This page explains how Gil Alchuli (USATT# 1164361)'s rating went from 1570 to 1545 at the SMC PROF. JO KIDD MEMORIAL TOURNAMENT held on 19 Nov 2023 - 19 Nov 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.