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Individual Calculations July 2009 |
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| Messina, Damiano Total change: -12.50 | |   |
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| CR Sicilia | Erice | ITA | 2009-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2003 | 1.00 | 3 | -0.50 | 25 | -12.50 | |
|  Valguarnera, Girolamo | | | 2127 | ITA | 0.50 | 1 | 0.17 | 25 | 4.25 | | | Ferrante, Marco | | | 2113 | ITA | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Di Via, Saverio | | | 1740 | ITA | 0.50 | 1 | -0.32 | 25 | -8.00 | |
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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