This page explains how Ziggy Rivkin-Fish (USATT# 1166586)'s rating went from 1543 to 1578 at the 2024 Butterfly Triangle Adult Ranking Championships held on 14 Jun 2024 - 16 Jun 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.