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Individual Calculations January 2010 |
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| Sorbera, Giovanni Total change: 6.60 | |   |
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| Italian Team Championship under 16 | Terrasini | ITA | 2009-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1951 | 1.00 | 5 | -1.31 | 15 | -19.65 | |
|  Palmitessa, Chiara | | | 1821 | ITA | 0.00 | 1 | -0.68 | 15 | -10.20 | |  Fiducioso, Marco | | | 2153 | ITA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Boraso, Alessio | | | 1842 | ITA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Di Misa, Salvatore | | | 1911 | ITA | 0.00 | 1 | -0.56 | 15 | -8.40 | | | De Filomeno, Simone | | | 2215 | ITA | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | OP 17. del Graticolato | Santa Maria di Sala | ITA | 2009-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 1968 | 2.50 | 5 | 0.59 | 15 | 8.85 | |
| | Omeri, Silvan | | | 2144 | ITA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Xia, Jie | | | 2208 | ITA | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Tomio, Dante | | | 2050 | ITA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Bozzao, Francesco | | | 1887 | ITA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Vianello, Marco | | | 2014 | ITA | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | | | OP Citta' di Treviso | Treviso | ITA | 2009-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 1968 | 2.00 | 3 | 1.16 | 15 | 17.40 | |
| | Xia, Jie | | | 2208 | ITA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Solinas, Carlo | | | 2045 | ITA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Paolinelli, Giacomo | | | 2164 | ITA | 1.00 | 1 | 0.75 | 15 | 11.25 | |
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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