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Individual Calculations December 2018 |
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| Acuna Castillo, Yohalis Del Valle Total change: -18.80 | |   |
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| IX Campeonato Panamericano de Ajedrez Escolar Sub-11 Femenino 2018 | Guatire | VEN | 2018-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1146 | 1140 | 1.50 | 4 | -0.47 | 40 | -18.80 | |
|  Araujo Briceno, Gilary Ahilyn | | | 1196 | VEN | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Brito Marquez, Sophia Valentina | | | 1161 | VEN | 1.00 | 1 | 0.53 | 40 | 21.20 | |  Valencia Lopez, Greissy Sofia | | | 1143 | COL | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Salazar Gould, Kristy Valeria | | | 1084 | CRC | 0.00 | 1 | -0.58 | 40 | -23.20 | |
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) | | |
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