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Individual Calculations September 2009 |
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| Da Silva, Izael Brasilino Araujo Total change: -34.00 | |   |
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| Torneio Gov. Miguel Arraes NORDESTAO | Recife/PE | BRA | 2009-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 1867 | 0.00 | 4 | -1.18 | 25 | -29.50 | |
|  Souza, Rafael Cabral De | | | 2105 | BRA | 0.00 | 1 | -0.20 | 25 | -5.00 | |  Cardoso Junior, Cicero Assuncao | | | 1885 | BRA | 0.00 | 1 | -0.47 | 25 | -11.75 | | | Moura, Paulo Jorge Alves B. | | | 2207 | BRA | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Lucena, Helianto Dos Santos | | | 1949 | BRA | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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) | | | | IV Aberto Xadrez Potiguar | Natal/RN | BRA | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1867 | 1.00 | 3 | -0.18 | 25 | -4.50 | |
| | Macedo, Maximo Valerio | f | | 2120 | BRA | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Rodrigues, Flavio Leite | | | 1884 | BRA | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Oliveira Jr, Antonio Fernandes | | | 1861 | BRA | 0.00 | 1 | -0.51 | 25 | -12.75 | |
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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