A crucial victory in Round 4 over GM Nikolic allowed GM David Howell of England to take up the sole lead after Round 4 at the Leiden Chess tournament 2015. This win also helped the British GM to cross the 2700-mark for the first time ever in the live ratings.
Amongst Indians, IM Arghyadip Das succeeded in holding GM Tiviakov to a draw while IM Palit Somak went down to much lesser rated Van Halderen.
Round 4 Results: Click Here