This page explains how Doon Wong (USATT# 11230)'s rating went from 1893 to 1887 at the Westside TT Jan '95 Open held on - 29 Jan 1995. 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.