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Individual Calculations August 2023 |
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| Vergara Arenas, Amapola Angely Total change: -18.80 | |   |
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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 |
| 1509 | 1299 | 1.00 | 6 | -0.47 | 40 | -18.80 | |
|  Contreras Suazo, Rocio | | | 1706 | CHI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  El Hage Serrano, Caely | | | 1486 | BOL | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Villegas Ampuero, Consuelo | | | 1398 | CHI | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Mayeregger Gonzalez, Fiorella | | | 1559 | PAR | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Velarde Alarcon, Jhoana | | | 1445 | BOL | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Cata Pallo, Alejandra Nicole | | wc | 1457 | ECU | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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