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Individual Calculations September 2009 |
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| Di Trapani, Davide Total change: 34.05 | |   |
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| Campionato Italiano under 16 | Courmayeur | ITA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1883 | 1.50 | 3 | -0.55 | 15 | -8.25 | |
|  Mortola, Francesco | | | 1802 | ITA | 0.50 | 1 | -0.11 | 15 | -1.65 | |  Sorbera, Enrico | | | 1736 | ITA | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Casadei, Marco | | | 1701 | ITA | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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 |
| 2043 | 1883 | 5.50 | 9 | 2.82 | 15 | 42.30 | |
| | Bonazzi, Edoardo | | | 2183 | ITA | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Vinciguerra, Marco | | | 2037 | ITA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Grazzi, Roberto | | | 2026 | ITA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Dimitrijevic, Dragan | | | 2042 | ITA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Mazzariol, Oscar | | | 2067 | ITA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Burani, Eugenio | | | 1993 | ITA | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Bozzali, Ermanno | | | 2080 | ITA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Ferrante, Marco | | | 2128 | ITA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Proietti, Tosca | | | 1829 | ITA | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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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