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Individual Calculations September 2009 |
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| Estrada, Lucia Total change: 18.45 | |   |
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| Primer Olimpiada del Mercosur 2009 | Mar del Plata | ARG | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1887 | 1.50 | 2 | 0.59 | 15 | 8.85 | |
|  Fernandez, Florencia | | | 2105 | ARG | 0.50 | 1 | 0.28 | 15 | 4.20 | |  Donatti, Sofia | | wc | 1749 | URU | 1.00 | 1 | 0.31 | 15 | 4.65 | |
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) | | | | XX Panamericano Mar del Plata U18 Fem | Mar del Plata | ARG | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 1961 | 4.50 | 8 | 0.64 | 15 | 9.60 | |
| | Jamison, Courtney | | | 1976 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Fernandez, Maria Florencia | | | 2191 | ARG | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Torres Cancino, Anita | | | 1765 | PER | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Orozco, Lina Yomayra | | | 2148 | COL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Cordero, Daniela | | | 1992 | BOL | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Romero Echeverria, Abigail | | | 2049 | ECU | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Duran Juarez, Citlali | | | 1854 | MEX | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Mendoza, Samanta | | | 1839 | BOL | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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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