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Individual Calculations September 2009 |
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| Martins, David Pires Tavares Total change: 9.60 | |   |
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| Taca de Portugal 2008-09 | various | POR | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 1775 | 1.00 | 2 | 0.69 | 15 | 10.35 | |
|  Diogo, Pedro Filipe Candido | | | 2017 | POR | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Viela, Marco | | | 2125 | POR | 0.00 | 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) | | | | XVIII Aberto Cidade das Burgas | Ourense | ESP | 2009-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 1802 | 1.00 | 5 | -0.05 | 15 | -0.75 | |
|  Padeiro, Jose | | | 2202 * | POR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ferreira, Jorge Viterbo | | | 2202 * | POR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Alonso Macias, Victor | | | 2035 | ESP | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Rey Cid, Jose | | | 1923 | ESP | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Lopez Garrido, Daniel | | | 1917 | ESP | 0.00 | 1 | -0.34 | 15 | -5.10 | | | * 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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