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Individual Calculations July 2009 |
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| Roldan Riaga, Roberto Total change: -18.50 | |   |
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| Campeonato de Guipuzcoa por Equipos Preferente | Donostia San Sebastian | ESP | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 2095 | 2.50 | 6 | -0.74 | 25 | -18.50 | |
|  Urretavizcaya Merino, Asier | | | 2028 | ESP | 0.00 | 1 | -0.59 | 25 | -14.75 | | | Fuente San Sebastian, Ernesto | | | 1991 | ESP | 1.00 | 1 | 0.36 | 25 | 9.00 | | | Garro Beraza, Haritz | | | 2028 | ESP | 0.50 | 1 | -0.09 | 25 | -2.25 | | | Tejedor Txapartegui, Nabar | | | 2023 | ESP | 0.50 | 1 | -0.10 | 25 | -2.50 | | | Olaizola Ortega, Luis | | | 2189 | ESP | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Gastanares Lopez, Javier | | | 2130 | ESP | 0.50 | 1 | 0.05 | 25 | 1.25 | |
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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