This page explains how Danny Wan (USATT# 219179)'s rating went from 1942 to 1962 at the Patty and Si Wasserman Junior Table Tennis Tournament held on 12 Mar 2021 - 13 Mar 2021. 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.