This page explains how Kai Zarehbin (USATT# 91905)'s rating went from 2282 to 2283 at the Boston TTC event from 14 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.