This page explains how Slawomir Gacki (USATT# 86188)'s rating went from 1974 to 2000 at the $6000 Nittaku Ohio Open held on 13 Aug 2021 - 14 Aug 2021. 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.