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Individual Calculations October 2023 |
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| Aranha Filho, Alvaro Z. Total change: -10.60 | |   |
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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 |
| 2002 | 2205 | 6.00 | 9 | -0.60 | 20 | -12.00 | |
|  Da Silva, Joao Carlos Orguim | | | 1805 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Trombini, Fabio | | | 1868 | BRA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Okamura, Milton Kasuo | | | 1966 | BRA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | De Siqueira, Luigy Lira | c | | 2099 | BRA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Saraiva, Alexandre Pacheco | | | 1872 | BRA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Campos, Alexandre Ferreira | | | 2041 | BRA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Fier, Alexandr | g | | 2592 | BRA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Mariano, Marceley Martins | c | | 2051 | BRA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Pereira, Arthur Macedo | | | 1720 | BRA | 1.00 | 1 | 0.04 | 20 | 0.80 | | | * 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) | | | | III Floripa Spring Chess 2023 - U2400 | Florianopolis SC | BRA | 2023-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2205 | 2.50 | 4 | 0.07 | 20 | 1.40 | |
| | De Oliveira, Jairo Quintiliano | | | 1865 | BRA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Almeida Junior, Alvaro Alves De | | | 2046 | BRA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Silva, Kaua Marques | f | | 2239 | BRA | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Goncalves, Davi Sulzbacher | f | | 2282 | BRA | 0.50 | 1 | 0.11 | 20 | 2.20 | |
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) | | |
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