This page explains how Keigo Yamagami (USATT# 216055)'s rating went from 1947 to 1956 at the Experior Club League event from 7 Aug 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.