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Individual Calculations April 2009 |
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| Grasso, Gaetano Total change: -17.10 | |   |
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| OP 4 Trofeo dell'Etna | Mascalucia | ITA | 2008-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1985 | 0.50 | 2 | -0.68 | 15 | -10.20 | |
|  Gresta, Stefano | | | 1886 | ITA | 0.50 | 1 | -0.14 | 15 | -2.10 | |  Marano, Salvatore | | | 1959 | ITA | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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 Catania | Catania | ITA | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 1981 | 2.00 | 4 | -0.21 | 15 | -3.15 | |
| | Meli, Massimo | | | 1895 | ITA | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Furnari, Francesco | | | 1799 | ITA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Gangemi, Salvatore | | | 2082 | ITA | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Rizza, Francesco | | | 1990 | 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) | | | | WE Amatori | Mascalucia | ITA | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 1981 | 2.00 | 5 | -0.25 | 15 | -3.75 | |
| | Ljubisavljevic, Zivojin Z | m | | 2266 | SRB | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Russo, Alfio | | | 1954 | ITA | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Leonardi, Alfio | | | 1862 | ITA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Filetti, Massimiliano | | | 1956 | ITA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Gangemi, Salvatore | | | 2082 | ITA | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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