This page explains how Marcin Wieczorek (USATT# 275669)'s rating went from 1293 to 1264 at the PINGPOD LEAGUE NIGHT event from 8 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.