This page explains how Jack Cheng (USATT# 270749)'s rating went from 1331 to 1355 at the HITTA Weekly League event from 6 Aug 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.