This page explains how Antonio Mattos (USATT# 1892)'s rating went from 1565 to 1613 at the 1995 Golden State Open held on - 28 May 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.