An accountant is having a hard time sleeping...
An accountant is having a hard time sleeping and goes to see his doctor."Doctor, I just can't get to sleep at night." "Have you tried counting sheep?""That's the problem - I make a mistake and then spend three hours trying to find it."

A group of chess enthusiasts had checked into a hotel...
A group of chess enthusiasts had checked into a hotel,and were standing in the lobby discussing their recent tournament victories. After about an hour,the manager came out of the office and asked them to disperse."But why?", they asked, as they moved off."Because," he said, "I can't stand chess nuts boasting in an open foyer."