This page explains how John Andrade (USATT# 3893)'s rating went from 2063 to 2025 at the PENN Closed Championships held on - 23 Apr 1995. 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.