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Individual Calculations February 2020 |
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| Salazar Gould, Melanie Total change: 16.75 | |   |
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| Torneo Internacional Metropolitano Grupo A 2019 | San Jose | CRC | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1976 | 3.50 | 9 | -1.34 | 25 | -33.50 | |
|  Valdes Romero, Leonardo | m | | 2376 * | CRC | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Gutierrez Soto, Gilberth | | | 1773 | CRC | 1.00 | 1 | 0.24 | 25 | 6.00 | | | Carrillo, Jose Antonio | | | 1726 | PAN | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Chaves Sanchez, Gabriel A | | | 2161 | CRC | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Hernandez Alvarez, Tania Regla | | wm | 2071 | CRC | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Hart, Alexander | | | 1963 | SWE | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Vega Araya, Edwin | | | 1840 | CRC | 1.00 | 1 | 0.32 | 25 | 8.00 | | | Shih Gould, Annie | | wc | 1776 | CRC | 0.00 | 1 | -0.76 | 25 | -19.00 | | | Rodriguez Arrieta, Maria Elena | | wm | 1900 | CRC | 0.00 | 1 | -0.60 | 25 | -15.00 | | | * 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 Absoluto 2020 | San Jose | CRC | 2020-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 1976 | 6.00 | 11 | 1.28 | 25 | 32.00 | |
| | Minero Pineda, Sergio | m | | 2356 | CRC | 0.00 | 1 | -0.09 | 25 | -2.25 | | | Salazar Gould, Kristy Valeria | | | 1576 * | CRC | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Fernandez Sibaja, Felipe J | c | | 2098 | CRC | 0.50 | 1 | 0.17 | 25 | 4.25 | | | Castillo Morales, Thais | | wm | 1823 | CRC | 1.00 | 1 | 0.30 | 25 | 7.50 | | | Duran Vega, Sergio | m | | 2353 | CRC | 0.00 | 1 | -0.09 | 25 | -2.25 | | | Jimenez Garcia, Emmanuel | f | | 2376 * | CRC | 0.50 | 1 | 0.42 | 25 | 10.50 | | | Carvajal Pena, Daniel | | | 1894 | CRC | 0.50 | 1 | -0.11 | 25 | -2.75 | | | Murillo Gonzalez, Carlos E | f | | 1964 | CRC | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Ramirez Gonzalez, Maria Jose | | wf | 1790 | CRC | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Murillo Tsijli, Alexis | m | | 2286 | CRC | 0.50 | 1 | 0.36 | 25 | 9.00 | | | Gamboa Alvarado, Olga Leticia | | wf | 1978 | CRC | 1.00 | 1 | 0.50 | 25 | 12.50 | | | * 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 Sub20 Femenino 2020 | Escazu | CRC | 2020-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1976 | 8.00 | 8 | 0.73 | 25 | 18.25 | |
| | Quiros Acuna, Nicole | | | 1576 * | CRC | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Sierra Berrocal, Gabriela | | | 1576 * | CRC | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Castro Richard, Ixel | | | 1576 * | CRC | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Rosales Gonzalez, Jessica | | | 1576 * | CRC | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Marin Leon, Valeria | | wc | 1700 | CRC | 1.00 | 1 | 0.17 | 25 | 4.25 | | | Arguedas Bolanos, Sharline | | | 1576 * | CRC | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Munoz Ramirez, Kyara Vanessa | | | 1576 * | CRC | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Lobo Meneses, Natalia | | | 1576 * | CRC | 1.00 | 1 | 0.08 | 25 | 2.00 | | | * 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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