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Individual Calculations October 2021 |
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| Huang, Elton Total change: -15.60 | |   |
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| 2021 Illinois Open State Championship - Open | Northbrook, Illinois | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1701 | 1584 | 1.00 | 4 | -0.39 | 40 | -15.60 | |
|  Li, David Tongjia | | | 1619 | USA | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Mu, Grant | | | 1636 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | |  Wisniowski, Natalie | | wc | 1723 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Gronski, Gabriel W | | | 1826 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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