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Individual Calculations April 2009 |
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| Ribeiro, Ricardo Andre M. Dias Total change: 20.70 | |   |
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| Distrital de Braga de sub-16 | Guimaraes | POR | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1602 | 1553 | 2.00 | 4 | 0.25 | 15 | 3.75 | |
|  Costa, Joao Carlos Sequeira | | | 1618 | POR | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Meireles, Ana Maria Queiros | | | 1578 | POR | 0.00 | 1 | -0.47 | 15 | -7.05 | |  Vale, Antonio | | | 1447 | POR | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Martinho, Nuno Miguel Albuquerque | | | 1766 | POR | 0.50 | 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) | | | | Distrital de Braga de sub-16 | Guimaraes | POR | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 1553 | 4.00 | 7 | 1.13 | 15 | 16.95 | |
| | Ribeiro, Marcos Costa | | | 1647 | POR | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Martinho, Nuno Miguel | | | 1766 | POR | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Vale, Antonio | | | 1447 | POR | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Gomes, Rui Pedro | | | 1575 | POR | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Costa, Joao Sequeira | | | 1618 | POR | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Cruz, Joao Filipe | | | 1663 | POR | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Machado, Carlos | | | 1628 | POR | 1.00 | 1 | 0.60 | 15 | 9.00 | |
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) | | |
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