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Individual Calculations August 2023 |
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| Rozas Lazcano, Valeska Total change: 9.80 | |   |
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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 |
| 1630 | 1640 | 4.50 | 8 | 0.49 | 20 | 9.80 | |
|  De Freitas, Isabella Ribeiro Cont | | | 1898 | BRA | 0.50 | 1 | 0.32 | 20 | 6.40 | |  Garcia Andrada, Heidy Nicole | | wf | 1830 | PER | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Felix, Luiza De Oliveira | | | 1701 | BRA | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Miranda, Marina Lima | | | 1680 | BRA | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Cata Pallo, Alejandra Nicole | | wc | 1457 | ECU | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Galvez Aguirre, Valentina | | | 1544 | CHI | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Barros Jardi Arce, Sarai | | | 1240 * | BOL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Yepez Montenegro, Gloria Luz | | | 1689 | BOL | 1.00 | 1 | 0.57 | 20 | 11.40 | | | * 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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