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Individual Calculations January 2023 |
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| Isidro Arredondo, Angelo Gabriel Total change: -0.40 | |   |
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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 |
| 1358 | 1302 | 2.00 | 4 | -0.17 | 40 | -6.80 | |
|  Estrada Cantaro, Andre Fabio | | | 1120 | PER | 0.00 | 1 | -0.74 | 40 | -29.60 | |  Callupe Matias, Obed Esteban | | | 1068 | PER | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Jimenez Salas, Fabiana | | | 1196 | PER | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Garcia Andrada, Heidy Nicole | | wf | 2048 | PER | 0.00 | 1 | 0.00 | 40 | 0.00 | |
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) | | | | 9 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1349 | 1302 | 2.00 | 4 | 0.20 | 40 | 8.00 | |
| | Parra Cabezudo, Victor Eduardo | | | 1277 | PER | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Callupe Matias, Obed Esteban | | | 1068 | PER | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Acuna Alarcon, Claudia Micaela | | | 1386 | PER | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Bendezu Yupanqui, Albert Martin | | | 1665 | PER | 1.00 | 1 | 0.90 | 40 | 36.00 | |
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 |
| 1810 | 1302 | 0.00 | 1 | -0.04 | 40 | -1.60 | |
| | Caceres Sandoval, Eduardo | | | 1810 | PER | 0.00 | 1 | -0.04 | 40 | -1.60 | |
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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