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Individual Calculations January 2023 |
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| Rojas Salas, Rihanna Irina Total change: -87.60 | |   |
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| 8 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1312 | 2.00 | 6 | -0.31 | 40 | -12.40 | |
|  Jimenez Salas, Maria Teresa | | | 1776 | PER | 0.00 | 1 | -0.05 | 40 | -2.00 | |  Bendezu Yupanqui, Albert Martin | | | 1665 | PER | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Ccana Minauro, Wernher Sebastian | | | 1417 | PER | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Acuna Alarcon, Claudia Micaela | | | 1386 | PER | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Chesa Horiuchi, Nikolas Gabriel | | | 1095 | PER | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Reyes Zavaleta, Sergio Gabriel | | | 1231 | PER | 0.00 | 1 | -0.61 | 40 | -24.40 | |
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) | | | | 9 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1569 | 1312 | 0.50 | 4 | -0.74 | 40 | -29.60 | |
| | Chesa Horiuchi, Nikolas Gabriel | | | 1095 | PER | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Jimenez Salas, Maria Teresa | | | 1776 | PER | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Reyes Zavaleta, Fabian Ricardo | | | 2020 | PER | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Acuna Alarcon, Claudia Micaela | | | 1386 | PER | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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) | | | | 10 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1312 | 2.50 | 5 | 0.24 | 40 | 9.60 | |
| | Jimenez Salas, Fabiana | | | 1196 | PER | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Reyes Zavaleta, Sergio Gabriel | | | 1231 | PER | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Kastanieda, Alla | | | 1526 | PER | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Cardenas Huachaca, Alessandro Jai | | | 1155 | PER | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Jimenez Salas, Maria Teresa | | | 1776 | PER | 0.00 | 1 | -0.05 | 40 | -2.00 | |
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) | | | | 11 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1172 | 1312 | 0.00 | 2 | -1.38 | 40 | -55.20 | |
| | Gomez Nunez, Fabian Elmer | | | 1147 | PER | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Jimenez Salas, Fabiana | | | 1196 | PER | 0.00 | 1 | -0.66 | 40 | -26.40 | |
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) | | |
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