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Individual Calculations September 2014 |
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| Ferreira, Alexander Total change: -22.20 | |   |
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| Aberto do Brasil - Taca Joao Pessoa 2014 | Joao Pessoa/PB | BRA | 2014-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1679 | 0.50 | 4 | -0.21 | 20 | -4.20 | |
|  Oliveira, Renato De Araujo | | | 2079 * | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | De Oliveira, Jefferson Pereira | | | 1985 | BRA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Prado Oliveira, Fellipe | | | 1921 | BRA | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Ribeiro, Orlando Alves | | | 1836 | BRA | 0.50 | 1 | 0.21 | 20 | 4.20 | | | * 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) | | | | Campeonato Potiguar Absoluto de Xadrez 2014 | Natal/RN | BRA | 2014-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1679 | 0.00 | 3 | -0.90 | 20 | -18.00 | |
| | Andrade, Roberto Luiz Costa | f | | 2079 * | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Lima, Alan Silva De | | | 1912 | BRA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Caldas, Danilo Raposo Freire | | | 1598 | BRA | 0.00 | 1 | -0.61 | 20 | -12.20 | | | * 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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