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Rapid:
Individual Calculations December 2018 |
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| Castro Garcia, Ileana Total change: -20.40 | |   |
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| Torneo Rapid Selecciones Nacionales 2018 | San Jose | CRC | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1424 | 1496 | 1.00 | 4 | -1.24 | 20 | -24.80 | |
|  Castillo Morales, Thais | | wm | 1851 | CRC | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Ramos Rodriguez, Daniel | | | 1098 | CRC | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Shih Gould, Annie | | wc | 1650 | CRC | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Rojas Mora, Maria Salvadora | | | 1096 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Torneo CONARE-UNED 2018 Femenino por Equipos | San Jose | CRC | 2018-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1496 | 1.50 | 4 | 0.22 | 20 | 4.40 | |
| | Ramirez Almeciga, Yenny Melisa | | | 1629 | CRC | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Nunez Gonzalez, Joshebeth Elena | | | 1633 | CRC | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Ramirez Almeciga, Yenny Melisa | | | 1629 | CRC | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Ramirez Almeciga, Yenny Melisa | | | 1629 | CRC | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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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