This page explains how Mark Walker (USATT# 1177042)'s rating went from n/a to 919 at the TTA Beg/Inter League - SATURDAY event from 15 Oct 2022. 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.