This page explains how Jeff Guttenberg (USATT# 270489)'s rating went from 1347 to 1357 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.