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Individual Calculations September 2009 |
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| Silva, Joao Pedro Couto Total change: -18.25 | |   |
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| Torneio de S. Martinho do Porto | S. Martinho do Porto | POR | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1675 | 0.00 | 2 | -0.36 | 25 | -9.00 | |
|  Diogo, Antonio Manuel Mamede | | | 1961 | POR | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Marques, Carlos Filipe Fernande | | | 1915 | POR | 0.00 | 1 | -0.20 | 25 | -5.00 | |
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) | | | | Torneio do Bombarral | Bombarral | POR | 2009-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1740 | 1675 | 0.50 | 2 | -0.37 | 25 | -9.25 | |
| | Pinto, Andre Filipe Tempero | | | 1973 | POR | 0.00 | 1 | -0.15 | 25 | -3.75 | |  Santos, Ines Lima | | | 1507 | POR | 0.50 | 1 | -0.22 | 25 | -5.50 | |
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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