Chess Olympiad: How Arjun Erigaisi suffered Rd 1 upset against lower-rated opponent

India's second-ranked Arjun Erigaisi suffered a surprising Round 1 defeat at the Chess Olympiad. He lost to Thailand's Prin Laohawirapap despite a significant rating advantage. Other Indian players secured victories, ensuring a team win against Thailand. The Indian women's team also achieved a dominant 4-0 victory over their opponents. These results occurred on the opening day of the prestigious Chess Olympiad.