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Individual Calculations January 2015 |
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| Serafim Junior, Arnor Total change: -16.40 | |   |
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| Aberto Professor Joao Braga | Sao Paulo/SP | BRA | 2014-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1832 | 1.50 | 3 | 0.29 | 20 | 5.80 | |
|  Brito, Luismar | f | | 2232 * | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Capelo, Martinho Figueira | | | 1902 | BRA | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Da Silva, Camila Evaristo | | | 1657 | BRA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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) | | | | Panamerican Senior Championship 2014 +50 | Sao Paulo/SP | BRA | 2014-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1832 | 0.50 | 6 | -1.11 | 20 | -22.20 | |
| | D`israel, Davy | | | 2206 | ARG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Hirota Da Silva, Nilton | | | 2015 | BRA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Goncalves, Jose Antonio Silveira | | | 2020 | BRA | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Farias, Edilsom | | | 1933 | BRA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Miyoshi, Edson Mitsuro | | | 2082 | BRA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | De Freitas, Julio Eimard | | | 1878 | BRA | 0.00 | 1 | -0.44 | 20 | -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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