The wording actually given in this quote avoids the problems discussed by Will_Newsome and jimrandomh: admitting error clears the score, resets it to zero. If you were wrong, this wipes out your negative score, for a net win; if you were right, it wipes out your positive score, setting you back.
The wording actually given in this quote avoids the problems discussed by Will_Newsome and jimrandomh: admitting error clears the score, resets it to zero. If you were wrong, this wipes out your negative score, for a net win; if you were right, it wipes out your positive score, setting you back.
I think you meant to say right instead of wrong in this bit.
Fixed.
True, but clearly unintentional.