This page explains how Simon Gendler (USATT# 58822)'s rating went from 1540 to 1531 at the AGBU TTT held on - 30 Aug 1998. 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.