This page explains how Sidharth Vitthanala (USATT# 271801)'s rating went from 1173 to 1117 at the 2023 FREMONT BUTTERFLY APRIL OPEN held on 28 Apr 2023 - 30 Apr 2023. 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.