A study of more than 117,000 pro tennis matches and more than 5 million observations in online amateur chess indicates that even when competitors are evenly matched, players perform worse against an opponent they know has been climbing in rank.
A study of more than 117,000 pro tennis matches and more than 5 million observations in online amateur chess indicates that even when competitors are evenly matched, players perform worse against an opponent they know has been climbing in rank.