This page explains how Troy Tettey (USATT# 222580)'s rating went from 1001 to 1020 at the Monday Night League - past event from 30 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.