This page explains how Sugriv Grover (USATT# 1177689)'s rating went from 987 to 981 at the PINGPOD LEAGUE NIGHT event from 10 Jan 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.