Jack Cheng
USATT#: 270749
| Certified Umpire
1133 1249
2023 Butterfly Houston Lunar New Year Tournament
28 Jan 2023 - 28 Jan 2023
28 Jan 2023 - 28 Jan 2023
This page explains how Jack Cheng (USATT# 270749)'s rating went from 1133 to 1249 at the 2023 Butterfly Houston Lunar New Year Tournament held on 28 Jan 2023 - 28 Jan 2023. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
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.