This page explains how Tung D. D. Phan (USATT# 9070)'s rating went from 2075 to 2082 at the OCTTA BUTTERFLY FIRST ANNUAL SENIORS OPEN held on 6 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.