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Individual Calculations February 2020 |
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| Rodriguez Arrieta, Maria Elena Total change: 23.00 | |   |
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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 |
| 1944 | 1900 | 4.50 | 9 | 0.40 | 20 | 8.00 | |
|  Murillo Tsijli, Alexis | m | | 2290 | CRC | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Carrillo, Jose Antonio | | | 1726 | PAN | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Mejia Varela, Fernando Alexis | | | 1624 | HON | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Guillen Murillo, Sergio Guillermo | | | 1630 | CRC | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Cabezas Solano, David Alejandro | | | 1958 | CRC | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Fernandez Sibaja, Felipe J | c | | 2088 | CRC | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Solis L., Efren A. | c | | 1948 | CRC | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Urbina, Ricardo | m | | 2254 | HON | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Salazar Gould, Melanie | | wf | 1976 | CRC | 1.00 | 1 | 0.60 | 20 | 12.00 | |
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) | | | | Campeonato Nacional Absoluto 2020 | San Jose | CRC | 2020-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 1882 | 3.00 | 7 | 0.75 | 20 | 15.00 | |
| | Arias Santana, Mauricio | m | | 2276 | CRC | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Chinchilla Miranda, Eugenio | f | | 2166 | CRC | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Murillo Tsijli, Alexis | m | | 2282 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Chaves Sanchez, Gabriel A | | | 2161 | CRC | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Gamboa Alvarado, Olga Leticia | | wf | 1978 | CRC | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Carvajal Pena, Daniel | | | 1894 | CRC | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Salazar Gould, Kristy Valeria | | | 1482 * | 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) | | |
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