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Individual Calculations April 2008 |
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| Ribeiro, Sergio Total change: -30.00 | |   |
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| Distrital do Porto 2007/08 - preliminar A | Espinho | POR | 2007-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1826 | 0.00 | 1 | -0.55 | 25 | -13.75 | |
|  Mateus, Francisco | | | 1793 | POR | 0.00 | 1 | -0.55 | 25 | -13.75 | |
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) | | | | Distrital do Porto - preliminar C | VN gaia | POR | 2008-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1826 | 1.00 | 2 | -0.65 | 25 | -16.25 | |
| | Afonso, Paulo Jorge | | | 1532 | POR | 1.00 | 1 | 0.15 | 25 | 3.75 | |  Mendes, Pedro Miguel | | | 1586 | POR | 0.00 | 1 | -0.80 | 25 | -20.00 | |
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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