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Individual Calculations September 2009 |
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| Jorquera, Valentina Total change: 51.25 | |   |
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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 |
| 1990 | 1957 | 4.00 | 5 | 1.74 | 25 | 43.50 | |
|  Donatti, Sofia | | wc | 1749 | URU | 1.00 | 1 | 0.23 | 25 | 5.75 | | | Lovece, Ruth | | wf | 2016 | ARG | 1.00 | 1 | 0.58 | 25 | 14.50 | |  Cordero, Daniela | | | 1969 | BOL | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Feliciano, Vannesa | | wf | 2112 | BRA | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Fernandez, Florencia | | | 2105 | ARG | 1.00 | 1 | 0.70 | 25 | 17.50 | |
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) | | | | CAMPEONATO CHILENO SUB 20 Femenino 2009 | Santiago | CHI | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 1946 | 2.50 | 3 | 0.95 | 25 | 23.75 | |
| | Abarca Gonzalez, Damaris | | | 1980 | CHI | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Toro Pradenas, Maria Jose | | | 2043 | CHI | 1.00 | 1 | 0.63 | 25 | 15.75 | | | Cortes Arias, Mariela Natalia | | | 1772 | CHI | 1.00 | 1 | 0.27 | 25 | 6.75 | |
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 U14 Fem | Mar del Plata | ARG | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1946 | 2.00 | 5 | -0.64 | 25 | -16.00 | |
| | Castrillon Gomez, Gomez Melissa | | | 2031 | COL | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Loaiza, Yurani | | | 1975 | COL | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Orbezo Rosales, Ximena Lucia | | | 1776 | PER | 0.00 | 1 | -0.72 | 25 | -18.00 | | | Prado, Alexandra | | | 1777 | BOL | 1.00 | 1 | 0.28 | 25 | 7.00 | | | Casusol, Cecilia | | | 2050 | PER | 1.00 | 1 | 0.64 | 25 | 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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