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Individual Calculations September 2011 |
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| Dantas, Isaac Pereira Total change: 1.20 | |   |
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| III Campeonato Paraibano Aberto Absoluto 2011 | Joao Pessoa/PB | BRA | 2011-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1601 | 0.00 | 1 | -0.08 | 30 | -2.40 | |
|  De Almeida Jr, Benone Lopes | | | 2001 * | BRA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | * 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) | | | | Aberto do Brasil Xadrez Potiguar | Natal/RN | BRA | 2011-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 1601 | 0.50 | 3 | 0.12 | 30 | 3.60 | |
|  Costa, Carlos Evanir | | | 2001 * | BRA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Melo, Silvio Sa De | | | 1940 | BRA | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Cabral Mesquita, Jussier | | | 1863 | BRA | 0.50 | 1 | 0.32 | 30 | 9.60 | | | * 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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