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Individual Calculations April 2018 |
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| Cabezas Solano, David Alejandro Total change: 31.60 | |   |
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| Clasificatorio de Segunda Categoria San Jose ADAES 2018 | San Jose | CRC | 2018-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1657 | 3.00 | 7 | -0.15 | 40 | -6.00 | |
|  Castro Garcia, Alejandro | | | 1604 | CRC | 1.00 | 1 | 0.43 | 40 | 17.20 | |  Nunez Okubo, Isao | c | | 1590 | CRC | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Porras Chavarria, Steve | | | 1829 | CRC | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Nunez Avendano, Manrique | | | 1675 | CRC | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Salazar Gould, Melanie | | wf | 1775 | CRC | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Solano Cordero, Jorge | | | 1625 | CRC | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Murillo Varela, Ricardo | | | 1751 | CRC | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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) | | | | Subzonal Absoluto 2.3.C | San Jose | CRC | 2018-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1657 | 3.50 | 9 | 0.94 | 40 | 37.60 | |
| | Fernandez Sanchez, Mario Andres | | | 2057 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Zeledon Perez, Edgar | | | 1872 | CRC | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Gamboa Mora, Rolando | | | 1439 | CRC | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Ramirez Madrid, Gerardo Alfonso | c | | 1850 | CRC | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Araya Umana, Carlos | | | 1872 | CRC | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Lobo, Antonio | | | 1823 | PAN | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Arosemena, Franklin Alberto | | | 1868 | PAN | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Quesada Campos, Jordi Alessandre | c | | 1964 | CRC | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Palencia, Julio | | | 1773 | GUA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | * 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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