The International Wrestling Federation held some amendments to the rules in September 2013 to find a way of suspense, excitement and fun in the game. The researcher wanted to shed light on the world championships, which was held in Hungary in 2013, and analyses it, where it contributes to supply coaches with adequate information for the preparation of training programs according to the quality of the skills used that had a great effect in winning. Therefore the current research aims at identifying the impact of modern rules amendments in modifying the results of matches. For this purpose, the researcher used the Descriptive Approach and a sample from 2011,2013 World Championships . The researcher concluded that there is an increase in the technical points that have been achieved during 2013 championship than that of 2011 ones, also technical skills order was changed with keeping "gut wrench skill" in the first order during the two championships, but the ″take down" and ″throws″ skills importance increased during 2013 championship than that of 2011ones, and finally the researcher founded significant higher winning percentage in″technical superiority″ and ″ Victory by fall ″ during 2013 championship than that of 2011 ones, which confirms the great role of amendments to the rules in the 2013 match results.