This page explains how Robert Koch (USATT# 94867)'s rating went from 1510 to 1540 at the San Diego Open - Neil Smyth Memorial held on - 4 Oct 2015. 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.