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| Campeonato Regional Metropolitano Juvenil U16 Femenino 2023 | Lima | PER | 2023-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1462 | 1199 | 2.00 | 4 | 1.00 | 38 | 38.00 | |
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 Pichilingue Orbe, Camila Belen | | | 1130 | PER | 1.00 | 1 | 0.40 | 38 | 15.20 | |
 Herrada, Blanco Maria Fernanda | | | 1469 | PER | 0.50 | 1 | 0.33 | 38 | 12.54 | |
| Soto Huaranca, Adriana Jakeline | | | 1421 | PER | 0.50 | 1 | 0.28 | 38 | 10.64 | |
| Jimenez Salas, Maria Teresa | | | 1828 | PER | 0.00 | 1 | -0.01 | 38 | -0.38 | |
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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| CAMPEONATO NACIONAL JUVENIL AJEDREZ PERUANO 2023 Sub 16 Femenino | Lima | PER | 2023-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1438 | 1199 | 2.50 | 7 | 0.54 | 38 | 20.52 | |
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| Sotelo Leon, Ester Victoria | | | 1322 | PER | 0.50 | 1 | 0.17 | 38 | 6.46 | |
| Tacas Cardenas, Pamela Natividad | | | 1463 | PER | 0.50 | 1 | 0.32 | 38 | 12.16 | |
| Herrera Apaza, Luana Mikela Mahu | | | 1409 | PER | 1.00 | 1 | 0.77 | 38 | 29.26 | |
| Vilca Cruz, Marsia Gianella Kathe | | | 1281 | PER | 0.50 | 1 | 0.11 | 38 | 4.18 | |
| Bravo Mallco, Kate Azumi | | wf | 2072 | PER | 0.00 | 1 | 0.00 | 38 | 0.00 | |
| Ramirez Tipian, Valerie Luisciana | | | 1228 | PER | 0.00 | 1 | -0.46 | 38 | -17.48 | |
| Ynga Huaman, Luz Marina | | | 1294 | PER | 0.00 | 1 | -0.37 | 38 | -14.06 | |
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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| I Hibrido Centroamericano, del Caribe y del Pacifico 2023 | Panama - Chiriqui - Herrera - Caracas - Lima - La Habana - Cochabamba - Roseau - George Town | PAN | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1199 | 1.00 | 4 | 0.33 | 38 | 12.54 | |
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| Arteaga Olivera, Sergio Jose | | | 1815 | CUB | 0.00 | 1 | -0.02 | 38 | -0.76 | |
| Quezada Quezada, Leonardo Fabio | | | 1469 | PAN | 1.00 | 1 | 0.83 | 38 | 31.54 | |
| Velez Mendoza, Gabriel Ignacio | | | 1413 | BOL | 0.00 | 1 | -0.23 | 38 | -8.74 | |
| Cardenas Huachaca, Alessandro Jai | | | 1396 | PER | 0.00 | 1 | -0.25 | 38 | -9.50 | |
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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| I IRT Gran Clasico sub 1800 Armagedon | Lima | PER | 2023-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1199 | 1.00 | 3 | 0.49 | 38 | 18.62 | |
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| Pizzardo, Yoel | | | 1668 | PER | 0.00 | 1 | -0.05 | 38 | -1.90 | |
| De La Cruz De La Roca, Alan Rafae | | | 1435 | PER | 0.00 | 1 | -0.20 | 38 | -7.60 | |
| Ravines Reyes, Richard Bernardo | | | 1387 | PER | 1.00 | 1 | 0.74 | 38 | 28.12 | |
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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