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Individual Calculations April 2020 |
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| Semana Ramirez, Brenda Total change: 20.40 | |   |
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| Campeonato Nacional Categorias Menores Impares U13 Femenino | San Ramon | CRC | 2020-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1131 | 1260 | 2.50 | 3 | 0.51 | 40 | 20.40 | |
|  Diaz Charpentier, Ashly Valeri | | | 1024 | CRC | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Salazar Gould, Kristy Valeria | | | 1310 | CRC | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Monge Ramirez, Abigail | | | 1058 | CRC | 0.50 | 1 | -0.26 | 40 | -10.40 | |
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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