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Individual Calculations December 2016 |
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| Castro Garcia, Ileana Total change: -7.60 | |   |
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| Campeonato Nacional por Equipos Juvenil Sub18 | Alajuela | CRC | 2016-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1563 | 1543 | 1.50 | 2 | 0.55 | 40 | 22.00 | |
|  Wagemans Alvarado, Bryan | | | 1582 | CRC | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Marin Leon, Valeria | | | 1544 | CRC | 1.00 | 1 | 0.50 | 40 | 20.00 | |
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) | | | | Torneo Clasificatorio al Nacional Femenino 2017 | San Jose | CRC | 2016-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1514 | 1543 | 3.00 | 7 | -0.74 | 40 | -29.60 | |
| | Acevedo Mendez, Lisseth | | | 1844 | CRC | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Angulo Hernandez, Maria Jesus | | | 1182 | CRC | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Porras Chavarria, Pamela Maria | | | 1335 | CRC | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Marenco Fernandez, Ana | | | 1670 | CRC | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Marin Leon, Valeria | | | 1544 | CRC | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Quesada Calderon, Carolayne | | | 1443 | CRC | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Salazar Gould, Melanie | | wf | 1580 | CRC | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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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