This page explains how Spencer Ip (USATT# 34116)'s rating went from 1954 to 1917 at the Central Carolinas Super League event from 4 Nov 2010. 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.