This page explains how Robi Lexeme Tan Castillejo (USATT# 269822)'s rating went from 1755 to 1862 at the 2022 OXFORD ALABAMA OPEN held on 20 Aug 2022 - 20 Aug 2022. 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.