This page explains how Daniel Wen (USATT# 221407)'s rating went from 1978 to 1966 at the Spttc Saturday Night League event from 18 Aug 2018. 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.