Scientists find a winning strategy for rock-paper-scissors(arstechnica.com)
arstechnica.com
Scientists find a winning strategy for rock-paper-scissors
http://arstechnica.com/science/2014/05/win-at-rock-paper-scissors-by-knowing-thy-opponent/
http://arstechnica.com/science/2014/05/win-at-rock-paper-scissors-by-knowing-thy-opponent/
Not even that. This won't work if you're playing someone who's consciously trying to play mind games.
(Usually the actual mind-games played are meaningless, but they alter the kind of instinctive psychology that underlies this strategy.)