This page explains how Lily Yan (USATT# 283571)'s rating went from 11 to n/a at the ICC - Sunday Beginners League event from 19 May 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.