In this interview with Magnus Carlsen Carlsen mentions that being alterted in critical situation would be enough to get an advantage. https://www.youtube.com/w

In this interview with Magnus Carlsen Carlsen mentions that being alterted in critical situation would be enough to get an advantage. https://www.youtube.com/watch?v=VcbHmHHwlUQ https://www.youtube.com/watch?v=VcbHmHHwlUQ In the second half they discuss ways of cheating. He also mentions that you have a psycological disadvantage if you play against someone you suspect to cheat.