This page explains how Zoltan Boldy (USATT# 2783)'s rating went from 2177 to 2155 at the MATTC November Open held on - 12 Nov 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.