This page explains how Brian Min (USATT# 95669)'s rating went from 1400 to 1390 at the South Bay Fall / Winter Singles League 2018 event from 9 Nov 2018. 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.