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Individual Calculations September 2009 |
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| Costa, Joao Guerra Total change: -16.65 | |   |
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| Taca de Portugal 2008-09 | various | POR | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2216 | 2225 | 1.00 | 3 | -0.46 | 15 | -6.90 | |
|  Gabriel, Agna Solange Videira | | | 1875 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Silva, Fernando | m | | 2356 | POR | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Vassallo Barroche, Mauricio | m | | 2418 | ESP | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | 1ª Divisão por Equipas | VN Gaia | POR | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2463 | 2222 | 1.00 | 8 | -0.65 | 15 | -9.75 | |
|  Johannessen, Leif Erlend | g | | 2553 | NOR | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Spraggett, Kevin | g | | 2606 | CAN | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Cuenca Jimenez, Jose Fernando | m | | 2440 | ESP | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Picard, Romain | f | | 2401 | POR | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Komljenovic, Davorin | g | | 2431 | POR | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Pereira, Ruben | m | | 2430 | POR | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Teran Alvarez, Ismael | m | | 2434 | ESP | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Damaso, Rui | m | | 2408 | POR | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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) | | |
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