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Individual Calculations January 2009 |
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| Castro, Natalia Patricia Total change: -3.30 | |   |
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| Nal Colegial B Fem | Armenia | COL | 2008-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 2001 | 2.50 | 4 | 0.01 | 15 | 0.15 | |
|  Ortegon, Daniela | | | 1801 | COL | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Ocampo, Derly Gineth | | | 1876 | COL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Santos, Natalia Andrea | | | 1981 | COL | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Panesso, Lina | | wc | 1980 | COL | 0.00 | 1 | -0.53 | 15 | -7.95 | |
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) | | | | Nacional Escolar Sub 17 | Barranquilla | COL | 2008-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2052 | 2001 | 1.50 | 4 | -0.23 | 15 | -3.45 | |
| | Lugo Lozano, Luz Adriana | | | 1940 | COL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | De Arco, Luis Carlos | | | 2182 | COL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Guerrero Fandino, Gustavo A | | | 2106 | COL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Santos, Natalia Andrea | | | 1981 | COL | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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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