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Individual Calculations January 2010 |
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| Erriu, Giampiero Total change: 4.00 | |   |
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| OP XII Coppa Sinnai | Sinnai | ITA | 2009-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1789 | 1757 | 2.00 | 4 | 0.16 | 25 | 4.00 | |
|  Dessy, Eugenio | | | 1665 | ITA | 1.00 | 1 | 0.37 | 25 | 9.25 | |  Lobina, Paolo | | | 1767 | ITA | 1.00 | 1 | 0.51 | 25 | 12.75 | | | Zuccarelli, Angelo | | | 1894 | ITA | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Boi, Fausto | | | 1830 | ITA | 0.00 | 1 | -0.40 | 25 | -10.00 | |
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) | | |
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