This page explains how Katsushi Nomura (USATT# 280259)'s rating went from n/a to 1954 at the Arkansas State Closed Championships held on 21 Oct 2023 - 21 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.