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Individual Calculations September 2009 |
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| Lemos, Artur Total change: -4.05 | |   |
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| Taca de Portugal 2008-09 | various | POR | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1474 | 1724 | 1.00 | 1 | 0.19 | 15 | 2.85 | |
|  Duarte, Afonso Manuel Ferreira | | | 1474 | POR | 1.00 | 1 | 0.19 | 15 | 2.85 | |
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) | | | | Torneio da Primavera | Guimaraes | POR | 2009-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1758 | 1710 | 1.50 | 3 | 0.13 | 15 | 1.95 | |
| | Azevedo, Rui Filipe | | | 2036 | POR | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Dias, Ivo | | | 1528 | POR | 0.50 | 1 | -0.24 | 15 | -3.60 | |  Vale, Paulo | | | 1709 | POR | 1.00 | 1 | 0.50 | 15 | 7.50 | |
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) | | | | Distrital Individual de Braga - Fase Final | Guimaraes | POR | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1600 | 1710 | 2.00 | 4 | -0.59 | 15 | -8.85 | |
| | Fernandes, Vitor Martinho Da S | | | 1556 | POR | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Ribeiro, Ricardo Andre | | | 1574 | POR | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Silva, Fernando Alberto Freitas | | | 1694 | POR | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Mano, Alexandre | | | 1574 | POR | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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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