This page explains how Gary Ng (USATT# 230156)'s rating went from 1484 to 1517 at the SPTTC MAY GIANT RR & DOUBLES TOURNAMENT held on 6 May 2023 - 7 May 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.