This page explains how Hirofumi Nakashima (USATT# 281339)'s rating went from 42 to 43 at the Swan Sunday League event from 13 Jan 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.