This page explains how TOMASZ PISARCZYK (USATT# 82584)'s rating went from 1525 to 1509 at the Land O' Lakes Table Tennis Club event from 19 Aug 2011. 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.