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Individual Calculations August 2023 |
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| Casqui Lopez, Pamela Grace Total change: 4.40 | |   |
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| 4 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1375 | 1252 | 0.00 | 3 | -1.08 | 40 | -43.20 | |
|  Acuna Alarcon, Claudia Micaela | | | 1515 | PER | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Garay Ramirez, Estefano Javier | | | 1553 | PER | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Callupe Matias, Obed Esteban | | | 1056 | PER | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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) | | | | Campeonato Regional de Ajedrez Metropolitano Impar Sub 13 Femenino | Lima | PER | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1163 | 1252 | 4.00 | 5 | 0.91 | 40 | 36.40 | |
| | Paredes Minaya, Alyssa Christina | | | 1137 | PER | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Martel Ibarra, Nicole Geraldine | | | 1124 | PER | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Valenzuela Reinoso, Safrys | | | 1138 | PER | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Vizcarra Quispe, Ramalia Bellaluz | | | 1378 | PER | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Morales, Francia Olenka Isabel | | | 1037 | PER | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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) | | | | Campeonato Nacional de Ajedrez Impar 2023 - Sub 13 Femenino | Lima | PER | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1233 | 1252 | 4.00 | 7 | 0.28 | 40 | 11.20 | |
| | Ascama Paredes, Sofia Elvira | | | 1240 | PER | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Torres Diaz, Lucia Marcela | | | 1148 | PER | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Torres Ccahuay, Dayana Nievevska | | | 1475 | PER | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Fernandez Mendoza, Ana Milagros | | | 1137 | PER | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Gomez Gonzales, Fabiana | | | 1431 | PER | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Valenzuela Reinoso, Safrys | | | 1138 | PER | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Pinedo Choquevilca, Megan Abigail | | | 1063 | PER | 0.50 | 1 | -0.25 | 40 | -10.00 | |
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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