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Individual Calculations September 2009 |
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| Formento, Paolo Total change: -11.10 | |   |
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| OP XIV Memorial Bertolini | Genova | ITA | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1802 | 2.00 | 4 | 0.61 | 15 | 9.15 | |
|  Stoppa, Omar | | | 2152 | ITA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Gandolfi, Gianfranco | | | 1854 | ITA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Diena, Giovanni | | | 1851 | ITA | 0.50 | 1 | 0.07 | 15 | 1.05 | |  Saffioti, Massimo | | | 1859 | ITA | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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) | | | | Campionato Italiano under 12 | Courmayeur | ITA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 1802 | 0.00 | 1 | -0.21 | 15 | -3.15 | |
| | Codenotti, Marco | | | 2035 | ITA | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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) | | | | OP 5. La Birreria Pedavena | Pedavena | ITA | 2009-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1801 | 1.50 | 7 | -1.14 | 15 | -17.10 | |
| | Tonel, Giulia | | | 2006 | ITA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | De Zordi, Fabio | | | 1900 | ITA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Caldara, Sisto | | | 1861 | ITA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Sorbera, Giovanni | | | 1917 | ITA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Ferretti, Alessandro | | | 1947 | ITA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Tamassia, Gabriele | | | 1794 | ITA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Zangrando, Giampietro | | | 1823 | ITA | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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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