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Individual Calculations January 2023 |
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| Berti Contreras, Lorenginis Total change: -46.80 | |   |
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| VIII TORNEO INTERNACIONAL DE AJEDREZ CIUDAD DE ARICA 2022 | Arica | CHI | 2022-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1915 | 5.00 | 10 | -2.34 | 20 | -46.80 | |
|  Heise Hidalgo, Claudia Sofia | | | 1515 * | CHI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Chumpitaz, Ann | | wm | 2263 | PER | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Perez Rojas, Felipe | | | 1385 | CHI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Gomez Barrera, Javiera Belen | | wm | 2140 | CHI | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Casqui Lopez, Marlon Gabriel | | | 1330 | PER | 0.00 | 1 | -0.98 | 20 | -19.60 | | | Sanhueza Antris, Ivan | | | 1711 | CHI | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Ricouz Vasquez, Enzo Joaquin | | | 1496 | CHI | 0.50 | 1 | -0.43 | 20 | -8.60 | | | Rios Cautin, Rodrigo | | | 1605 | CHI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Miranda Camus, Gonzalo | | | 1637 | CHI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Lagos Inostroza, Andres | | | 1713 | CHI | 0.50 | 1 | -0.26 | 20 | -5.20 | | | * 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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