This page explains how Adam Block (USATT# 63980)'s rating went from 1769 to 1756 at the Tucson Table Tennis Club League event from 1 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.