Jan Williams
USATT#: 218009
990 940
PPC 2020 Winter Open
18 Jan 2020 - 18 Jan 2020
18 Jan 2020 - 18 Jan 2020
This page explains how Jan Williams (USATT# 218009)'s rating went from 990 to 940 at the PPC 2020 Winter Open held on 18 Jan 2020 - 18 Jan 2020. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
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.