This page explains how Nathan A Crabtree (USATT# 95450)'s rating went from 1124 to 1219 at the Austin Table Tennis League event from 17 Dec 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.