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Individual Calculations April 2009 |
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| Mendes, Antonio Manuel Amaral Total change: -5.85 | |   |
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| III CARREGOSA CHESS FIDE OPEN | Carregosa | POR | 2008-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1542 | 0.00 | 2 | -0.70 | 25 | -17.50 | |
|  Margarido, Ricardo Emanuel Torr | | | 1892 | POR | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Silva, Joao Miguel Carvalho Lopes | | | 1478 | POR | 0.00 | 1 | -0.59 | 25 | -14.75 | |
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) | | | | Taca AXP | Porto | POR | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1832 | 1542 | 0.00 | 2 | -0.32 | 25 | -8.00 | |
| | Simoes, Joao Linhas | | | 1771 | POR | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Fernandes, Sandro Moura | | | 1892 | POR | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | NOTE: K factor changed | | Distrital do Porto - preliminar C | Matosinhos | POR | 2009-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1782 | 1542 | 2.00 | 3 | 1.31 | 15 | 19.65 | |
| | Gomes, Estevao | | | 1892 | POR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Calix, Joao | | | 1879 | POR | 1.00 | 1 | 0.88 | 15 | 13.20 | | | Saraiva, Hugo | | | 1574 | POR | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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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