This page explains how Vitaliy Plugovoy (USATT# 140020)'s rating went from 1979 to 1980 at the Central Carolinas Super League event from 6 Feb 2020. 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.