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Individual Calculations September 2021 |
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| Mou, Iris Total change: -9.20 | |   |
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| 2021 North American Youth Chess Championships - Girls Under 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1828 | 3.50 | 8 | -0.23 | 40 | -9.20 | |
|  Mendoza Recio, Josselyne | | | 1552 | MEX | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Hoesley, Aria | | | 1949 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Kumar, Arya | | | 1804 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Lee, Alice Teresa | | wc | 1994 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Ehsani, Yassamin | | wf | 1923 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Zeng, Sheena | | wc | 2078 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Caballero, Alonso Alexa Amairanh | | | 1602 | MEX | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Prasanna, Gracy Franco | | | 1897 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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