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Individual Calculations April 2009 |
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| Piergentili, Roberto Total change: -19.35 | |   |
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| OP Adriatico Mare di pace - C | Ancona | ITA | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1787 | 0.50 | 3 | -1.20 | 15 | -18.00 | |
|  Marconi, Gabriele | | | 1832 | ITA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Gulinelli, Euro | | | 1658 | ITA | 0.50 | 1 | -0.17 | 15 | -2.55 | |  Faini, Ivano | | | 1719 | ITA | 0.00 | 1 | -0.59 | 15 | -8.85 | |
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) | | | | CP Fermo | Fermo | ITA | 2009-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1787 | 1.50 | 4 | -0.09 | 15 | -1.35 | |
| | Pierantozzi, Stanislao | | | 1947 | ITA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Santarelli, Enrico | | | 1882 | ITA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Silvestri, Giorgio | | | 1832 | ITA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Balzano, Aldo | | | 1796 | ITA | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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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