This page explains how Paul T. Watts (USATT# 213)'s rating went from 1382 to 1383 at the Sun City Open Senior TTT held on - 2 May 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.