This page explains how Li Ma (USATT# 196250)'s rating went from 1534 to 1542 at the NJTTC April Open held on - 5 Apr 2009. 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.