D Gukesh has secured the sole lead at the ongoing Tata Steel Chess Masters 2025 after beating Leon Luke Mendonca in round nine. This is Gukesh's first tournament since becoming the world chess champion. Also in round nine, R Praggnanandhaa lost to Anish Giri while Wei Yi and Arjun Erigaisi played out a draw. Check out the latest Tata steel chess standings.