This page explains how Huafeng Fan (USATT# 1173928)'s rating went from 1666 to 1814 at the 2024 Butterfly April Open @ Princeton Pong held on 6 Apr 2024 - 7 Apr 2024. 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.