This page explains how Martin Sundel (USATT# 13660)'s rating went from 1847 to 1858 at the Robo Pong April 2015 BTTC Open held on - 18 Apr 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.