Tournament chess players have already been caught cheating in person using mobile phones. Recent example [1] [1] https://www.chess.com/news/view/igors-rausis-5

Tournament chess players have already been caught cheating in person using mobile phones. Recent example [1] [1] https://www.chess.com/news/view/igors-rausis-58-under-investigation-of-cheating https://www.chess.com/news/view/igors-rausis-58-under-invest...