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Individual Calculations May 2010 |
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| Bastos, Ana Raquel Da Costa Total change: 19.25 | |   |
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| CN sub-12 | Torres Vedras | POR | 2010-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1675 | 1510 | 1.50 | 4 | 0.35 | 25 | 8.75 | |
|  Ferreira, Luis Pedro Oliveira | | | 1738 | POR | 0.50 | 1 | 0.29 | 25 | 7.25 | |  Nogueira, Diana Sofia Cunha | | | 1582 | POR | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Aguiar, Henrique Rui Neves | | | 1762 | POR | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Ribeiro, Bruno Rafael Leite | | | 1617 | POR | 0.00 | 1 | -0.35 | 25 | -8.75 | |
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) | | | | Galitos Chess Open IV | Aveiro | POR | 2010-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1510 | 1.00 | 2 | 0.42 | 25 | 10.50 | |
| | Silva, Joao Miguel C Lopes Da | | | 1512 | POR | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Pires, Gustavo Martins Pereira | | | 1910 * | POR | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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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