meanwhile, Wei Yi bounced back from his loss on Friday with a win over David Navara. | Photo: Petr Vrabec