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Individual Calculations September 2023 |
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| Cari Mendez, Leonardo Total change: -22.80 | |   |
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| XIV Festival Internacional de Ajedrez Claretiano 2023 Sub - 16 | Lima | PER | 2023-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1005 | 0.00 | 3 | -0.54 | 40 | -21.60 | |
|  Sanchez Cruz, Mireya Jassly | | | 1481 | PER | 0.00 | 1 | -0.05 | 40 | -2.00 | |  Orihuela Barreda, Alondra | | | 1269 | PER | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Mamani Garrote, Yahel Andre | | | 1147 | PER | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | | | Campeonato Regional de Ajedrez Metropolitano Impar Sub 15 Absoluto | Lima | PER | 2023-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1218 | 1005 | 1.00 | 4 | -0.03 | 40 | -1.20 | |
| | Diaz Bermudez, Pedro Teofilo | | | 1470 | PER | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Rivera Berrocal, Ricardo Jose | | | 1071 | PER | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Uchasara Apolinario, Josue Yoni | | | 1153 | PER | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Vasquez Uribe, Alessandro Jose | | | 1179 | PER | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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