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Individual Calculations March 2018 |
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| Quispe Jorge, Maria Fernanda Total change: -35.60 | |   |
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| Campeonato Metropolitano Juvenil Grupo A Sub 14 Femenino | Lima | PER | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1223 | 1118 | 1.00 | 3 | -0.10 | 40 | -4.00 | |
|  Vergaray Ruiz, Alejandra | | | 1101 | PER | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Huayhuas Robles, Laura Sofia | | | 1352 | PER | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Morales Orozco, Silvana | | | 1215 | PER | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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) | | | | I IRT Ricardo Palma 2018 - Sub 1850 | Lima | PER | 2018-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1371 | 1118 | 2.00 | 6 | 0.67 | 40 | 26.80 | |
| | Balvin, Jorge | | | 1518 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cabrera Miranda, Jose | | | 1371 | PER | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Sulca Valenzuela, Luis Alberto | | | 1004 | PER | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Vargas Cordova, Luis Daniel | | | 1518 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Pacheco Mateo, Laura | | | 1463 | PER | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Raime Tanta, Jhonathan Alexander | | | 1353 | PER | 1.00 | 1 | 0.79 | 40 | 31.60 | | | * 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) | | | | Copa Latinoamericana de Ajedrez Categoria C Juvenil | Lima | PER | 2018-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1297 | 1118 | 0.50 | 4 | -0.69 | 40 | -27.60 | |
| | Alvarez Urdanegui, Joiarib | | | 1499 | PER | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Mendoza Alvarez, Diego | | | 1403 | PER | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Martel Obregon, Said | | | 1285 | PER | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Lopez Urbina, Andrea Sofia | | | 1002 | PER | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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 Nacional Juvenil 2018 Categoria Sub 14 Femenina | Lima | PER | 2018-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1118 | 0.00 | 3 | -0.77 | 40 | -30.80 | |
| | Sanchez Chamba, Estefany Del Pil | | | 1428 | PER | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Espinoza Pena, Shady Medaly | | | 1322 | PER | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Flores Taboada, Leidy De America | | | 1195 | PER | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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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