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Individual Calculations July 2009 |
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| Vittadini, Attilio Total change: 2.75 | |   |
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| OP Memorial Nìcola Palladino | Milano | ITA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1865 | 1.50 | 3 | -0.02 | 25 | -0.50 | |
|  Bove, Alessandro | | | 2215 | ITA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Magistroni, Imerio | | | 1649 | ITA | 0.50 | 1 | -0.28 | 25 | -7.00 | | | Attuati, Stefano | | | 1772 | ITA | 1.00 | 1 | 0.37 | 25 | 9.25 | |
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) | | | | OP Accademia serale | Milano | ITA | 2009-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1865 | 1.00 | 2 | 0.13 | 25 | 3.25 | |
| | Boschi, Massimiliano | | | 1836 | ITA | 0.00 | 1 | -0.54 | 25 | -13.50 | |  Didoni, Renato | | | 1991 | ITA | 1.00 | 1 | 0.67 | 25 | 16.75 | |
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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