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Individual Calculations September 2019 |
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| Zhang, Derek Total change: 19.60 | |   |
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| Campeonato Panamericano Sub-20 Absoluto, Bolivia 2019 | Cochabamba | BOL | 2019-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2147 | 4.50 | 9 | 0.49 | 40 | 19.60 | |
|  Araujo Miranda, Styven Sandro | | | 1747 * | BOL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Tello Chavez, Isaac Valent | f | | 2271 | MEX | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Huang, Andy | f | | 2263 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Wang, Annie | f | wg | 2321 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Asaria, Danial | f | | 2305 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Donoso Diaz, Sebastian | f | | 2309 | CHI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Vivas Zamora, Fabian Ernesto | f | | 2348 | VEN | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Torrico, Alexis | | | 1847 | BOL | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Flores Quillas, Diego Saul Rodri | f | | 2163 | PER | 0.00 | 1 | -0.48 | 40 | -19.20 | | | * 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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