This page explains how Kathiravan Tamilvanan (USATT# 203231)'s rating went from 1642 to 1657 at the ASLT League event from 14 Apr 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.