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Individual Calculations October 2017 |
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| Tapia Quiros, Gustavo Total change: -45.00 | |   |
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| Primer Clasificatorio Campeonato Nacional Absoluto 2017-18 | San Jose | CRC | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 2084 | 3.00 | 8 | -2.25 | 20 | -45.00 | |
|  Araya Umana, Carlos | | | 1911 | CRC | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Villagra Arce, Henry | | | 1684 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Alfaro Guillen, Jose Raul | | | 1992 | CRC | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Chinchilla Miranda, Eugenio | f | | 2196 | CRC | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Fernandez Sibaja, Felipe J | c | | 2130 | CRC | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Hernandez Coto, Carlos Enrique | | | 2021 | CRC | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Calvo Gutierrez, Luis Guillermo | | | 1834 | CRC | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Vargas Miranda, Diego | | | 1865 | CRC | 1.00 | 1 | 0.22 | 20 | 4.40 | | | * 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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