This page explains how Isaac Chavez (USATT# 223679)'s rating went from 1433 to 1430 at the 2023 San Antonio Open and Teams held on 11 Feb 2023 - 12 Feb 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.