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Individual Calculations January 2024 |
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| Castillo Perales, Yago Said Total change: -58.00 | |   |
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| IV Campeonato Sudamericano Escolar de Ajedrez 2023 - Sub 09 Absoluto | Lima | PER | 2023-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1098 | 1183 | 1.00 | 4 | -1.45 | 40 | -58.00 | |
|  Machaca, Quispe Adrian Emmanuel | | | 1275 | PER | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Marquina Suarez, Arian Martin | | | 1058 | PER | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Acho Yujra, Crhistopher Lucas | | | 1030 | BOL | 0.00 | 1 | -0.70 | 40 | -28.00 | |  Mendoza Alata, Victor Gabriel | | | 1029 | PER | 1.00 | 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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