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Individual Calculations January 2010 |
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| Petrucci, Riccardo Total change: 67.75 | |   |
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| FE Caissa - B | Vitinia | ITA | 2009-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1767 | 5.00 | 6 | 2.31 | 25 | 57.75 | |
|  Tomasi, Valentina | | | 1595 | ITA | 1.00 | 1 | 0.27 | 25 | 6.75 | |  Albertini, Luca | | | 1950 | ITA | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Cavaterra, Umberto | | | 1801 | ITA | 1.00 | 1 | 0.55 | 25 | 13.75 | | | Urzi, Silvio | | | 1808 | ITA | 1.00 | 1 | 0.56 | 25 | 14.00 | | | Elia, Alessio | | | 1850 | ITA | 1.00 | 1 | 0.61 | 25 | 15.25 | | | Pignatelli, Francesca | | | 1826 | ITA | 0.50 | 1 | 0.08 | 25 | 2.00 | |
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) | | | | WE 18. Palestrina | Palestrina | ITA | 2009-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1767 | 2.00 | 6 | 0.40 | 25 | 10.00 | |
| | Maggi, Fabrizio | | | 2126 | ITA | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Russi, Roberto | | | 1909 | ITA | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Proia, Gaetano | | | 1982 | ITA | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Rampini, Carlo | | | 1779 | ITA | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Albertini, Luca | | | 1977 | ITA | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Lelli, Adriano | | | 1957 | ITA | 0.00 | 1 | -0.25 | 25 | -6.25 | |
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) | | |
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