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Individual Calculations July 2009 |
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| Garcia Lafuente, Roberto Total change: 17.75 | |   |
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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 |
| 2082 | 1994 | 3.00 | 6 | 0.71 | 25 | 17.75 | |
|  Etxeberria Iriondo, Ramon | | | 2043 | ESP | 0.00 | 1 | -0.43 | 25 | -10.75 | |  Iraola Iraola, Unai | | | 1971 | ESP | 0.50 | 1 | -0.03 | 25 | -0.75 | | | Tornay Gomez, Josu | | | 2099 | ESP | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Lakunza Plazaola, Asier | | | 2062 | ESP | 1.00 | 1 | 0.59 | 25 | 14.75 | | | Uriarte Prieto, Goyo | | | 2148 | ESP | 1.00 | 1 | 0.71 | 25 | 17.75 | | | Ferreiro Montoya, Jose Ignacio | | | 2171 | ESP | 0.50 | 1 | 0.23 | 25 | 5.75 | |
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) | | |
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