This page explains how Rony Joy (USATT# 90115)'s rating went from 1780 to 1739 at the Joola Teams South 2015 held on - 23 Aug 2015. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.