"Regarding bridge it is not possible to cheat with hand signals in professional bridge because the players are hidden from each other behind screens."
Despite a steady stream of anti-cheating measures, Bridge seems to experience a major cheating scandal every five years are so
https://www.vanityfair.com/culture/2016/02/competitive-bridge-cheating-scandal
I'm not sure that accusations of cheating in a 1952 tournament really qualify as chess "news"