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Individual Calculations December 2015 |
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| Ghelfi, Giancarlo Total change: -7.00 | |   |
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| OP Coppa d'oro 2015 | Villa Guardia | ITA | 2015-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1586 | 2.00 | 5 | -0.35 | 20 | -7.00 | |
|  Bernasconi, Roberto | | | 1872 | ITA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Aldeghi, Damiano | | | 1437 | ITA | 0.00 | 1 | -0.70 | 20 | -14.00 | |  Fantina, Carla | | | 1347 | ITA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Poletto, Daniele | | | 1741 | ITA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Lanza, Francesco Paolo | | | 1656 | ITA | 1.00 | 1 | 0.60 | 20 | 12.00 | |
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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