This page explains how Bob Leming (USATT# 263511)'s rating went from 1230 to 1172 at the 2023 September Open @ Princeton Pong held on 2 Sep 2023 - 3 Sep 2023. 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.