This page explains how Ashifi Gogo (USATT# 264732)'s rating went from 1273 to 1267 at the Boston TTC Div.B event from 7 Oct 2019. 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.