This page explains how James A. Yannacone (USATT# 40478)'s rating went from n/a to 1591 at the SATTA League event from 19 Apr 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.