This page explains how Jiaming Zheng (USATT# 216579)'s rating went from n/a to 1959 at the BTTC League event from 10 Jan 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.