This page explains how Frank Valliant (USATT# 16295)'s rating went from 1570 to 1556 at the Florida State Closed held on - 30 Aug 1998. 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.