The Unseen Factor in Upsets: Rating Gaps and Human Psychology The Round 1 upset at the Chess Olympiad between Arjun Erigaisi and Prin Laohawirapap has sparked debate about the role of rating gaps in chess.
With a 400 Elo point difference, many expected a formality in favor of the Indian grandmaster. Instead, Thailand's International Master pulled off one of the biggest upsets in Olympiad history.
Veteran Grandmaster Pravin Thipsay's analysis reveals a complex web of strategic decisions that ultimately led to Erigaisi's defeat.