This page explains how Wayne Stiska (USATT# 221123)'s rating went from 1215 to 1205 at the Denver NorthSide TTC Spring Classic held on 6 May 2023 - 6 May 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.