Swindle like a Grandmaster
Pretend to be confused for an hour, so that his opponent thinks he blundered out of time pressure and fall into a game-winning trap.
http://chessstuff.blogspot.com/2005/04/swindle-like-grandmaster.html
Hiyelness: 8.5
Pretend to be confused for an hour, so that his opponent thinks he blundered out of time pressure and fall into a game-winning trap.