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Individual Calculations September 2009 |
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| Pinho, Helder Total change: -3.75 | |   |
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| Taca de Portugal 2008-09 | various | POR | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1829 | 1.00 | 1 | 0.31 | 15 | 4.65 | |
|  Costa, Vitor Manuel | | | 1691 | POR | 1.00 | 1 | 0.31 | 15 | 4.65 | |
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 Open Internacional Cidade de Espinho 2009 | Espinho | POR | 2009-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1881 | 2.50 | 5 | -0.96 | 15 | -14.40 | |
| | Miranda, Jose Pedro | | | 1531 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Margarido, Jose Miguel | | | 1734 | POR | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Martinho, Nuno Miguel | | | 1749 | POR | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Oliveira, Maria Ines | | | 1572 | POR | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Margarido, Ricardo | | | 2010 | POR | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | Distrital do Porto - Fase Final | Porto | POR | 2009-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1881 | 2.00 | 4 | 0.40 | 15 | 6.00 | |
| | Araujo, Jose Verissimo | | | 1955 | POR | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Quinta, Daniel | | | 2063 | POR | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Mendes, Pedro Miguel | | | 1637 | POR | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Ferreira, Jorge Joao | | | 2186 | POR | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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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