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Individual Calculations January 2009 |
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| Costi, Giorgio Total change: 4.25 | |   |
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| WE Valbisagno | Genova | ITA | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 1966 | 2.00 | 4 | 0.17 | 25 | 4.25 | |
|  Brun, Dario | | | 2269 | ITA | 0.00 | 1 | -0.14 | 25 | -3.50 | |  Biancotti, Alessandro | | | 1837 | ITA | 1.00 | 1 | 0.33 | 25 | 8.25 | | | Saffioti, Massimo | | | 1868 | ITA | 1.00 | 1 | 0.37 | 25 | 9.25 | | | Ricca, Giorgio | | | 2047 | ITA | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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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