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Individual Calculations May 2012 |
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| Viveros, Mariana Yibeth Total change: -19.35 | |   |
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| IRT Festival Nacional Ajedrez Escolar Sub17 Femenino | Cali | COL | 2012-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1691 | 0.50 | 4 | -1.05 | 15 | -15.75 | |
|  Bolanos, Brigeth | | | 1752 | COL | 0.50 | 1 | 0.08 | 15 | 1.20 | |  Velez Alvarez, Laura Camila | | | 1662 | COL | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Barbosa, Daniela | | | 1842 | COL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Cespedes Galindo, Estefania | | | 1850 | COL | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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) | | | | Zonal Sub-18 Femenino Zona Sur 2012 | Cali | COL | 2012-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1683 | 0.50 | 3 | -0.24 | 15 | -3.60 | |
| | Dominguez, Laura Lucia | | | 1933 | COL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Camacho, Lina Marcela | | | 1759 | COL | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Mejia Garcia, Michelle | | | 1985 | COL | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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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