This page explains how Jack Cheng (USATT# 270749)'s rating went from 1241 to 1351 at the 2023 HITTA Fall Open Tournament held on 7 Oct 2023 - 8 Oct 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.