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Individual Calculations December 2019 |
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| Rondon Chacon, Yolys Desiree Total change: 9.40 | |   |
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| Campeonato Panamericano Amateur U2000 2019 | San Jose | CRC | 2019-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1782 | 1715 | 3.50 | 9 | -0.20 | 20 | -4.00 | |
|  Ramirez Gonzalez, Jose Alexander | | | 1883 | CRC | 0.50 | 1 | 0.22 | 20 | 4.40 | |  Alvarado Machado, Verny | | | 1859 | CRC | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Lombardo, Elias | | | 1829 | PAN | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Ugarte, Reinaldo | c | | 1906 | PAN | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Avendano Porras, Rodrigo | | | 1703 | CRC | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Ramirez Marchena, Carlos Andres | | | 1681 | CRC | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Rosario Almanzar, Raydily | | | 1784 | DOM | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Salazar Zumbado, Stanley | | | 1761 | CRC | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Torrentes Arias, Greivin | | | 1632 | CRC | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | Primera Copa 28 de Noviembre | Chorrera | PAN | 2019-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1736 | 4.00 | 7 | 0.67 | 20 | 13.40 | |
| | Lobo Jimenez, Mariana | | | 1336 * | PAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tapia, Alexei | f | | 2136 * | PAN | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Gonzalez Soto, Pedro Jose | | | 1819 | PAN | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Velasquez, Luis Dario | | | 1981 | VEN | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Vargas, Rogelio | c | | 1691 | PAN | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Cotito, Efrain | | | 1654 | PAN | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Gonzalez, Yaribeth | | wc | 1684 | PAN | 0.50 | 1 | -0.07 | 20 | -1.40 | | | * 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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