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Individual Calculations September 2021 |
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| Tien, Sophie Total change: 15.60 | |   |
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| 9th Annual WIM Ruth Haring National Tournament of Girls State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1696 | 2.00 | 4 | 0.39 | 40 | 15.60 | |
|  Vittal, Sanjana | | wf | 1938 | USA | 1.00 | 1 | 0.80 | 40 | 32.00 | |  Ehsani, Yassamin | | wf | 1936 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Hoesley, Aria | | | 1855 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Li, Iris | | | 1296 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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