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Individual Calculations April 2008 |
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| Petrini, Roberto Total change: -25.05 | |   |
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| OP Vimercate | Vimercate | ITA | 2007-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 2083 | 1.00 | 3 | -0.83 | 15 | -12.45 | |
|  Cornaggia, Ranieri | | | 1746 | ITA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Marinescu, Marian | | | 2129 | ITA | 0.00 | 1 | -0.44 | 15 | -6.60 | |  Canova, Luca | | | 2079 | ITA | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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 | Milano | ITA | 2008-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 2101 | 3.00 | 6 | -0.84 | 15 | -12.60 | |
| | Melino, Gianluca | | | 1819 | ITA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | De La Pena, Elmer | | | 1948 | ITA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Grazzi, Roberto | | | 2027 | ITA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Bozzali, Ermanno | | | 2165 | ITA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Lanzani, Giuliano | | | 1985 | ITA | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Didoni, Renato | | | 2005 | ITA | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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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