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Individual Calculations August 2023 |
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| De Freitas, Isabella Ribeiro Cont Total change: -30.80 | |   |
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| XVIII CAMPEONATO SUDAMERICANO DE AJEDREZ SUB 20 FEMENINO 2023 | Antofagasta | CHI | 2023-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1898 | 5.50 | 9 | -1.54 | 20 | -30.80 | |
|  Velarde Alarcon, Jhoana | | | 1445 | BOL | 1.00 | 1 | 0.06 | 20 | 1.20 | |  Rozas Lazcano, Valeska | | | 1640 | CHI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Oviedo Acosta, Paula | | wc | 1932 | PAR | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Barros Jardi Arce, Sarai | | | 1498 * | BOL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ruiz Jaraba, Valentina Sofia | | | 1838 | COL | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Mayeregger Gonzalez, Fiorella | | | 1559 | PAR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Felix, Luiza De Oliveira | | | 1701 | BRA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Yepez Montenegro, Gloria Luz | | | 1689 | BOL | 0.50 | 1 | -0.27 | 20 | -5.40 | | | El Hage Serrano, Caely | | | 1486 | BOL | 1.00 | 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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