Arjun Erigaisi bounced back from a difficult start to the Chess Olympiad with a convincing victory over Maksim Chigaev, helping defending champions India beat Spain 3-1 in Round 4. Gukesh continued his impressive run, while Praggnanandhaa and Nihal Sarin drew. India’s women also remained unbeaten, beating Mongolia 3-1 as both Indian teams maintained their winning momentum in Samarkand.