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Individual Calculations September 2021 |
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| Cymbron, Sofia Total change: -25.20 | |   |
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| CR Feminino Acores 2020-21 | Ponta Delgada | POR | 2021-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1268 | 1121 | 1.00 | 3 | 0.08 | 40 | 3.20 | |
|  Oliveira, Daniela Sousa | | | 1300 | POR | 1.00 | 1 | 0.73 | 40 | 29.20 | |  Machado, Marcia De Lurdes Cabral | | | 1254 | POR | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Cymbron, Victoria | | | 1250 | POR | 0.00 | 1 | -0.33 | 40 | -13.20 | |
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) | | | | II Open de Xadrez Terras de Tras-os-Montes (PCT) | Braganca | POR | 2021-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1469 | 1121 | 0.00 | 6 | -0.71 | 40 | -28.40 | |
| | Costa, Paulo | | | 1521 * | POR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sentissi, Yassine | | | 1521 * | MAR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Afonso, Paulo Jorge Pereira | | | 1521 * | POR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Paiva, Rodrigo Garcia | | | 1521 * | POR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Taveira, Edgar Emanuel | | | 1382 | POR | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Rodriguez, Augustin | | | 1347 | FRA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | * 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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