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Individual Calculations September 2017 |
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| Costa, Edvaldo Da Cruz Total change: 5.40 | |   |
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| Aberto do Brasil Alter do Chao | Santarem PA | BRA | 2017-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1746 | 1.00 | 4 | -0.62 | 20 | -12.40 | |
|  Silveira, Leonardo Eleuterio D | | | 2146 * | BRA | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Serafim Junior, Arnor | | | 1845 | BRA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Farias, Sergio Luiz Cardoso | | | 1577 | BRA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Arruda Filho, Ivo Pereira De | | | 1775 | BRA | 0.50 | 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) | | | | Zonal Paraense 2017 | Belem PA | BRA | 2017-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1828 | 1746 | 2.50 | 4 | 0.89 | 20 | 17.80 | |
| | Fernandes, Douglas Goncalves | | | 1643 | BRA | 1.00 | 1 | 0.36 | 20 | 7.20 | | | De Araujo, Jaylson Javier Silva | | | 2056 | BRA | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Assuncao, Darlane Brito | | | 1794 | BRA | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Leao, Flavio Sanchez | | | 1820 | BRA | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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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