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Individual Calculations July 2009 |
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| Andias, Joao Pedro Menezes Total change: 0.30 | |   |
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| 51º Campeonato Nacional por Equipas - 2009 3ª Divisão - Série C | various | | 2009-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1708 | 2.00 | 2 | 0.82 | 15 | 12.30 | |
|  Ferreira, Susana Carolina G | | | 1619 | POR | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Saltao, Joao Miguel Ramos | | | 1667 | POR | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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 III | Aveiro | POR | 2009-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1572 | 1708 | 1.00 | 2 | -0.32 | 15 | -4.80 | |
| | Valente, Joao Nuno Baptista | | | 1414 | POR | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Matos, Ricardo Joao Morais De | | | 1730 | POR | 0.00 | 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) | | | | CN Sub-14 | Albufeira | POR | 2009-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1646 | 1708 | 3.00 | 5 | 0.08 | 15 | 1.20 | |
| | Tapisso, Gabriel Palmelao | | | 1515 | POR | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Vicente, Joao Vasco Reis | | | 1725 | POR | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Rato, Ana Margarida Portugal Do | | | 1569 | POR | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Belsley, Alexandre De Matos G | | | 1637 | POR | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Santos, Luis Manuel Freire Rebelo | | | 1784 | POR | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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 Open Int Hotel D. Luis | Coimbra | POR | 2009-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 1711 | 0.00 | 3 | -0.56 | 15 | -8.40 | |
| | Spraggett, Kevin | g | | 2061 | CAN | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Martinho, Filipe Mesquita Alves | | | 1976 | POR | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Viegas, Daniel Filipe De Olive | | | 1889 | POR | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | |
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