Sometimes it's the small rules, or the interpretation or even knowledge of or ability to see the small rules that make a difference.
According to Olympic Coach Harvey Newton, "At both national and international meets we frequently seem to have technical officials who lack the ability to properly enforce the technical rules."
As an example, Newton continues, "Witness the +105s at the Rio Olympic Games when favorite Salimi (IRI) was approved on a jerk that clearly (at least from my NBC Sports vantage point) included bending and extending of the arms, a violation of IWF Rule 220.127.116.11. The Jury, in a unanimous action, overturned the referees, refused the lift, and contributed to an upset in this class."
Using Dartfish, Coach Newton illustrates another example of a small technical rule that got past the officials at this year’s USA Olympic Trials.