This page explains how Jt Weng (USATT# 271809)'s rating went from 1990 to 1991 at the San Francisco Bay Area CLC event from 19 Jan 2024. 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.