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Individual Calculations January 2009 |
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| Lugo Lozano, Luz Adriana Total change: -19.75 | |   |
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| Nal Colegial A Fem | Armenia | COL | 2008-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1940 | 1.00 | 2 | 0.08 | 25 | 2.00 | |
|  Balaguera, Maria Alejandra | | | 1942 | COL | 1.00 | 1 | 0.50 | 25 | 12.50 | |  Castrillon Gomez, Melissa | | | 1994 | COL | 0.00 | 1 | -0.42 | 25 | -10.50 | |
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) | | | | Nacional Escolar Sub 17 | Barranquilla | COL | 2008-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 1940 | 0.50 | 4 | -0.87 | 25 | -21.75 | |
| | Castro, Natalia Patricia | | | 2001 | COL | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Valencia, Andres Felipe | | | 1959 | COL | 0.50 | 1 | 0.03 | 25 | 0.75 | | | De Arco, Luis Carlos | | | 2182 | COL | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Guerrero Fandino, Gustavo A | | | 2106 | COL | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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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