This page explains how Nathaniel Kaufman (USATT# 87786)'s rating went from n/a to 687 at the LYTTC April Open held on - 15 Apr 2012. 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.