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Individual Calculations September 2011 |
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| Bastos, Ana Raquel Da Costa Total change: -11.85 | |   |
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| VI Open Internacional Cidade de Espinho - sub-1900 | Espinho | POR | 2011-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1552 | 1.00 | 2 | 0.26 | 15 | 3.90 | |
|  Ribeiro, Sergio Mario Da Silva | | | 1784 | POR | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Santos, Antonio Miguel De Olivei | | | 1527 | POR | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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) | | | | I Torneio Internacional Cidade de Aveiro | Aveiro | POR | 2011-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1552 | 0.00 | 4 | -1.05 | 15 | -15.75 | |
|  Lorenzo Duran, Marcos | | | 1952 * | ESP | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Silva, Luis Neves Da | | | 1952 * | POR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Costa, Andre | | | 1321 | POR | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Margarido, Ricardo Emanuel Torre | | | 1926 | POR | 0.00 | 1 | -0.10 | 15 | -1.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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