This page explains how Ivan Manchev (USATT# 270195)'s rating went from 1387 to 1276 at the Central Carolinas Super League event from 28 Dec 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.