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Individual Calculations September 2023 |
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| Lapa Cunias, Marco Antonio Total change: 96.00 | |   |
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| I Open IRT Club Regatas sub 2400 | Lima | PER | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1522 | 3.00 | 4 | 2.25 | 40 | 90.00 | |
|  Alvarado Zamora, Albert | c | | 2046 | PER | 1.00 | 1 | 0.97 | 40 | 38.80 | |  Bendezu Yupanqui, Albert Martin | | | 1678 | PER | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Benavides Conza, Diego Angelo | | | 1697 | PER | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Reyes Zavaleta, Cristhian Yamil | | | 1810 | PER | 0.50 | 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) | | | | Campeonato Regional de Ajedrez Metropolitano Impar Sub 17 Absoluto | Lima | PER | 2023-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1498 | 1.50 | 3 | 0.15 | 40 | 6.00 | |
| | Reyes Zavaleta, Fabian Ricardo | | | 2038 | PER | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Diaz Bermudez, Pedro Teofilo | | | 1470 | PER | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Huaynate Gonzales, Estefano Andre | | | 1281 | PER | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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) | | |
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