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Individual Calculations April 2009 |
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| Ferreira, Jorge Viterbo Total change: 42.15 | |   |
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| V AEJ CHESS FIDE OPEN | S Joao da Madeira | POR | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 2153 | 4.50 | 6 | 0.39 | 15 | 5.85 | |
|  Martins, Guilherme Pires Tavare | | | 1803 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Ribau, Nelson Manuel Salvador | | | 1803 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Silva, Stephane Gomes | | | 2210 | POR | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Pires, Igor Tiago Duarte | | | 1860 | POR | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Viela, Andre Filipe Folha | | | 2192 | POR | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Pereira, Antonio Pedro Dias Caram | | | 2073 | POR | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | III CARREGOSA CHESS FIDE OPEN | Carregosa | POR | 2008-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 2153 | 4.50 | 6 | 0.06 | 15 | 0.90 | |
| | Batista, Sandro Manuel Almeida | | | 1803 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Azevedo, Paulo Jorge Santos | | | 1927 | POR | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Margarido, Ricardo Emanuel Torr | | | 1977 | POR | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Silva, Stephane Gomes | | | 2210 | POR | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Martinho, Filipe Martinho Alves | | | 1924 | POR | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Araujo, Luis Antonio Nunes | | | 1893 | POR | 1.00 | 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) | | | | Taca AXP | Porto | POR | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 2153 | 2.50 | 3 | 0.49 | 15 | 7.35 | |
| | Maio, Nuno | | | 1803 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Margarido, Ricardo | | | 1977 | POR | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Silva, Antonio | | | 2234 | POR | 0.50 | 1 | 0.11 | 15 | 1.65 | |
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 Internacional da Figueira da Foz | Figueira da Foz | POR | 2008-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2153 | 5.50 | 9 | 1.33 | 15 | 19.95 | |
| | Curado, Antonio Mendes | | | 1803 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Spraggett, Kevin | g | | 2503 | CAN | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Felicio, Fernando | | | 1931 | POR | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Mendes, Carlos Alberto De Sousa | | | 1826 | POR | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Morais, Vitor | | | 2054 | POR | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Galego, Luis | g | | 2484 | POR | 1.00 | 1 | 0.88 | 15 | 13.20 | | | Silva, Stephane | | | 2210 | POR | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Ravi, Lanka | m | | 2371 | IND | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Petkov, Vladimir | g | | 2484 | BUL | 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) | | | | Distrital do Porto de sub-16 | Porto | POR | 2009-02-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 2144 | 8.50 | 9 | 0.54 | 15 | 8.10 | |
| | Simoes, Miguel | | | 1794 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Margarido, Jose Miguel | | | 1794 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Ferreira, Miguel | | | 1808 | POR | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Mateus, Francisco | | | 1845 | POR | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Mendes, Pedro Miguel | | | 1794 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Tenente, Ricardo | | | 1794 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Santos, Leonardo | | | 1794 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Pinto, Antonio Filipe | | | 1794 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Alves, Marta Sofia | | | 1794 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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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