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Individual Calculations January 2024 |
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| Valenzuela Reinoso, Safrys Total change: 20.80 | |   |
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| IV Campeonato Sudamericano Escolar de Ajedrez 2023 - Sub 09 Femenino | Lima | PER | 2023-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1083 | 1171 | 3.00 | 4 | 0.52 | 40 | 20.80 | |
|  Haro Gallardo, Jhilary | | | 1070 | PER | 1.00 | 1 | 0.36 | 40 | 14.40 | |  Chueca Balcazar, Adriana Rafaela | | | 1140 | PER | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Tunque Mamani, Camila Valeria | | | 1102 | PER | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Marquez Ccori, Amy Sarahi | | | 1018 | PER | 0.50 | 1 | -0.20 | 40 | -8.00 | |
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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