Grandmaster D Gukesh did well to hold top-seeded American Fabiano Caruana to a draw but Vidit Gujrathi suffered another defeat at the hands of Ian Nepomniachtchi of Russia in the fourth round of the Candidates chess tournament now underway here.

On a day when R Praggnanandhaa played out an uneventful draw with Hikaru Nakamura of the United States, Nijat Abasov of Azerbaijan fought hard to split the point with Firouzja Alireza of France to stay in contention in the eight-player double round-robin event that decides the challenger for the next world championship.