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Individual Calculations May 2011 |
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| Viveros, Mariana Yibeth Total change: -16.00 | |   |
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| IRT Nacional Sub15 Absoluto | Bogota | COL | 2011-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 1727 | 1.50 | 4 | 0.99 | 25 | 24.75 | |
|  Ruiz C, Joshua D | f | | 2127 * | COL | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Salcedo, Jackeline | | wf | 2027 | COL | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Patino, Daniel Santiago | | | 2015 | COL | 1.00 | 1 | 0.84 | 25 | 21.00 | | | Mercado, Luisa Fernanda | | wf | 2056 | COL | 0.00 | 1 | -0.12 | 25 | -3.00 | | | * 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) | | | | IRT Torneo Zonal Sub-16 Femenino Zona Sur 2011 | Cali | COL | 2011-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1677 | 1727 | 0.00 | 2 | -1.13 | 25 | -28.25 | |
| | Barba, Deina Alexandra | | | 1703 | COL | 0.00 | 1 | -0.53 | 25 | -13.25 | | | Velez Alvarez, Laura Camila | | | 1651 | COL | 0.00 | 1 | -0.60 | 25 | -15.00 | |
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) | | | | IRT torneo Zonal Sub-14 Femenino Zona Sur 2011 | Neiva | COL | 2011-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1727 | 1.50 | 5 | -0.50 | 25 | -12.50 | |
| | Fiesco, Valentina | | | 2007 | COL | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Cespedes Galindo, Estefania | | | 1835 | COL | 0.50 | 1 | 0.15 | 25 | 3.75 | | | Viveros, Erica Johana | | | 1468 | COL | 1.00 | 1 | 0.18 | 25 | 4.50 | | | Galvis, Selene | | | 1896 | COL | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Mesa, Brenda Sofia | | | 1806 | COL | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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) | | |
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