This page explains how Masha Zolotukhina (USATT# 1171582)'s rating went from 1947 to 1939 at the PINGPOD LEAGUE NIGHT event from 13 Feb 2023. 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.