This page explains how Yun Peng (USATT# 76263)'s rating went from 1847 to 1856 at the SVTTC Sunday U2000 event from 8 Feb 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.