This page explains how Reginald Tan (USATT# 275357)'s rating went from 1877 to 1880 at the LATTA Butterfly April Open held on 20 Apr 2024 - 20 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.