This page explains how Adrian Lungu (USATT# 74533)'s rating went from 1507 to 1467 at the PTTC Saturday League event from 16 May 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.