This page explains how Bella Livshin (USATT# 64912)'s rating went from 1884 to 1890 at the 1998 Pacific Coast Open held on - 13 Sep 1998. 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.