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Individual Calculations February 2018 |
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| Bogantes Robleto, Karina Total change: 8.00 | |   |
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| Campeonato Nacional Femenino 2018 | San Jose | CRC | 2018-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1660 | 4.00 | 11 | 0.40 | 20 | 8.00 | |
|  Salazar Gould, Melanie | | wf | 1763 | CRC | 0.00 | 1 | -0.36 | 20 | -7.20 | |  Morera Campos, Hazel Maria | | wm | 1826 | CRC | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Morera Campos, Yanori Maria | | wc | 1949 | CRC | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Marin Leon, Valeria | | wc | 1708 | CRC | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Castro Garcia, Ileana | | wc | 1581 | CRC | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Hernandez Alvarez, Tania Regla | | wm | 2060 * | CRC | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Castillo Morales, Thais | | wf | 1928 | CRC | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Nunez Gonzalez, Neeshmy | | wc | 1807 | CRC | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Gamboa Alvarado, Olga Leticia | | wf | 1876 | CRC | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Salas Estrada, Ana Maria | | | 1361 | CRC | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Rodriguez Arrieta, Maria Elena | | wm | 1964 | CRC | 0.00 | 1 | -0.14 | 20 | -2.80 | | | * 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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