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Individual Calculations February 2019 |
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| Salazar Gould, Melanie Total change: -52.82 | |   |
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| Campeonato Nacional Femenino 2019 | San Jose | CRC | 2019-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1740 | 1912 | 5.00 | 9 | -1.14 | 38 | -43.32 | |
|  Marin Leon, Valeria | | wc | 1681 | CRC | 0.00 | 1 | -0.79 | 38 | -30.02 | | | Hernandez Leandro, Aliza | | | 1512 * | CRC | 1.00 | 1 | 0.08 | 38 | 3.04 | |  Diaz Charpentier, Kristel Meliss | | | 1591 | CRC | 0.50 | 1 | -0.37 | 38 | -14.06 | | | Mayorga Araya, Sofia | | | 1512 * | CRC | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Hernandez Alvarez, Tania Regla | | wm | 2063 | CRC | 0.00 | 1 | -0.30 | 38 | -11.40 | | | Rodriguez Arrieta, Maria Elena | | wm | 1948 | CRC | 1.00 | 1 | 0.55 | 38 | 20.90 | | | Angulo Hernandez, Maria Jesus | | | 1512 * | CRC | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Castillo Morales, Thais | | wm | 1925 | CRC | 0.00 | 1 | -0.48 | 38 | -18.24 | | | Gamboa Alvarado, Olga Leticia | | wf | 1920 | CRC | 0.50 | 1 | 0.01 | 38 | 0.38 | | | * 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) | | | | Campeonato Nacional Juvenil Absoluto Sub16 2019 | San Jose | CRC | 2019-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1912 | 7.50 | 9 | -0.25 | 38 | -9.50 | |
| | Sierra Berrocal, Gabriela | | | 1512 * | CRC | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Villegas Rodriguez, Jeremy | | | 1512 * | CRC | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Valverde Mora, Mauricio | | | 1651 | CRC | 1.00 | 1 | 0.18 | 38 | 6.84 | | | Shih Gould, Annie | | wc | 1734 | CRC | 1.00 | 1 | 0.27 | 38 | 10.26 | | | Cabezas Solano, David Alejandro | | | 1762 | CRC | 0.00 | 1 | -0.70 | 38 | -26.60 | | | Ocampo Arias, Jose Ignacio | | | 1512 * | CRC | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Blanco Gonzalez, Justin Jesus | | | 1512 * | CRC | 0.50 | 1 | -0.42 | 38 | -15.96 | | | Cartin Aguilar, Luis Javier | | | 1512 * | CRC | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Espitia Torres, Mateo | | | 1545 | CRC | 1.00 | 1 | 0.10 | 38 | 3.80 | | | * 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) | | |
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