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Individual Calculations December 2015 |
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| Sonis, Luca Total change: -19.60 | |   |
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| WE VI Coppa Citta' di Marrubiu | Marrubiu | ITA | 2015-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 1804 | 3.00 | 5 | -0.49 | 40 | -19.60 | |
|  Altea, Alessandro | | | 2018 | ITA | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Cuccu, Maria | | | 1562 | ITA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Erriu, Giampiero | | | 1640 | ITA | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Lai, Lorenzo | | | 1523 | ITA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Mura, Marta | | | 1434 | ITA | 1.00 | 1 | 0.10 | 40 | 4.00 | |
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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