This page explains how Guclu Toker (USATT# 218980)'s rating went from 1917 to 1897 at the Spttc Saturday Night League event from 7 Apr 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.