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Individual Calculations September 2021 |
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| Mendoza Recio, Josselyne Total change: -40.00 | |   |
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| Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez Tabasco 2021 Sub 18 Femenil | Villahermosa, Tabasco | MEX | 2021-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1475 | 1552 | 2.50 | 5 | -0.39 | 40 | -15.60 | |
|  Valdes, Alvarez Lilia Cristina | | | 1152 * | MEX | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Cabrera Cruz, Brenda Elisa | | | 1652 | MEX | 0.00 | 1 | -0.36 | 40 | -14.40 | |  Rodriguez Marquez, Luz Mar | | | 1420 | MEX | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Del Razo Mendoza, Andrea Nikole | | | 1499 | MEX | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Benito De Leo, Estefania | | | 1651 | MEX | 0.00 | 1 | -0.36 | 40 | -14.40 | | | * 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) | | | | 2021 North American Youth Chess Championships - Girls Under 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1552 | 1.50 | 7 | -0.61 | 40 | -24.40 | |
| | Mou, Iris | | wc | 1828 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Dommalapati, Aasa | | wc | 1713 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Matus, Nastassja A | | wf | 1906 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Caballero, Alonso Alexa Amairanh | | | 1602 | MEX | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Gaw, Chloe | | | 1685 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Benito De Leo, Estefania | | | 1651 | MEX | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Carrillo Aguayo, Bertha Hiromi | | | 1604 | MEX | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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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