This page explains how Hirofumi Nakashima (USATT# 281339)'s rating went from n/a to n/a at the Swan Sunday League event from 12 Nov 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.