This page explains how Grzegorz Zyjewski (USATT# 274456)'s rating went from 1165 to 1162 at the 2024 USATT Wisconsin Closed State Championships held on 18 May 2024 - 18 May 2024. 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.