This page explains how Kobe Couyoumjian (USATT# 95668)'s rating went from 2193 to 2148 at the San Diego Open 10K Tournament held on 12 May 2018 - 13 May 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.