Oslo: A day after turning 20, D Gukesh rediscovered both his spark and his smile, defeating compatriot R Praggnanandhaa in a gripping classical battle to pocket three full points and reignite his campaign in Norway Chess here.
Reigning champion Magnus Carlsen's woes deepened as he lost to American Grandmaster Wesley So, leaving the world No. 1 at the bottom of the six-player standings after five rounds.
