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Individual Calculations January 2009 |
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| Ribau, Nelson Manuel Salvador Total change: -3.25 | |   |
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| XXVI Open Cucujaes | Cucujaes | POR | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1690 | 1.00 | 4 | -0.13 | 25 | -3.25 | |
|  Viela, Marco Antonio Folha | | | 2040 | POR | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Ribau, Nidia Salvador | | | 1553 | POR | 1.00 | 1 | 0.32 | 25 | 8.00 | |  Costa, Rui Filipe Magalhaes | | | 1993 | POR | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Azevedo, Paulo Jorge Santos | | | 1927 | POR | 0.00 | 1 | -0.20 | 25 | -5.00 | |
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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