This page explains how Louis R. Alamina (USATT# 20580)'s rating went from n/a to 1363 at the San Antonio TTC League event from 23 Aug 2019. 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.