Gukesh Dommaraju has taken the lead in the Tata Steel Chess Masters standings after defeating compatriot Leon Luke Mendonca. In other matches, Nodirbek Abdusattorov drew against Fabiano Caruana, while Praggnanandhaa Rameshbabu was defeated by Anish Giri. Arjun Erigaisi drew with defending champion Wei Yi, and Pentala Harikrishna lost to Vladimir Fedoseev.
Gukesh becomes sole leader; Praggnanandhaa beaten for first time
