29 Dec 2018 - 29 Dec 2018
This page explains how Thanaphat Chananukul (USATT# 218864)'s rating went from 1204 to 1115 at the South Shore Sports & Butterfly Championships 2018 held on 29 Dec 2018 - 29 Dec 2018. The links below take you to pages that describe various aspects of the ratings processor.
The ratings 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.