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Individual Calculations January 2019 |
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| Peraza Alvarez, Rafael Eduardo Total change: 17.00 | |   |
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| II Torneo Internacional de Liberia 2018 | Liberia | CRC | 2018-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 2017 | 5.00 | 7 | 0.85 | 20 | 17.00 | |
|  Arias Gomez, Luis Alfredo | | | 1617 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Mendez Moreno, Kevin Alberto | | | 1617 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ortiz, Marcos | | | 2149 | NCA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Leon Cubero, Brandon | | | 1617 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ugalde Garcia, Ronald | | | 2124 | CRC | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Cantillo Alvarado, Luis Manuel | | | 1911 | CRC | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Gonzalez Acosta, Bernal | g | | 2417 * | CRC | 0.00 | 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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