This page explains how John Mark Wetzler (USATT# 11058)'s rating went from 1974 to 1929 at the 2024 Virginia Spring Open held on 6 Apr 2024 - 7 Apr 2024. 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.