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Individual Calculations September 2009 |
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| Boraso, Alessio Total change: -21.00 | |   |
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| Campionato Italiano under 14 | Courmayeur | ITA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1882 | 2.00 | 4 | -0.33 | 25 | -8.25 | |
|  Valbusa, Lorenzo | | | 1772 | ITA | 1.00 | 1 | 0.35 | 25 | 8.75 | |  Altini, Nicola | | | 2068 | ITA | 0.00 | 1 | -0.26 | 25 | -6.50 | | | D`urbino, Ilan | | | 1682 | ITA | 1.00 | 1 | 0.24 | 25 | 6.00 | | | Marconi, Luca | | | 1767 | ITA | 0.00 | 1 | -0.66 | 25 | -16.50 | |
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) | | | | FE 4. Memorial Aldo Perini | Senigallia | ITA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1863 | 2.50 | 7 | -0.51 | 25 | -12.75 | |
| | Mazzariol, Oscar | | | 2067 | ITA | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Marsili, Riccardo | | | 1873 | ITA | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Vinciguerra, Marco | | | 2037 | ITA | 0.50 | 1 | 0.23 | 25 | 5.75 | | | Silvestri, Giorgio | | | 1838 | ITA | 1.00 | 1 | 0.47 | 25 | 11.75 | | | Neri, Angelo | | | 1972 | ITA | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Bruno, Fabrizio P. | | | 1989 | ITA | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Tittarelli, Edith | | | 1620 | ITA | 0.50 | 1 | -0.30 | 25 | -7.50 | |
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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