In the article the new going is exposed near classification of coordinating internalss, structural maintenance of one of them  accuracy is analysed in detail. Accuracy  is difficult coordinating quality that has certain displays and varieties. Perfection of displays and varieties of accuracy requires the use of various exercises. For the evaluation of accuracy corresponding criteria are needed. The obtained data testify that developing accuracy is necessary in accordance with her varieties and displays. All of it requires the special going near maintenance of methodology of perfection of accuracy.