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Individual Calculations August 2023 |
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| Olivares Araya, Tamara Alejandra Total change: -44.80 | |   |
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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 |
| 1485 | 1427 | 2.00 | 7 | -1.12 | 40 | -44.80 | |
|  Bravo Mallco, Kate Azumi | | wm | 1894 | PER | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Araos Diaz, Constanza Paz | | | 1488 | CHI | 0.50 | 1 | 0.08 | 40 | 3.20 | |  Cata Pallo, Alejandra Nicole | | wc | 1457 | ECU | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Barros Jardi Arce, Sarai | | | 1240 | BOL | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Velarde Alarcon, Jhoana | | | 1445 | BOL | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Contreras Suazo, Rocio | | | 1706 | CHI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Henriquez Prado, Victoria | | | 1168 | CHI | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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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