This page explains how Charles O Olisa (USATT# 97816)'s rating went from 1940 to 1959 at the Experior Club League event from 12 Oct 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.