This page explains how Wentao Zhang (USATT# 222127)'s rating went from 1120 to 1222 at the LATTA Butterfly April Open held on 20 Apr 2024 - 20 Apr 2024. 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.