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Individual Calculations May 2012 |
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| Barbosa, Daniela Total change: -44.10 | |   |
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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 |
| 1739 | 1842 | 2.50 | 4 | -0.05 | 15 | -0.75 | |
|  Cespedes Galindo, Estefania | | | 1850 | COL | 1.00 | 1 | 0.51 | 15 | 7.65 | |  Viveros, Mariana Yibeth | | | 1691 | COL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Bolanos, Brigeth | | | 1752 | COL | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Velez Alvarez, Laura Camila | | | 1662 | COL | 0.50 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | Open IRT Liga de Ajedrez de Bogota MARZO | Bogota | COL | 2012-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1842 | 1.00 | 5 | -0.69 | 15 | -10.35 | |
| | Corredor, Castellanos Camilo | | | 1858 | COL | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Ceron, Juan Carlos | | | 2039 | COL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Romo, David | | | 2003 | COL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Bejarano, Dany Andres | | | 1988 | COL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Guio, Josue | | | 1936 | COL | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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) | | | | Open Internacional de Semana Santa L.A.B. | Bogota | COL | 2012-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1842 | 0.00 | 4 | -2.20 | 15 | -33.00 | |
| | Vargas, Mauricio | | | 1986 | COL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Camargo, Santiago | | | 2003 | COL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Valderrama, Alejandro | | | 1674 | COL | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Nope, Viviana | | | 1501 | COL | 0.00 | 1 | -0.88 | 15 | -13.20 | |
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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