This page explains how Peter Cao (USATT# 219413)'s rating went from 1248 to 1237 at the LATTA Thanh Banh Memorial Open held on 26 Jan 2019 - 26 Jan 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.