This page explains how Michael K. Marinas (USATT# 38893)'s rating went from 1175 to 1397 at the 888 League event from 13 Aug 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.