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Individual Calculations August 2023 |
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| Valenzuela Reinoso, Safrys Total change: 3.20 | |   |
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| Campeonato Regional de Ajedrez Metropolitano Impar Sub 13 Femenino | Lima | PER | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1342 | 1138 | 0.00 | 2 | -0.49 | 40 | -19.60 | |
|  Gomez Gonzales, Fabiana | | | 1431 | PER | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Casqui Lopez, Pamela Grace | | | 1252 | PER | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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) | | | | VI Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1417 | 1138 | 1.00 | 4 | 0.19 | 40 | 7.60 | |
| | Gonzalo Garate, Luis Valentino | | | 1595 | PER | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Ygarza Crisostomo, Antonela Abiga | | | 1271 | PER | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Coaquira Gonzales, Oscar Adriano | | | 1236 | PER | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Herrada, Blanco Maria Fernanda | | | 1566 | PER | 0.00 | 1 | -0.07 | 40 | -2.80 | |
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) | | | | IRT Clasico Festival de Ajedrez AOPIP Armagedon | Lima | PER | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1555 | 1138 | 0.00 | 3 | -0.24 | 40 | -9.60 | |
| | Palomino Quispe, Mateo Henry | | | 1669 | PER | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Acuna Alarcon, Claudia Micaela | | | 1515 | PER | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Balvin, Jorge | | | 1482 | PER | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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) | | | | Campeonato Nacional de Ajedrez Impar 2023 - Sub 13 Femenino | Lima | PER | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1232 | 1138 | 2.50 | 5 | 0.62 | 40 | 24.80 | |
| | Ramirez Bendezu, Maryand Luana | | | 1142 | PER | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Vizcarra Quispe, Ramalia Bellaluz | | | 1378 | PER | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Florez Huaman, Areli Oriana | | | 1221 | PER | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Casqui Lopez, Pamela Grace | | | 1252 | PER | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Torres Alarcon, Luciana Yanella | | | 1165 | PER | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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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