This page explains how Patryk Zyworonek (USATT# 96307)'s rating went from 2054 to 2038 at the 2018 US Open held on 16 Dec 2018 - 22 Dec 2018. 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.