Derwin Mercer
USATT#: 214344
1625 1618
2021 Washington DC Table Tennis Open and Giant Round Open
23 Oct 2021 - 24 Oct 2021
23 Oct 2021 - 24 Oct 2021
This page explains how Derwin Mercer (USATT# 214344)'s rating went from 1625 to 1618 at the 2021 Washington DC Table Tennis Open and Giant Round Open held on 23 Oct 2021 - 24 Oct 2021. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
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.