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Individual Calculations April 2013 |
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| Costi, Giorgio Total change: 9.15 | |   |
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| CIS 2013 - Girone C3 | Genova | ITA | 2013-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1944 | 3.00 | 4 | 0.61 | 15 | 9.15 | |
|  Cavatorta, Ivan | | | 1831 | ITA | 1.00 | 1 | 0.35 | 15 | 5.25 | |  Lettich, Sergio | | | 2023 | ITA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Ruggeri, Claudio | | | 1753 | ITA | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Ivaldo, Fabrizio | | | 1874 | 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) | | |
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