Today, 3 June 2023, Nils Grandelius celebrates his 30th birthday. Grandelius is known as his country's long-time leading player, an important member of the Swedish team, and has won several major international tournaments in his career to date. Grandelius worked as Magnus Carlsen's second for the World Chess Championship matches in 2016 and 2018, and is also a well-known author and teacher. | Nils Grandelius at the TePe Sigeman & Co. tournament in 2023 | Photo: David Llada