If You Run The Tournament And The Person Fails The Test The Person Putting On The Tournament Will Not Bring This To Light Because It Can Not Be Used In Court So He Can Sue You As The Individual Putting On The Tournament. It Is A Great Deterant Thats All . You Can Not Do A Real Polygraph In A Short Period Of Time. Saying This I Know What I Am Talking About On This Matter. I Would Love To Say More But For Those Considering Cheating I Will Not. But I Did Put Tournanments On For Yeras Always Used A Pologragh Examiner If I Knew Something Wasnt Right I Dealt With And Took Care Of The Problem.cheating Happens And Will Continue To Happen As Sad As That Is.