This page explains how John Romoa (USATT# 13572)'s rating went from 1528 to 1465 at the 2023 Big Island Open held on 15 Apr 2023 - 16 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.