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Individual Calculations January 2020 |
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| Cardenas Carbajal, Nilson Total change: -8.80 | |   |
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| III Open Ciudad de Liberia 2019 | Liberia | CRC | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 2120 | 4.50 | 6 | -0.44 | 20 | -8.80 | |
|  Soza Rojas, Dannilson G | | | 1720 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ramirez Marchena, Carlos Andres | | | 1720 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Peraza Alvarez, Rafael Eduardo | | | 2005 | CRC | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Guillen Murillo, Sergio Guillermo | | | 1720 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Cabezas Solano, David Alejandro | | | 1958 | CRC | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Alvarado Machado, Verny | | | 1874 | CRC | 1.00 | 1 | 0.19 | 20 | 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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