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Individual Calculations September 2009 |
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| Luyks, Marinus Total change: -11.85 | |   |
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| Taca de Portugal 2008-09 | various | POR | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2436 | 2197 | 0.00 | 1 | -0.20 | 15 | -3.00 | |
|  Pereira, Ruben | f | | 2436 | POR | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | 2a Divisao - Fase Final | VN Gaia | POR | 2009-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2186 | 1.00 | 3 | -0.59 | 15 | -8.85 | |
| | Cruz, Jorge Filipe Egas Da | | | 2132 | POR | 0.50 | 1 | -0.08 | 15 | -1.20 | |  Silva, Antonio Augusto Magalha | | | 2224 | POR | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Teixeira, Rafael Goltsman | | | 2141 | POR | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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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