This page explains how Manny Velazquez (USATT# 90775)'s rating went from 1359 to 1349 at the San Antonio Summer Open held on - 16 Aug 2015. 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.