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Individual Calculations April 2009 |
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| Mendes, Roberto Total change: -3.00 | |   |
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| Taca AXP | Porto | POR | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1684 | 1.00 | 3 | -0.03 | 15 | -0.45 | |
|  Machado, Luis | | | 2034 | POR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Pintor, Manuel | | | 1709 | POR | 1.00 | 1 | 0.53 | 15 | 7.95 | |  Margarido, Jose | | | 1723 | POR | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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) | | | | Campeonato do Porto Jovens Apuramento 2009 - Sub-18 | Porto | POR | 2008-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1684 | 1.50 | 3 | -0.28 | 15 | -4.20 | |
| | Vieira, Jose Pedro | | | 1448 | POR | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Martins, Joao Luis | | | 1664 | POR | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Cardoso, Alexander | | | 1720 | POR | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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 de sub-18 | Porto | POR | 2009-02-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 1684 | 5.00 | 9 | 0.11 | 15 | 1.65 | |
| | Margarido, Ricardo | | | 1989 | POR | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Martins, Joao Luis | | | 1664 | POR | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Andrade, Nuno Filipe | | | 1435 | POR | 0.00 | 1 | -0.81 | 15 | -12.15 | | | Vieira, Jose Pedro | | | 1471 | POR | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Ribeiro, Filipa | | | 1420 | POR | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Maio, Nuno | | | 1512 | POR | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Pintor, Simao | | | 1886 | POR | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Cardoso, Alexander | | | 1720 | POR | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Tavares, Tiago | | | 1758 | POR | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | |
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