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Individual Calculations April 2009 |
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| Mendes, Pedro Miguel Gomes Total change: 1.80 | |   |
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| V AEJ CHESS FIDE OPEN | S Joao da Madeira | POR | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1635 | 2.00 | 5 | 0.18 | 15 | 2.70 | |
|  Carvalho, Vitor Hugo De Pina So | | | 1788 | POR | 0.50 | 1 | 0.20 | 15 | 3.00 | |  Pires, Igor Tiago Duarte | | | 1860 | POR | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Pintor, Simao Maciel Abranches | | | 1886 | POR | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Mendes, Ana Luisa Gomes | | | 1415 | POR | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Batista, Sandro Manuel Almeida | | | 1758 | POR | 0.50 | 1 | 0.17 | 15 | 2.55 | |
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) | | | | Taca AXP | Porto | POR | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1635 | 1.00 | 3 | 0.34 | 15 | 5.10 | |
| | Barbosa, Fabio | | | 1985 | POR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Brandao, Alvaro | | | 1805 | POR | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Ferreira, Miguel | | | 1808 | POR | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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 do Porto Jovens Apuramento 2009 - Sub-16 | Porto | POR | 2008-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1635 | 1.00 | 2 | 0.14 | 15 | 2.10 | |
| | Simoes, Miguel | | | 1652 | POR | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Margarido, Jose Miguel | | | 1723 | POR | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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 de sub-16 | Porto | POR | 2009-02-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1631 | 1635 | 4.00 | 9 | -0.54 | 15 | -8.10 | |
| | Alves, Marta Sofia | | | 1433 | POR | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Simoes, Miguel | | | 1652 | POR | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Margarido, Jose Miguel | | | 1723 | POR | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Ferreira, Miguel | | | 1808 | POR | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Ferreira, Jorge Joao | | | 1985 | POR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Mateus, Francisco | | | 1845 | POR | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Tenente, Ricardo | | | 1473 | POR | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Santos, Leonardo | | | 1473 | POR | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Pinto, Antonio Filipe | | | 1285 | POR | 0.50 | 1 | -0.39 | 15 | -5.85 | |
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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