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Individual Calculations August 2023 |
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| Zaldivar Perez, Edu Fabian Total change: -38.00 | |   |
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| Campeonato Regional Nor Oriente Impar 2023 Sub 17 Absoluto | Tarapoto | PER | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1337 | 1177 | 0.50 | 2 | -0.09 | 40 | -3.60 | |
|  Zapatel Acuna, Jhair Jesus | | | 1411 | PER | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Pezo Ramos, Percy Leonardo | | | 1262 | PER | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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 15 Absoluto | Lima | PER | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1452 | 1177 | 0.00 | 4 | -0.86 | 40 | -34.40 | |
| | Caceres Sandoval, Eduardo | | | 1776 | PER | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Ramirez Espino, Gian Sandro | | | 1379 | PER | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Casqui Lopez, Marlon Gabriel | | | 1329 | PER | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Villafuerte Mamani, Raid Kamil | | | 1323 | PER | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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