This page explains how Ying Peng (USATT# 30666)'s rating went from 2184 to 2178 at the 12th Everbright-BIT Cup Open Table Tennis Championship held on - 16 Jun 2012. 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.