This page explains how William Waltrip (USATT# 72008)'s rating went from 1846 to 1751 at the MATTBC Open held on - 11 Apr 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.