Fredrik Persson
USATT#: 218929
1807 1792
LATTA Butterfly Open May 2023
20 May 2023 - 20 May 2023
20 May 2023 - 20 May 2023
This page explains how Fredrik Persson (USATT# 218929)'s rating went from 1807 to 1792 at the LATTA Butterfly Open May 2023 held on 20 May 2023 - 20 May 2023. 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.