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Individual Calculations September 2009 |
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| Pires, Igor Tiago Duarte Total change: 1.80 | |   |
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| Taca de Portugal 2008-09 | various | POR | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2189 | 1860 | 0.00 | 1 | -0.12 | 15 | -1.80 | |
|  Martins, Hugo Fidalgo | | | 2189 | POR | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | Nacional de sub-20 | Lisboa | POR | 2009-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 1874 | 2.50 | 5 | 0.24 | 15 | 3.60 | |
| | Rodrigues, Pedro Filipe | | | 1987 | POR | 1.00 | 1 | 0.65 | 15 | 9.75 | |  Ramos, Vasco Miguel De Matos | | | 1862 | POR | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Godinho, Joao Quintas | | | 1700 | POR | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Baptista, Ana Filipa Neto Sint | | wf | 2180 | POR | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Lino, Miguel Fragoso Garrido M | | | 1858 | POR | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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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