Shakhriyar Mamedyarov joined Wesley So and Alexander Grischuk in the lead of the Superbet Chess Classic after beating local hero Constantin Lupulescu in round 5. The Romanian, who played with the white pieces, faltered in time trouble and is now sharing last place with Maxime Vachier-Lagrave and Anish Giri — a single point behind the leaders, though! | Photo: Bryan Adams