This page explains how Keith Willard (USATT# 95826)'s rating went from 1142 to 1131 at the 2018 Paddle Palace 10K Hawkeye Open held on 3 Aug 2018 - 5 Aug 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.