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Individual Calculations January 2009 |
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| Petrucci, Riccardo Total change: 29.00 | |   |
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| WE Palestrina - B | Palestrina | ITA | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1681 | 1745 | 3.50 | 4 | 1.16 | 25 | 29.00 | |
|  Fiore, Danilo | | | 1559 | ITA | 1.00 | 1 | 0.26 | 25 | 6.50 | |  Carnicelli, Valerio | | | 1705 | ITA | 1.00 | 1 | 0.44 | 25 | 11.00 | | | Mancino, Roberta | | | 1737 | ITA | 0.50 | 1 | -0.01 | 25 | -0.25 | | | Musmarra, Giovanni | | | 1724 | ITA | 1.00 | 1 | 0.47 | 25 | 11.75 | |
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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