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Individual Calculations April 2019 |
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| Arias Formoso, Rodolfo Total change: 8.20 | |   |
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| Campeonato Nacional Master y Senior 2019 | San Jose | CRC | 2019-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 2110 | 3.50 | 5 | 0.41 | 20 | 8.20 | |
|  Morales Zumbado, Raul | | | 1710 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rovira Mas, Jorge | | | 2232 | CRC | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Araya Umana, Carlos | c | | 1903 | CRC | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Chinchilla Miranda, Eugenio | f | | 2246 | CRC | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Alvarado Machado, Verny | | | 1914 | CRC | 0.50 | 1 | -0.25 | 20 | -5.00 | | | * 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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