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Individual Calculations September 2021 |
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| Carrillo Aguayo, Bertha Hiromi Total change: 53.20 | |   |
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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 |
| 1803 | 1604 | 3.50 | 8 | 1.33 | 40 | 53.20 | |
|  Matus, Nastassja A | | wf | 1906 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | |  Ehsani, Yassamin | | wf | 1923 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Hoesley, Aria | | | 1949 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Caballero, Alonso Alexa Amairanh | | | 1602 | MEX | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Zeng, Sheena | | wc | 2004 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Gaw, Chloe | | | 1685 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Kumar, Arya | | | 1804 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Mendoza Recio, Josselyne | | | 1552 | MEX | 0.50 | 1 | -0.07 | 40 | -2.80 | | | * 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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