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Individual Calculations April 2009 |
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| Alves, Marta Sofia Beleza Santos Total change: -31.00 | |   |
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| III CARREGOSA CHESS FIDE OPEN | Carregosa | POR | 2008-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1433 | 0.00 | 2 | -0.29 | 25 | -7.25 | |
|  Azevedo, Paulo Jorge Santos | | | 1783 | POR | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Ribau, Nelson Manuel Salvador | | | 1690 | POR | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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) | | | | Taca AXP | Porto | POR | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1433 | 0.00 | 1 | -0.22 | 25 | -5.50 | |
|  Matos, Antonio Manuel | | | 1656 | POR | 0.00 | 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) | | | | Campeonato do Porto Jovens Apuramento 2009 - Sub-16 | Porto | POR | 2008-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1433 | 0.00 | 1 | -0.16 | 25 | -4.00 | |
| | Margarido, Jose Miguel | | | 1723 | POR | 0.00 | 1 | -0.16 | 25 | -4.00 | |
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) | | | | Distrital do Porto de sub-16 | Porto | POR | 2009-02-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1618 | 1433 | 2.00 | 9 | -0.57 | 25 | -14.25 | |
| | Mendes, Pedro Miguel | | | 1635 | POR | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Tenente, Ricardo | | | 1473 | POR | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Santos, Leonardo | | | 1473 | POR | 0.50 | 1 | 0.06 | 25 | 1.50 | | | Pinto, Antonio Filipe | | | 1253 | POR | 0.50 | 1 | -0.24 | 25 | -6.00 | | | Mateus, Francisco | | | 1783 | POR | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Simoes, Miguel | | | 1652 | POR | 1.00 | 1 | 0.78 | 25 | 19.50 | | | Margarido, Jose Miguel | | | 1723 | POR | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Ferreira, Miguel | | | 1783 | POR | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Ferreira, Jorge Joao | | | 1783 | POR | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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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