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Individual Calculations March 2023 |
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| Rojas Salas, Rihanna Irina Total change: 66.00 | |   |
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| Campeonato Regional Metropolitano Juvenil U12 Femenino 2023 | Lima | PER | 2023-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1232 | 3.00 | 4 | 1.54 | 40 | 61.60 | |
|  Gomez Gonzales, Fabiana | | | 1491 | PER | 0.50 | 1 | 0.32 | 40 | 12.80 | |  Casqui Lopez, Pamela Grace | | | 1316 | PER | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Guzman Vera, Xiomara Anahi | | | 1338 | PER | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Ninahuanca Salazar, Ana Lucia | | | 1206 | PER | 1.00 | 1 | 0.46 | 40 | 18.40 | |
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) | | | | I Open Internacional Master Chess Peru | Lima | PER | 2023-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1609 | 1232 | 1.00 | 5 | 0.11 | 40 | 4.40 | |
| | Alvarado Zamora, Albert | c | | 2033 | PER | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Reyes Zavaleta, Cristhian Yamil | | | 1682 | PER | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Bendezu Yupanqui, Albert Martin | | | 1609 | PER | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Garay Ramirez, Patrick Yosue | | | 1129 | PER | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Ramirez Huaranga, Steven Gilmer | | | 1592 | PER | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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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