Charles O Olisa
USATT#: 97816
1943 1938
2020 Alamo City Open
22 Feb 2020 - 22 Feb 2020
22 Feb 2020 - 22 Feb 2020
This page explains how Charles O Olisa (USATT# 97816)'s rating went from 1943 to 1938 at the 2020 Alamo City Open held on 22 Feb 2020 - 22 Feb 2020. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
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.