This page explains how Suchart Sudhamma (USATT# 1166876)'s rating went from 1269 to 1276 at the LATTA Butterfly January Open 2023 held on 28 Jan 2023 - 28 Jan 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.