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Individual Calculations April 2009 |
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| Pires, Gustavo Martins Pereira Total change: -5.10 | |   |
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| III CARREGOSA CHESS FIDE OPEN | Carregosa | POR | 2008-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1988 | 3.00 | 5 | -0.56 | 15 | -8.40 | |
|  Silva, Joao Miguel Carvalho Lopes | | | 1638 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Andias, Joao Pedro Menezes | | | 1675 | POR | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Araujo, Luis Antonio Nunes | | | 1893 | POR | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Oliveira, Carlos Andre Ramalho | | | 2111 | POR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Ribau, Nelson Manuel Salvador | | | 1690 | POR | 0.50 | 1 | -0.35 | 15 | -5.25 | |
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 Torneio de Clássicas de Natal do Galitos | Aveiro | POR | 2009-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1983 | 2.50 | 3 | 0.22 | 15 | 3.30 | |
| | Valente, Joao Nuno Baptista | | | 1633 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Matos, Ricardo Joao Morais De | | | 1730 | POR | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Martinho, Filipe Mesquita Alves | | | 1926 | POR | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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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