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Individual Calculations October 2023 |
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| Pereira, Arthur Macedo Total change: 41.20 | |   |
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| Aberto Brasil III Niteroi Chess Open 2023 | Rio de Janeiro RJ | BRA | 2023-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1811 | 1720 | 5.00 | 9 | 1.03 | 40 | 41.20 | |
|  Ticona Rocabado, Licael Roderick | m | | 2418 | BOL | 0.00 | 1 | -0.01 | 40 | -0.40 | |  Braganca, Joao Victor Marcal | | | 1320 * | BRA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | De Oliveira, Mendel Nascimento | | | 1386 | BRA | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Pereira, Valdecir Da Silva | | | 1425 | BRA | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Ruvieri, Daniel Minami | | | 1296 | BRA | 1.00 | 1 | 0.07 | 40 | 2.80 | | | Chanduvi Loayza, Fidel Maximo | | | 1958 | PER | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Zacarias, Rodrigo Medeiros | | | 2121 | BRA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Guimaraes, Wagner Peixoto | f | | 2173 | BRA | 0.50 | 1 | 0.44 | 40 | 17.60 | | | Aranha Filho, Alvaro Z. | f | | 2205 | BRA | 0.00 | 1 | -0.04 | 40 | -1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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