William Feng
USATT#: 222276
2020 1984
SJISC Butterfly May Open
21 May 2022 - 21 May 2022
21 May 2022 - 21 May 2022
This page explains how William Feng (USATT# 222276)'s rating went from 2020 to 1984 at the SJISC Butterfly May Open held on 21 May 2022 - 21 May 2022. 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.