This page explains how Mable M. Ng (USATT# 29265)'s rating went from 1824 to 1812 at the Brooklyn Borough President Open 2015 held on - 14 Jun 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.