This page explains how Ashifi Gogo (USATT# 264732)'s rating went from 1299 to 1271 at the Boston TTC Div.B event from 27 Jan 2020. 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.