This page explains how Tom Metz (USATT# 73482)'s rating went from 1380 to 1330 at the Rainbow Lakes Table Tennis Club event from 2 Feb 2018. 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.