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Individual Calculations July 2009 |
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| Arnetta, Marianna Total change: -11.70 | |   |
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| Italian Women Team Championship | Senigallia | ITA | 2009-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1952 | 2.00 | 4 | -0.74 | 15 | -11.10 | |
|  Polin, Giulia | | | 1704 | ITA | 0.00 | 1 | -0.81 | 15 | -12.15 | | | Palmitessa, Irene | | | 1702 | ITA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Brunello, Roberta | | | 1940 | ITA | 0.00 | 1 | -0.52 | 15 | -7.80 | |  Proietti, Tosca | | | 1878 | ITA | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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 13 Salsomaggiore | Salsomaggiore Terme | ITA | 2009-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 1952 | 1.50 | 5 | 0.21 | 15 | 3.15 | |
| | Barletta, Mauro | c | | 2224 | ITA | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Damia, Angelo | f | | 2235 | ITA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Frigieri, Fabrizio | | | 2105 | ITA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Marosi, Csaba | f | | 2167 | HUN | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Gianfelici, Edoardo | | | 1999 | ITA | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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) | | | | OP Giugno | Milano | ITA | 2009-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 1952 | 2.00 | 4 | -0.25 | 15 | -3.75 | |
| | Ragusa, Luigi | | | 1745 | ITA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Acunzo, Domenico | | | 1831 | ITA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Quaranta, Cristiano | | | 2157 | ITA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Papale, Carmelo | | | 1893 | ITA | 0.00 | 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) | | |
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